FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/fftools/ffmpeg_mux.h
Date: 2023-12-04 05:51:44
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 "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