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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
#ifndef MPLAYER_STHEADER_H
#define MPLAYER_STHEADER_H
#include "demuxer.h"
#include "aviheader.h"
#include "ms_hdr.h"
// Stream headers:
typedef struct {
int aid;
demux_stream_t *ds;
struct codecs_st *codec;
unsigned int format;
int initialized;
float stream_delay; // number of seconds stream should be delayed (according to dwStart or similar)
// output format:
int sample_format;
int samplerate;
int samplesize;
int channels;
int o_bps; // == samplerate*samplesize*channels (uncompr. bytes/sec)
int i_bps; // == bitrate (compressed bytes/sec)
// in buffers:
int audio_in_minsize; // max. compressed packet size (== min. in buffer size)
char* a_in_buffer;
int a_in_buffer_len;
int a_in_buffer_size;
// decoder buffers:
int audio_out_minsize; // max. uncompressed packet size (==min. out buffsize)
char* a_buffer;
int a_buffer_len;
int a_buffer_size;
// output buffers:
char* a_out_buffer;
int a_out_buffer_len;
int a_out_buffer_size;
// void* audio_out; // the audio_out handle, used for this audio stream
struct af_stream_s *afilter; // the audio filter stream
struct ad_functions_s* ad_driver;
#ifdef DYNAMIC_PLUGINS
void *dec_handle;
#endif
// win32-compatible codec parameters:
AVIStreamHeader audio;
WAVEFORMATEX* wf;
// codec-specific:
void* context; // codec-specific stuff (usually HANDLE or struct pointer)
unsigned char* codecdata; // extra header data passed from demuxer to codec
int codecdata_len;
double pts; // last known pts value in output from decoder
int pts_bytes; // bytes output by decoder after last known pts
char* lang; // track language
int default_track;
} sh_audio_t;
typedef struct {
int vid;
demux_stream_t *ds;
struct codecs_st *codec;
unsigned int format;
int initialized;
float timer; // absolute time in video stream, since last start/seek
float stream_delay; // number of seconds stream should be delayed (according to dwStart or similar)
// frame counters:
float num_frames; // number of frames played
int num_frames_decoded; // number of frames decoded
// timing (mostly for mpeg):
double pts; // predicted/interpolated PTS of the current frame
double i_pts; // PTS for the _next_ I/P frame
float next_frame_time;
double last_pts;
double buffered_pts[20];
int num_buffered_pts;
// output format: (set by demuxer)
float fps; // frames per second (set only if constant fps)
float frametime; // 1/fps
float aspect; // aspect ratio stored in the file (for prescaling)
float stream_aspect; // aspect ratio stored in the media headers (e.g. in DVD IFO files)
int i_bps; // == bitrate (compressed bytes/sec)
int disp_w,disp_h; // display size (filled by fileformat parser)
// output driver/filters: (set by libmpcodecs core)
unsigned int outfmtidx;
struct vf_instance_s *vfilter; // the video filter chain, used for this video stream
int vf_initialized;
#ifdef DYNAMIC_PLUGINS
void *dec_handle;
#endif
// win32-compatible codec parameters:
AVIStreamHeader video;
BITMAPINFOHEADER* bih;
void* ImageDesc; // for quicktime codecs
// codec-specific:
void* context; // codec-specific stuff (usually HANDLE or struct pointer)
} sh_video_t;
typedef struct {
int sid;
char type; // t = text, v = VobSub, a = SSA/ASS
int has_palette; // If we have a valid palette
unsigned int palette[16]; // for VobSubs
int width, height; // for VobSubs
int custom_colors;
unsigned int colors[4];
int forced_subs_only;
unsigned char* extradata; // extra header data passed from demuxer
int extradata_len;
#ifdef USE_ASS
ass_track_t* ass_track; // for SSA/ASS streams (type == 'a')
#endif
char* lang; // track language
int default_track;
} sh_sub_t;
// demuxer.c:
#define new_sh_audio(d, i) new_sh_audio_aid(d, i, i)
sh_audio_t* new_sh_audio_aid(demuxer_t *demuxer,int id,int aid);
#define new_sh_video(d, i) new_sh_video_vid(d, i, i)
sh_video_t* new_sh_video_vid(demuxer_t *demuxer,int id,int vid);
#define new_sh_sub(d, i) new_sh_sub_sid(d, i, i)
sh_sub_t *new_sh_sub_sid(demuxer_t *demuxer, int id, int sid);
void free_sh_audio(demuxer_t *demuxer, int id);
void free_sh_video(sh_video_t *sh);
// video.c:
int video_read_properties(sh_video_t *sh_video);
int video_read_frame(sh_video_t* sh_video,float* frame_time_ptr,unsigned char** start,int force_fps);
#endif /* MPLAYER_STHEADER_H */
|
