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Introduce a sh_common struct that contains the parts in common by the audio, video 

and sub "stream headers".
One reason for this is to help avoid/make more obvious things like members with
the same function but different name (extradata vs. codecdata etc.), or members
with the same name but different semantics (pts for audio vs. pts for video).


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30128 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2009-12-27 14:40:56 +00:00
parent 4fbcbaacbc
commit 52dab179cb
1 changed files with 25 additions and 19 deletions
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44
libmpdemux/stheader.h
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@ -25,13 +25,31 @@
// Stream headers:
#define SH_COMMON \
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) */ \
/* things needed for parsing */ \
int needs_parsing; \
struct AVCodecContext *avctx; \
struct AVCodecParserContext *parser; \
/* audio: last known pts value in output from decoder \
* video: predicted/interpolated PTS of the current frame */ \
double pts; \
/* codec-specific: */ \
void* context; /* codec-specific stuff (usually HANDLE or struct pointer) */ \
char* lang; /* track language */ \
int default_track; \
typedef struct {
SH_COMMON
} sh_common_t;
typedef struct {
SH_COMMON
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;
@ -63,28 +81,19 @@ typedef struct {
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 {
SH_COMMON
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;
@ -108,11 +117,10 @@ typedef struct {
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 {
SH_COMMON
int sid;
char type; // t = text, v = VobSub, a = SSA/ASS
unsigned char* extradata; // extra header data passed from demuxer
@ -120,8 +128,6 @@ typedef struct {
#ifdef CONFIG_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: