864 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			864 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * JPEG 2000 encoding support via OpenJPEG
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 * Copyright (c) 2011 Michael Bradshaw <mjbshaw gmail com>
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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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 * JPEG 2000 encoder using libopenjpeg
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 */
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#define  OPJ_STATIC
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#include "libavutil/avassert.h"
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#include "libavutil/common.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/opt.h"
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#include "avcodec.h"
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#include "internal.h"
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#if HAVE_OPENJPEG_2_1_OPENJPEG_H
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#  include <openjpeg-2.1/openjpeg.h>
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#elif HAVE_OPENJPEG_2_0_OPENJPEG_H
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#  include <openjpeg-2.0/openjpeg.h>
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#elif HAVE_OPENJPEG_1_5_OPENJPEG_H
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#  include <openjpeg-1.5/openjpeg.h>
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#else
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#  include <openjpeg.h>
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#endif
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#if HAVE_OPENJPEG_2_1_OPENJPEG_H || HAVE_OPENJPEG_2_0_OPENJPEG_H
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#  define OPENJPEG_MAJOR_VERSION 2
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#  define OPJ(x) OPJ_##x
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#else
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#  define OPENJPEG_MAJOR_VERSION 1
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#  define OPJ(x) x
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#endif
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typedef struct LibOpenJPEGContext {
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    AVClass *avclass;
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    opj_image_t *image;
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    opj_cparameters_t enc_params;
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#if OPENJPEG_MAJOR_VERSION == 1
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    opj_event_mgr_t event_mgr;
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#endif // OPENJPEG_MAJOR_VERSION == 1
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    int format;
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    int profile;
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    int prog_order;
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    int cinema_mode;
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    int numresolution;
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    int numlayers;
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    int disto_alloc;
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    int fixed_alloc;
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    int fixed_quality;
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} LibOpenJPEGContext;
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static void error_callback(const char *msg, void *data)
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{
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    av_log(data, AV_LOG_ERROR, "%s\n", msg);
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}
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static void warning_callback(const char *msg, void *data)
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{
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    av_log(data, AV_LOG_WARNING, "%s\n", msg);
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}
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static void info_callback(const char *msg, void *data)
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{
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    av_log(data, AV_LOG_DEBUG, "%s\n", msg);
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}
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#if OPENJPEG_MAJOR_VERSION == 2
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typedef struct PacketWriter {
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    int pos;
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    AVPacket *packet;
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} PacketWriter;
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static OPJ_SIZE_T stream_write(void *out_buffer, OPJ_SIZE_T nb_bytes, void *user_data)
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{
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    PacketWriter *writer = user_data;
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    AVPacket *packet = writer->packet;
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    int remaining = packet->size - writer->pos;
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    if (nb_bytes > remaining) {
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        OPJ_SIZE_T needed = nb_bytes - remaining;
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        int max_growth = INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - packet->size;
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        if (needed > max_growth) {
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            return (OPJ_SIZE_T)-1;
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        }
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        if (av_grow_packet(packet, (int)needed)) {
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            return (OPJ_SIZE_T)-1;
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        }
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    }
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    memcpy(packet->data + writer->pos, out_buffer, nb_bytes);
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    writer->pos += (int)nb_bytes;
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    return nb_bytes;
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}
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static OPJ_OFF_T stream_skip(OPJ_OFF_T nb_bytes, void *user_data)
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{
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    PacketWriter *writer = user_data;
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    AVPacket *packet = writer->packet;
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    if (nb_bytes < 0) {
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        if (writer->pos == 0) {
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            return (OPJ_SIZE_T)-1;
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        }
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        if (nb_bytes + writer->pos < 0) {
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            nb_bytes = -writer->pos;
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        }
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    } else {
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        int remaining = packet->size - writer->pos;
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        if (nb_bytes > remaining) {
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            OPJ_SIZE_T needed = nb_bytes - remaining;
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            int max_growth = INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - packet->size;
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            if (needed > max_growth) {
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                return (OPJ_SIZE_T)-1;
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            }
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            if (av_grow_packet(packet, (int)needed)) {
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                return (OPJ_SIZE_T)-1;
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            }
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        }
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    }
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    writer->pos += (int)nb_bytes;
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    return nb_bytes;
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}
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static OPJ_BOOL stream_seek(OPJ_OFF_T nb_bytes, void *user_data)
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{
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    PacketWriter *writer = user_data;
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    AVPacket *packet = writer->packet;
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    if (nb_bytes < 0) {
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        return OPJ_FALSE;
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    }
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    if (nb_bytes > packet->size) {
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        if (nb_bytes > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE ||
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            av_grow_packet(packet, (int)nb_bytes - packet->size)) {
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            return OPJ_FALSE;
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        }
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    }
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    writer->pos = (int)nb_bytes;
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    return OPJ_TRUE;
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}
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#endif // OPENJPEG_MAJOR_VERSION == 2
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static void cinema_parameters(opj_cparameters_t *p)
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{
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    p->tile_size_on = 0;
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    p->cp_tdx = 1;
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    p->cp_tdy = 1;
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    /* Tile part */
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    p->tp_flag = 'C';
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    p->tp_on = 1;
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    /* Tile and Image shall be at (0, 0) */
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    p->cp_tx0 = 0;
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    p->cp_ty0 = 0;
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    p->image_offset_x0 = 0;
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    p->image_offset_y0 = 0;
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    /* Codeblock size= 32 * 32 */
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    p->cblockw_init = 32;
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    p->cblockh_init = 32;
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    p->csty |= 0x01;
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    /* The progression order shall be CPRL */
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    p->prog_order = OPJ(CPRL);
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    /* No ROI */
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    p->roi_compno = -1;
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    /* No subsampling */
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    p->subsampling_dx = 1;
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    p->subsampling_dy = 1;
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    /* 9-7 transform */
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    p->irreversible = 1;
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    p->tcp_mct = 1;
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}
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static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *parameters)
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{
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    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
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    opj_image_cmptparm_t cmptparm[4] = {{0}};
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    opj_image_t *img;
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    int i;
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    int sub_dx[4];
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    int sub_dy[4];
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    int numcomps;
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    OPJ_COLOR_SPACE color_space = OPJ(CLRSPC_UNKNOWN);
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    sub_dx[0] = sub_dx[3] = 1;
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    sub_dy[0] = sub_dy[3] = 1;
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    sub_dx[1] = sub_dx[2] = 1 << desc->log2_chroma_w;
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    sub_dy[1] = sub_dy[2] = 1 << desc->log2_chroma_h;
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    numcomps = desc->nb_components;
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    switch (avctx->pix_fmt) {
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    case AV_PIX_FMT_GRAY8:
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    case AV_PIX_FMT_YA8:
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    case AV_PIX_FMT_GRAY16:
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    case AV_PIX_FMT_YA16:
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        color_space = OPJ(CLRSPC_GRAY);
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        break;
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    case AV_PIX_FMT_RGB24:
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    case AV_PIX_FMT_RGBA:
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    case AV_PIX_FMT_RGB48:
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    case AV_PIX_FMT_RGBA64:
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    case AV_PIX_FMT_GBR24P:
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    case AV_PIX_FMT_GBRP9:
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    case AV_PIX_FMT_GBRP10:
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    case AV_PIX_FMT_GBRP12:
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    case AV_PIX_FMT_GBRP14:
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    case AV_PIX_FMT_GBRP16:
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    case AV_PIX_FMT_XYZ12:
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        color_space = OPJ(CLRSPC_SRGB);
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        break;
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    case AV_PIX_FMT_YUV410P:
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    case AV_PIX_FMT_YUV411P:
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    case AV_PIX_FMT_YUV420P:
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    case AV_PIX_FMT_YUV422P:
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    case AV_PIX_FMT_YUV440P:
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    case AV_PIX_FMT_YUV444P:
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    case AV_PIX_FMT_YUVA420P:
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    case AV_PIX_FMT_YUVA422P:
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    case AV_PIX_FMT_YUVA444P:
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    case AV_PIX_FMT_YUV420P9:
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    case AV_PIX_FMT_YUV422P9:
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    case AV_PIX_FMT_YUV444P9:
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    case AV_PIX_FMT_YUVA420P9:
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    case AV_PIX_FMT_YUVA422P9:
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    case AV_PIX_FMT_YUVA444P9:
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    case AV_PIX_FMT_YUV420P10:
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    case AV_PIX_FMT_YUV422P10:
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    case AV_PIX_FMT_YUV444P10:
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    case AV_PIX_FMT_YUVA420P10:
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    case AV_PIX_FMT_YUVA422P10:
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    case AV_PIX_FMT_YUVA444P10:
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    case AV_PIX_FMT_YUV420P12:
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    case AV_PIX_FMT_YUV422P12:
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    case AV_PIX_FMT_YUV444P12:
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    case AV_PIX_FMT_YUV420P14:
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    case AV_PIX_FMT_YUV422P14:
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    case AV_PIX_FMT_YUV444P14:
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    case AV_PIX_FMT_YUV420P16:
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    case AV_PIX_FMT_YUV422P16:
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    case AV_PIX_FMT_YUV444P16:
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    case AV_PIX_FMT_YUVA420P16:
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    case AV_PIX_FMT_YUVA422P16:
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    case AV_PIX_FMT_YUVA444P16:
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        color_space = OPJ(CLRSPC_SYCC);
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        break;
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    default:
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        av_log(avctx, AV_LOG_ERROR,
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               "The requested pixel format '%s' is not supported\n",
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               av_get_pix_fmt_name(avctx->pix_fmt));
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        return NULL;
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    }
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    for (i = 0; i < numcomps; i++) {
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        cmptparm[i].prec = desc->comp[i].depth;
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        cmptparm[i].bpp  = desc->comp[i].depth;
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        cmptparm[i].sgnd = 0;
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        cmptparm[i].dx = sub_dx[i];
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        cmptparm[i].dy = sub_dy[i];
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        cmptparm[i].w = (avctx->width + sub_dx[i] - 1) / sub_dx[i];
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        cmptparm[i].h = (avctx->height + sub_dy[i] - 1) / sub_dy[i];
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    }
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    img = opj_image_create(numcomps, cmptparm, color_space);
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    if (!img)
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        return NULL;
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    // x0, y0 is the top left corner of the image
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    // x1, y1 is the width, height of the reference grid
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    img->x0 = 0;
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    img->y0 = 0;
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    img->x1 = (avctx->width  - 1) * parameters->subsampling_dx + 1;
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    img->y1 = (avctx->height - 1) * parameters->subsampling_dy + 1;
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    return img;
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}
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static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)
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{
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    LibOpenJPEGContext *ctx = avctx->priv_data;
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    int err = 0;
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    opj_set_default_encoder_parameters(&ctx->enc_params);
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#if HAVE_OPENJPEG_2_1_OPENJPEG_H
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    switch (ctx->cinema_mode) {
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    case OPJ_CINEMA2K_24:
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        ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_2K;
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        ctx->enc_params.max_cs_size = OPJ_CINEMA_24_CS;
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        ctx->enc_params.max_comp_size = OPJ_CINEMA_24_COMP;
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        break;
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    case OPJ_CINEMA2K_48:
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        ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_2K;
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        ctx->enc_params.max_cs_size = OPJ_CINEMA_48_CS;
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        ctx->enc_params.max_comp_size = OPJ_CINEMA_48_COMP;
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        break;
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    case OPJ_CINEMA4K_24:
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        ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_4K;
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        ctx->enc_params.max_cs_size = OPJ_CINEMA_24_CS;
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        ctx->enc_params.max_comp_size = OPJ_CINEMA_24_COMP;
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        break;
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    }
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    switch (ctx->profile) {
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    case OPJ_CINEMA2K:
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        if (ctx->enc_params.rsiz == OPJ_PROFILE_CINEMA_4K) {
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            err = AVERROR(EINVAL);
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            break;
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        }
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        ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_2K;
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        break;
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    case OPJ_CINEMA4K:
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        if (ctx->enc_params.rsiz == OPJ_PROFILE_CINEMA_2K) {
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            err = AVERROR(EINVAL);
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            break;
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        }
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        ctx->enc_params.rsiz = OPJ_PROFILE_CINEMA_4K;
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        break;
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    }
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    if (err) {
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        av_log(avctx, AV_LOG_ERROR,
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               "Invalid parameter pairing: cinema_mode and profile conflict.\n");
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        goto fail;
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    }
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#else
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    ctx->enc_params.cp_rsiz = ctx->profile;
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    ctx->enc_params.cp_cinema = ctx->cinema_mode;
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#endif
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    ctx->enc_params.mode = !!avctx->global_quality;
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    ctx->enc_params.prog_order = ctx->prog_order;
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    ctx->enc_params.numresolution = ctx->numresolution;
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    ctx->enc_params.cp_disto_alloc = ctx->disto_alloc;
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    ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc;
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    ctx->enc_params.cp_fixed_quality = ctx->fixed_quality;
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    ctx->enc_params.tcp_numlayers = ctx->numlayers;
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    ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2;
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    if (ctx->cinema_mode > 0) {
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        cinema_parameters(&ctx->enc_params);
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    }
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    ctx->image = mj2_create_image(avctx, &ctx->enc_params);
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    if (!ctx->image) {
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        av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");
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        err = AVERROR(EINVAL);
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        goto fail;
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    }
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    return 0;
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fail:
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    opj_image_destroy(ctx->image);
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    ctx->image = NULL;
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    return err;
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}
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static int libopenjpeg_copy_packed8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
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{
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    int compno;
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    int x;
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    int y;
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						|
    int *image_line;
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						|
    int frame_index;
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    const int numcomps = image->numcomps;
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    for (compno = 0; compno < numcomps; ++compno) {
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        if (image->comps[compno].w > frame->linesize[0] / numcomps) {
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            av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
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            return 0;
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        }
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    }
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    for (compno = 0; compno < numcomps; ++compno) {
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        for (y = 0; y < avctx->height; ++y) {
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            image_line = image->comps[compno].data + y * image->comps[compno].w;
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            frame_index = y * frame->linesize[0] + compno;
 | 
						|
            for (x = 0; x < avctx->width; ++x) {
 | 
						|
                image_line[x] = frame->data[0][frame_index];
 | 
						|
                frame_index += numcomps;
 | 
						|
            }
 | 
						|
            for (; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - 1];
 | 
						|
            }
 | 
						|
        }
 | 
						|
        for (; y < image->comps[compno].h; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            for (x = 0; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - image->comps[compno].w];
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
// for XYZ 12 bit
 | 
						|
static int libopenjpeg_copy_packed12(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
 | 
						|
{
 | 
						|
    int compno;
 | 
						|
    int x, y;
 | 
						|
    int *image_line;
 | 
						|
    int frame_index;
 | 
						|
    const int numcomps  = image->numcomps;
 | 
						|
    uint16_t *frame_ptr = (uint16_t *)frame->data[0];
 | 
						|
 | 
						|
    for (compno = 0; compno < numcomps; ++compno) {
 | 
						|
        if (image->comps[compno].w > frame->linesize[0] / numcomps) {
 | 
						|
            av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    for (compno = 0; compno < numcomps; ++compno) {
 | 
						|
        for (y = 0; y < avctx->height; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            frame_index = y * (frame->linesize[0] / 2) + compno;
 | 
						|
            for (x = 0; x < avctx->width; ++x) {
 | 
						|
                image_line[x] = frame_ptr[frame_index] >> 4;
 | 
						|
                frame_index += numcomps;
 | 
						|
            }
 | 
						|
            for (; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - 1];
 | 
						|
            }
 | 
						|
        }
 | 
						|
        for (; y < image->comps[compno].h; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            for (x = 0; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - image->comps[compno].w];
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
static int libopenjpeg_copy_packed16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
 | 
						|
{
 | 
						|
    int compno;
 | 
						|
    int x;
 | 
						|
    int y;
 | 
						|
    int *image_line;
 | 
						|
    int frame_index;
 | 
						|
    const int numcomps = image->numcomps;
 | 
						|
    uint16_t *frame_ptr = (uint16_t*)frame->data[0];
 | 
						|
 | 
						|
    for (compno = 0; compno < numcomps; ++compno) {
 | 
						|
        if (image->comps[compno].w > frame->linesize[0] / numcomps) {
 | 
						|
            av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    for (compno = 0; compno < numcomps; ++compno) {
 | 
						|
        for (y = 0; y < avctx->height; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            frame_index = y * (frame->linesize[0] / 2) + compno;
