#ifndef __ST_HEADER_H #define __ST_HEADER_H 1 #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 inited; double delay; // relative (to sh_video->timer) time in audio stream 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 void* 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 } sh_audio_t; typedef struct { int vid; demux_stream_t *ds; struct codecs_st *codec; unsigned int format; int inited; 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 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) 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; void* video_out; // the video_out handle, used for this video stream void* vfilter; // the video filter chain, used for this video stream int vf_inited; #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; // 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); 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