3744 lines
132 KiB
C
3744 lines
132 KiB
C
/*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* simple media player based on the FFmpeg libraries
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*/
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#include "config.h"
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#include "config_components.h"
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#include <inttypes.h>
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#include <math.h>
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#include <limits.h>
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#include <signal.h>
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#include <stdint.h>
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#include "libavutil/avstring.h"
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#include "libavutil/channel_layout.h"
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#include "libavutil/eval.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/dict.h"
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#include "libavutil/fifo.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/samplefmt.h"
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#include "libavutil/time.h"
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#include "libavutil/bprint.h"
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#include "libavformat/avformat.h"
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#include "libavdevice/avdevice.h"
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#include "libswscale/swscale.h"
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#include "libavutil/opt.h"
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#include "libavcodec/avfft.h"
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#include "libswresample/swresample.h"
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#include "libavfilter/avfilter.h"
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#include "libavfilter/buffersink.h"
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#include "libavfilter/buffersrc.h"
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#include <SDL.h>
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#include <SDL_thread.h>
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#include "cmdutils.h"
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#include "opt_common.h"
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const char program_name[] = "ffplay";
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const int program_birth_year = 2003;
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#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
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#define MIN_FRAMES 25
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#define EXTERNAL_CLOCK_MIN_FRAMES 2
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#define EXTERNAL_CLOCK_MAX_FRAMES 10
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/* Minimum SDL audio buffer size, in samples. */
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#define SDL_AUDIO_MIN_BUFFER_SIZE 512
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/* Calculate actual buffer size keeping in mind not cause too frequent audio callbacks */
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#define SDL_AUDIO_MAX_CALLBACKS_PER_SEC 30
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/* Step size for volume control in dB */
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#define SDL_VOLUME_STEP (0.75)
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/* no AV sync correction is done if below the minimum AV sync threshold */
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#define AV_SYNC_THRESHOLD_MIN 0.04
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/* AV sync correction is done if above the maximum AV sync threshold */
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#define AV_SYNC_THRESHOLD_MAX 0.1
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/* If a frame duration is longer than this, it will not be duplicated to compensate AV sync */
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#define AV_SYNC_FRAMEDUP_THRESHOLD 0.1
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/* no AV correction is done if too big error */
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#define AV_NOSYNC_THRESHOLD 10.0
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/* maximum audio speed change to get correct sync */
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#define SAMPLE_CORRECTION_PERCENT_MAX 10
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/* external clock speed adjustment constants for realtime sources based on buffer fullness */
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#define EXTERNAL_CLOCK_SPEED_MIN 0.900
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#define EXTERNAL_CLOCK_SPEED_MAX 1.010
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#define EXTERNAL_CLOCK_SPEED_STEP 0.001
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/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
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#define AUDIO_DIFF_AVG_NB 20
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/* polls for possible required screen refresh at least this often, should be less than 1/fps */
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#define REFRESH_RATE 0.01
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/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
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/* TODO: We assume that a decoded and resampled frame fits into this buffer */
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#define SAMPLE_ARRAY_SIZE (8 * 65536)
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#define CURSOR_HIDE_DELAY 1000000
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#define USE_ONEPASS_SUBTITLE_RENDER 1
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typedef struct MyAVPacketList {
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AVPacket *pkt;
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int serial;
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} MyAVPacketList;
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typedef struct PacketQueue {
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AVFifo *pkt_list;
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int nb_packets;
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int size;
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int64_t duration;
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int abort_request;
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int serial;
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SDL_mutex *mutex;
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SDL_cond *cond;
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} PacketQueue;
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#define VIDEO_PICTURE_QUEUE_SIZE 3
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#define SUBPICTURE_QUEUE_SIZE 16
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#define SAMPLE_QUEUE_SIZE 9
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#define FRAME_QUEUE_SIZE FFMAX(SAMPLE_QUEUE_SIZE, FFMAX(VIDEO_PICTURE_QUEUE_SIZE, SUBPICTURE_QUEUE_SIZE))
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typedef struct AudioParams {
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int freq;
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AVChannelLayout ch_layout;
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enum AVSampleFormat fmt;
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int frame_size;
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int bytes_per_sec;
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} AudioParams;
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typedef struct Clock {
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double pts; /* clock base */
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double pts_drift; /* clock base minus time at which we updated the clock */
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double last_updated;
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double speed;
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int serial; /* clock is based on a packet with this serial */
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int paused;
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int *queue_serial; /* pointer to the current packet queue serial, used for obsolete clock detection */
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} Clock;
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typedef struct FrameData {
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int64_t pkt_pos;
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} FrameData;
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/* Common struct for handling all types of decoded data and allocated render buffers. */
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typedef struct Frame {
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AVFrame *frame;
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AVSubtitle sub;
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int serial;
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double pts; /* presentation timestamp for the frame */
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double duration; /* estimated duration of the frame */
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int64_t pos; /* byte position of the frame in the input file */
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int width;
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int height;
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int format;
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AVRational sar;
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int uploaded;
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int flip_v;
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} Frame;
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typedef struct FrameQueue {
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Frame queue[FRAME_QUEUE_SIZE];
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int rindex;
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int windex;
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int size;
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int max_size;
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int keep_last;
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int rindex_shown;
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SDL_mutex *mutex;
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SDL_cond *cond;
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PacketQueue *pktq;
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} FrameQueue;
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enum {
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AV_SYNC_AUDIO_MASTER, /* default choice */
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AV_SYNC_VIDEO_MASTER,
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AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
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};
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typedef struct Decoder {
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AVPacket *pkt;
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PacketQueue *queue;
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AVCodecContext *avctx;
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int pkt_serial;
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int finished;
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int packet_pending;
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SDL_cond *empty_queue_cond;
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int64_t start_pts;
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AVRational start_pts_tb;
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int64_t next_pts;
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AVRational next_pts_tb;
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SDL_Thread *decoder_tid;
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} Decoder;
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typedef struct VideoState {
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SDL_Thread *read_tid;
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const AVInputFormat *iformat;
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int abort_request;
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int force_refresh;
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int paused;
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int last_paused;
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int queue_attachments_req;
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int seek_req;
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int seek_flags;
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int64_t seek_pos;
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int64_t seek_rel;
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int read_pause_return;
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AVFormatContext *ic;
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int realtime;
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Clock audclk;
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Clock vidclk;
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Clock extclk;
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FrameQueue pictq;
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FrameQueue subpq;
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FrameQueue sampq;
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Decoder auddec;
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Decoder viddec;
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Decoder subdec;
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int audio_stream;
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int av_sync_type;
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double audio_clock;
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int audio_clock_serial;
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double audio_diff_cum; /* used for AV difference average computation */
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double audio_diff_avg_coef;
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double audio_diff_threshold;
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int audio_diff_avg_count;
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AVStream *audio_st;
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PacketQueue audioq;
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int audio_hw_buf_size;
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uint8_t *audio_buf;
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uint8_t *audio_buf1;
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unsigned int audio_buf_size; /* in bytes */
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unsigned int audio_buf1_size;
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int audio_buf_index; /* in bytes */
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int audio_write_buf_size;
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int audio_volume;
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int muted;
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struct AudioParams audio_src;
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struct AudioParams audio_filter_src;
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struct AudioParams audio_tgt;
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struct SwrContext *swr_ctx;
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int frame_drops_early;
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int frame_drops_late;
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enum ShowMode {
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SHOW_MODE_NONE = -1, SHOW_MODE_VIDEO = 0, SHOW_MODE_WAVES, SHOW_MODE_RDFT, SHOW_MODE_NB
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} show_mode;
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int16_t sample_array[SAMPLE_ARRAY_SIZE];
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int sample_array_index;
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int last_i_start;
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RDFTContext *rdft;
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int rdft_bits;
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FFTSample *rdft_data;
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int xpos;
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double last_vis_time;
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SDL_Texture *vis_texture;
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SDL_Texture *sub_texture;
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SDL_Texture *vid_texture;
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int subtitle_stream;
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AVStream *subtitle_st;
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PacketQueue subtitleq;
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double frame_timer;
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double frame_last_returned_time;
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double frame_last_filter_delay;
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int video_stream;
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AVStream *video_st;
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PacketQueue videoq;
