116 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Muxer internal APIs - should not be included outside of ffmpeg_mux*
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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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| #ifndef FFTOOLS_FFMPEG_MUX_H
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| #define FFTOOLS_FFMPEG_MUX_H
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| 
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| #include <stdatomic.h>
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| #include <stdint.h>
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| 
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| #include "ffmpeg_sched.h"
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| 
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| #include "libavformat/avformat.h"
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| 
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| #include "libavcodec/packet.h"
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| 
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| #include "libavutil/dict.h"
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| #include "libavutil/fifo.h"
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| 
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| typedef struct MuxStream {
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|     OutputStream ost;
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| 
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|     // name used for logging
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|     char log_name[32];
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| 
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|     AVBSFContext *bsf_ctx;
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|     AVPacket     *bsf_pkt;
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| 
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|     AVPacket     *pkt;
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| 
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|     EncStats stats;
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| 
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|     int sch_idx;
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|     int sch_idx_enc;
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|     int sch_idx_src;
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| 
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|     int sq_idx_mux;
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| 
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|     int64_t max_frames;
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| 
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|     // timestamp from which the streamcopied streams should start,
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|     // in AV_TIME_BASE_Q;
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|     // everything before it should be discarded
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|     int64_t ts_copy_start;
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| 
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|     /* dts of the last packet sent to the muxer, in the stream timebase
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|      * used for making up missing dts values */
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|     int64_t last_mux_dts;
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| 
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|     int64_t    stream_duration;
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|     AVRational stream_duration_tb;
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| 
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|     // state for av_rescale_delta() call for audio in write_packet()
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|     int64_t ts_rescale_delta_last;
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| 
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|     // combined size of all the packets sent to the muxer
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|     uint64_t data_size_mux;
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| 
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|     int copy_initial_nonkeyframes;
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|     int copy_prior_start;
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|     int streamcopy_started;
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| } MuxStream;
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| 
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| typedef struct Muxer {
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|     OutputFile of;
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| 
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|     // name used for logging
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|     char log_name[32];
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| 
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|     AVFormatContext *fc;
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| 
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|     Scheduler   *sch;
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|     unsigned     sch_idx;
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| 
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|     // OutputStream indices indexed by scheduler stream indices
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|     int         *sch_stream_idx;
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|     int       nb_sch_stream_idx;
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| 
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|     AVDictionary *opts;
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| 
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|     int thread_queue_size;
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| 
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|     /* filesize limit expressed in bytes */
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|     int64_t limit_filesize;
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|     atomic_int_least64_t last_filesize;
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|     int header_written;
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| 
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|     SyncQueue *sq_mux;
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|     AVPacket *sq_pkt;
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| } Muxer;
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| 
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| int mux_check_init(void *arg);
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| 
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| static MuxStream *ms_from_ost(OutputStream *ost)
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| {
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|     return (MuxStream*)ost;
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| }
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| 
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| #endif /* FFTOOLS_FFMPEG_MUX_H */
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