1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MPLAYER_STHEADER_H
#define MPLAYER_STHEADER_H
#include <stdbool.h>
#include "common/common.h"
#include "audio/chmap.h"
struct MPOpts;
struct demuxer;
// Stream headers:
struct sh_stream {
enum stream_type type;
// Index into demuxer->streams.
int index;
// Demuxer/format specific ID. Corresponds to the stream IDs as encoded in
// some file formats (e.g. MPEG), or an index chosen by demux.c.
int demuxer_id;
// FFmpeg stream index (AVFormatContext.streams[index]), or equivalent.
int ff_index;
// One of these is non-NULL, the others are NULL, depending on the stream
// type.
struct sh_audio *audio;
struct sh_video *video;
struct sh_sub *sub;
// E.g. "h264" (usually corresponds to AVCodecDescriptor.name)
const char *codec;
// Usually a FourCC, exact meaning depends on codec.
unsigned int format;
// Codec specific header data (set by demux_lavf.c only)
struct AVCodecContext *lav_headers;
char *title;
char *lang; // language code
bool default_track; // container default track flag
int hls_bitrate;
bool missing_timestamps;
// stream is a picture (such as album art)
struct demux_packet *attached_picture;
// Internal to demux.c
struct demux_stream *ds;
};
typedef struct sh_audio {
int samplerate;
struct mp_chmap channels;
bool force_channels;
int bitrate; // compressed bits/sec
int block_align;
int bits_per_coded_sample;
unsigned char *codecdata;
int codecdata_len;
struct replaygain_data *replaygain_data;
} sh_audio_t;
typedef struct sh_video {
bool avi_dts; // use DTS timing; first frame and DTS is 0
float fps; // frames per second (set only if constant fps)
float aspect; // aspect ratio stored in the file (for prescaling)
int bitrate; // compressed bits/sec
int bits_per_coded_sample;
unsigned char *extradata;
int extradata_len;
int disp_w, disp_h; // display size
int rotate; // intended display rotation, in degrees, [0, 359]
int stereo_mode; // mp_stereo3d_mode (0 if none/unknown)
} sh_video_t;
typedef struct sh_sub {
unsigned char *extradata; // extra header data passed from demuxer
int extradata_len;
double frame_based; // timestamps are frame-based (and this is the
// fallback framerate used for timestamps)
bool is_utf8; // if false, subtitle packet charset is unknown
struct dec_sub *dec_sub; // decoder context
} sh_sub_t;
#endif /* MPLAYER_STHEADER_H */
|
