| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Muxer internal APIs - should not be included outside of ffmpeg_mux* | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #ifndef FFTOOLS_FFMPEG_MUX_H | ||
| 22 | #define FFTOOLS_FFMPEG_MUX_H | ||
| 23 | |||
| 24 | #include <stdatomic.h> | ||
| 25 | #include <stdint.h> | ||
| 26 | |||
| 27 | #include "thread_queue.h" | ||
| 28 | |||
| 29 | #include "libavformat/avformat.h" | ||
| 30 | |||
| 31 | #include "libavcodec/packet.h" | ||
| 32 | |||
| 33 | #include "libavutil/dict.h" | ||
| 34 | #include "libavutil/fifo.h" | ||
| 35 | #include "libavutil/thread.h" | ||
| 36 | |||
| 37 | typedef struct MuxStream { | ||
| 38 | OutputStream ost; | ||
| 39 | |||
| 40 | // name used for logging | ||
| 41 | char log_name[32]; | ||
| 42 | |||
| 43 | /* the packets are buffered here until the muxer is ready to be initialized */ | ||
| 44 | AVFifo *muxing_queue; | ||
| 45 | |||
| 46 | AVBSFContext *bsf_ctx; | ||
| 47 | AVPacket *bsf_pkt; | ||
| 48 | |||
| 49 | AVPacket *pkt; | ||
| 50 | |||
| 51 | EncStats stats; | ||
| 52 | |||
| 53 | int64_t max_frames; | ||
| 54 | |||
| 55 | /* | ||
| 56 | * The size of the AVPackets' buffers in queue. | ||
| 57 | * Updated when a packet is either pushed or pulled from the queue. | ||
| 58 | */ | ||
| 59 | size_t muxing_queue_data_size; | ||
| 60 | |||
| 61 | int max_muxing_queue_size; | ||
| 62 | |||
| 63 | /* Threshold after which max_muxing_queue_size will be in effect */ | ||
| 64 | size_t muxing_queue_data_threshold; | ||
| 65 | |||
| 66 | // timestamp from which the streamcopied streams should start, | ||
| 67 | // in AV_TIME_BASE_Q; | ||
| 68 | // everything before it should be discarded | ||
| 69 | int64_t ts_copy_start; | ||
| 70 | |||
| 71 | /* dts of the last packet sent to the muxer, in the stream timebase | ||
| 72 | * used for making up missing dts values */ | ||
| 73 | int64_t last_mux_dts; | ||
| 74 | |||
| 75 | int64_t stream_duration; | ||
| 76 | AVRational stream_duration_tb; | ||
| 77 | |||
| 78 | // state for av_rescale_delta() call for audio in write_packet() | ||
| 79 | int64_t ts_rescale_delta_last; | ||
| 80 | |||
| 81 | // combined size of all the packets sent to the muxer | ||
| 82 | uint64_t data_size_mux; | ||
| 83 | |||
| 84 | int copy_initial_nonkeyframes; | ||
| 85 | int copy_prior_start; | ||
| 86 | int streamcopy_started; | ||
| 87 | } MuxStream; | ||
| 88 | |||
| 89 | typedef struct Muxer { | ||
| 90 | OutputFile of; | ||
| 91 | |||
| 92 | // name used for logging | ||
| 93 | char log_name[32]; | ||
| 94 | |||
| 95 | AVFormatContext *fc; | ||
| 96 | |||
| 97 | pthread_t thread; | ||
| 98 | ThreadQueue *tq; | ||
| 99 | |||
| 100 | AVDictionary *opts; | ||
| 101 | |||
| 102 | int thread_queue_size; | ||
| 103 | |||
| 104 | /* filesize limit expressed in bytes */ | ||
| 105 | int64_t limit_filesize; | ||
| 106 | atomic_int_least64_t last_filesize; | ||
| 107 | int header_written; | ||
| 108 | |||
| 109 | SyncQueue *sq_mux; | ||
| 110 | AVPacket *sq_pkt; | ||
| 111 | } Muxer; | ||
| 112 | |||
| 113 | /* whether we want to print an SDP, set in of_open() */ | ||
| 114 | extern int want_sdp; | ||
| 115 | |||
| 116 | int mux_check_init(Muxer *mux); | ||
| 117 | |||
| 118 | 1108375 | static MuxStream *ms_from_ost(OutputStream *ost) | |
| 119 | { | ||
| 120 | 1108375 | return (MuxStream*)ost; | |
| 121 | } | ||
| 122 | |||
| 123 | #endif /* FFTOOLS_FFMPEG_MUX_H */ | ||
| 124 |