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double max_frame_duration; // maximum duration of a frame - above this, we consider the jump a timestamp discontinuity
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struct SwsContext *sub_convert_ctx;
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int eof;
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char *filename;
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int width, height, xleft, ytop;
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int step;
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int vfilter_idx;
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AVFilterContext *in_video_filter; // the first filter in the video chain
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AVFilterContext *out_video_filter; // the last filter in the video chain
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AVFilterContext *in_audio_filter; // the first filter in the audio chain
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AVFilterContext *out_audio_filter; // the last filter in the audio chain
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AVFilterGraph *agraph; // audio filter graph
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int last_video_stream, last_audio_stream, last_subtitle_stream;
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SDL_cond *continue_read_thread;
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} VideoState;
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/* options specified by the user */
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static const AVInputFormat *file_iformat;
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static const char *input_filename;
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static const char *window_title;
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static int default_width = 640;
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static int default_height = 480;
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static int screen_width = 0;
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static int screen_height = 0;
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static int screen_left = SDL_WINDOWPOS_CENTERED;
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static int screen_top = SDL_WINDOWPOS_CENTERED;
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static int audio_disable;
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static int video_disable;
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static int subtitle_disable;
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static const char* wanted_stream_spec[AVMEDIA_TYPE_NB] = {0};
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static int seek_by_bytes = -1;
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static float seek_interval = 10;
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static int display_disable;
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static int borderless;
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static int alwaysontop;
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static int startup_volume = 100;
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static int show_status = -1;
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static int av_sync_type = AV_SYNC_AUDIO_MASTER;
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static int64_t start_time = AV_NOPTS_VALUE;
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static int64_t duration = AV_NOPTS_VALUE;
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static int fast = 0;
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static int genpts = 0;
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static int lowres = 0;
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static int decoder_reorder_pts = -1;
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static int autoexit;
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static int exit_on_keydown;
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static int exit_on_mousedown;
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static int loop = 1;
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static int framedrop = -1;
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static int infinite_buffer = -1;
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static enum ShowMode show_mode = SHOW_MODE_NONE;
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static const char *audio_codec_name;
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static const char *subtitle_codec_name;
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static const char *video_codec_name;
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double rdftspeed = 0.02;
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static int64_t cursor_last_shown;
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static int cursor_hidden = 0;
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static const char **vfilters_list = NULL;
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static int nb_vfilters = 0;
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static char *afilters = NULL;
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static int autorotate = 1;
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static int find_stream_info = 1;
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static int filter_nbthreads = 0;
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/* current context */
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static int is_full_screen;
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static int64_t audio_callback_time;
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#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
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static SDL_Window *window;
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static SDL_Renderer *renderer;
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static SDL_RendererInfo renderer_info = {0};
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static SDL_AudioDeviceID audio_dev;
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static const struct TextureFormatEntry {
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enum AVPixelFormat format;
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int texture_fmt;
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} sdl_texture_format_map[] = {
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{ AV_PIX_FMT_RGB8, SDL_PIXELFORMAT_RGB332 },
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{ AV_PIX_FMT_RGB444, SDL_PIXELFORMAT_RGB444 },
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{ AV_PIX_FMT_RGB555, SDL_PIXELFORMAT_RGB555 },
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{ AV_PIX_FMT_BGR555, SDL_PIXELFORMAT_BGR555 },
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{ AV_PIX_FMT_RGB565, SDL_PIXELFORMAT_RGB565 },
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{ AV_PIX_FMT_BGR565, SDL_PIXELFORMAT_BGR565 },
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{ AV_PIX_FMT_RGB24, SDL_PIXELFORMAT_RGB24 },
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{ AV_PIX_FMT_BGR24, SDL_PIXELFORMAT_BGR24 },
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{ AV_PIX_FMT_0RGB32, SDL_PIXELFORMAT_RGB888 },
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{ AV_PIX_FMT_0BGR32, SDL_PIXELFORMAT_BGR888 },
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{ AV_PIX_FMT_NE(RGB0, 0BGR), SDL_PIXELFORMAT_RGBX8888 },
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{ AV_PIX_FMT_NE(BGR0, 0RGB), SDL_PIXELFORMAT_BGRX8888 },
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{ AV_PIX_FMT_RGB32, SDL_PIXELFORMAT_ARGB8888 },
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{ AV_PIX_FMT_RGB32_1, SDL_PIXELFORMAT_RGBA8888 },
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{ AV_PIX_FMT_BGR32, SDL_PIXELFORMAT_ABGR8888 },
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{ AV_PIX_FMT_BGR32_1, SDL_PIXELFORMAT_BGRA8888 },
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{ AV_PIX_FMT_YUV420P, SDL_PIXELFORMAT_IYUV },
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{ AV_PIX_FMT_YUYV422, SDL_PIXELFORMAT_YUY2 },
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{ AV_PIX_FMT_UYVY422, SDL_PIXELFORMAT_UYVY },
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{ AV_PIX_FMT_NONE, SDL_PIXELFORMAT_UNKNOWN },
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};
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static int opt_add_vfilter(void *optctx, const char *opt, const char *arg)
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{
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int ret = GROW_ARRAY(vfilters_list, nb_vfilters);
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if (ret < 0)
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return ret;
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vfilters_list[nb_vfilters - 1] = arg;
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return 0;
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}
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static inline
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int cmp_audio_fmts(enum AVSampleFormat fmt1, int64_t channel_count1,
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enum AVSampleFormat fmt2, int64_t channel_count2)
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{
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/* If channel count == 1, planar and non-planar formats are the same */
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if (channel_count1 == 1 && channel_count2 == 1)
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return av_get_packed_sample_fmt(fmt1) != av_get_packed_sample_fmt(fmt2);
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else
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return channel_count1 != channel_count2 || fmt1 != fmt2;
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}
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static int packet_queue_put_private(PacketQueue *q, AVPacket *pkt)
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{
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MyAVPacketList pkt1;
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int ret;
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if (q->abort_request)
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return -1;
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pkt1.pkt = pkt;
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pkt1.serial = q->serial;
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ret = av_fifo_write(q->pkt_list, &pkt1, 1);
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if (ret < 0)
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return ret;
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q->nb_packets++;
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q->size += pkt1.pkt->size + sizeof(pkt1);
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q->duration += pkt1.pkt->duration;
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/* XXX: should duplicate packet data in DV case */
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SDL_CondSignal(q->cond);
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return 0;
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}
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static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
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{
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AVPacket *pkt1;
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int ret;
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pkt1 = av_packet_alloc();
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if (!pkt1) {
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av_packet_unref(pkt);
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return -1;
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}
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av_packet_move_ref(pkt1, pkt);
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SDL_LockMutex(q->mutex);
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ret = packet_queue_put_private(q, pkt1);
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SDL_UnlockMutex(q->mutex);
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if (ret < 0)
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av_packet_free(&pkt1);
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return ret;
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}
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static int packet_queue_put_nullpacket(PacketQueue *q, AVPacket *pkt, int stream_index)
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{
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pkt->stream_index = stream_index;
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return packet_queue_put(q, pkt);
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}
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/* packet queue handling */
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static int packet_queue_init(PacketQueue *q)
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{
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memset(q, 0, sizeof(PacketQueue));
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q->pkt_list = av_fifo_alloc2(1, sizeof(MyAVPacketList), AV_FIFO_FLAG_AUTO_GROW);
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if (!q->pkt_list)
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return AVERROR(ENOMEM);
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q->mutex = SDL_CreateMutex();
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if (!q->mutex) {
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av_log(NULL, AV_LOG_FATAL, "SDL_CreateMutex(): %s\n", SDL_GetError());
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return AVERROR(ENOMEM);
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}
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q->cond = SDL_CreateCond();
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if (!q->cond) {
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av_log(NULL, AV_LOG_FATAL, "SDL_CreateCond(): %s\n", SDL_GetError());
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return AVERROR(ENOMEM);
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}
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q->abort_request = 1;
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return 0;
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}
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static void packet_queue_flush(PacketQueue *q)
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{
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MyAVPacketList pkt1;
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SDL_LockMutex(q->mutex);
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while (av_fifo_read(q->pkt_list, &pkt1, 1) >= 0)
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av_packet_free(&pkt1.pkt);
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q->nb_packets = 0;
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q->size = 0;
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q->duration = 0;
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q->serial++;
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SDL_UnlockMutex(q->mutex);
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}
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static void packet_queue_destroy(PacketQueue *q)
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{
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packet_queue_flush(q);
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|
av_fifo_freep2(&q->pkt_list);
|
|
SDL_DestroyMutex(q->mutex);
|
|
SDL_DestroyCond(q->cond);
|
|
}
|
|
|
|
static void packet_queue_abort(PacketQueue *q)
|
|
{
|
|
SDL_LockMutex(q->mutex);
|
|
|
|
q->abort_request = 1;
|
|
|
|
SDL_CondSignal(q->cond);
|
|
|
|
SDL_UnlockMutex(q->mutex);
|
|
}
|
|
|
|
static void packet_queue_start(PacketQueue *q)
|
|
{
|
|
SDL_LockMutex(q->mutex);
|
|
q->abort_request = 0;
|
|
q->serial++;
|
|
SDL_UnlockMutex(q->mutex);
|
|
}
|
|
|
|
/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
|
|
static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block, int *serial)
|
|
{
|
|
MyAVPacketList pkt1;
|
|
int ret;
|
|
|
|
SDL_LockMutex(q->mutex);
|
|
|
|
for (;;) {
|
|
if (q->abort_request) {
|
|
ret = -1;
|
|
break;
|
|
}
|
|
|
|
if (av_fifo_read(q->pkt_list, &pkt1, 1) >= 0) {
|
|
q->nb_packets--;
|
|
q->size -= pkt1.pkt->size + sizeof(pkt1);
|
|
q->duration -= pkt1.pkt->duration;
|
|
av_packet_move_ref(pkt, pkt1.pkt);
|
|
if (serial)
|
|
*serial = pkt1.serial;
|
|
av_packet_free(&pkt1.pkt);
|
|
ret = 1;
|
|
break;
|
|
} else if (!block) {
|
|
ret = 0;
|
|
break;
|
|
} else {
|
|
SDL_CondWait(q->cond, q->mutex);
|
|
}
|
|
}
|
|
SDL_UnlockMutex(q->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static int decoder_init(Decoder *d, AVCodecContext *avctx, PacketQueue *queue, SDL_cond *empty_queue_cond) {
|
|
memset(d, 0, sizeof(Decoder));
|
|
d->pkt = av_packet_alloc();
|
|
if (!d->pkt)
|
|
return AVERROR(ENOMEM);
|
|
d->avctx = avctx;
|
|
d->queue = queue;
|
|
d->empty_queue_cond = empty_queue_cond;
|
|
d->start_pts = AV_NOPTS_VALUE;
|
|
d->pkt_serial = -1;
|
|
return 0;
|
|
}
|
|
|
|
static int decoder_decode_frame(Decoder *d, AVFrame *frame, AVSubtitle *sub) {
|
|
int ret = AVERROR(EAGAIN);
|
|
|
|
for (;;) {
|
|
if (d->queue->serial == d->pkt_serial) {
|
|
do {
|
|
if (d->queue->abort_request)
|
|
return -1;
|
|
|
|
switch (d->avctx->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
ret = avcodec_receive_frame(d->avctx, frame);
|
|
if (ret >= 0) {
|
|
if (decoder_reorder_pts == -1) {
|
|
frame->pts = frame->best_effort_timestamp;
|
|
} else if (!decoder_reorder_pts) {
|
|
frame->pts = frame->pkt_dts;
|
|
}
|
|
}
|
|
break;
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
ret = avcodec_receive_frame(d->avctx, frame);
|
|
if (ret >= 0) {
|
|
AVRational tb = (AVRational){1, frame->sample_rate};
|
|
if (frame->pts != AV_NOPTS_VALUE)
|
|
frame->pts = av_rescale_q(frame->pts, d->avctx->pkt_timebase, tb);
|
|
else if (d->next_pts != AV_NOPTS_VALUE)
|
|
frame->pts = av_rescale_q(d->next_pts, d->next_pts_tb, tb);
|
|
if (frame->pts != AV_NOPTS_VALUE) {
|
|
d->next_pts = frame->pts + frame->nb_samples;
|
|
d->next_pts_tb = tb;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
if (ret == AVERROR_EOF) {
|
|
d->finished = d->pkt_serial;
|
|
avcodec_flush_buffers(d->avctx);
|
|
return 0;
|
|
}
|
|
if (ret >= 0)
|
|
return 1;
|
|
} while (ret != AVERROR(EAGAIN));
|
|
}
|
|
|
|
do {
|
|
if (d->queue->nb_packets == 0)
|
|
SDL_CondSignal(d->empty_queue_cond);
|
|
if (d->packet_pending) {
|
|
d->packet_pending = 0;
|
|
} else {
|
|
int old_serial = d->pkt_serial;
|
|
if (packet_queue_get(d->queue, d->pkt, 1, &d->pkt_serial) < 0)
|
|
return -1;
|
|
if (old_serial != d->pkt_serial) {
|
|
avcodec_flush_buffers(d->avctx);
|
|
d->finished = 0;
|
|
d->next_pts = d->start_pts;
|
|
d->next_pts_tb = d->start_pts_tb;
|
|
}
|
|
}
|
|
if (d->queue->serial == d->pkt_serial)
|
|
break;
|
|
av_packet_unref(d->pkt);
|
|
} while (1);
|
|
|
|
if (d->avctx->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
int got_frame = 0;
|
|
ret = avcodec_decode_subtitle2(d->avctx, sub, &got_frame, d->pkt);
|
|
if (ret < 0) {
|
|
ret = AVERROR(EAGAIN);
|
|
} else {
|
|
if (got_frame && !d->pkt->data) {
|
|
d->packet_pending = 1;
|
|
}
|
|
ret = got_frame ? 0 : (d->pkt->data ? AVERROR(EAGAIN) : AVERROR_EOF);
|
|
}
|
|
av_packet_unref(d->pkt);
|
|
} else {
|
|
if (d->pkt->buf && !d->pkt->opaque_ref) {
|
|
FrameData *fd;
|
|
|
|
d->pkt->opaque_ref = av_buffer_allocz(sizeof(*fd));
|
|
if (!d->pkt->opaque_ref)
|
|
return AVERROR(ENOMEM);
|
|
fd = (FrameData*)d->pkt->opaque_ref->data;
|
|
fd->pkt_pos = d->pkt->pos;
|
|
}
|
|
|
|
if (avcodec_send_packet(d->avctx, d->pkt) == AVERROR(EAGAIN)) {
|
|
av_log(d->avctx, AV_LOG_ERROR, "Receive_frame and send_packet both returned EAGAIN, which is an API violation.\n");
|
|
d->packet_pending = 1;
|
|
} else {
|
|
av_packet_unref(d->pkt);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void decoder_destroy(Decoder *d) {
|
|
av_packet_free(&d->pkt);
|
|
avcodec_free_context(&d->avctx);
|
|
}
|
|
|
|
static void frame_queue_unref_item(Frame *vp)
|
|
{
|
|
av_frame_unref(vp->frame);
|
|
avsubtitle_free(&vp->sub);
|
|
}
|
|
|
|
static int frame_queue_init(FrameQueue *f, PacketQueue *pktq, int max_size, int keep_last)
|
|
{
|
|
int i;
|
|
memset(f, 0, sizeof(FrameQueue));
|
|
if (!(f->mutex = SDL_CreateMutex())) {
|
|
av_log(NULL, AV_LOG_FATAL, "SDL_CreateMutex(): %s\n", SDL_GetError());
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
if (!(f->cond = SDL_CreateCond())) {
|
|
av_log(NULL, AV_LOG_FATAL, "SDL_CreateCond(): %s\n", SDL_GetError());
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
f->pktq = pktq;
|
|
f->max_size = FFMIN(max_size, FRAME_QUEUE_SIZE);
|
|
f->keep_last = !!keep_last;
|
|
for (i = 0; i < f->max_size; i++)
|
|
if (!(f->queue[i].frame = av_frame_alloc()))
|
|
return AVERROR(ENOMEM);
|
|
return 0;
|
|
}
|
|
|
|
static void frame_queue_destroy(FrameQueue *f)
|
|
{
|
|
int i;
|
|
for (i = 0; i < f->max_size; i++) {
|
|
Frame *vp = &f->queue[i];
|
|
frame_queue_unref_item(vp);
|
|
av_frame_free(&vp->frame);
|
|
}
|
|
SDL_DestroyMutex(f->mutex);
|
|
SDL_DestroyCond(f->cond);
|
|
}
|
|
|
|
static void frame_queue_signal(FrameQueue *f)
|
|
{
|
|
SDL_LockMutex(f->mutex);
|
|
SDL_CondSignal(f->cond);
|
|
SDL_UnlockMutex(f->mutex);
|
|
}
|
|
|
|
static Frame *frame_queue_peek(FrameQueue *f)
|
|
{
|
|
return &f->queue[(f->rindex + f->rindex_shown) % f->max_size];
|
|
}
|
|
|
|
static Frame *frame_queue_peek_next(FrameQueue *f)
|
|
{
|
|
return &f->queue[(f->rindex + f->rindex_shown + 1) % f->max_size];
|
|
}
|
|
|
|
static Frame *frame_queue_peek_last(FrameQueue *f)
|
|
{
|
|
return &f->queue[f->rindex];
|
|
}
|
|
|
|
static Frame *frame_queue_peek_writable(FrameQueue *f)
|
|
{
|
|
/* wait until we have space to put a new frame */
|
|
SDL_LockMutex(f->mutex);
|
|
while (f->size >= f->max_size &&
|
|
!f->pktq->abort_request) {
|
|
SDL_CondWait(f->cond, f->mutex);
|
|
}
|
|
SDL_UnlockMutex(f->mutex);
|
|
|
|
if (f->pktq->abort_request)
|
|
return NULL;
|
|
|
|
return &f->queue[f->windex];
|
|
}
|
|
|
|
static Frame *frame_queue_peek_readable(FrameQueue *f)
|
|
{
|
|
/* wait until we have a readable a new frame */
|
|
SDL_LockMutex(f->mutex);
|
|
while (f->size - f->rindex_shown <= 0 &&
|
|
!f->pktq->abort_request) {
|
|
SDL_CondWait(f->cond, f->mutex);
|
|
}
|
|
SDL_UnlockMutex(f->mutex);
|
|
|
|
if (f->pktq->abort_request)
|
|
return NULL;
|
|
|
|
return &f->queue[(f->rindex + f->rindex_shown) % f->max_size];
|
|
}
|
|
|
|
static void frame_queue_push(FrameQueue *f)
|
|
{
|
|
if (++f->windex == f->max_size)
|
|
f->windex = 0;
|
|
SDL_LockMutex(f->mutex);
|
|
f->size++;
|
|
SDL_CondSignal(f->cond);
|
|
SDL_UnlockMutex(f->mutex);
|
|
}
|
|
|
|
static void frame_queue_next(FrameQueue *f)
|
|
{
|
|
if (f->keep_last && !f->rindex_shown) {
|
|
f->rindex_shown = 1;
|
|
return;
|
|
}
|
|
frame_queue_unref_item(&f->queue[f->rindex]);
|
|
if (++f->rindex == f->max_size)
|
|
f->rindex = 0;
|
|
SDL_LockMutex(f->mutex);
|
|
f->size--;
|
|
SDL_CondSignal(f->cond);
|
|
SDL_UnlockMutex(f->mutex);
|
|
}
|
|
|
|
/* return the number of undisplayed frames in the queue */
|
|
static int frame_queue_nb_remaining(FrameQueue *f)
|
|
{
|
|
return f->size - f->rindex_shown;
|
|
}
|
|
|
|
/* return last shown position */
|
|
static int64_t frame_queue_last_pos(FrameQueue *f)
|
|
{
|
|
Frame *fp = &f->queue[f->rindex];
|
|
if (f->rindex_shown && fp->serial == f->pktq->serial)
|
|
return fp->pos;
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
static void decoder_abort(Decoder *d, FrameQueue *fq)
|
|
{
|
|
packet_queue_abort(d->queue);
|
|
frame_queue_signal(fq);
|
|
SDL_WaitThread(d->decoder_tid, NULL);
|
|
d->decoder_tid = NULL;
|
|
packet_queue_flush(d->queue);
|
|
}
|
|
|
|
static inline void fill_rectangle(int x, int y, int w, int h)
|
|
{
|
|
SDL_Rect rect;
|
|
rect.x = x;
|
|
rect.y = y;
|
|
rect.w = w;
|
|
rect.h = h;
|
|
if (w && h)
|
|
SDL_RenderFillRect(renderer, &rect);
|
|
}
|
|
|
|
static int realloc_texture(SDL_Texture **texture, Uint32 new_format, int new_width, int new_height, SDL_BlendMode blendmode, int init_texture)
|
|
{
|
|
Uint32 format;
|
|
int access, w, h;
|
|
if (!*texture || SDL_QueryTexture(*texture, &format, &access, &w, &h) < 0 || new_width != w || new_height != h || new_format != format) {
|
|
void *pixels;
|
|
int pitch;
|
|
if (*texture)
|
|
SDL_DestroyTexture(*texture);
|
|
if (!(*texture = SDL_CreateTexture(renderer, new_format, SDL_TEXTUREACCESS_STREAMING, new_width, new_height)))
|
|
return -1;
|
|
if (SDL_SetTextureBlendMode(*texture, blendmode) < 0)
|
|
return -1;
|
|
if (init_texture) {
|
|
if (SDL_LockTexture(*texture, NULL, &pixels, &pitch) < 0)
|
|
return -1;
|
|
memset(pixels, 0, pitch * new_height);
|
|
SDL_UnlockTexture(*texture);
|
|
}
|
|
av_log(NULL, AV_LOG_VERBOSE, "Created %dx%d texture with %s.\n", new_width, new_height, SDL_GetPixelFormatName(new_format));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void calculate_display_rect(SDL_Rect *rect,
|
|
int scr_xleft, int scr_ytop, int scr_width, int scr_height,
|
|
int pic_width, int pic_height, AVRational pic_sar)
|
|
{
|
|
AVRational aspect_ratio = pic_sar;
|
|
int64_t width, height, x, y;
|
|
|
|
if (av_cmp_q(aspect_ratio, av_make_q(0, 1)) <= 0)
|
|
aspect_ratio = av_make_q(1, 1);
|
|
|
|
aspect_ratio = av_mul_q(aspect_ratio, av_make_q(pic_width, pic_height));
|
|
|
|
/* XXX: we suppose the screen has a 1.0 pixel ratio */
|
|
height = scr_height;
|
|
width = av_rescale(height, aspect_ratio.num, aspect_ratio.den) & ~1;
|
|
if (width > scr_width) {
|
|
width = scr_width;
|
|
height = av_rescale(width, aspect_ratio.den, aspect_ratio.num) & ~1;
|
|
}
|
|
x = (scr_width - width) / 2;
|
|
y = (scr_height - height) / 2;
|
|
rect->x = scr_xleft + x;
|
|
rect->y = scr_ytop + y;
|
|
rect->w = FFMAX((int)width, 1);
|
|
rect->h = FFMAX((int)height, 1);
|
|
}
|
|
|
|
static void get_sdl_pix_fmt_and_blendmode(int format, Uint32 *sdl_pix_fmt, SDL_BlendMode *sdl_blendmode)
|
|
{
|
|
int i;
|
|
*sdl_blendmode = SDL_BLENDMODE_NONE;
|
|
*sdl_pix_fmt = SDL_PIXELFORMAT_UNKNOWN;
|
|
if (format == AV_PIX_FMT_RGB32 ||
|
|
format == AV_PIX_FMT_RGB32_1 ||
|
|
format == AV_PIX_FMT_BGR32 ||
|
|
format == AV_PIX_FMT_BGR32_1)
|
|
*sdl_blendmode = SDL_BLENDMODE_BLEND;
|
|
for (i = 0; i < FF_ARRAY_ELEMS(sdl_texture_format_map) - 1; i++) {
|
|
if (format == sdl_texture_format_map[i].format) {
|
|
*sdl_pix_fmt = sdl_texture_format_map[i].texture_fmt;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int upload_texture(SDL_Texture **tex, AVFrame *frame)
|
|
{
|
|
int ret = 0;
|
|
Uint32 sdl_pix_fmt;
|
|
SDL_BlendMode sdl_blendmode;
|
|
get_sdl_pix_fmt_and_blendmode(frame->format, &sdl_pix_fmt, &sdl_blendmode);
|
|
if (realloc_texture(tex, sdl_pix_fmt == SDL_PIXELFORMAT_UNKNOWN ? SDL_PIXELFORMAT_ARGB8888 : sdl_pix_fmt, frame->width, frame->height, sdl_blendmode, 0) < 0)
|
|
return -1;
|
|
switch (sdl_pix_fmt) {
|
|
case SDL_PIXELFORMAT_IYUV:
|
|
if (frame->linesize[0] > 0 && frame->linesize[1] > 0 && frame->linesize[2] > 0) {
|
|
ret = SDL_UpdateYUVTexture(*tex, NULL, frame->data[0], frame->linesize[0],
|
|
frame->data[1], frame->linesize[1],
|
|
frame->data[2], frame->linesize[2]);
|
|
} else if (frame->linesize[0] < 0 && frame->linesize[1] < 0 && frame->linesize[2] < 0) {
|
|
ret = SDL_UpdateYUVTexture(*tex, NULL, frame->data[0] + frame->linesize[0] * (frame->height - 1), -frame->linesize[0],
|
|
frame->data[1] + frame->linesize[1] * (AV_CEIL_RSHIFT(frame->height, 1) - 1), -frame->linesize[1],
|
|
frame->data[2] + frame->linesize[2] * (AV_CEIL_RSHIFT(frame->height, 1) - 1), -frame->linesize[2]);
|
|
} else {
|
|
av_log(NULL, AV_LOG_ERROR, "Mixed negative and positive linesizes are not supported.\n");
|
|
return -1;
|
|
}
|
|
break;
|
|
default:
|
|
if (frame->linesize[0] < 0) {
|
|
ret = SDL_UpdateTexture(*tex, NULL, frame->data[0] + frame->linesize[0] * (frame->height - 1), -frame->linesize[0]);
|
|
} else {
|
|
ret = SDL_UpdateTexture(*tex, NULL, frame->data[0], frame->linesize[0]);
|
|
}
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void set_sdl_yuv_conversion_mode(AVFrame *frame)
|
|
{
|
|
#if SDL_VERSION_ATLEAST(2,0,8)
|
|
SDL_YUV_CONVERSION_MODE mode = SDL_YUV_CONVERSION_AUTOMATIC;
|
|
if (frame && (frame->format == AV_PIX_FMT_YUV420P || frame->format == AV_PIX_FMT_YUYV422 || frame->format == AV_PIX_FMT_UYVY422)) {
|
|
if (frame->color_range == AVCOL_RANGE_JPEG)
|
|
mode = SDL_YUV_CONVERSION_JPEG;
|
|
else if (frame->colorspace == AVCOL_SPC_BT709)
|
|
mode = SDL_YUV_CONVERSION_BT709;
|
|
else if (frame->colorspace == AVCOL_SPC_BT470BG || frame->colorspace == AVCOL_SPC_SMPTE170M)
|
|
mode = SDL_YUV_CONVERSION_BT601;
|
|
}
|
|
SDL_SetYUVConversionMode(mode); /* FIXME: no support for linear transfer */
|
|
#endif
|
|
}
|
|
|
|
static void video_image_display(VideoState *is)
|
|
{
|
|
Frame *vp;
|
|
Frame *sp = NULL;
|
|
SDL_Rect rect;
|
|
|
|
vp = frame_queue_peek_last(&is->pictq);
|
|
if (is->subtitle_st) {
|
|
if (frame_queue_nb_remaining(&is->subpq) > 0) {
|
|
sp = frame_queue_peek(&is->subpq);
|
|
|
|
if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000)) {
|
|
if (!sp->uploaded) {
|
|
uint8_t* pixels[4];
|
|
int pitch[4];
|
|
int i;
|
|
if (!sp->width || !sp->height) {
|
|
sp->width = vp->width;
|
|
sp->height = vp->height;
|
|
}
|
|
if (realloc_texture(&is->sub_texture, SDL_PIXELFORMAT_ARGB8888, sp->width, sp->height, SDL_BLENDMODE_BLEND, 1) < 0)
|
|
return;
|
|
|
|
for (i = 0; i < sp->sub.num_rects; i++) {
|
|
AVSubtitleRect *sub_rect = sp->sub.rects[i];
|
|
|
|
sub_rect->x = av_clip(sub_rect->x, 0, sp->width );
|
|
sub_rect->y = av_clip(sub_rect->y, 0, sp->height);
|
|
sub_rect->w = av_clip(sub_rect->w, 0, sp->width - sub_rect->x);
|
|
sub_rect->h = av_clip(sub_rect->h, 0, sp->height - sub_rect->y);
|
|
|
|
is->sub_convert_ctx = sws_getCachedContext(is->sub_convert_ctx,
|
|
sub_rect->w, sub_rect->h, AV_PIX_FMT_PAL8,
|
|
sub_rect->w, sub_rect->h, AV_PIX_FMT_BGRA,
|
|
0, NULL, NULL, NULL);
|
|
if (!is->sub_convert_ctx) {
|
|
av_log(NULL, AV_LOG_FATAL, "Cannot initialize the conversion context\n");
|
|
return;
|
|
}
|
|
if (!SDL_LockTexture(is->sub_texture, (SDL_Rect *)sub_rect, (void **)pixels, pitch)) {
|
|
sws_scale(is->sub_convert_ctx, (const uint8_t * const *)sub_rect->data, sub_rect->linesize,
|
|
0, sub_rect->h, pixels, pitch);
|
|
SDL_UnlockTexture(is->sub_texture);
|
|
}
|
|
}
|
|
sp->uploaded = 1;
|
|
}
|
|
} else
|
|
sp = NULL;
|
|
}
|
|
}
|
|
|
|
calculate_display_rect(&rect, is->xleft, is->ytop, is->width, is->height, vp->width, vp->height, vp->sar);
|
|
set_sdl_yuv_conversion_mode(vp->frame);
|
|
|
|
if (!vp->uploaded) {
|
|
if (upload_texture(&is->vid_texture, vp->frame) < 0) {
|
|
set_sdl_yuv_conversion_mode(NULL);
|
|
return;
|
|
}
|
|
vp->uploaded = 1;
|
|
vp->flip_v = vp->frame->linesize[0] < 0;
|
|
}
|
|
|
|
SDL_RenderCopyEx(renderer, is->vid_texture, NULL, &rect, 0, NULL, vp->flip_v ? SDL_FLIP_VERTICAL : 0);
|
|
set_sdl_yuv_conversion_mode(NULL);
|
|
if (sp) {
|
|
#if USE_ONEPASS_SUBTITLE_RENDER
|
|
SDL_RenderCopy(renderer, is->sub_texture, NULL, &rect);
|
|
#else
|
|
int i;
|
|
double xratio = (double)rect.w / (double)sp->width;
|
|
double yratio = (double)rect.h / (double)sp->height;
|
|
for (i = 0; i < sp->sub.num_rects; i++) {
|
|
SDL_Rect *sub_rect = (SDL_Rect*)sp->sub.rects[i];
|
|
SDL_Rect target = {.x = rect.x + sub_rect->x * xratio,
|
|
.y = rect.y + sub_rect->y * yratio,
|
|
.w = sub_rect->w * xratio,
|
|
.h = sub_rect->h * yratio};
|
|
SDL_RenderCopy(renderer, is->sub_texture, sub_rect, &target);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static inline int compute_mod(int a, int b)
|
|
{
|
|
return a < 0 ? a%b + b : a%b;
|
|
}
|
|
|
|
static void video_audio_display(VideoState *s)
|
|
{
|
|
int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
|
|
int ch, channels, h, h2;
|
|
int64_t time_diff;
|
|
int rdft_bits, nb_freq;
|
|
|
|
for (rdft_bits = 1; (1 << rdft_bits) < 2 * s->height; rdft_bits++)
|
|
;
|
|
nb_freq = 1 << (rdft_bits - 1);
|
|
|
|
/* compute display index : center on currently output samples */
|
|
channels = s->audio_tgt.ch_layout.nb_channels;
|
|
nb_display_channels = channels;
|
|
if (!s->paused) {
|
|
int data_used= s->show_mode == SHOW_MODE_WAVES ? s->width : (2*nb_freq);
|
|
n = 2 * channels;
|
|
delay = s->audio_write_buf_size;
|
|
delay /= n;
|
|
|
|
/* to be more precise, we take into account the time spent since
|
|
the last buffer computation */
|
|
if (audio_callback_time) {
|
|
time_diff = av_gettime_relative() - audio_callback_time;
|
|
delay -= (time_diff * s->audio_tgt.freq) / 1000000;
|
|
}
|
|
|
|
delay += 2 * data_used;
|
|
if (delay < data_used)
|
|
delay = data_used;
|
|
|
|
i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
|
|
if (s->show_mode == SHOW_MODE_WAVES) {
|
|
h = INT_MIN;
|
|
for (i = 0; i < 1000; i += channels) {
|
|
int idx = (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
|
|
int a = s->sample_array[idx];
|
|
int b = s->sample_array[(idx + 4 * channels) % SAMPLE_ARRAY_SIZE];
|
|
int c = s->sample_array[(idx + 5 * channels) % SAMPLE_ARRAY_SIZE];
|
|
int d = s->sample_array[(idx + 9 * channels) % SAMPLE_ARRAY_SIZE];
|
|
int score = a - d;
|
|
if (h < score && (b ^ c) < 0) {
|
|
h = score;
|
|
i_start = idx;
|
|
}
|
|
}
|
|
}
|
|
|
|
s->last_i_start = i_start;
|
|
} else {
|
|
i_start = s->last_i_start;
|
|
}
|
|
|
|
if (s->show_mode == SHOW_MODE_WAVES) {
|
|
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
|
|
|
|
/* total height for one channel */
|
|
h = s->height / nb_display_channels;
|
|
/* graph height / 2 */
|
|
h2 = (h * 9) / 20;
|
|
for (ch = 0; ch < nb_display_channels; ch++) {
|
|
i = i_start + ch;
|
|
y1 = s->ytop + ch * h + (h / 2); /* position of center line */
|
|
for (x = 0; x < s->width; x++) {
|
|
y = (s->sample_array[i] * h2) >> 15;
|
|
if (y < 0) {
|
|
y = -y;
|
|
ys = y1 - y;
|
|
} else {
|
|
ys = y1;
|
|
}
|
|
fill_rectangle(s->xleft + x, ys, 1, y);
|
|
i += channels;
|
|
if (i >= SAMPLE_ARRAY_SIZE)
|
|
i -= SAMPLE_ARRAY_SIZE;
|
|
}
|
|
}
|
|
|
|
SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);
|
|
|
|
for (ch = 1; ch < nb_display_channels; ch++) {
|
|
y = s->ytop + ch * h;
|
|
fill_rectangle(s->xleft, y, s->width, 1);
|
|
}
|
|
} else {
|
|
if (realloc_texture(&s->vis_texture, SDL_PIXELFORMAT_ARGB8888, s->width, s->height, SDL_BLENDMODE_NONE, 1) < 0)
|
|
return;
|
|
|
|
if (s->xpos >= s->width)
|
|
s->xpos = 0;
|
|
nb_display_channels= FFMIN(nb_display_channels, 2);
|
|
if (rdft_bits != s->rdft_bits) {
|
|
av_rdft_end(s->rdft);
|
|
av_free(s->rdft_data);
|
|
s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
|
|
s->rdft_bits = rdft_bits;
|
|
s->rdft_data = av_malloc_array(nb_freq, 4 *sizeof(*s->rdft_data));
|
|
}
|
|
if (!s->rdft || !s->rdft_data){
|
|
av_log(NULL, AV_LOG_ERROR, "Failed to allocate buffers for RDFT, switching to waves display\n");
|
|
s->show_mode = SHOW_MODE_WAVES;
|
|
} else {
|
|
FFTSample *data[2];
|
|
SDL_Rect rect = {.x = s->xpos, .y = 0, .w = 1, .h = s->height};
|
|
uint32_t *pixels;
|
|
int pitch;
|
|
for (ch = 0; ch < nb_display_channels; ch++) {
|
|
data[ch] = s->rdft_data + 2 * nb_freq * ch;
|
|
i = i_start + ch;
|
|
for (x = 0; x < 2 * nb_freq; x++) {
|
|
double w = (x-nb_freq) * (1.0 / nb_freq);
|
|
data[ch][x] = s->sample_array[i] * (1.0 - w * w);
|
|
i += channels;
|
|
if (i >= SAMPLE_ARRAY_SIZE)
|
|
i -= SAMPLE_ARRAY_SIZE;
|
|
}
|
|
av_rdft_calc(s->rdft, data[ch]);
|
|
}
|