 | 
						|
            for (x = 0; x < avctx->width; ++x) {
 | 
						|
                image_line[x] = frame_ptr[frame_index];
 | 
						|
                frame_index += numcomps;
 | 
						|
            }
 | 
						|
            for (; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - 1];
 | 
						|
            }
 | 
						|
        }
 | 
						|
        for (; y < image->comps[compno].h; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            for (x = 0; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - image->comps[compno].w];
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
static int libopenjpeg_copy_unpacked8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
 | 
						|
{
 | 
						|
    int compno;
 | 
						|
    int x;
 | 
						|
    int y;
 | 
						|
    int width;
 | 
						|
    int height;
 | 
						|
    int *image_line;
 | 
						|
    int frame_index;
 | 
						|
    const int numcomps = image->numcomps;
 | 
						|
 | 
						|
    for (compno = 0; compno < numcomps; ++compno) {
 | 
						|
        if (image->comps[compno].w > frame->linesize[compno]) {
 | 
						|
            av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    for (compno = 0; compno < numcomps; ++compno) {
 | 
						|
        width  = avctx->width / image->comps[compno].dx;
 | 
						|
        height = avctx->height / image->comps[compno].dy;
 | 
						|
        for (y = 0; y < height; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            frame_index = y * frame->linesize[compno];
 | 
						|
            for (x = 0; x < width; ++x)
 | 
						|
                image_line[x] = frame->data[compno][frame_index++];
 | 
						|
            for (; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - 1];
 | 
						|
            }
 | 
						|
        }
 | 
						|
        for (; y < image->comps[compno].h; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            for (x = 0; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - image->comps[compno].w];
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
static int libopenjpeg_copy_unpacked16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
 | 
						|
{
 | 
						|
    int compno;
 | 
						|
    int x;
 | 
						|
    int y;
 | 
						|
    int width;
 | 
						|
    int height;
 | 
						|
    int *image_line;
 | 
						|
    int frame_index;
 | 
						|
    const int numcomps = image->numcomps;
 | 
						|
    uint16_t *frame_ptr;
 | 
						|
 | 
						|
    for (compno = 0; compno < numcomps; ++compno) {
 | 
						|
        if (image->comps[compno].w > frame->linesize[compno]) {
 | 
						|
            av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    for (compno = 0; compno < numcomps; ++compno) {
 | 
						|
        width     = avctx->width / image->comps[compno].dx;
 | 
						|
        height    = avctx->height / image->comps[compno].dy;
 | 
						|
        frame_ptr = (uint16_t *)frame->data[compno];
 | 
						|
        for (y = 0; y < height; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            frame_index = y * (frame->linesize[compno] / 2);
 | 
						|
            for (x = 0; x < width; ++x)
 | 
						|
                image_line[x] = frame_ptr[frame_index++];
 | 
						|
            for (; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - 1];
 | 
						|
            }
 | 
						|
        }
 | 
						|
        for (; y < image->comps[compno].h; ++y) {
 | 
						|
            image_line = image->comps[compno].data + y * image->comps[compno].w;
 | 
						|
            for (x = 0; x < image->comps[compno].w; ++x) {
 | 
						|
                image_line[x] = image_line[x - image->comps[compno].w];
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 | 
						|
                                    const AVFrame *frame, int *got_packet)
 | 
						|
{
 | 
						|
    LibOpenJPEGContext *ctx = avctx->priv_data;
 | 
						|
    opj_image_t *image      = ctx->image;
 | 
						|
#if OPENJPEG_MAJOR_VERSION == 1
 | 
						|
    opj_cinfo_t *compress   = NULL;
 | 
						|
    opj_cio_t *stream       = NULL;
 | 
						|
    int len;
 | 
						|
#else // OPENJPEG_MAJOR_VERSION == 2
 | 
						|
    opj_codec_t *compress   = NULL;
 | 
						|
    opj_stream_t *stream    = NULL;
 | 
						|
    PacketWriter writer     = { 0 };
 | 
						|
#endif // OPENJPEG_MAJOR_VERSION == 1
 | 
						|
    int cpyresult = 0;
 | 
						|
    int ret;
 | 
						|
    AVFrame *gbrframe;
 | 
						|
 | 
						|
    switch (avctx->pix_fmt) {
 | 
						|
    case AV_PIX_FMT_RGB24:
 | 
						|
    case AV_PIX_FMT_RGBA:
 | 
						|
    case AV_PIX_FMT_YA8:
 | 
						|
        cpyresult = libopenjpeg_copy_packed8(avctx, frame, image);
 | 
						|
        break;
 | 
						|
    case AV_PIX_FMT_XYZ12:
 | 
						|
        cpyresult = libopenjpeg_copy_packed12(avctx, frame, image);
 | 
						|
        break;
 | 
						|
    case AV_PIX_FMT_RGB48:
 | 
						|
    case AV_PIX_FMT_RGBA64:
 | 
						|
    case AV_PIX_FMT_YA16:
 | 
						|
        cpyresult = libopenjpeg_copy_packed16(avctx, frame, image);
 | 
						|
        break;
 | 
						|
    case AV_PIX_FMT_GBR24P:
 | 
						|
    case AV_PIX_FMT_GBRP9:
 | 
						|
    case AV_PIX_FMT_GBRP10:
 | 
						|
    case AV_PIX_FMT_GBRP12:
 | 
						|
    case AV_PIX_FMT_GBRP14:
 | 
						|
    case AV_PIX_FMT_GBRP16:
 | 
						|
        gbrframe = av_frame_clone(frame);
 | 
						|
        if (!gbrframe)
 | 
						|
            return AVERROR(ENOMEM);
 | 
						|
        gbrframe->data[0] = frame->data[2]; // swap to be rgb
 | 
						|
        gbrframe->data[1] = frame->data[0];
 | 
						|
        gbrframe->data[2] = frame->data[1];
 | 
						|
        gbrframe->linesize[0] = frame->linesize[2];
 | 
						|
        gbrframe->linesize[1] = frame->linesize[0];
 | 
						|
        gbrframe->linesize[2] = frame->linesize[1];
 | 
						|
        if (avctx->pix_fmt == AV_PIX_FMT_GBR24P) {
 | 
						|
            cpyresult = libopenjpeg_copy_unpacked8(avctx, gbrframe, image);
 | 
						|
        } else {
 | 
						|
            cpyresult = libopenjpeg_copy_unpacked16(avctx, gbrframe, image);
 | 
						|
        }
 | 
						|
        av_frame_free(&gbrframe);
 | 
						|
        break;
 | 
						|
    case AV_PIX_FMT_GRAY8:
 | 
						|
