FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/fftools/ffmpeg_mux.h
Date: 2024-12-12 01:08:13
Exec Total Coverage
Lines: 2 2 100.0%
Functions: 1 1 100.0%
Branches: 0 0 -%

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 "ffmpeg_sched.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
36 typedef struct MuxStream {
37 OutputStream ost;
38
39 /**
40 * Codec parameters for packets submitted to the muxer (i.e. before
41 * bitstream filtering, if any).
42 */
43 AVCodecParameters *par_in;
44
45 // name used for logging
46 char log_name[32];
47
48 AVBSFContext *bsf_ctx;
49 AVPacket *bsf_pkt;
50
51 AVPacket *pkt;
52
53 EncStats stats;
54
55 int sch_idx;
56 int sch_idx_enc;
57 int sch_idx_src;
58
59 int sq_idx_mux;
60
61 int64_t max_frames;
62
63 // timestamp from which the streamcopied streams should start,
64 // in AV_TIME_BASE_Q;
65 // everything before it should be discarded
66 int64_t ts_copy_start;
67
68 /* dts of the last packet sent to the muxer, in the stream timebase
69 * used for making up missing dts values */
70 int64_t last_mux_dts;
71
72 int64_t stream_duration;
73 AVRational stream_duration_tb;
74
75 // state for av_rescale_delta() call for audio in write_packet()
76 int64_t ts_rescale_delta_last;
77
78 // combined size of all the packets sent to the muxer
79 uint64_t data_size_mux;
80
81 int copy_initial_nonkeyframes;
82 int copy_prior_start;
83 int streamcopy_started;
84 #if FFMPEG_OPT_VSYNC_DROP
85 int ts_drop;
86 #endif
87
88 AVRational frame_rate;
89 AVRational max_frame_rate;
90 int force_fps;
91
92 const char *apad;
93 } MuxStream;
94
95 typedef struct Muxer {
96 OutputFile of;
97
98 // name used for logging
99 char log_name[32];
100
101 AVFormatContext *fc;
102
103 Scheduler *sch;
104 unsigned sch_idx;
105
106 // OutputStream indices indexed by scheduler stream indices
107 int *sch_stream_idx;
108 int nb_sch_stream_idx;
109
110 AVDictionary *opts;
111
112 // used to validate that all encoder avoptions have been actually used
113 AVDictionary *enc_opts_used;
114
115 /* filesize limit expressed in bytes */
116 int64_t limit_filesize;
117 atomic_int_least64_t last_filesize;
118 int header_written;
119
120 SyncQueue *sq_mux;
121 AVPacket *sq_pkt;
122 } Muxer;
123
124 int mux_check_init(void *arg);
125
126 1131705 static MuxStream *ms_from_ost(OutputStream *ost)
127 {
128 1131705 return (MuxStream*)ost;
129 }
130
131 #endif /* FFTOOLS_FFMPEG_MUX_H */
132