|
/* Least efficient way to do this, we should of course
|
|
* directly access it but it is more than fast enough. */
|
|
if (!SDL_LockTexture(s->vis_texture, &rect, (void **)&pixels, &pitch)) {
|
|
pitch >>= 2;
|
|
pixels += pitch * s->height;
|
|
for (y = 0; y < s->height; y++) {
|
|
double w = 1 / sqrt(nb_freq);
|
|
int a = sqrt(w * sqrt(data[0][2 * y + 0] * data[0][2 * y + 0] + data[0][2 * y + 1] * data[0][2 * y + 1]));
|
|
int b = (nb_display_channels == 2 ) ? sqrt(w * hypot(data[1][2 * y + 0], data[1][2 * y + 1]))
|
|
: a;
|
|
a = FFMIN(a, 255);
|
|
b = FFMIN(b, 255);
|
|
pixels -= pitch;
|
|
*pixels = (a << 16) + (b << 8) + ((a+b) >> 1);
|
|
}
|
|
SDL_UnlockTexture(s->vis_texture);
|
|
}
|
|
SDL_RenderCopy(renderer, s->vis_texture, NULL, NULL);
|
|
}
|
|
if (!s->paused)
|
|
s->xpos++;
|
|
}
|
|
}
|
|
|
|
static void stream_component_close(VideoState *is, int stream_index)
|
|
{
|
|
AVFormatContext *ic = is->ic;
|
|
AVCodecParameters *codecpar;
|
|
|
|
if (stream_index < 0 || stream_index >= ic->nb_streams)
|
|
return;
|
|
codecpar = ic->streams[stream_index]->codecpar;
|
|
|
|
switch (codecpar->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
decoder_abort(&is->auddec, &is->sampq);
|
|
SDL_CloseAudioDevice(audio_dev);
|
|
decoder_destroy(&is->auddec);
|
|
swr_free(&is->swr_ctx);
|
|
av_freep(&is->audio_buf1);
|
|
is->audio_buf1_size = 0;
|
|
is->audio_buf = NULL;
|
|
|
|
if (is->rdft) {
|
|
av_rdft_end(is->rdft);
|
|
av_freep(&is->rdft_data);
|
|
is->rdft = NULL;
|
|
is->rdft_bits = 0;
|
|
}
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
decoder_abort(&is->viddec, &is->pictq);
|
|
decoder_destroy(&is->viddec);
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
decoder_abort(&is->subdec, &is->subpq);
|
|
decoder_destroy(&is->subdec);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ic->streams[stream_index]->discard = AVDISCARD_ALL;
|
|
switch (codecpar->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
is->audio_st = NULL;
|
|
is->audio_stream = -1;
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
is->video_st = NULL;
|
|
is->video_stream = -1;
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
is->subtitle_st = NULL;
|
|
is->subtitle_stream = -1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void stream_close(VideoState *is)
|
|
{
|
|
/* XXX: use a special url_shutdown call to abort parse cleanly */
|
|
is->abort_request = 1;
|
|
SDL_WaitThread(is->read_tid, NULL);
|
|
|
|
/* close each stream */
|
|
if (is->audio_stream >= 0)
|
|
stream_component_close(is, is->audio_stream);
|
|
if (is->video_stream >= 0)
|
|
stream_component_close(is, is->video_stream);
|
|
if (is->subtitle_stream >= 0)
|
|
stream_component_close(is, is->subtitle_stream);
|
|
|
|
avformat_close_input(&is->ic);
|
|
|
|
packet_queue_destroy(&is->videoq);
|
|
packet_queue_destroy(&is->audioq);
|
|
packet_queue_destroy(&is->subtitleq);
|
|
|
|
/* free all pictures */
|
|
frame_queue_destroy(&is->pictq);
|
|
frame_queue_destroy(&is->sampq);
|
|
frame_queue_destroy(&is->subpq);
|
|
SDL_DestroyCond(is->continue_read_thread);
|
|
sws_freeContext(is->sub_convert_ctx);
|
|
av_free(is->filename);
|
|
if (is->vis_texture)
|
|
SDL_DestroyTexture(is->vis_texture);
|
|
if (is->vid_texture)
|
|
SDL_DestroyTexture(is->vid_texture);
|
|
if (is->sub_texture)
|
|
SDL_DestroyTexture(is->sub_texture);
|
|
av_free(is);
|
|
}
|
|
|
|
static void do_exit(VideoState *is)
|
|
{
|
|
if (is) {
|
|
stream_close(is);
|
|
}
|
|
if (renderer)
|
|
SDL_DestroyRenderer(renderer);
|
|
if (window)
|
|
SDL_DestroyWindow(window);
|
|
uninit_opts();
|
|
av_freep(&vfilters_list);
|
|
avformat_network_deinit();
|
|
if (show_status)
|
|
printf("\n");
|
|
SDL_Quit();
|
|
av_log(NULL, AV_LOG_QUIET, "%s", "");
|
|
exit(0);
|
|
}
|
|
|
|
static void sigterm_handler(int sig)
|
|
{
|
|
exit(123);
|
|
}
|
|
|
|
static void set_default_window_size(int width, int height, AVRational sar)
|
|
{
|
|
SDL_Rect rect;
|
|
int max_width = screen_width ? screen_width : INT_MAX;
|
|
int max_height = screen_height ? screen_height : INT_MAX;
|
|
if (max_width == INT_MAX && max_height == INT_MAX)
|
|
max_height = height;
|
|
calculate_display_rect(&rect, 0, 0, max_width, max_height, width, height, sar);
|
|
default_width = rect.w;
|
|
default_height = rect.h;
|
|
}
|
|
|
|
static int video_open(VideoState *is)
|
|
{
|
|
int w,h;
|
|
|
|
w = screen_width ? screen_width : default_width;
|
|
h = screen_height ? screen_height : default_height;
|
|
|
|
if (!window_title)
|
|
window_title = input_filename;
|
|
SDL_SetWindowTitle(window, window_title);
|
|
|
|
SDL_SetWindowSize(window, w, h);
|
|
SDL_SetWindowPosition(window, screen_left, screen_top);
|
|
if (is_full_screen)
|
|
SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP);
|
|
SDL_ShowWindow(window);
|
|
|
|
is->width = w;
|
|
is->height = h;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* display the current picture, if any */
|
|
static void video_display(VideoState *is)
|
|
{
|
|
if (!is->width)
|
|
video_open(is);
|
|
|
|
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
|
|
SDL_RenderClear(renderer);
|
|
if (is->audio_st && is->show_mode != SHOW_MODE_VIDEO)
|
|
video_audio_display(is);
|
|
else if (is->video_st)
|
|
video_image_display(is);
|
|
SDL_RenderPresent(renderer);
|
|
}
|
|
|
|
static double get_clock(Clock *c)
|
|
{
|
|
if (*c->queue_serial != c->serial)
|
|
return NAN;
|
|
if (c->paused) {
|
|
return c->pts;
|
|
} else {
|
|
double time = av_gettime_relative() / 1000000.0;
|
|
return c->pts_drift + time - (time - c->last_updated) * (1.0 - c->speed);
|
|
}
|
|
}
|
|
|
|
static void set_clock_at(Clock *c, double pts, int serial, double time)
|
|
{
|
|
c->pts = pts;
|
|
c->last_updated = time;
|
|
c->pts_drift = c->pts - time;
|
|
c->serial = serial;
|
|
}
|
|
|
|
static void set_clock(Clock *c, double pts, int serial)
|
|
{
|
|
double time = av_gettime_relative() / 1000000.0;
|
|
set_clock_at(c, pts, serial, time);
|
|
}
|
|
|
|
static void set_clock_speed(Clock *c, double speed)
|
|
{
|
|
set_clock(c, get_clock(c), c->serial);
|
|
c->speed = speed;
|
|
}
|
|
|
|
static void init_clock(Clock *c, int *queue_serial)
|
|
{
|
|
c->speed = 1.0;
|
|
c->paused = 0;
|
|
c->queue_serial = queue_serial;
|
|
set_clock(c, NAN, -1);
|
|
}
|
|
|
|
static void sync_clock_to_slave(Clock *c, Clock *slave)
|
|
{
|
|
double clock = get_clock(c);
|
|
double slave_clock = get_clock(slave);
|
|
if (!isnan(slave_clock) && (isnan(clock) || fabs(clock - slave_clock) > AV_NOSYNC_THRESHOLD))
|
|
set_clock(c, slave_clock, slave->serial);
|
|
}
|
|
|
|
static int get_master_sync_type(VideoState *is) {
|
|
if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
|
|
if (is->video_st)
|
|
return AV_SYNC_VIDEO_MASTER;
|
|
else
|
|
return AV_SYNC_AUDIO_MASTER;
|
|
} else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
|
|
if (is->audio_st)
|
|
return AV_SYNC_AUDIO_MASTER;
|
|
else
|
|
return AV_SYNC_EXTERNAL_CLOCK;
|
|
} else {
|
|
return AV_SYNC_EXTERNAL_CLOCK;
|
|
}
|
|
}
|
|
|
|
/* get the current master clock value */
|
|
static double get_master_clock(VideoState *is)
|
|
{
|
|
double val;
|
|
|
|
switch (get_master_sync_type(is)) {
|
|
case AV_SYNC_VIDEO_MASTER:
|
|
val = get_clock(&is->vidclk);
|
|
break;
|
|
case AV_SYNC_AUDIO_MASTER:
|
|
val = get_clock(&is->audclk);
|
|
break;
|
|
default:
|
|
val = get_clock(&is->extclk);
|
|
break;
|
|
}
|
|
return val;
|
|
}
|
|
|
|
static void check_external_clock_speed(VideoState *is) {
|
|
if (is->video_stream >= 0 && is->videoq.nb_packets <= EXTERNAL_CLOCK_MIN_FRAMES ||
|
|
is->audio_stream >= 0 && is->audioq.nb_packets <= EXTERNAL_CLOCK_MIN_FRAMES) {
|
|
set_clock_speed(&is->extclk, FFMAX(EXTERNAL_CLOCK_SPEED_MIN, is->extclk.speed - EXTERNAL_CLOCK_SPEED_STEP));
|
|
} else if ((is->video_stream < 0 || is->videoq.nb_packets > EXTERNAL_CLOCK_MAX_FRAMES) &&
|
|
(is->audio_stream < 0 || is->audioq.nb_packets > EXTERNAL_CLOCK_MAX_FRAMES)) {
|
|
set_clock_speed(&is->extclk, FFMIN(EXTERNAL_CLOCK_SPEED_MAX, is->extclk.speed + EXTERNAL_CLOCK_SPEED_STEP));
|
|
} else {
|
|
double speed = is->extclk.speed;
|
|
if (speed != 1.0)
|
|
set_clock_speed(&is->extclk, speed + EXTERNAL_CLOCK_SPEED_STEP * (1.0 - speed) / fabs(1.0 - speed));
|
|
}
|
|
}
|
|
|
|
/* seek in the stream */
|
|
static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int by_bytes)
|
|
{
|
|
if (!is->seek_req) {
|
|
is->seek_pos = pos;
|
|
is->seek_rel = rel;
|
|
is->seek_flags &= ~AVSEEK_FLAG_BYTE;
|
|
if (by_bytes)
|
|
is->seek_flags |= AVSEEK_FLAG_BYTE;
|
|
is->seek_req = 1;
|
|
SDL_CondSignal(is->continue_read_thread);
|
|
}
|
|
}
|
|
|
|
/* pause or resume the video */
|
|
static void stream_toggle_pause(VideoState *is)
|
|
{
|
|
if (is->paused) {
|
|
is->frame_timer += av_gettime_relative() / 1000000.0 - is->vidclk.last_updated;
|
|
if (is->read_pause_return != AVERROR(ENOSYS)) {
|
|
is->vidclk.paused = 0;
|
|
}
|
|
set_clock(&is->vidclk, get_clock(&is->vidclk), is->vidclk.serial);
|
|
}
|
|
set_clock(&is->extclk, get_clock(&is->extclk), is->extclk.serial);
|
|
is->paused = is->audclk.paused = is->vidclk.paused = is->extclk.paused = !is->paused;
|
|
}
|
|
|
|
static void toggle_pause(VideoState *is)
|
|
{
|
|
stream_toggle_pause(is);
|
|
is->step = 0;
|
|
}
|
|
|
|
static void toggle_mute(VideoState *is)
|
|
{
|
|
is->muted = !is->muted;
|
|
}
|
|
|
|
static void update_volume(VideoState *is, int sign, double step)
|
|
{
|
|
double volume_level = is->audio_volume ? (20 * log(is->audio_volume / (double)SDL_MIX_MAXVOLUME) / log(10)) : -1000.0;
|
|
int new_volume = lrint(SDL_MIX_MAXVOLUME * pow(10.0, (volume_level + sign * step) / 20.0));
|
|
is->audio_volume = av_clip(is->audio_volume == new_volume ? (is->audio_volume + sign) : new_volume, 0, SDL_MIX_MAXVOLUME);
|
|
}
|
|
|
|
static void step_to_next_frame(VideoState *is)
|
|
{
|
|
/* if the stream is paused unpause it, then step */
|
|
if (is->paused)
|
|
stream_toggle_pause(is);
|
|
is->step = 1;
|
|
}
|
|
|
|
static double compute_target_delay(double delay, VideoState *is)
|
|
{
|
|
double sync_threshold, diff = 0;
|
|
|
|
/* update delay to follow master synchronisation source */
|
|
if (get_master_sync_type(is) != AV_SYNC_VIDEO_MASTER) {
|
|
/* if video is slave, we try to correct big delays by
|
|
duplicating or deleting a frame */
|
|
diff = get_clock(&is->vidclk) - get_master_clock(is);
|
|
|
|
/* skip or repeat frame. We take into account the
|
|
delay to compute the threshold. I still don't know
|
|
if it is the best guess */
|
|
sync_threshold = FFMAX(AV_SYNC_THRESHOLD_MIN, FFMIN(AV_SYNC_THRESHOLD_MAX, delay));
|
|
if (!isnan(diff) && fabs(diff) < is->max_frame_duration) {
|
|
if (diff <= -sync_threshold)
|
|
delay = FFMAX(0, delay + diff);
|
|
else if (diff >= sync_threshold && delay > AV_SYNC_FRAMEDUP_THRESHOLD)
|
|
delay = delay + diff;
|
|
else if (diff >= sync_threshold)
|
|
delay = 2 * delay;
|
|
}
|
|
}
|
|
|
|
av_log(NULL, AV_LOG_TRACE, "video: delay=%0.3f A-V=%f\n",
|
|
delay, -diff);
|
|
|
|
return delay;
|
|
}
|
|
|
|
static double vp_duration(VideoState *is, Frame *vp, Frame *nextvp) {
|
|
if (vp->serial == nextvp->serial) {
|
|
double duration = nextvp->pts - vp->pts;
|
|
if (isnan(duration) || duration <= 0 || duration > is->max_frame_duration)
|
|
return vp->duration;
|
|
else
|
|
return duration;
|
|
} else {
|
|
return 0.0;
|
|
}
|
|
}
|
|
|
|
static void update_video_pts(VideoState *is, double pts, int serial)
|
|
{
|
|
/* update current video pts */
|
|
set_clock(&is->vidclk, pts, serial);
|
|
sync_clock_to_slave(&is->extclk, &is->vidclk);
|
|
}
|
|
|
|
/* called to display each frame */
|
|
static void video_refresh(void *opaque, double *remaining_time)
|
|
{
|
|
VideoState *is = opaque;
|
|
double time;
|
|
|
|
Frame *sp, *sp2;
|
|
|
|
if (!is->paused && get_master_sync_type(is) == AV_SYNC_EXTERNAL_CLOCK && is->realtime)
|
|
check_external_clock_speed(is);
|
|
|
|
if (!display_disable && is->show_mode != SHOW_MODE_VIDEO && is->audio_st) {
|
|
time = av_gettime_relative() / 1000000.0;
|
|
if (is->force_refresh || is->last_vis_time + rdftspeed < time) {
|
|
video_display(is);
|
|
is->last_vis_time = time;
|
|
}
|
|
*remaining_time = FFMIN(*remaining_time, is->last_vis_time + rdftspeed - time);
|
|
}
|
|
|
|
if (is->video_st) {
|
|
retry:
|
|
if (frame_queue_nb_remaining(&is->pictq) == 0) {
|
|
// nothing to do, no picture to display in the queue
|
|
} else {
|
|
double last_duration, duration, delay;
|
|
Frame *vp, *lastvp;
|
|
|
|
/* dequeue the picture */
|
|
lastvp = frame_queue_peek_last(&is->pictq);
|
|
vp = frame_queue_peek(&is->pictq);
|
|
|
|
if (vp->serial != is->videoq.serial) {
|
|
frame_queue_next(&is->pictq);
|
|
goto retry;
|
|
}
|
|
|
|
if (lastvp->serial != vp->serial)
|
|
is->frame_timer = av_gettime_relative() / 1000000.0;
|
|
|
|
if (is->paused)
|
|
goto display;
|
|
|
|
/* compute nominal last_duration */
|
|
last_duration = vp_duration(is, lastvp, vp);
|
|
delay = compute_target_delay(last_duration, is);
|
|
|
|
time= av_gettime_relative()/1000000.0;
|
|
if (time < is->frame_timer + delay) {
|
|
*remaining_time = FFMIN(is->frame_timer + delay - time, *remaining_time);
|
|
goto display;
|
|
}
|
|
|
|
is->frame_timer += delay;
|
|
if (delay > 0 && time - is->frame_timer > AV_SYNC_THRESHOLD_MAX)
|
|
is->frame_timer = time;
|
|
|
|
SDL_LockMutex(is->pictq.mutex);
|
|
if (!isnan(vp->pts))
|
|
update_video_pts(is, vp->pts, vp->serial);
|
|
SDL_UnlockMutex(is->pictq.mutex);
|
|
|
|
if (frame_queue_nb_remaining(&is->pictq) > 1) {
|
|
Frame *nextvp = frame_queue_peek_next(&is->pictq);
|
|
duration = vp_duration(is, vp, nextvp);
|
|
if(!is->step && (framedrop>0 || (framedrop && get_master_sync_type(is) != AV_SYNC_VIDEO_MASTER)) && time > is->frame_timer + duration){
|
|
is->frame_drops_late++;
|
|
frame_queue_next(&is->pictq);
|
|
goto retry;
|
|
}
|
|
}
|
|
|
|
if (is->subtitle_st) {
|
|
while (frame_queue_nb_remaining(&is->subpq) > 0) {
|
|
sp = frame_queue_peek(&is->subpq);
|
|
|
|
if (frame_queue_nb_remaining(&is->subpq) > 1)
|
|
sp2 = frame_queue_peek_next(&is->subpq);
|
|
else
|
|
sp2 = NULL;
|
|
|
|
if (sp->serial != is->subtitleq.serial
|
|
|| (is->vidclk.pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
|
|
|| (sp2 && is->vidclk.pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
|
|
{
|
|
if (sp->uploaded) {
|
|
int i;
|
|
for (i = 0; i < sp->sub.num_rects; i++) {
|
|
AVSubtitleRect *sub_rect = sp->sub.rects[i];
|
|
uint8_t *pixels;
|
|
int pitch, j;
|
|
|
|
if (!SDL_LockTexture(is->sub_texture, (SDL_Rect *)sub_rect, (void **)&pixels, &pitch)) {
|
|
for (j = 0; j < sub_rect->h; j++, pixels += pitch)
|
|
memset(pixels, 0, sub_rect->w << 2);
|
|
SDL_UnlockTexture(is->sub_texture);
|
|
}
|
|
}
|
|
}
|
|
frame_queue_next(&is->subpq);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
frame_queue_next(&is->pictq);
|
|
is->force_refresh = 1;
|
|
|
|
if (is->step && !is->paused)
|
|
stream_toggle_pause(is);
|
|
}
|
|
display:
|
|
/* display picture */
|
|
if (!display_disable && is->force_refresh && is->show_mode == SHOW_MODE_VIDEO && is->pictq.rindex_shown)
|
|
video_display(is);
|
|
}
|
|
is->force_refresh = 0;
|
|
if (show_status) {
|
|
AVBPrint buf;
|
|
static int64_t last_time;
|
|
int64_t cur_time;
|
|
int aqsize, vqsize, sqsize;
|
|
double av_diff;
|
|
|
|
cur_time = av_gettime_relative();
|
|
if (!last_time || (cur_time - last_time) >= 30000) {
|
|
aqsize = 0;
|
|
vqsize = 0;
|
|
sqsize = 0;
|
|
if (is->audio_st)
|
|
aqsize = is->audioq.size;
|
|
if (is->video_st)
|
|
vqsize = is->videoq.size;
|
|
if (is->subtitle_st)
|
|
sqsize = is->subtitleq.size;
|
|
av_diff = 0;
|
|
if (is->audio_st && is->video_st)
|
|
av_diff = get_clock(&is->audclk) - get_clock(&is->vidclk);
|
|
else if (is->video_st)
|
|
av_diff = get_master_clock(is) - get_clock(&is->vidclk);
|
|
else if (is->audio_st)
|
|
av_diff = get_master_clock(is) - get_clock(&is->audclk);
|
|
|
|
av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
|
|
av_bprintf(&buf,
|
|
"%7.2f %s:%7.3f fd=%4d aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64" \r",
|
|
get_master_clock(is),
|
|
(is->audio_st && is->video_st) ? "A-V" : (is->video_st ? "M-V" : (is->audio_st ? "M-A" : " ")),
|
|
av_diff,
|
|
is->frame_drops_early + is->frame_drops_late,
|
|
aqsize / 1024,
|
|
vqsize / 1024,
|
|
sqsize,
|
|
is->video_st ? is->viddec.avctx->pts_correction_num_faulty_dts : 0,
|
|
is->video_st ? is->viddec.avctx->pts_correction_num_faulty_pts : 0);
|
|
|
|
if (show_status == 1 && AV_LOG_INFO > av_log_get_level())
|
|
fprintf(stderr, "%s", buf.str);
|
|
else
|
|
av_log(NULL, AV_LOG_INFO, "%s", buf.str);
|
|
|
|
fflush(stderr);
|
|
av_bprint_finalize(&buf, NULL);
|
|
|
|
last_time = cur_time;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, double duration, int64_t pos, int serial)
|
|
{
|
|
Frame *vp;
|
|
|
|
#if defined(DEBUG_SYNC)
|
|
printf("frame_type=%c pts=%0.3f\n",
|
|
av_get_picture_type_char(src_frame->pict_type), pts);
|
|
#endif
|
|
|
|
if (!(vp = frame_queue_peek_writable(&is->pictq)))
|
|
return -1;
|
|
|
|
vp->sar = src_frame->sample_aspect_ratio;
|
|
vp->uploaded = 0;
|
|
|
|
vp->width = src_frame->width;
|
|
vp->height = src_frame->height;
|
|
vp->format = src_frame->format;
|
|
|
|
vp->pts = pts;
|
|
vp->duration = duration;
|
|
vp->pos = pos;
|
|
vp->serial = serial;
|
|
|
|
set_default_window_size(vp->width, vp->height, vp->sar);
|
|
|
|
av_frame_move_ref(vp->frame, src_frame);
|
|
frame_queue_push(&is->pictq);
|
|
return 0;
|
|
}
|
|
|
|
static int get_video_frame(VideoState *is, AVFrame *frame)
|
|
{
|
|
int got_picture;
|
|
|
|
if ((got_picture = decoder_decode_frame(&is->viddec, frame, NULL)) < 0)
|
|
return -1;
|
|
|
|
if (got_picture) {
|
|
double dpts = NAN;
|
|
|
|
if (frame->pts != AV_NOPTS_VALUE)
|
|
dpts = av_q2d(is->video_st->time_base) * frame->pts;
|
|
|
|
frame->sample_aspect_ratio = av_guess_sample_aspect_ratio(is->ic, is->video_st, frame);
|
|
|
|
if (framedrop>0 || (framedrop && get_master_sync_type(is) != AV_SYNC_VIDEO_MASTER)) {
|
|
if (frame->pts != AV_NOPTS_VALUE) {
|
|
double diff = dpts - get_master_clock(is);
|
|
if (!isnan(diff) && fabs(diff) < AV_NOSYNC_THRESHOLD &&
|
|
diff - is->frame_last_filter_delay < 0 &&
|
|
is->viddec.pkt_serial == is->vidclk.serial &&
|
|
is->videoq.nb_packets) {
|
|
is->frame_drops_early++;
|
|
av_frame_unref(frame);
|
|
got_picture = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return got_picture;
|
|
}
|
|
|
|
static int configure_filtergraph(AVFilterGraph *graph, const char *filtergraph,
|
|
AVFilterContext *source_ctx, AVFilterContext *sink_ctx)
|
|
{
|
|
int ret, i;
|
|
int nb_filters = graph->nb_filters;
|
|
AVFilterInOut *outputs = NULL, *inputs = NULL;
|
|
|
|
if (filtergraph) {
|
|
outputs = avfilter_inout_alloc();
|
|
inputs = avfilter_inout_alloc();
|
|
if (!outputs || !inputs) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
outputs->name = av_strdup("in");
|
|
outputs->filter_ctx = source_ctx;
|
|
outputs->pad_idx = 0;
|
|
outputs->next = NULL;
|
|
|
|
inputs->name = av_strdup("out");
|
|
inputs->filter_ctx = sink_ctx;
|
|
inputs->pad_idx = 0;
|
|
inputs->next = NULL;
|
|
|
|
if ((ret = avfilter_graph_parse_ptr(graph, filtergraph, &inputs, &outputs, NULL)) < 0)
|
|
goto fail;
|
|
} else {
|
|
if ((ret = avfilter_link(source_ctx, 0, sink_ctx, 0)) < 0)
|
|
goto fail;
|
|
}
|
|
|
|
/* Reorder the filters to ensure that inputs of the custom filters are merged first */
|
|
for (i = 0; i < graph->nb_filters - nb_filters; i++)
|
|
FFSWAP(AVFilterContext*, graph->filters[i], graph->filters[i + nb_filters]);
|
|
|
|
ret = avfilter_graph_config(graph, NULL);
|
|
fail:
|
|
avfilter_inout_free(&outputs);
|
|
avfilter_inout_free(&inputs);
|
|
return ret;
|
|
}
|
|
|
|
static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters, AVFrame *frame)
|
|
{
|
|
enum AVPixelFormat pix_fmts[FF_ARRAY_ELEMS(sdl_texture_format_map)];
|
|
char sws_flags_str[512] = "";
|
|
char buffersrc_args[256];
|
|
int ret;
|
|
AVFilterContext *filt_src = NULL, *filt_out = NULL, *last_filter = NULL;
|
|
AVCodecParameters *codecpar = is->video_st->codecpar;
|
|
AVRational fr = av_guess_frame_rate(is->ic, is->video_st, NULL);
|
|
const AVDictionaryEntry *e = NULL;
|
|
int nb_pix_fmts = 0;
|
|
int i, j;
|
|
|
|
for (i = 0; i < renderer_info.num_texture_formats; i++) {
|
|
for (j = 0; j < FF_ARRAY_ELEMS(sdl_texture_format_map) - 1; j++) {
|
|
if (renderer_info.texture_formats[i] == sdl_texture_format_map[j].texture_fmt) {
|
|
pix_fmts[nb_pix_fmts++] = sdl_texture_format_map[j].format;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
pix_fmts[nb_pix_fmts] = AV_PIX_FMT_NONE;
|
|
|
|
while ((e = av_dict_iterate(sws_dict, e))) {
|
|
if (!strcmp(e->key, "sws_flags")) {
|
|
av_strlcatf(sws_flags_str, sizeof(sws_flags_str), "%s=%s:", "flags", e->value);
|
|
} else
|
|
av_strlcatf(sws_flags_str, sizeof(sws_flags_str), "%s=%s:", e->key, e->value);
|
|
}
|
|
if (strlen(sws_flags_str))
|
|
sws_flags_str[strlen(sws_flags_str)-1] = '\0';
|
|
|
|
graph->scale_sws_opts = av_strdup(sws_flags_str);
|
|
|
|
snprintf(buffersrc_args, sizeof(buffersrc_args),
|
|
"video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
|
|
frame->width, frame->height, frame->format,
|
|
is->video_st->time_base.num, is->video_st->time_base.den,
|
|
codecpar->sample_aspect_ratio.num, FFMAX(codecpar->sample_aspect_ratio.den, 1));
|
|
if (fr.num && fr.den)
|
|
av_strlcatf(buffersrc_args, sizeof(buffersrc_args), ":frame_rate=%d/%d", fr.num, fr.den);
|
|
|
|
if ((ret = avfilter_graph_create_filter(&filt_src,
|
|
avfilter_get_by_name("buffer"),
|
|
"ffplay_buffer", buffersrc_args, NULL,
|
|
graph)) < 0)
|
|
goto fail;
|
|
|
|
ret = avfilter_graph_create_filter(&filt_out,
|
|
avfilter_get_by_name("buffersink"),
|
|
"ffplay_buffersink", NULL, NULL, graph);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
if ((ret = av_opt_set_int_list(filt_out, "pix_fmts", pix_fmts, AV_PIX_FMT_NONE, AV_OPT_SEARCH_CHILDREN)) < 0)
|
|
goto fail;
|
|
|
|
last_filter = filt_out;
|
|
|
|
/* Note: this macro adds a filter before the lastly added filter, so the
|
|
* processing order of the filters is in reverse */
|
|
#define INSERT_FILT(name, arg) do { \
|
|
AVFilterContext *filt_ctx; \
|
|
\
|
|
ret = avfilter_graph_create_filter(&filt_ctx, \
|
|
avfilter_get_by_name(name), \
|
|
"ffplay_" name, arg, NULL, graph); \
|
|
if (ret < 0) \
|
|
goto fail; \
|
|
\
|
|
ret = avfilter_link(filt_ctx, 0, last_filter, 0); \
|
|
if (ret < 0) \
|
|
goto fail; \
|
|
\
|
|
last_filter = filt_ctx; \
|
|
} while (0)
|
|
|
|
if (autorotate) {
|
|
double theta = 0.0;
|
|
int32_t *displaymatrix = NULL;
|
|
AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_DISPLAYMATRIX);
|
|
if (sd)
|
|
displaymatrix = (int32_t *)sd->data;
|
|
if (!displaymatrix)
|
|
displaymatrix = (int32_t *)av_stream_get_side_data(is->video_st, AV_PKT_DATA_DISPLAYMATRIX, NULL);
|
|
theta = get_rotation(displaymatrix);
|
|
|
|
if (fabs(theta - 90) < 1.0) {
|
|
INSERT_FILT("transpose", "clock");
|
|
} else if (fabs(theta - 180) < 1.0) {
|
|
INSERT_FILT("hflip", NULL);
|
|
INSERT_FILT("vflip", NULL);
|
|
} else if (fabs(theta - 270) < 1.0) {
|
|
INSERT_FILT("transpose", "cclock");
|
|
} else if (fabs(theta) > 1.0) {
|
|
char rotate_buf[64];
|
|
snprintf(rotate_buf, sizeof(rotate_buf), "%f*PI/180", theta);
|
|
INSERT_FILT("rotate", rotate_buf);
|
|
}
|
|
}
|
|
|
|
if ((ret = configure_filtergraph(graph, vfilters, filt_src, last_filter)) < 0)
|
|
goto fail;
|
|
|
|
is->in_video_filter = filt_src;
|
|
is->out_video_filter = filt_out;
|
|
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
static int configure_audio_filters(VideoState *is, const char *afilters, int force_output_format)
|
|
{
|
|
static const enum AVSampleFormat sample_fmts[] = { AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE };
|
|
int sample_rates[2] = { 0, -1 };
|
|
AVFilterContext *filt_asrc = NULL, *filt_asink = NULL;
|
|
char aresample_swr_opts[512] = "";
|
|
const AVDictionaryEntry *e = NULL;
|
|
AVBPrint bp;
|
|
char asrc_args[256];
|
|
int ret;
|
|
|
|
avfilter_graph_free(&is->agraph);
|
|
if (!(is->agraph = avfilter_graph_alloc()))
|
|
return AVERROR(ENOMEM);
|
|
is->agraph->nb_threads = filter_nbthreads;
|
|
|
|
av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
|
|
|
|
while ((e = av_dict_iterate(swr_opts, e)))
|
|
av_strlcatf(aresample_swr_opts, sizeof(aresample_swr_opts), "%s=%s:", e->key, e->value);
|
|
if (strlen(aresample_swr_opts))
|
|
aresample_swr_opts[strlen(aresample_swr_opts)-1] = '\0';
|
|
av_opt_set(is->agraph, "aresample_swr_opts", aresample_swr_opts, 0);
|
|
|
|
av_channel_layout_describe_bprint(&is->audio_filter_src.ch_layout, &bp);
|
|
|
|
ret = snprintf(asrc_args, sizeof(asrc_args),
|
|
"sample_rate=%d:sample_fmt=%s:time_base=%d/%d:channel_layout=%s",
|
|
is->audio_filter_src.freq, av_get_sample_fmt_name(is->audio_filter_src.fmt),
|
|
1, is->audio_filter_src.freq, bp.str);
|
|
|
|
ret = avfilter_graph_create_filter(&filt_asrc,
|
|
avfilter_get_by_name("abuffer"), "ffplay_abuffer",
|
|
asrc_args, NULL, is->agraph);
|
|
if (ret < 0)
|
|
goto end;
|
|
|
|
|
|
ret = avfilter_graph_create_filter(&filt_asink,
|
|
avfilter_get_by_name("abuffersink"), "ffplay_abuffersink",
|
|
NULL, NULL, is->agraph);
|
|
if (ret < 0)
|
|
goto end;
|
|
|
|
if ((ret = av_opt_set_int_list(filt_asink, "sample_fmts", sample_fmts, AV_SAMPLE_FMT_NONE, AV_OPT_SEARCH_CHILDREN)) < 0)
|
|
goto end;
|
|
if ((ret = av_opt_set_int(filt_asink, "all_channel_counts", 1, AV_OPT_SEARCH_CHILDREN)) < 0)
|
|
goto end;
|
|
|
|
if (force_output_format) {
|
|
sample_rates [0] = is->audio_tgt.freq;
|
|
if ((ret = av_opt_set_int(filt_asink, "all_channel_counts", 0, AV_OPT_SEARCH_CHILDREN)) < 0)
|
|
goto end;
|
|
if ((ret = av_opt_set(filt_asink, "ch_layouts", bp.str, AV_OPT_SEARCH_CHILDREN)) < 0)
|
|
goto end;
|
|
if ((ret = av_opt_set_int_list(filt_asink, "sample_rates" , sample_rates , -1, AV_OPT_SEARCH_CHILDREN)) < 0)
|
|
goto end;
|
|
}
|
|
|
|
|
|
if ((ret = configure_filtergraph(is->agraph, afilters, filt_asrc, filt_asink)) < 0)
|
|
goto end;
|
|
|
|
is->in_audio_filter = filt_asrc;
|
|
is->out_audio_filter = filt_asink;
|
|
|
|
end:
|
|
if (ret < 0)
|
|
avfilter_graph_free(&is->agraph);
|
|
av_bprint_finalize(&bp, NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int audio_thread(void *arg)
|
|
{
|
|
VideoState *is = arg;
|
|
AVFrame *frame = av_frame_alloc();
|
|
Frame *af;
|
|
int last_serial = -1;
|
|
int reconfigure;
|
|
int got_frame = 0;
|
|
AVRational tb;
|
|
int ret = 0;
|
|
|
|
if (!frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
do {
|
|
if ((got_frame = decoder_decode_frame(&is->auddec, frame, NULL)) < 0)
|
|
goto the_end;
|
|
|
|
if (got_frame) {
|
|
tb = (AVRational){1, frame->sample_rate};
|
|
|
|
reconfigure =
|
|
cmp_audio_fmts(is->audio_filter_src.fmt, is->audio_filter_src.ch_layout.nb_channels,
|
|
frame->format, frame->ch_layout.nb_channels) ||
|
|
av_channel_layout_compare(&is->audio_filter_src.ch_layout, &frame->ch_layout) ||
|
|
is->audio_filter_src.freq != frame->sample_rate ||
|
|
is->auddec.pkt_serial != last_serial;
|
|
|
|
if (reconfigure) {
|
|
char buf1[1024], buf2[1024];
|
|
av_channel_layout_describe(&is->audio_filter_src.ch_layout, buf1, sizeof(buf1));
|
|
av_channel_layout_describe(&frame->ch_layout, buf2, sizeof(buf2));
|
|
av_log(NULL, AV_LOG_DEBUG,
|
|
"Audio frame changed from rate:%d ch:%d fmt:%s layout:%s serial:%d to rate:%d ch:%d fmt:%s layout:%s serial:%d\n",
|
|
is->audio_filter_src.freq, is->audio_filter_src.ch_layout.nb_channels, av_get_sample_fmt_name(is->audio_filter_src.fmt), buf1, last_serial,
|
|
frame->sample_rate, frame->ch_layout.nb_channels, av_get_sample_fmt_name(frame->format), buf2, is->auddec.pkt_serial);
|
|
|
|
is->audio_filter_src.fmt = frame->format;
|
|
ret = av_channel_layout_copy(&is->audio_filter_src.ch_layout, &frame->ch_layout);
|
|
if (ret < 0)
|
|
goto the_end;
|
|
is->audio_filter_src.freq = frame->sample_rate;
|
|
last_serial = is->auddec.pkt_serial;
|
|
|
|
if ((ret = configure_audio_filters(is, afilters, 1)) < 0)
|
|
goto the_end;
|
|
}
|
|
|
|
if ((ret = av_buffersrc_add_frame(is->in_audio_filter, frame)) < 0)
|
|
goto the_end;
|
|
|
|
while ((ret = av_buffersink_get_frame_flags(is->out_audio_filter, frame, 0)) >= 0) {
|
|
FrameData *fd = frame->opaque_ref ? (FrameData*)frame->opaque_ref->data : NULL;
|
|
tb = av_buffersink_get_time_base(is->out_audio_filter);
|
|
if (!(af = frame_queue_peek_writable(&is->sampq)))
|
|
goto the_end;
|
|
|
|
af->pts = (frame->pts == AV_NOPTS_VALUE) ? NAN : frame->pts * av_q2d(tb);
|
|
af->pos = fd ? fd->pkt_pos : -1;
|
|
af->serial = is->auddec.pkt_serial;
|
|
af->duration = av_q2d((AVRational){frame->nb_samples, frame->sample_rate});
|
|
|
|
av_frame_move_ref(af->frame, frame);
|
|
frame_queue_push(&is->sampq);
|
|
|
|
if (is->audioq.serial != is->auddec.pkt_serial)
|
|
break;
|
|
}
|
|
if (ret == AVERROR_EOF)
|
|
is->auddec.finished = is->auddec.pkt_serial;
|
|
}
|
|
} while (ret >= 0 || ret == AVERROR(EAGAIN) || ret == AVERROR_EOF);
|
|
the_end:
|
|
avfilter_graph_free(&is->agraph);
|
|
av_frame_free(&frame);
|
|
return ret;
|
|
}
|
|
|
|
static int decoder_start(Decoder *d, int (*fn)(void *), const char *thread_name, void* arg)
|
|
{
|
|
packet_queue_start(d->queue);
|
|
d->decoder_tid = SDL_CreateThread(fn, thread_name, arg);
|
|
if (!d->decoder_tid) {
|
|
av_log(NULL, AV_LOG_ERROR, "SDL_CreateThread(): %s\n", SDL_GetError());
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int video_thread(void *arg)
|
|
{
|
|
VideoState *is = arg;
|
|
AVFrame *frame = av_frame_alloc();
|
|
double pts;
|
|
double duration;
|
|
int ret;
|
|
AVRational tb = is->video_st->time_base;
|
|
AVRational frame_rate = av_guess_frame_rate(is->ic, is->video_st, NULL);
|
|
|
|
AVFilterGraph *graph = NULL;
|
|
AVFilterContext *filt_out = NULL, *filt_in = NULL;
|
|
int last_w = 0;
|
|
int last_h = 0;
|
|
enum AVPixelFormat last_format = -2;
|
|
int last_serial = -1;
|
|
int last_vfilter_idx = 0;
|
|
|
|
if (!frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
for (;;) {
|
|
ret = get_video_frame(is, frame);
|
|
if (ret < 0)
|
|
goto the_end;
|
|
if (!ret)
|
|
continue;
|
|
|
|
if ( last_w != frame->width
|
|
|| last_h != frame->height
|
|
|| last_format != frame->format
|
|
|| last_serial != is->viddec.pkt_serial
|
|
|| last_vfilter_idx != is->vfilter_idx) {
|
|
av_log(NULL, AV_LOG_DEBUG,
|
|
"Video frame changed from size:%dx%d format:%s serial:%d to size:%dx%d format:%s serial:%d\n",
|
|
last_w, last_h,
|
|
(const char *)av_x_if_null(av_get_pix_fmt_name(last_format), "none"), last_serial,
|
|
frame->width, frame->height,
|
|
(const char *)av_x_if_null(av_get_pix_fmt_name(frame->format), "none"), is->viddec.pkt_serial);
|
|
avfilter_graph_free(&graph);
|
|
graph = avfilter_graph_alloc();
|
|
if (!graph) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto the_end;
|
|
}
|
|
graph->nb_threads = filter_nbthreads;
|
|
if ((ret = configure_video_filters(graph, is, vfilters_list ? vfilters_list[is->vfilter_idx] : NULL, frame)) < 0) {
|
|
SDL_Event event;
|
|
event.type = FF_QUIT_EVENT;
|
|
event.user.data1 = is;
|
|
SDL_PushEvent(&event);
|
|
goto the_end;
|
|
}
|
|
filt_in = is->in_video_filter;
|
|
filt_out = is->out_video_filter;
|
|
last_w = frame->width;
|
|
last_h = frame->height;
|
|
last_format = frame->format;
|
|
last_serial = is->viddec.pkt_serial;
|
|
last_vfilter_idx = is->vfilter_idx;
|
|
frame_rate = av_buffersink_get_frame_rate(filt_out);
|
|
}
|
|
|
|
ret = av_buffersrc_add_frame(filt_in, frame);
|
|
if (ret < 0)
|
|
goto the_end;
|
|
|
|
while (ret >= 0) {
|
|
FrameData *fd;
|
|
|
|
is->frame_last_returned_time = av_gettime_relative() / 1000000.0;
|
|
|
|
ret = av_buffersink_get_frame_flags(filt_out, frame, 0);
|
|
if (ret < 0) {
|
|
if (ret == AVERROR_EOF)
|
|
is->viddec.finished = is->viddec.pkt_serial;
|
|
ret = 0;
|
|
break;
|
|
}
|
|
|
|
fd = frame->opaque_ref ? (FrameData*)frame->opaque_ref->data : NULL;
|
|
|
|
is->frame_last_filter_delay = av_gettime_relative() / 1000000.0 - is->frame_last_returned_time;
|
|
if (fabs(is->frame_last_filter_delay) > AV_NOSYNC_THRESHOLD / 10.0)
|
|
is->frame_last_filter_delay = 0;
|
|
tb = av_buffersink_get_time_base(filt_out);
|
|
duration = (frame_rate.num && frame_rate.den ? av_q2d((AVRational){frame_rate.den, frame_rate.num}) : 0);
|
|
pts = (frame->pts == AV_NOPTS_VALUE) ? NAN : frame->pts * av_q2d(tb);
|
|
ret = queue_picture(is, frame, pts, duration, fd ? fd->pkt_pos : -1, is->viddec.pkt_serial);
|
|
av_frame_unref(frame);
|
|
if (is->videoq.serial != is->viddec.pkt_serial)
|
|
break;
|
|
}
|
|
|
|
if (ret < 0)
|
|
goto the_end;
|
|
}
|
|
the_end:
|
|
avfilter_graph_free(&graph);
|
|
av_frame_free(&frame);
|
|
return 0;
|
|
}
|
|
|
|
static int subtitle_thread(void *arg)
|
|
{
|
|
VideoState *is = arg;
|
|
Frame *sp;
|
|
int got_subtitle;
|
|
double pts;
|
|
|
|
for (;;) {
|
|
if (!(sp = frame_queue_peek_writable(&is->subpq)))
|
|
return 0;
|
|
|
|
if ((got_subtitle = decoder_decode_frame(&is->subdec, NULL, &sp->sub)) < 0)
|
|
break;
|
|
|
|
pts = 0;
|
|
|
|
if (got_subtitle && sp->sub.format == 0) {
|
|
if (sp->sub.pts != AV_NOPTS_VALUE)
|
|
pts = sp->sub.pts / (double)AV_TIME_BASE;
|
|
sp->pts = pts;
|
|
sp->serial = is->subdec.pkt_serial;
|
|
sp->width = is->subdec.avctx->width;
|
|
sp->height = is->subdec.avctx->height;
|
|
sp->uploaded = 0;
|
|
|
|
/* now we can update the picture count */
|
|
frame_queue_push(&is->subpq);
|
|
} else if (got_subtitle) {
|
|
avsubtitle_free(&sp->sub);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* copy samples for viewing in editor window */
|
|
static void update_sample_display(VideoState *is, short *samples, int samples_size)
|
|
{
|
|
int size, len;
|
|
|
|
size = samples_size / sizeof(short);
|
|
while (size > 0) {
|
|
len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
|
|
if (len > size)
|
|
len = size;
|
|
memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
|
|
samples += len;
|
|
is->sample_array_index += len;
|
|
if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
|
|
is->sample_array_index = 0;
|
|
size -= len;
|
|
}
|
|
}
|
|
|
|
/* return the wanted number of samples to get better sync if sync_type is video
|
|
* or external master clock */
|
|
static int synchronize_audio(VideoState *is, int nb_samples)
|
|
{
|
|
int wanted_nb_samples = nb_samples;
|
|
|
|
/* if not master, then we try to remove or add samples to correct the clock */
|
|
if (get_master_sync_type(is) != AV_SYNC_AUDIO_MASTER) {
|
|
double diff, avg_diff;
|
|
int min_nb_samples, max_nb_samples;
|
|
|
|
diff = get_clock(&is->audclk) - get_master_clock(is);
|
|
|
|
if (!isnan(diff) && fabs(diff) < AV_NOSYNC_THRESHOLD) {
|
|
is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
|
|
if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
|
|
/* not enough measures to have a correct estimate */
|
|
is->audio_diff_avg_count++;
|
|
} else {
|
|
/* estimate the A-V difference */
|
|
avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
|
|
|
|
if (fabs(avg_diff) >= is->audio_diff_threshold) {
|
|
wanted_nb_samples = nb_samples + (int)(diff * is->audio_src.freq);
|
|
min_nb_samples = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX) / 100));
|
|
max_nb_samples = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX) / 100));
|
|
wanted_nb_samples = av_clip(wanted_nb_samples, min_nb_samples, max_nb_samples);
|
|
}
|
|
av_log(NULL, AV_LOG_TRACE, "diff=%f adiff=%f sample_diff=%d apts=%0.3f %f\n",
|
|
diff, avg_diff, wanted_nb_samples - nb_samples,
|
|
is->audio_clock, is->audio_diff_threshold);
|
|
}
|
|
} else {
|
|
/* too big difference : may be initial PTS errors, so
|
|
reset A-V filter */
|
|
is->audio_diff_avg_count = 0;
|
|
is->audio_diff_cum = 0;
|
|
}
|
|
}
|
|
|
|
return wanted_nb_samples;
|
|
}
|
|
|
|
/**
|
|
* Decode one audio frame and return its uncompressed size.
|
|
*
|
|
* The processed audio frame is decoded, converted if required, and
|
|
* stored in is->audio_buf, with size in bytes given by the return
|
|
* value.