    case AV_PIX_FMT_YUV410P:
 | 
						|
    case AV_PIX_FMT_YUV411P:
 | 
						|
    case AV_PIX_FMT_YUV420P:
 | 
						|
    case AV_PIX_FMT_YUV422P:
 | 
						|
    case AV_PIX_FMT_YUV440P:
 | 
						|
    case AV_PIX_FMT_YUV444P:
 | 
						|
    case AV_PIX_FMT_YUVA420P:
 | 
						|
    case AV_PIX_FMT_YUVA422P:
 | 
						|
    case AV_PIX_FMT_YUVA444P:
 | 
						|
        cpyresult = libopenjpeg_copy_unpacked8(avctx, frame, image);
 | 
						|
        break;
 | 
						|
    case AV_PIX_FMT_GRAY16:
 | 
						|
    case AV_PIX_FMT_YUV420P9:
 | 
						|
    case AV_PIX_FMT_YUV422P9:
 | 
						|
    case AV_PIX_FMT_YUV444P9:
 | 
						|
    case AV_PIX_FMT_YUVA420P9:
 | 
						|
    case AV_PIX_FMT_YUVA422P9:
 | 
						|
    case AV_PIX_FMT_YUVA444P9:
 | 
						|
    case AV_PIX_FMT_YUV444P10:
 | 
						|
    case AV_PIX_FMT_YUV422P10:
 | 
						|
    case AV_PIX_FMT_YUV420P10:
 | 
						|
    case AV_PIX_FMT_YUVA444P10:
 | 
						|
    case AV_PIX_FMT_YUVA422P10:
 | 
						|
    case AV_PIX_FMT_YUVA420P10:
 | 
						|
    case AV_PIX_FMT_YUV420P12:
 | 
						|
    case AV_PIX_FMT_YUV422P12:
 | 
						|
    case AV_PIX_FMT_YUV444P12:
 | 
						|
    case AV_PIX_FMT_YUV420P14:
 | 
						|
    case AV_PIX_FMT_YUV422P14:
 | 
						|
    case AV_PIX_FMT_YUV444P14:
 | 
						|
    case AV_PIX_FMT_YUV444P16:
 | 
						|
    case AV_PIX_FMT_YUV422P16:
 | 
						|
    case AV_PIX_FMT_YUV420P16:
 | 
						|
    case AV_PIX_FMT_YUVA444P16:
 | 
						|
    case AV_PIX_FMT_YUVA422P16:
 | 
						|
    case AV_PIX_FMT_YUVA420P16:
 | 
						|
        cpyresult = libopenjpeg_copy_unpacked16(avctx, frame, image);
 | 
						|
        break;
 | 
						|
    default:
 | 
						|
        av_log(avctx, AV_LOG_ERROR,
 | 
						|
               "The frame's pixel format '%s' is not supported\n",
 | 
						|
               av_get_pix_fmt_name(avctx->pix_fmt));
 | 
						|
        return AVERROR(EINVAL);
 | 
						|
        break;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!cpyresult) {
 | 
						|
        av_log(avctx, AV_LOG_ERROR,
 | 
						|
               "Could not copy the frame data to the internal image buffer\n");
 | 
						|
        return -1;
 | 
						|
    }
 | 
						|
 | 
						|
#if OPENJPEG_MAJOR_VERSION == 2
 | 
						|
    if ((ret = ff_alloc_packet2(avctx, pkt, 1024, 0)) < 0) {
 | 
						|
        return ret;
 | 
						|
    }
 | 
						|
#endif // OPENJPEG_MAJOR_VERSION == 2
 | 
						|
 | 
						|
    compress = opj_create_compress(ctx->format);
 | 
						|
    if (!compress) {
 | 
						|
        av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n");
 | 
						|
        ret = AVERROR(ENOMEM);
 | 
						|
        goto done;
 | 
						|
    }
 | 
						|
 | 
						|
#if OPENJPEG_MAJOR_VERSION == 1
 | 
						|
    opj_setup_encoder(compress, &ctx->enc_params, image);
 | 
						|
    stream = opj_cio_open((opj_common_ptr) compress, NULL, 0);
 | 
						|
#else // OPENJPEG_MAJOR_VERSION == 2
 | 
						|
    if (!opj_set_error_handler(compress, error_callback, avctx) ||
 | 
						|
        !opj_set_warning_handler(compress, warning_callback, avctx) ||
 | 
						|
        !opj_set_info_handler(compress, info_callback, avctx)) {
 | 
						|
        av_log(avctx, AV_LOG_ERROR, "Error setting the compressor handlers\n");
 | 
						|
        ret = AVERROR_EXTERNAL;
 | 
						|
        goto done;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!opj_setup_encoder(compress, &ctx->enc_params, image)) {
 | 
						|
        av_log(avctx, AV_LOG_ERROR, "Error setting up the compressor\n");
 | 
						|
        ret = AVERROR_EXTERNAL;
 | 
						|
        goto done;
 | 
						|
    }
 | 
						|
    stream = opj_stream_default_create(OPJ_STREAM_WRITE);
 | 
						|
#endif // OPENJPEG_MAJOR_VERSION == 1
 | 
						|
 | 
						|
    if (!stream) {
 | 
						|
        av_log(avctx, AV_LOG_ERROR, "Error creating the cio stream\n");
 | 
						|
        ret = AVERROR(ENOMEM);
 | 
						|
        goto done;
 | 
						|
    }
 | 
						|
#if OPENJPEG_MAJOR_VERSION == 1
 | 
						|
    memset(&ctx->event_mgr, 0, sizeof(ctx->event_mgr));
 | 
						|
    ctx->event_mgr.info_handler    = info_callback;
 | 
						|
    ctx->event_mgr.error_handler   = error_callback;
 | 
						|
    ctx->event_mgr.warning_handler = warning_callback;
 | 
						|
    opj_set_event_mgr((opj_common_ptr) compress, &ctx->event_mgr, avctx);
 | 
						|
    if (!opj_encode(compress, stream, image, NULL)) {
 | 
						|
        av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n");
 | 
						|
        ret = AVERROR_EXTERNAL;
 | 
						|
        goto done;
 | 
						|
    }
 | 
						|
 | 
						|
    len = cio_tell(stream);
 | 
						|
    if ((ret = ff_alloc_packet2(avctx, pkt, len, 0)) < 0) {
 | 
						|
        goto done;
 | 
						|
    }
 | 
						|
 | 
						|
    memcpy(pkt->data, stream->buffer, len);
 | 
						|
#else // OPENJPEG_MAJOR_VERSION == 2
 | 
						|
    writer.packet = pkt;
 | 
						|
    opj_stream_set_write_function(stream, stream_write);
 | 
						|
    opj_stream_set_skip_function(stream, stream_skip);
 | 
						|
    opj_stream_set_seek_function(stream, stream_seek);
 | 
						|
#if HAVE_OPENJPEG_2_1_OPENJPEG_H
 | 
						|
    opj_stream_set_user_data(stream, &writer, NULL);
 | 
						|
#elif HAVE_OPENJPEG_2_0_OPENJPEG_H
 | 
						|
    opj_stream_set_user_data(stream, &writer);
 | 
						|
#else
 | 
						|
#error Missing call to opj_stream_set_user_data
 | 
						|
#endif
 | 
						|
 | 
						|
    if (!opj_start_compress(compress, ctx->image, stream) ||
 | 
						|
        !opj_encode(compress, stream) ||
 | 
						|
        !opj_end_compress(compress, stream)) {
 | 
						|
        av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n");
 | 
						|
        ret = AVERROR_EXTERNAL;
 | 
						|
        goto done;
 | 
						|
    }
 | 
						|
 | 
						|
    av_shrink_packet(pkt, writer.pos);
 | 
						|
#endif // OPENJPEG_MAJOR_VERSION == 1
 | 
						|
 | 
						|
    pkt->flags |= AV_PKT_FLAG_KEY;
 | 
						|
    *got_packet = 1;
 | 
						|
    ret = 0;
 | 
						|
 | 
						|
done:
 | 
						|
#if OPENJPEG_MAJOR_VERSION == 2
 | 
						|
    opj_stream_destroy(stream);
 | 
						|
    opj_destroy_codec(compress);
 | 
						|
#else
 | 
						|
    opj_cio_close(stream);
 | 
						|