|
|
*/
|
|
static int audio_decode_frame(VideoState *is)
|
|
{
|
|
int data_size, resampled_data_size;
|
|
av_unused double audio_clock0;
|
|
int wanted_nb_samples;
|
|
Frame *af;
|
|
|
|
if (is->paused)
|
|
return -1;
|
|
|
|
do {
|
|
#if defined(_WIN32)
|
|
while (frame_queue_nb_remaining(&is->sampq) == 0) {
|
|
if ((av_gettime_relative() - audio_callback_time) > 1000000LL * is->audio_hw_buf_size / is->audio_tgt.bytes_per_sec / 2)
|
|
return -1;
|
|
av_usleep (1000);
|
|
}
|
|
#endif
|
|
if (!(af = frame_queue_peek_readable(&is->sampq)))
|
|
return -1;
|
|
frame_queue_next(&is->sampq);
|
|
} while (af->serial != is->audioq.serial);
|
|
|
|
data_size = av_samples_get_buffer_size(NULL, af->frame->ch_layout.nb_channels,
|
|
af->frame->nb_samples,
|
|
af->frame->format, 1);
|
|
|
|
wanted_nb_samples = synchronize_audio(is, af->frame->nb_samples);
|
|
|
|
if (af->frame->format != is->audio_src.fmt ||
|
|
av_channel_layout_compare(&af->frame->ch_layout, &is->audio_src.ch_layout) ||
|
|
af->frame->sample_rate != is->audio_src.freq ||
|
|
(wanted_nb_samples != af->frame->nb_samples && !is->swr_ctx)) {
|
|
swr_free(&is->swr_ctx);
|
|
swr_alloc_set_opts2(&is->swr_ctx,
|
|
&is->audio_tgt.ch_layout, is->audio_tgt.fmt, is->audio_tgt.freq,
|
|
&af->frame->ch_layout, af->frame->format, af->frame->sample_rate,
|
|
0, NULL);
|
|
if (!is->swr_ctx || swr_init(is->swr_ctx) < 0) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"Cannot create sample rate converter for conversion of %d Hz %s %d channels to %d Hz %s %d channels!\n",
|
|
af->frame->sample_rate, av_get_sample_fmt_name(af->frame->format), af->frame->ch_layout.nb_channels,
|
|
is->audio_tgt.freq, av_get_sample_fmt_name(is->audio_tgt.fmt), is->audio_tgt.ch_layout.nb_channels);
|
|
swr_free(&is->swr_ctx);
|
|
return -1;
|
|
}
|
|
if (av_channel_layout_copy(&is->audio_src.ch_layout, &af->frame->ch_layout) < 0)
|
|
return -1;
|
|
is->audio_src.freq = af->frame->sample_rate;
|
|
is->audio_src.fmt = af->frame->format;
|
|
}
|
|
|
|
if (is->swr_ctx) {
|
|
const uint8_t **in = (const uint8_t **)af->frame->extended_data;
|
|
uint8_t **out = &is->audio_buf1;
|
|
int out_count = (int64_t)wanted_nb_samples * is->audio_tgt.freq / af->frame->sample_rate + 256;
|
|
int out_size = av_samples_get_buffer_size(NULL, is->audio_tgt.ch_layout.nb_channels, out_count, is->audio_tgt.fmt, 0);
|
|
int len2;
|
|
if (out_size < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "av_samples_get_buffer_size() failed\n");
|
|
return -1;
|
|
}
|
|
if (wanted_nb_samples != af->frame->nb_samples) {
|
|
if (swr_set_compensation(is->swr_ctx, (wanted_nb_samples - af->frame->nb_samples) * is->audio_tgt.freq / af->frame->sample_rate,
|
|
wanted_nb_samples * is->audio_tgt.freq / af->frame->sample_rate) < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "swr_set_compensation() failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
av_fast_malloc(&is->audio_buf1, &is->audio_buf1_size, out_size);
|
|
if (!is->audio_buf1)
|
|
return AVERROR(ENOMEM);
|
|
len2 = swr_convert(is->swr_ctx, out, out_count, in, af->frame->nb_samples);
|
|
if (len2 < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "swr_convert() failed\n");
|
|
return -1;
|
|
}
|
|
if (len2 == out_count) {
|
|
av_log(NULL, AV_LOG_WARNING, "audio buffer is probably too small\n");
|
|
if (swr_init(is->swr_ctx) < 0)
|
|
swr_free(&is->swr_ctx);
|
|
}
|
|
is->audio_buf = is->audio_buf1;
|
|
resampled_data_size = len2 * is->audio_tgt.ch_layout.nb_channels * av_get_bytes_per_sample(is->audio_tgt.fmt);
|
|
} else {
|
|
is->audio_buf = af->frame->data[0];
|
|
resampled_data_size = data_size;
|
|
}
|
|
|
|
audio_clock0 = is->audio_clock;
|
|
/* update the audio clock with the pts */
|
|
if (!isnan(af->pts))
|
|
is->audio_clock = af->pts + (double) af->frame->nb_samples / af->frame->sample_rate;
|
|
else
|
|
is->audio_clock = NAN;
|
|
is->audio_clock_serial = af->serial;
|
|
#ifdef DEBUG
|
|
{
|
|
static double last_clock;
|
|
printf("audio: delay=%0.3f clock=%0.3f clock0=%0.3f\n",
|
|
is->audio_clock - last_clock,
|
|
is->audio_clock, audio_clock0);
|
|
last_clock = is->audio_clock;
|
|
}
|
|
#endif
|
|
return resampled_data_size;
|
|
}
|
|
|
|
/* prepare a new audio buffer */
|
|
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
|
|
{
|
|
VideoState *is = opaque;
|
|
int audio_size, len1;
|
|
|
|
audio_callback_time = av_gettime_relative();
|
|
|
|
while (len > 0) {
|
|
if (is->audio_buf_index >= is->audio_buf_size) {
|
|
audio_size = audio_decode_frame(is);
|
|
if (audio_size < 0) {
|
|
/* if error, just output silence */
|
|
is->audio_buf = NULL;
|
|
is->audio_buf_size = SDL_AUDIO_MIN_BUFFER_SIZE / is->audio_tgt.frame_size * is->audio_tgt.frame_size;
|
|
} else {
|
|
if (is->show_mode != SHOW_MODE_VIDEO)
|
|
update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
|
|
is->audio_buf_size = audio_size;
|
|
}
|
|
is->audio_buf_index = 0;
|
|
}
|
|
len1 = is->audio_buf_size - is->audio_buf_index;
|
|
if (len1 > len)
|
|
len1 = len;
|
|
if (!is->muted && is->audio_buf && is->audio_volume == SDL_MIX_MAXVOLUME)
|
|
memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
|
|
else {
|
|
memset(stream, 0, len1);
|
|
if (!is->muted && is->audio_buf)
|
|
SDL_MixAudioFormat(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, AUDIO_S16SYS, len1, is->audio_volume);
|
|
}
|
|
len -= len1;
|
|
stream += len1;
|
|
is->audio_buf_index += len1;
|
|
}
|
|
is->audio_write_buf_size = is->audio_buf_size - is->audio_buf_index;
|
|
/* Let's assume the audio driver that is used by SDL has two periods. */
|
|
if (!isnan(is->audio_clock)) {
|
|
set_clock_at(&is->audclk, is->audio_clock - (double)(2 * is->audio_hw_buf_size + is->audio_write_buf_size) / is->audio_tgt.bytes_per_sec, is->audio_clock_serial, audio_callback_time / 1000000.0);
|
|
sync_clock_to_slave(&is->extclk, &is->audclk);
|
|
}
|
|
}
|
|
|
|
static int audio_open(void *opaque, AVChannelLayout *wanted_channel_layout, int wanted_sample_rate, struct AudioParams *audio_hw_params)
|
|
{
|
|
SDL_AudioSpec wanted_spec, spec;
|
|
const char *env;
|
|
static const int next_nb_channels[] = {0, 0, 1, 6, 2, 6, 4, 6};
|
|
static const int next_sample_rates[] = {0, 44100, 48000, 96000, 192000};
|
|
int next_sample_rate_idx = FF_ARRAY_ELEMS(next_sample_rates) - 1;
|
|
int wanted_nb_channels = wanted_channel_layout->nb_channels;
|
|
|
|
env = SDL_getenv("SDL_AUDIO_CHANNELS");
|
|
if (env) {
|
|
wanted_nb_channels = atoi(env);
|
|
av_channel_layout_uninit(wanted_channel_layout);
|
|
av_channel_layout_default(wanted_channel_layout, wanted_nb_channels);
|
|
}
|
|
if (wanted_channel_layout->order != AV_CHANNEL_ORDER_NATIVE) {
|
|
av_channel_layout_uninit(wanted_channel_layout);
|
|
av_channel_layout_default(wanted_channel_layout, wanted_nb_channels);
|
|
}
|
|
wanted_nb_channels = wanted_channel_layout->nb_channels;
|
|
wanted_spec.channels = wanted_nb_channels;
|
|
wanted_spec.freq = wanted_sample_rate;
|
|
if (wanted_spec.freq <= 0 || wanted_spec.channels <= 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Invalid sample rate or channel count!\n");
|
|
return -1;
|
|
}
|
|
while (next_sample_rate_idx && next_sample_rates[next_sample_rate_idx] >= wanted_spec.freq)
|
|
next_sample_rate_idx--;
|
|
wanted_spec.format = AUDIO_S16SYS;
|
|
wanted_spec.silence = 0;
|
|
wanted_spec.samples = FFMAX(SDL_AUDIO_MIN_BUFFER_SIZE, 2 << av_log2(wanted_spec.freq / SDL_AUDIO_MAX_CALLBACKS_PER_SEC));
|
|
wanted_spec.callback = sdl_audio_callback;
|
|
wanted_spec.userdata = opaque;
|
|
while (!(audio_dev = SDL_OpenAudioDevice(NULL, 0, &wanted_spec, &spec, SDL_AUDIO_ALLOW_FREQUENCY_CHANGE | SDL_AUDIO_ALLOW_CHANNELS_CHANGE))) {
|
|
av_log(NULL, AV_LOG_WARNING, "SDL_OpenAudio (%d channels, %d Hz): %s\n",
|
|
wanted_spec.channels, wanted_spec.freq, SDL_GetError());
|
|
wanted_spec.channels = next_nb_channels[FFMIN(7, wanted_spec.channels)];
|
|
if (!wanted_spec.channels) {
|
|
wanted_spec.freq = next_sample_rates[next_sample_rate_idx--];
|
|
wanted_spec.channels = wanted_nb_channels;
|
|
if (!wanted_spec.freq) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"No more combinations to try, audio open failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
av_channel_layout_default(wanted_channel_layout, wanted_spec.channels);
|
|
}
|
|
if (spec.format != AUDIO_S16SYS) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"SDL advised audio format %d is not supported!\n", spec.format);
|
|
return -1;
|
|
}
|
|
if (spec.channels != wanted_spec.channels) {
|
|
av_channel_layout_uninit(wanted_channel_layout);
|
|
av_channel_layout_default(wanted_channel_layout, spec.channels);
|
|
if (wanted_channel_layout->order != AV_CHANNEL_ORDER_NATIVE) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"SDL advised channel count %d is not supported!\n", spec.channels);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
audio_hw_params->fmt = AV_SAMPLE_FMT_S16;
|
|
audio_hw_params->freq = spec.freq;
|
|
if (av_channel_layout_copy(&audio_hw_params->ch_layout, wanted_channel_layout) < 0)
|
|
return -1;
|
|
audio_hw_params->frame_size = av_samples_get_buffer_size(NULL, audio_hw_params->ch_layout.nb_channels, 1, audio_hw_params->fmt, 1);
|
|
audio_hw_params->bytes_per_sec = av_samples_get_buffer_size(NULL, audio_hw_params->ch_layout.nb_channels, audio_hw_params->freq, audio_hw_params->fmt, 1);
|
|
if (audio_hw_params->bytes_per_sec <= 0 || audio_hw_params->frame_size <= 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "av_samples_get_buffer_size failed\n");
|
|
return -1;
|
|
}
|
|
return spec.size;
|
|
}
|
|
|
|
/* open a given stream. Return 0 if OK */
|
|
static int stream_component_open(VideoState *is, int stream_index)
|
|
{
|
|
AVFormatContext *ic = is->ic;
|
|
AVCodecContext *avctx;
|
|
const AVCodec *codec;
|
|
const char *forced_codec_name = NULL;
|
|
AVDictionary *opts = NULL;
|
|
const AVDictionaryEntry *t = NULL;
|
|
int sample_rate;
|
|
AVChannelLayout ch_layout = { 0 };
|
|
int ret = 0;
|
|
int stream_lowres = lowres;
|
|
|
|
if (stream_index < 0 || stream_index >= ic->nb_streams)
|
|
return -1;
|
|
|
|
avctx = avcodec_alloc_context3(NULL);
|
|
if (!avctx)
|
|
return AVERROR(ENOMEM);
|
|
|
|
ret = avcodec_parameters_to_context(avctx, ic->streams[stream_index]->codecpar);
|
|
if (ret < 0)
|
|
goto fail;
|
|
avctx->pkt_timebase = ic->streams[stream_index]->time_base;
|
|
|
|
codec = avcodec_find_decoder(avctx->codec_id);
|
|
|
|
switch(avctx->codec_type){
|
|
case AVMEDIA_TYPE_AUDIO : is->last_audio_stream = stream_index; forced_codec_name = audio_codec_name; break;
|
|
case AVMEDIA_TYPE_SUBTITLE: is->last_subtitle_stream = stream_index; forced_codec_name = subtitle_codec_name; break;
|
|
case AVMEDIA_TYPE_VIDEO : is->last_video_stream = stream_index; forced_codec_name = video_codec_name; break;
|
|
}
|
|
if (forced_codec_name)
|
|
codec = avcodec_find_decoder_by_name(forced_codec_name);
|
|
if (!codec) {
|
|
if (forced_codec_name) av_log(NULL, AV_LOG_WARNING,
|
|
"No codec could be found with name '%s'\n", forced_codec_name);
|
|
else av_log(NULL, AV_LOG_WARNING,
|
|
"No decoder could be found for codec %s\n", avcodec_get_name(avctx->codec_id));
|
|
ret = AVERROR(EINVAL);
|
|
goto fail;
|
|
}
|
|
|
|
avctx->codec_id = codec->id;
|
|
if (stream_lowres > codec->max_lowres) {
|
|
av_log(avctx, AV_LOG_WARNING, "The maximum value for lowres supported by the decoder is %d\n",
|
|
codec->max_lowres);
|
|
stream_lowres = codec->max_lowres;
|
|
}
|
|
avctx->lowres = stream_lowres;
|
|
|
|
if (fast)
|
|
avctx->flags2 |= AV_CODEC_FLAG2_FAST;
|
|
|
|
ret = filter_codec_opts(codec_opts, avctx->codec_id, ic,
|
|
ic->streams[stream_index], codec, &opts);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
if (!av_dict_get(opts, "threads", NULL, 0))
|
|
av_dict_set(&opts, "threads", "auto", 0);
|
|
if (stream_lowres)
|
|
av_dict_set_int(&opts, "lowres", stream_lowres, 0);
|
|
|
|
av_dict_set(&opts, "flags", "+copy_opaque", AV_DICT_MULTIKEY);
|
|
|
|
if ((ret = avcodec_open2(avctx, codec, &opts)) < 0) {
|
|
goto fail;
|
|
}
|
|
if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
|
|
av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
|
|
ret = AVERROR_OPTION_NOT_FOUND;
|
|
goto fail;
|
|
}
|
|
|
|
is->eof = 0;
|
|
ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
|
|
switch (avctx->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
{
|
|
AVFilterContext *sink;
|
|
|
|
is->audio_filter_src.freq = avctx->sample_rate;
|
|
ret = av_channel_layout_copy(&is->audio_filter_src.ch_layout, &avctx->ch_layout);
|
|
if (ret < 0)
|
|
goto fail;
|
|
is->audio_filter_src.fmt = avctx->sample_fmt;
|
|
if ((ret = configure_audio_filters(is, afilters, 0)) < 0)
|
|
goto fail;
|
|
sink = is->out_audio_filter;
|
|
sample_rate = av_buffersink_get_sample_rate(sink);
|
|
ret = av_buffersink_get_ch_layout(sink, &ch_layout);
|
|
if (ret < 0)
|
|
goto fail;
|
|
}
|
|
|
|
/* prepare audio output */
|
|
if ((ret = audio_open(is, &ch_layout, sample_rate, &is->audio_tgt)) < 0)
|
|
goto fail;
|
|
is->audio_hw_buf_size = ret;
|
|
is->audio_src = is->audio_tgt;
|
|
is->audio_buf_size = 0;
|
|
is->audio_buf_index = 0;
|
|
|
|
/* init averaging filter */
|
|
is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
|
|
is->audio_diff_avg_count = 0;
|
|
/* since we do not have a precise anough audio FIFO fullness,
|
|
we correct audio sync only if larger than this threshold */
|
|
is->audio_diff_threshold = (double)(is->audio_hw_buf_size) / is->audio_tgt.bytes_per_sec;
|
|
|
|
is->audio_stream = stream_index;
|
|
is->audio_st = ic->streams[stream_index];
|
|
|
|
if ((ret = decoder_init(&is->auddec, avctx, &is->audioq, is->continue_read_thread)) < 0)
|
|
goto fail;
|
|
if (is->ic->iformat->flags & AVFMT_NOTIMESTAMPS) {
|
|
is->auddec.start_pts = is->audio_st->start_time;
|
|
is->auddec.start_pts_tb = is->audio_st->time_base;
|
|
}
|
|
if ((ret = decoder_start(&is->auddec, audio_thread, "audio_decoder", is)) < 0)
|
|
goto out;
|
|
SDL_PauseAudioDevice(audio_dev, 0);
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
is->video_stream = stream_index;
|
|
is->video_st = ic->streams[stream_index];
|
|
|
|
if ((ret = decoder_init(&is->viddec, avctx, &is->videoq, is->continue_read_thread)) < 0)
|
|
goto fail;
|
|
if ((ret = decoder_start(&is->viddec, video_thread, "video_decoder", is)) < 0)
|
|
goto out;
|
|
is->queue_attachments_req = 1;
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
is->subtitle_stream = stream_index;
|
|
is->subtitle_st = ic->streams[stream_index];
|
|
|
|
if ((ret = decoder_init(&is->subdec, avctx, &is->subtitleq, is->continue_read_thread)) < 0)
|
|
goto fail;
|
|
if ((ret = decoder_start(&is->subdec, subtitle_thread, "subtitle_decoder", is)) < 0)
|
|
goto out;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
goto out;
|
|
|
|
fail:
|
|
avcodec_free_context(&avctx);
|
|
out:
|
|
av_channel_layout_uninit(&ch_layout);
|
|
av_dict_free(&opts);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int decode_interrupt_cb(void *ctx)
|
|
{
|
|
VideoState *is = ctx;
|
|
return is->abort_request;
|
|
}
|
|
|
|
static int stream_has_enough_packets(AVStream *st, int stream_id, PacketQueue *queue) {
|
|
return stream_id < 0 ||
|
|
queue->abort_request ||
|
|
(st->disposition & AV_DISPOSITION_ATTACHED_PIC) ||
|
|
queue->nb_packets > MIN_FRAMES && (!queue->duration || av_q2d(st->time_base) * queue->duration > 1.0);
|
|
}
|
|
|
|
static int is_realtime(AVFormatContext *s)
|
|
{
|
|
if( !strcmp(s->iformat->name, "rtp")
|
|
|| !strcmp(s->iformat->name, "rtsp")
|
|
|| !strcmp(s->iformat->name, "sdp")
|
|
)
|
|
return 1;
|
|
|
|
if(s->pb && ( !strncmp(s->url, "rtp:", 4)
|
|
|| !strncmp(s->url, "udp:", 4)
|
|
)
|
|
)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
/* this thread gets the stream from the disk or the network */
|
|
static int read_thread(void *arg)
|
|
{
|
|
VideoState *is = arg;
|
|
AVFormatContext *ic = NULL;
|
|
int err, i, ret;
|
|
int st_index[AVMEDIA_TYPE_NB];
|
|
AVPacket *pkt = NULL;
|
|
int64_t stream_start_time;
|
|
int pkt_in_play_range = 0;
|
|
const AVDictionaryEntry *t;
|
|
SDL_mutex *wait_mutex = SDL_CreateMutex();
|
|
int scan_all_pmts_set = 0;
|
|
int64_t pkt_ts;
|
|
|
|
if (!wait_mutex) {
|
|
av_log(NULL, AV_LOG_FATAL, "SDL_CreateMutex(): %s\n", SDL_GetError());
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
memset(st_index, -1, sizeof(st_index));
|
|
is->eof = 0;
|
|
|
|
pkt = av_packet_alloc();
|
|
if (!pkt) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate packet.\n");
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
ic = avformat_alloc_context();
|
|
if (!ic) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate context.\n");
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
ic->interrupt_callback.callback = decode_interrupt_cb;
|
|
ic->interrupt_callback.opaque = is;
|
|
if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
|
|
av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
|
|
scan_all_pmts_set = 1;
|
|
}
|
|
err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
|
|
if (err < 0) {
|
|
print_error(is->filename, err);
|
|
ret = -1;
|
|
goto fail;
|
|
}
|
|
if (scan_all_pmts_set)
|
|
av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
|
|
|
|
if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
|
|
av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
|
|
ret = AVERROR_OPTION_NOT_FOUND;
|
|
goto fail;
|
|
}
|
|
is->ic = ic;
|
|
|
|
if (genpts)
|
|
ic->flags |= AVFMT_FLAG_GENPTS;
|
|
|
|
av_format_inject_global_side_data(ic);
|
|
|
|
if (find_stream_info) {
|
|
AVDictionary **opts;
|
|
int orig_nb_streams = ic->nb_streams;
|
|
|
|
err = setup_find_stream_info_opts(ic, codec_opts, &opts);
|
|
if (err < 0) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"Error setting up avformat_find_stream_info() options\n");
|
|
ret = err;
|
|
goto fail;
|
|
}
|
|
|
|
err = avformat_find_stream_info(ic, opts);
|
|
|
|
for (i = 0; i < orig_nb_streams; i++)
|
|
av_dict_free(&opts[i]);
|
|
av_freep(&opts);
|
|
|
|
if (err < 0) {
|
|
av_log(NULL, AV_LOG_WARNING,
|
|
"%s: could not find codec parameters\n", is->filename);
|
|
ret = -1;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (ic->pb)
|
|
ic->pb->eof_reached = 0; // FIXME hack, ffplay maybe should not use avio_feof() to test for the end
|
|
|
|
if (seek_by_bytes < 0)
|
|
seek_by_bytes = !(ic->iformat->flags & AVFMT_NO_BYTE_SEEK) &&
|
|
!!(ic->iformat->flags & AVFMT_TS_DISCONT) &&
|
|
strcmp("ogg", ic->iformat->name);
|
|
|
|
is->max_frame_duration = (ic->iformat->flags & AVFMT_TS_DISCONT) ? 10.0 : 3600.0;
|
|
|
|
if (!window_title && (t = av_dict_get(ic->metadata, "title", NULL, 0)))
|
|
window_title = av_asprintf("%s - %s", t->value, input_filename);
|
|
|
|
/* if seeking requested, we execute it */
|
|
if (start_time != AV_NOPTS_VALUE) {
|
|
int64_t timestamp;
|
|
|
|
timestamp = start_time;
|
|
/* add the stream start time */
|
|
if (ic->start_time != AV_NOPTS_VALUE)
|
|
timestamp += ic->start_time;
|
|
ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
|
|
is->filename, (double)timestamp / AV_TIME_BASE);
|
|
}
|
|
}
|
|
|
|
is->realtime = is_realtime(ic);
|
|
|
|
if (show_status)
|
|
av_dump_format(ic, 0, is->filename, 0);
|
|
|
|
for (i = 0; i < ic->nb_streams; i++) {
|
|
AVStream *st = ic->streams[i];
|
|
enum AVMediaType type = st->codecpar->codec_type;
|
|
st->discard = AVDISCARD_ALL;
|
|
if (type >= 0 && wanted_stream_spec[type] && st_index[type] == -1)
|
|
if (avformat_match_stream_specifier(ic, st, wanted_stream_spec[type]) > 0)
|
|
st_index[type] = i;
|
|
}
|
|
for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
|
|
if (wanted_stream_spec[i] && st_index[i] == -1) {
|
|
av_log(NULL, AV_LOG_ERROR, "Stream specifier %s does not match any %s stream\n", wanted_stream_spec[i], av_get_media_type_string(i));
|
|
st_index[i] = INT_MAX;
|
|
}
|
|
}
|
|
|
|
if (!video_disable)
|
|
st_index[AVMEDIA_TYPE_VIDEO] =
|
|
av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
|
|
st_index[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
|
|
if (!audio_disable)
|
|
st_index[AVMEDIA_TYPE_AUDIO] =
|
|
av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
|
|
st_index[AVMEDIA_TYPE_AUDIO],
|
|
st_index[AVMEDIA_TYPE_VIDEO],
|
|
NULL, 0);
|
|
if (!video_disable && !subtitle_disable)
|
|
st_index[AVMEDIA_TYPE_SUBTITLE] =
|
|
av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
|
|
st_index[AVMEDIA_TYPE_SUBTITLE],
|
|
(st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
|
|
st_index[AVMEDIA_TYPE_AUDIO] :
|
|
st_index[AVMEDIA_TYPE_VIDEO]),
|
|
NULL, 0);
|
|
|
|
is->show_mode = show_mode;
|
|
if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
|
|
AVStream *st = ic->streams[st_index[AVMEDIA_TYPE_VIDEO]];
|
|
AVCodecParameters *codecpar = st->codecpar;
|
|
AVRational sar = av_guess_sample_aspect_ratio(ic, st, NULL);
|
|
if (codecpar->width)
|
|
set_default_window_size(codecpar->width, codecpar->height, sar);
|
|
}
|
|
|
|
/* open the streams */
|
|
if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
|
|
stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
|
|
}
|
|
|
|
ret = -1;
|
|
if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
|
|
ret = stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
|
|
}
|
|
if (is->show_mode == SHOW_MODE_NONE)
|
|
is->show_mode = ret >= 0 ? SHOW_MODE_VIDEO : SHOW_MODE_RDFT;
|
|
|
|
if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
|
|
stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
|
|
}
|
|
|
|
if (is->video_stream < 0 && is->audio_stream < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Failed to open file '%s' or configure filtergraph\n",
|
|
is->filename);
|
|
ret = -1;
|
|
goto fail;
|
|
}
|
|
|
|
if (infinite_buffer < 0 && is->realtime)
|
|
infinite_buffer = 1;
|
|
|
|
for (;;) {
|
|
if (is->abort_request)
|
|
break;
|
|
if (is->paused != is->last_paused) {
|
|
is->last_paused = is->paused;
|
|
if (is->paused)
|
|
is->read_pause_return = av_read_pause(ic);
|
|
else
|
|
av_read_play(ic);
|
|
}
|
|
#if CONFIG_RTSP_DEMUXER || CONFIG_MMSH_PROTOCOL
|
|
if (is->paused &&
|
|
(!strcmp(ic->iformat->name, "rtsp") ||
|
|
(ic->pb && !strncmp(input_filename, "mmsh:", 5)))) {
|
|
/* wait 10 ms to avoid trying to get another packet */
|
|
/* XXX: horrible */
|
|
SDL_Delay(10);
|
|
continue;
|
|
}
|
|
#endif
|
|
if (is->seek_req) {
|
|
int64_t seek_target = is->seek_pos;
|
|
int64_t seek_min = is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
|
|
int64_t seek_max = is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
|
|
// FIXME the +-2 is due to rounding being not done in the correct direction in generation
|
|
// of the seek_pos/seek_rel variables
|
|
|
|
ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"%s: error while seeking\n", is->ic->url);
|
|
} else {
|
|
if (is->audio_stream >= 0)
|
|
packet_queue_flush(&is->audioq);
|
|
if (is->subtitle_stream >= 0)
|
|
packet_queue_flush(&is->subtitleq);
|
|
if (is->video_stream >= 0)
|
|
packet_queue_flush(&is->videoq);
|
|
if (is->seek_flags & AVSEEK_FLAG_BYTE) {
|
|
set_clock(&is->extclk, NAN, 0);
|
|
} else {
|
|
set_clock(&is->extclk, seek_target / (double)AV_TIME_BASE, 0);
|
|
}
|
|
}
|
|
is->seek_req = 0;
|
|
is->queue_attachments_req = 1;
|
|
is->eof = 0;
|
|
if (is->paused)
|
|
step_to_next_frame(is);
|
|
}
|
|
if (is->queue_attachments_req) {
|
|
if (is->video_st && is->video_st->disposition & AV_DISPOSITION_ATTACHED_PIC) {
|
|
if ((ret = av_packet_ref(pkt, &is->video_st->attached_pic)) < 0)
|
|
goto fail;
|
|
packet_queue_put(&is->videoq, pkt);
|
|
packet_queue_put_nullpacket(&is->videoq, pkt, is->video_stream);
|
|
}
|
|
is->queue_attachments_req = 0;
|
|
}
|
|
|
|
/* if the queue are full, no need to read more */
|
|
if (infinite_buffer<1 &&
|
|
(is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
|
|
|| (stream_has_enough_packets(is->audio_st, is->audio_stream, &is->audioq) &&
|
|
stream_has_enough_packets(is->video_st, is->video_stream, &is->videoq) &&
|
|
stream_has_enough_packets(is->subtitle_st, is->subtitle_stream, &is->subtitleq)))) {
|
|
/* wait 10 ms */
|
|
SDL_LockMutex(wait_mutex);
|
|
SDL_CondWaitTimeout(is->continue_read_thread, wait_mutex, 10);
|
|
SDL_UnlockMutex(wait_mutex);
|
|
continue;
|
|
}
|
|
if (!is->paused &&
|
|
(!is->audio_st || (is->auddec.finished == is->audioq.serial && frame_queue_nb_remaining(&is->sampq) == 0)) &&
|
|
(!is->video_st || (is->viddec.finished == is->videoq.serial && frame_queue_nb_remaining(&is->pictq) == 0))) {
|
|
if (loop != 1 && (!loop || --loop)) {
|
|
stream_seek(is, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
|
|
} else if (autoexit) {
|
|
ret = AVERROR_EOF;
|
|
goto fail;
|
|
}
|
|
}
|
|
ret = av_read_frame(ic, pkt);
|
|
if (ret < 0) {
|
|
if ((ret == AVERROR_EOF || avio_feof(ic->pb)) && !is->eof) {
|
|
if (is->video_stream >= 0)
|
|
packet_queue_put_nullpacket(&is->videoq, pkt, is->video_stream);
|
|
if (is->audio_stream >= 0)
|
|
packet_queue_put_nullpacket(&is->audioq, pkt, is->audio_stream);
|
|
if (is->subtitle_stream >= 0)
|
|
packet_queue_put_nullpacket(&is->subtitleq, pkt, is->subtitle_stream);
|
|
is->eof = 1;
|
|
}
|
|
if (ic->pb && ic->pb->error) {
|
|
if (autoexit)
|
|
goto fail;
|
|
else
|
|
break;
|
|
}
|
|
SDL_LockMutex(wait_mutex);
|
|
SDL_CondWaitTimeout(is->continue_read_thread, wait_mutex, 10);
|
|
SDL_UnlockMutex(wait_mutex);
|
|
continue;
|
|
} else {
|
|
is->eof = 0;
|
|
}
|
|
/* check if packet is in play range specified by user, then queue, otherwise discard */
|
|
stream_start_time = ic->streams[pkt->stream_index]->start_time;
|
|
pkt_ts = pkt->pts == AV_NOPTS_VALUE ? pkt->dts : pkt->pts;
|
|
pkt_in_play_range = duration == AV_NOPTS_VALUE ||
|
|
(pkt_ts - (stream_start_time != AV_NOPTS_VALUE ? stream_start_time : 0)) *
|
|
av_q2d(ic->streams[pkt->stream_index]->time_base) -
|
|
(double)(start_time != AV_NOPTS_VALUE ? start_time : 0) / 1000000
|
|
<= ((double)duration / 1000000);
|
|
if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
|
|
packet_queue_put(&is->audioq, pkt);
|
|
} else if (pkt->stream_index == is->video_stream && pkt_in_play_range
|
|
&& !(is->video_st->disposition & AV_DISPOSITION_ATTACHED_PIC)) {
|
|
packet_queue_put(&is->videoq, pkt);
|
|
} else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
|
|
packet_queue_put(&is->subtitleq, pkt);
|
|
} else {
|
|
av_packet_unref(pkt);
|
|
}
|
|
}
|
|
|
|
ret = 0;
|
|
fail:
|
|
if (ic && !is->ic)
|
|
avformat_close_input(&ic);
|
|
|
|
av_packet_free(&pkt);
|
|
if (ret != 0) {
|
|
SDL_Event event;
|
|
|
|
event.type = FF_QUIT_EVENT;
|
|
event.user.data1 = is;
|
|
SDL_PushEvent(&event);
|
|
}
|
|
SDL_DestroyMutex(wait_mutex);
|
|
return 0;
|
|
}
|
|
|
|
static VideoState *stream_open(const char *filename,
|
|
const AVInputFormat *iformat)
|
|
{
|
|
VideoState *is;
|
|
|
|
is = av_mallocz(sizeof(VideoState));
|
|
if (!is)
|
|
return NULL;
|
|
is->last_video_stream = is->video_stream = -1;
|
|
is->last_audio_stream = is->audio_stream = -1;
|
|
is->last_subtitle_stream = is->subtitle_stream = -1;
|
|
is->filename = av_strdup(filename);
|
|
if (!is->filename)
|
|
goto fail;
|
|
is->iformat = iformat;
|
|
is->ytop = 0;
|
|
is->xleft = 0;
|
|
|
|
/* start video display */
|
|
if (frame_queue_init(&is->pictq, &is->videoq, VIDEO_PICTURE_QUEUE_SIZE, 1) < 0)
|
|
goto fail;
|
|
if (frame_queue_init(&is->subpq, &is->subtitleq, SUBPICTURE_QUEUE_SIZE, 0) < 0)
|
|
goto fail;
|
|
if (frame_queue_init(&is->sampq, &is->audioq, SAMPLE_QUEUE_SIZE, 1) < 0)
|
|
goto fail;
|
|
|
|
if (packet_queue_init(&is->videoq) < 0 ||
|
|
packet_queue_init(&is->audioq) < 0 ||
|
|
packet_queue_init(&is->subtitleq) < 0)
|
|
goto fail;
|
|
|
|
if (!(is->continue_read_thread = SDL_CreateCond())) {
|
|
av_log(NULL, AV_LOG_FATAL, "SDL_CreateCond(): %s\n", SDL_GetError());
|
|
goto fail;
|
|
}
|
|
|
|
init_clock(&is->vidclk, &is->videoq.serial);
|
|
init_clock(&is->audclk, &is->audioq.serial);
|
|
init_clock(&is->extclk, &is->extclk.serial);
|
|
is->audio_clock_serial = -1;
|
|
if (startup_volume < 0)
|
|
av_log(NULL, AV_LOG_WARNING, "-volume=%d < 0, setting to 0\n", startup_volume);
|
|
if (startup_volume > 100)
|
|
av_log(NULL, AV_LOG_WARNING, "-volume=%d > 100, setting to 100\n", startup_volume);
|
|
startup_volume = av_clip(startup_volume, 0, 100);
|
|
startup_volume = av_clip(SDL_MIX_MAXVOLUME * startup_volume / 100, 0, SDL_MIX_MAXVOLUME);
|
|
is->audio_volume = startup_volume;
|
|
is->muted = 0;
|
|
is->av_sync_type = av_sync_type;
|
|
is->read_tid = SDL_CreateThread(read_thread, "read_thread", is);
|
|
if (!is->read_tid) {
|
|
av_log(NULL, AV_LOG_FATAL, "SDL_CreateThread(): %s\n", SDL_GetError());
|
|
fail:
|
|
stream_close(is);
|
|
return NULL;
|
|
}
|
|
return is;
|
|
}
|
|
|
|
static void stream_cycle_channel(VideoState *is, int codec_type)
|
|
{
|
|
AVFormatContext *ic = is->ic;
|
|
int start_index, stream_index;
|
|
int old_index;
|
|
AVStream *st;
|
|
AVProgram *p = NULL;
|
|
int nb_streams = is->ic->nb_streams;
|
|
|
|
if (codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
start_index = is->last_video_stream;
|
|
old_index = is->video_stream;
|
|
} else if (codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
start_index = is->last_audio_stream;
|
|
old_index = is->audio_stream;
|
|
} else {
|
|
start_index = is->last_subtitle_stream;
|
|
old_index = is->subtitle_stream;
|
|
}
|
|
stream_index = start_index;
|
|
|
|
if (codec_type != AVMEDIA_TYPE_VIDEO && is->video_stream != -1) {
|
|
p = av_find_program_from_stream(ic, NULL, is->video_stream);
|
|
if (p) {
|
|
nb_streams = p->nb_stream_indexes;
|
|
for (start_index = 0; start_index < nb_streams; start_index++)
|
|
if (p->stream_index[start_index] == stream_index)
|
|
break;
|
|
if (start_index == nb_streams)
|
|
start_index = -1;
|
|
stream_index = start_index;
|
|
}
|
|
}
|
|
|
|
for (;;) {
|
|
if (++stream_index >= nb_streams)
|
|
{
|
|
if (codec_type == AVMEDIA_TYPE_SUBTITLE)
|
|
{
|
|
stream_index = -1;
|
|
is->last_subtitle_stream = -1;
|
|
goto the_end;
|
|
}
|
|
if (start_index == -1)
|
|
return;
|
|
stream_index = 0;
|
|
}
|
|
if (stream_index == start_index)
|
|
return;
|
|
st = is->ic->streams[p ? p->stream_index[stream_index] : stream_index];
|
|
if (st->codecpar->codec_type == codec_type) {
|
|
/* check that parameters are OK */
|
|
switch (codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
if (st->codecpar->sample_rate != 0 &&
|
|
st->codecpar->ch_layout.nb_channels != 0)
|
|
goto the_end;
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
goto the_end;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
the_end:
|
|
if (p && stream_index != -1)
|
|
stream_index = p->stream_index[stream_index];
|
|
av_log(NULL, AV_LOG_INFO, "Switch %s stream from #%d to #%d\n",
|
|
av_get_media_type_string(codec_type),
|
|
old_index,
|
|
stream_index);
|
|
|
|
stream_component_close(is, old_index);
|
|
stream_component_open(is, stream_index);
|
|
}
|
|
|
|
|
|
static void toggle_full_screen(VideoState *is)
|
|
{
|
|
is_full_screen = !is_full_screen;
|
|
SDL_SetWindowFullscreen(window, is_full_screen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
|
|
}
|
|
|
|
static void toggle_audio_display(VideoState *is)
|
|
{
|
|
int next = is->show_mode;
|
|
do {
|
|
next = (next + 1) % SHOW_MODE_NB;
|
|
} while (next != is->show_mode && (next == SHOW_MODE_VIDEO && !is->video_st || next != SHOW_MODE_VIDEO && !is->audio_st));
|
|
if (is->show_mode != next) {
|
|
is->force_refresh = 1;
|
|
is->show_mode = next;
|
|
}
|
|
}
|
|
|
|
static void refresh_loop_wait_event(VideoState *is, SDL_Event *event) {
|
|
double remaining_time = 0.0;
|
|
SDL_PumpEvents();
|
|
while (!SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT)) {
|
|
if (!cursor_hidden && av_gettime_relative() - cursor_last_shown > CURSOR_HIDE_DELAY) {
|
|
SDL_ShowCursor(0);
|
|
cursor_hidden = 1;
|
|
}
|
|
if (remaining_time > 0.0)
|
|
av_usleep((int64_t)(remaining_time * 1000000.0));
|
|
remaining_time = REFRESH_RATE;
|
|
if (is->show_mode != SHOW_MODE_NONE && (!is->paused || is->force_refresh))
|
|
video_refresh(is, &remaining_time);
|
|
SDL_PumpEvents();
|
|
}
|
|
}
|
|
|
|
static void seek_chapter(VideoState *is, int incr)
|
|
{
|
|
int64_t pos = get_master_clock(is) * AV_TIME_BASE;
|
|
int i;
|
|
|
|
if (!is->ic->nb_chapters)
|
|
return;
|
|
|
|
/* find the current chapter */
|
|
for (i = 0; i < is->ic->nb_chapters; i++) {
|
|
AVChapter *ch = is->ic->chapters[i];
|
|
if (av_compare_ts(pos, AV_TIME_BASE_Q, ch->start, ch->time_base) < 0) {
|
|
i--;
|
|
break;
|
|
}
|
|
}
|
|
|
|
i += incr;
|
|
i = FFMAX(i, 0);
|
|
if (i >= is->ic->nb_chapters)
|
|
return;
|
|
|
|
av_log(NULL, AV_LOG_VERBOSE, "Seeking to chapter %d.\n", i);
|
|
stream_seek(is, av_rescale_q(is->ic->chapters[i]->start, is->ic->chapters[i]->time_base,
|
|
AV_TIME_BASE_Q), 0, 0);
|
|
}
|
|
|
|
/* handle an event sent by the GUI */
|
|
static void event_loop(VideoState *cur_stream)
|
|
{
|
|
SDL_Event event;
|
|
double incr, pos, frac;
|
|
|
|
for (;;) {
|
|
double x;
|
|
refresh_loop_wait_event(cur_stream, &event);
|
|
switch (event.type) {
|
|
case SDL_KEYDOWN:
|
|
if (exit_on_keydown || event.key.keysym.sym == SDLK_ESCAPE || event.key.keysym.sym == SDLK_q) {
|
|
do_exit(cur_stream);
|
|
break;
|
|
}
|
|
// If we don't yet have a window, skip all key events, because read_thread might still be initializing...