    opj_destroy_compress(compress);
 | 
						|
#endif
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx)
 | 
						|
{
 | 
						|
    LibOpenJPEGContext *ctx = avctx->priv_data;
 | 
						|
 | 
						|
    opj_image_destroy(ctx->image);
 | 
						|
    ctx->image = NULL;
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
#define OFFSET(x) offsetof(LibOpenJPEGContext, x)
 | 
						|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 | 
						|
static const AVOption options[] = {
 | 
						|
    { "format",        "Codec Format",      OFFSET(format),        AV_OPT_TYPE_INT,   { .i64 = OPJ(CODEC_JP2)   }, OPJ(CODEC_J2K), OPJ(CODEC_JP2),   VE, "format"      },
 | 
						|
    { "j2k",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(CODEC_J2K)   }, 0,         0,           VE, "format"      },
 | 
						|
    { "jp2",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(CODEC_JP2)   }, 0,         0,           VE, "format"      },
 | 
						|
    { "profile",       NULL,                OFFSET(profile),       AV_OPT_TYPE_INT,   { .i64 = OPJ(STD_RSIZ)    }, OPJ(STD_RSIZ),  OPJ(CINEMA4K),    VE, "profile"     },
 | 
						|
    { "jpeg2000",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(STD_RSIZ)    }, 0,         0,           VE, "profile"     },
 | 
						|
    { "cinema2k",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(CINEMA2K)    }, 0,         0,           VE, "profile"     },
 | 
						|
    { "cinema4k",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(CINEMA4K)    }, 0,         0,           VE, "profile"     },
 | 
						|
    { "cinema_mode",   "Digital Cinema",    OFFSET(cinema_mode),   AV_OPT_TYPE_INT,   { .i64 = OPJ(OFF)         }, OPJ(OFF),       OPJ(CINEMA4K_24), VE, "cinema_mode" },
 | 
						|
    { "off",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(OFF)         }, 0,         0,           VE, "cinema_mode" },
 | 
						|
    { "2k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(CINEMA2K_24) }, 0,         0,           VE, "cinema_mode" },
 | 
						|
    { "2k_48",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(CINEMA2K_48) }, 0,         0,           VE, "cinema_mode" },
 | 
						|
    { "4k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(CINEMA4K_24) }, 0,         0,           VE, "cinema_mode" },
 | 
						|
    { "prog_order",    "Progression Order", OFFSET(prog_order),    AV_OPT_TYPE_INT,   { .i64 = OPJ(LRCP)    }, OPJ(LRCP),  OPJ(CPRL),    VE, "prog_order"  },
 | 
						|
    { "lrcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(LRCP)    }, 0,         0,           VE, "prog_order"  },
 | 
						|
    { "rlcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(RLCP)    }, 0,         0,           VE, "prog_order"  },
 | 
						|
    { "rpcl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(RPCL)    }, 0,         0,           VE, "prog_order"  },
 | 
						|
    { "pcrl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(PCRL)    }, 0,         0,           VE, "prog_order"  },
 | 
						|
    { "cprl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OPJ(CPRL)    }, 0,         0,           VE, "prog_order"  },
 | 
						|
    { "numresolution", NULL,                OFFSET(numresolution), AV_OPT_TYPE_INT,   { .i64 = 6           }, 1,         INT_MAX,     VE                },
 | 
						|
    { "numlayers",     NULL,                OFFSET(numlayers),     AV_OPT_TYPE_INT,   { .i64 = 1           }, 1,         10,          VE                },
 | 
						|
    { "disto_alloc",   NULL,                OFFSET(disto_alloc),   AV_OPT_TYPE_INT,   { .i64 = 1           }, 0,         1,           VE                },
 | 
						|
    { "fixed_alloc",   NULL,                OFFSET(fixed_alloc),   AV_OPT_TYPE_INT,   { .i64 = 0           }, 0,         1,           VE                },
 | 
						|
    { "fixed_quality", NULL,                OFFSET(fixed_quality), AV_OPT_TYPE_INT,   { .i64 = 0           }, 0,         1,           VE                },
 | 
						|
    { NULL },
 | 
						|
};
 | 
						|
 | 
						|
static const AVClass openjpeg_class = {
 | 
						|
    .class_name = "libopenjpeg",
 | 
						|
    .item_name  = av_default_item_name,
 | 
						|
    .option     = options,
 | 
						|
    .version    = LIBAVUTIL_VERSION_INT,
 | 
						|
};
 | 
						|
 | 
						|
AVCodec ff_libopenjpeg_encoder = {
 | 
						|
    .name           = "libopenjpeg",
 | 
						|
    .long_name      = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),
 | 
						|
    .type           = AVMEDIA_TYPE_VIDEO,
 | 
						|
    .id             = AV_CODEC_ID_JPEG2000,
 | 
						|
    .priv_data_size = sizeof(LibOpenJPEGContext),
 | 
						|
    .init           = libopenjpeg_encode_init,
 | 
						|
    .encode2        = libopenjpeg_encode_frame,
 | 
						|
    .close          = libopenjpeg_encode_close,
 | 
						|
    .capabilities   = AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_INTRA_ONLY,
 | 
						|
    .pix_fmts       = (const enum AVPixelFormat[]) {
 | 
						|
        AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB48,
 | 
						|
        AV_PIX_FMT_RGBA64, AV_PIX_FMT_GBR24P,
 | 
						|
        AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
 | 
						|
        AV_PIX_FMT_GRAY8, AV_PIX_FMT_YA8, AV_PIX_FMT_GRAY16, AV_PIX_FMT_YA16,
 | 
						|
        AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P,
 | 
						|
        AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA422P,
 | 
						|
        AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUVA444P,
 | 
						|
        AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
 | 
						|
        AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
 | 
						|
        AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
 | 
						|
        AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
 | 
						|
        AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
 | 
						|
        AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
 | 
						|
        AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
 | 
						|
        AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
 | 
						|
        AV_PIX_FMT_XYZ12,
 | 
						|
        AV_PIX_FMT_NONE
 | 
						|
    },
 | 
						|
    .priv_class     = &openjpeg_class,
 | 
						|
};
 |