|
|
if (!cur_stream->width)
|
|
continue;
|
|
switch (event.key.keysym.sym) {
|
|
case SDLK_f:
|
|
toggle_full_screen(cur_stream);
|
|
cur_stream->force_refresh = 1;
|
|
break;
|
|
case SDLK_p:
|
|
case SDLK_SPACE:
|
|
toggle_pause(cur_stream);
|
|
break;
|
|
case SDLK_m:
|
|
toggle_mute(cur_stream);
|
|
break;
|
|
case SDLK_KP_MULTIPLY:
|
|
case SDLK_0:
|
|
update_volume(cur_stream, 1, SDL_VOLUME_STEP);
|
|
break;
|
|
case SDLK_KP_DIVIDE:
|
|
case SDLK_9:
|
|
update_volume(cur_stream, -1, SDL_VOLUME_STEP);
|
|
break;
|
|
case SDLK_s: // S: Step to next frame
|
|
step_to_next_frame(cur_stream);
|
|
break;
|
|
case SDLK_a:
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
|
|
break;
|
|
case SDLK_v:
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
|
|
break;
|
|
case SDLK_c:
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
|
|
break;
|
|
case SDLK_t:
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
|
|
break;
|
|
case SDLK_w:
|
|
if (cur_stream->show_mode == SHOW_MODE_VIDEO && cur_stream->vfilter_idx < nb_vfilters - 1) {
|
|
if (++cur_stream->vfilter_idx >= nb_vfilters)
|
|
cur_stream->vfilter_idx = 0;
|
|
} else {
|
|
cur_stream->vfilter_idx = 0;
|
|
toggle_audio_display(cur_stream);
|
|
}
|
|
break;
|
|
case SDLK_PAGEUP:
|
|
if (cur_stream->ic->nb_chapters <= 1) {
|
|
incr = 600.0;
|
|
goto do_seek;
|
|
}
|
|
seek_chapter(cur_stream, 1);
|
|
break;
|
|
case SDLK_PAGEDOWN:
|
|
if (cur_stream->ic->nb_chapters <= 1) {
|
|
incr = -600.0;
|
|
goto do_seek;
|
|
}
|
|
seek_chapter(cur_stream, -1);
|
|
break;
|
|
case SDLK_LEFT:
|
|
incr = seek_interval ? -seek_interval : -10.0;
|
|
goto do_seek;
|
|
case SDLK_RIGHT:
|
|
incr = seek_interval ? seek_interval : 10.0;
|
|
goto do_seek;
|
|
case SDLK_UP:
|
|
incr = 60.0;
|
|
goto do_seek;
|
|
case SDLK_DOWN:
|
|
incr = -60.0;
|
|
do_seek:
|
|
if (seek_by_bytes) {
|
|
pos = -1;
|
|
if (pos < 0 && cur_stream->video_stream >= 0)
|
|
pos = frame_queue_last_pos(&cur_stream->pictq);
|
|
if (pos < 0 && cur_stream->audio_stream >= 0)
|
|
pos = frame_queue_last_pos(&cur_stream->sampq);
|
|
if (pos < 0)
|
|
pos = avio_tell(cur_stream->ic->pb);
|
|
if (cur_stream->ic->bit_rate)
|
|
incr *= cur_stream->ic->bit_rate / 8.0;
|
|
else
|
|
incr *= 180000.0;
|
|
pos += incr;
|
|
stream_seek(cur_stream, pos, incr, 1);
|
|
} else {
|
|
pos = get_master_clock(cur_stream);
|
|
if (isnan(pos))
|
|
pos = (double)cur_stream->seek_pos / AV_TIME_BASE;
|
|
pos += incr;
|
|
if (cur_stream->ic->start_time != AV_NOPTS_VALUE && pos < cur_stream->ic->start_time / (double)AV_TIME_BASE)
|
|
pos = cur_stream->ic->start_time / (double)AV_TIME_BASE;
|
|
stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
if (exit_on_mousedown) {
|
|
do_exit(cur_stream);
|
|
break;
|
|
}
|
|
if (event.button.button == SDL_BUTTON_LEFT) {
|
|
static int64_t last_mouse_left_click = 0;
|
|
if (av_gettime_relative() - last_mouse_left_click <= 500000) {
|
|
toggle_full_screen(cur_stream);
|
|
cur_stream->force_refresh = 1;
|
|
last_mouse_left_click = 0;
|
|
} else {
|
|
last_mouse_left_click = av_gettime_relative();
|
|
}
|
|
}
|
|
case SDL_MOUSEMOTION:
|
|
if (cursor_hidden) {
|
|
SDL_ShowCursor(1);
|
|
cursor_hidden = 0;
|
|
}
|
|
cursor_last_shown = av_gettime_relative();
|
|
if (event.type == SDL_MOUSEBUTTONDOWN) {
|
|
if (event.button.button != SDL_BUTTON_RIGHT)
|
|
break;
|
|
x = event.button.x;
|
|
} else {
|
|
if (!(event.motion.state & SDL_BUTTON_RMASK))
|
|
break;
|
|
x = event.motion.x;
|
|
}
|
|
if (seek_by_bytes || cur_stream->ic->duration <= 0) {
|
|
uint64_t size = avio_size(cur_stream->ic->pb);
|
|
stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
|
|
} else {
|
|
int64_t ts;
|
|
int ns, hh, mm, ss;
|
|
int tns, thh, tmm, tss;
|
|
tns = cur_stream->ic->duration / 1000000LL;
|
|
thh = tns / 3600;
|
|
tmm = (tns % 3600) / 60;
|
|
tss = (tns % 60);
|
|
frac = x / cur_stream->width;
|
|
ns = frac * tns;
|
|
hh = ns / 3600;
|
|
mm = (ns % 3600) / 60;
|
|
ss = (ns % 60);
|
|
av_log(NULL, AV_LOG_INFO,
|
|
"Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
|
|
hh, mm, ss, thh, tmm, tss);
|
|
ts = frac * cur_stream->ic->duration;
|
|
if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
|
|
ts += cur_stream->ic->start_time;
|
|
stream_seek(cur_stream, ts, 0, 0);
|
|
}
|
|
break;
|
|
case SDL_WINDOWEVENT:
|
|
switch (event.window.event) {
|
|
case SDL_WINDOWEVENT_SIZE_CHANGED:
|
|
screen_width = cur_stream->width = event.window.data1;
|
|
screen_height = cur_stream->height = event.window.data2;
|
|
if (cur_stream->vis_texture) {
|
|
SDL_DestroyTexture(cur_stream->vis_texture);
|
|
cur_stream->vis_texture = NULL;
|
|
}
|
|
case SDL_WINDOWEVENT_EXPOSED:
|
|
cur_stream->force_refresh = 1;
|
|
}
|
|
break;
|
|
case SDL_QUIT:
|
|
case FF_QUIT_EVENT:
|
|
do_exit(cur_stream);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int opt_width(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
double num;
|
|
int ret = parse_number(opt, arg, OPT_INT64, 1, INT_MAX, &num);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
screen_width = num;
|
|
return 0;
|
|
}
|
|
|
|
static int opt_height(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
double num;
|
|
int ret = parse_number(opt, arg, OPT_INT64, 1, INT_MAX, &num);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
screen_height = num;
|
|
return 0;
|
|
}
|
|
|
|
static int opt_format(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
file_iformat = av_find_input_format(arg);
|
|
if (!file_iformat) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown input format: %s\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int opt_sync(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
if (!strcmp(arg, "audio"))
|
|
av_sync_type = AV_SYNC_AUDIO_MASTER;
|
|
else if (!strcmp(arg, "video"))
|
|
av_sync_type = AV_SYNC_VIDEO_MASTER;
|
|
else if (!strcmp(arg, "ext"))
|
|
av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
|
|
else {
|
|
av_log(NULL, AV_LOG_ERROR, "Unknown value for %s: %s\n", opt, arg);
|
|
exit(1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int opt_show_mode(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
show_mode = !strcmp(arg, "video") ? SHOW_MODE_VIDEO :
|
|
!strcmp(arg, "waves") ? SHOW_MODE_WAVES :
|
|
!strcmp(arg, "rdft" ) ? SHOW_MODE_RDFT : SHOW_MODE_NONE;
|
|
|
|
if (show_mode == SHOW_MODE_NONE) {
|
|
double num;
|
|
int ret = parse_number(opt, arg, OPT_INT, 0, SHOW_MODE_NB-1, &num);
|
|
if (ret < 0)
|
|
return ret;
|
|
show_mode = num;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int opt_input_file(void *optctx, const char *filename)
|
|
{
|
|
if (input_filename) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Argument '%s' provided as input filename, but '%s' was already specified.\n",
|
|
filename, input_filename);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (!strcmp(filename, "-"))
|
|
filename = "fd:";
|
|
input_filename = filename;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int opt_codec(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
const char *spec = strchr(opt, ':');
|
|
if (!spec) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"No media specifier was specified in '%s' in option '%s'\n",
|
|
arg, opt);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
spec++;
|
|
switch (spec[0]) {
|
|
case 'a' : audio_codec_name = arg; break;
|
|
case 's' : subtitle_codec_name = arg; break;
|
|
case 'v' : video_codec_name = arg; break;
|
|
default:
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"Invalid media specifier '%s' in option '%s'\n", spec, opt);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int dummy;
|
|
|
|
static const OptionDef options[] = {
|
|
CMDUTILS_COMMON_OPTIONS
|
|
{ "x", HAS_ARG, { .func_arg = opt_width }, "force displayed width", "width" },
|
|
{ "y", HAS_ARG, { .func_arg = opt_height }, "force displayed height", "height" },
|
|
{ "fs", OPT_BOOL, { &is_full_screen }, "force full screen" },
|
|
{ "an", OPT_BOOL, { &audio_disable }, "disable audio" },
|
|
{ "vn", OPT_BOOL, { &video_disable }, "disable video" },
|
|
{ "sn", OPT_BOOL, { &subtitle_disable }, "disable subtitling" },
|
|
{ "ast", OPT_STRING | HAS_ARG | OPT_EXPERT, { &wanted_stream_spec[AVMEDIA_TYPE_AUDIO] }, "select desired audio stream", "stream_specifier" },
|
|
{ "vst", OPT_STRING | HAS_ARG | OPT_EXPERT, { &wanted_stream_spec[AVMEDIA_TYPE_VIDEO] }, "select desired video stream", "stream_specifier" },
|
|
{ "sst", OPT_STRING | HAS_ARG | OPT_EXPERT, { &wanted_stream_spec[AVMEDIA_TYPE_SUBTITLE] }, "select desired subtitle stream", "stream_specifier" },
|
|
{ "ss", HAS_ARG | OPT_TIME, { &start_time }, "seek to a given position in seconds", "pos" },
|
|
{ "t", HAS_ARG | OPT_TIME, { &duration }, "play \"duration\" seconds of audio/video", "duration" },
|
|
{ "bytes", OPT_INT | HAS_ARG, { &seek_by_bytes }, "seek by bytes 0=off 1=on -1=auto", "val" },
|
|
{ "seek_interval", OPT_FLOAT | HAS_ARG, { &seek_interval }, "set seek interval for left/right keys, in seconds", "seconds" },
|
|
{ "nodisp", OPT_BOOL, { &display_disable }, "disable graphical display" },
|
|
{ "noborder", OPT_BOOL, { &borderless }, "borderless window" },
|
|
{ "alwaysontop", OPT_BOOL, { &alwaysontop }, "window always on top" },
|
|
{ "volume", OPT_INT | HAS_ARG, { &startup_volume}, "set startup volume 0=min 100=max", "volume" },
|
|
{ "f", HAS_ARG, { .func_arg = opt_format }, "force format", "fmt" },
|
|
{ "stats", OPT_BOOL | OPT_EXPERT, { &show_status }, "show status", "" },
|
|
{ "fast", OPT_BOOL | OPT_EXPERT, { &fast }, "non spec compliant optimizations", "" },
|
|
{ "genpts", OPT_BOOL | OPT_EXPERT, { &genpts }, "generate pts", "" },
|
|
{ "drp", OPT_INT | HAS_ARG | OPT_EXPERT, { &decoder_reorder_pts }, "let decoder reorder pts 0=off 1=on -1=auto", ""},
|
|
{ "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, { &lowres }, "", "" },
|
|
{ "sync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_sync }, "set audio-video sync. type (type=audio/video/ext)", "type" },
|
|
{ "autoexit", OPT_BOOL | OPT_EXPERT, { &autoexit }, "exit at the end", "" },
|
|
{ "exitonkeydown", OPT_BOOL | OPT_EXPERT, { &exit_on_keydown }, "exit on key down", "" },
|
|
{ "exitonmousedown", OPT_BOOL | OPT_EXPERT, { &exit_on_mousedown }, "exit on mouse down", "" },
|
|
{ "loop", OPT_INT | HAS_ARG | OPT_EXPERT, { &loop }, "set number of times the playback shall be looped", "loop count" },
|
|
{ "framedrop", OPT_BOOL | OPT_EXPERT, { &framedrop }, "drop frames when cpu is too slow", "" },
|
|
{ "infbuf", OPT_BOOL | OPT_EXPERT, { &infinite_buffer }, "don't limit the input buffer size (useful with realtime streams)", "" },
|
|
{ "window_title", OPT_STRING | HAS_ARG, { &window_title }, "set window title", "window title" },
|
|
{ "left", OPT_INT | HAS_ARG | OPT_EXPERT, { &screen_left }, "set the x position for the left of the window", "x pos" },
|
|
{ "top", OPT_INT | HAS_ARG | OPT_EXPERT, { &screen_top }, "set the y position for the top of the window", "y pos" },
|
|
{ "vf", OPT_EXPERT | HAS_ARG, { .func_arg = opt_add_vfilter }, "set video filters", "filter_graph" },
|
|
{ "af", OPT_STRING | HAS_ARG, { &afilters }, "set audio filters", "filter_graph" },
|
|
{ "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { &rdftspeed }, "rdft speed", "msecs" },
|
|
{ "showmode", HAS_ARG, { .func_arg = opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
|
|
{ "i", OPT_BOOL, { &dummy}, "read specified file", "input_file"},
|
|
{ "codec", HAS_ARG, { .func_arg = opt_codec}, "force decoder", "decoder_name" },
|
|
{ "acodec", HAS_ARG | OPT_STRING | OPT_EXPERT, { &audio_codec_name }, "force audio decoder", "decoder_name" },
|
|
{ "scodec", HAS_ARG | OPT_STRING | OPT_EXPERT, { &subtitle_codec_name }, "force subtitle decoder", "decoder_name" },
|
|
{ "vcodec", HAS_ARG | OPT_STRING | OPT_EXPERT, { &video_codec_name }, "force video decoder", "decoder_name" },
|
|
{ "autorotate", OPT_BOOL, { &autorotate }, "automatically rotate video", "" },
|
|
{ "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
|
|
"read and decode the streams to fill missing information with heuristics" },
|
|
{ "filter_threads", HAS_ARG | OPT_INT | OPT_EXPERT, { &filter_nbthreads }, "number of filter threads per graph" },
|
|
{ NULL, },
|
|
};
|
|
|
|
static void show_usage(void)
|
|
{
|
|
av_log(NULL, AV_LOG_INFO, "Simple media player\n");
|
|
av_log(NULL, AV_LOG_INFO, "usage: %s [options] input_file\n", program_name);
|
|
av_log(NULL, AV_LOG_INFO, "\n");
|
|
}
|
|
|
|
void show_help_default(const char *opt, const char *arg)
|
|
{
|
|
av_log_set_callback(log_callback_help);
|
|
show_usage();
|
|
show_help_options(options, "Main options:", 0, OPT_EXPERT, 0);
|
|
show_help_options(options, "Advanced options:", OPT_EXPERT, 0, 0);
|
|
printf("\n");
|
|
show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
|
|
show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
|
|
show_help_children(avfilter_get_class(), AV_OPT_FLAG_FILTERING_PARAM);
|
|
printf("\nWhile playing:\n"
|
|
"q, ESC quit\n"
|
|
"f toggle full screen\n"
|
|
"p, SPC pause\n"
|
|
"m toggle mute\n"
|
|
"9, 0 decrease and increase volume respectively\n"
|
|
"/, * decrease and increase volume respectively\n"
|
|
"a cycle audio channel in the current program\n"
|
|
"v cycle video channel\n"
|
|
"t cycle subtitle channel in the current program\n"
|
|
"c cycle program\n"
|
|
"w cycle video filters or show modes\n"
|
|
"s activate frame-step mode\n"
|
|
"left/right seek backward/forward 10 seconds or to custom interval if -seek_interval is set\n"
|
|
"down/up seek backward/forward 1 minute\n"
|
|
"page down/page up seek backward/forward 10 minutes\n"
|
|
"right mouse click seek to percentage in file corresponding to fraction of width\n"
|
|
"left double-click toggle full screen\n"
|
|
);
|
|
}
|
|
|
|
/* Called from the main */
|
|
int main(int argc, char **argv)
|
|
{
|
|
int flags, ret;
|
|
VideoState *is;
|
|
|
|
init_dynload();
|
|
|
|
av_log_set_flags(AV_LOG_SKIP_REPEATED);
|
|
parse_loglevel(argc, argv, options);
|
|
|
|
/* register all codecs, demux and protocols */
|
|
#if CONFIG_AVDEVICE
|
|
avdevice_register_all();
|
|
#endif
|
|
avformat_network_init();
|
|
|
|
signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
|
|
signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
|
|
|
|
show_banner(argc, argv, options);
|
|
|
|
ret = parse_options(NULL, argc, argv, options, opt_input_file);
|
|
if (ret < 0)
|
|
exit(ret == AVERROR_EXIT ? 0 : 1);
|
|
|
|
if (!input_filename) {
|
|
show_usage();
|
|
av_log(NULL, AV_LOG_FATAL, "An input file must be specified\n");
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Use -h to get full help or, even better, run 'man %s'\n", program_name);
|
|
exit(1);
|
|
}
|
|
|
|
if (display_disable) {
|
|
video_disable = 1;
|
|
}
|
|
flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
|
|
if (audio_disable)
|
|
flags &= ~SDL_INIT_AUDIO;
|
|
else {
|
|
/* Try to work around an occasional ALSA buffer underflow issue when the
|
|
* period size is NPOT due to ALSA resampling by forcing the buffer size. */
|
|
if (!SDL_getenv("SDL_AUDIO_ALSA_SET_BUFFER_SIZE"))
|
|
SDL_setenv("SDL_AUDIO_ALSA_SET_BUFFER_SIZE","1", 1);
|
|
}
|
|
if (display_disable)
|
|
flags &= ~SDL_INIT_VIDEO;
|
|
if (SDL_Init (flags)) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not initialize SDL - %s\n", SDL_GetError());
|
|
av_log(NULL, AV_LOG_FATAL, "(Did you set the DISPLAY variable?)\n");
|
|
exit(1);
|
|
}
|
|
|
|
SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
|
|
SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
|
|
|
|
if (!display_disable) {
|
|
int flags = SDL_WINDOW_HIDDEN;
|
|
if (alwaysontop)
|
|
#if SDL_VERSION_ATLEAST(2,0,5)
|
|
flags |= SDL_WINDOW_ALWAYS_ON_TOP;
|
|
#else
|
|
av_log(NULL, AV_LOG_WARNING, "Your SDL version doesn't support SDL_WINDOW_ALWAYS_ON_TOP. Feature will be inactive.\n");
|
|
#endif
|
|
if (borderless)
|
|
flags |= SDL_WINDOW_BORDERLESS;
|
|
else
|
|
flags |= SDL_WINDOW_RESIZABLE;
|
|
|
|
#ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR
|
|
SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0");
|
|
#endif
|
|
window = SDL_CreateWindow(program_name, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, default_width, default_height, flags);
|
|
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
|
|
if (window) {
|
|
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
|
|
if (!renderer) {
|
|
av_log(NULL, AV_LOG_WARNING, "Failed to initialize a hardware accelerated renderer: %s\n", SDL_GetError());
|
|
renderer = SDL_CreateRenderer(window, -1, 0);
|
|
}
|
|
if (renderer) {
|
|
if (!SDL_GetRendererInfo(renderer, &renderer_info))
|
|
av_log(NULL, AV_LOG_VERBOSE, "Initialized %s renderer.\n", renderer_info.name);
|
|
}
|
|
}
|
|
if (!window || !renderer || !renderer_info.num_texture_formats) {
|
|
av_log(NULL, AV_LOG_FATAL, "Failed to create window or renderer: %s", SDL_GetError());
|
|
do_exit(NULL);
|
|
}
|
|
}
|
|
|
|
is = stream_open(input_filename, file_iformat);
|
|
if (!is) {
|
|
av_log(NULL, AV_LOG_FATAL, "Failed to initialize VideoState!\n");
|
|
do_exit(NULL);
|
|
}
|
|
|
|
event_loop(is);
|
|
|
|
/* never returns */
|
|
|
|
return 0;
|
|
}
|