mirror of https://github.com/mpv-player/mpv
148 lines
4.9 KiB
C
148 lines
4.9 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_STHEADER_H
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#define MPLAYER_STHEADER_H
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#include "demuxer.h"
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#include "aviheader.h"
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#include "ms_hdr.h"
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// Stream headers:
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#define SH_COMMON \
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demux_stream_t *ds; \
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struct codecs *codec; \
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unsigned int format; \
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int initialized; \
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float stream_delay; /* number of seconds stream should be delayed (according to dwStart or similar) */ \
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/* things needed for parsing */ \
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int needs_parsing; \
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struct AVCodecContext *avctx; \
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struct AVCodecParserContext *parser; \
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/* audio: last known pts value in output from decoder \
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* video: predicted/interpolated PTS of the current frame */ \
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double pts; \
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/* codec-specific: */ \
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void* context; /* codec-specific stuff (usually HANDLE or struct pointer) */ \
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char* lang; /* track language */ \
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int default_track; \
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typedef struct sh_common {
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SH_COMMON
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} sh_common_t;
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typedef struct sh_audio {
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SH_COMMON
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int aid;
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// output format:
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int sample_format;
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int samplerate;
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int samplesize;
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int channels;
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int o_bps; // == samplerate*samplesize*channels (uncompr. bytes/sec)
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int i_bps; // == bitrate (compressed bytes/sec)
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// in buffers:
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int audio_in_minsize; // max. compressed packet size (== min. in buffer size)
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char* a_in_buffer;
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int a_in_buffer_len;
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int a_in_buffer_size;
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// decoder buffers:
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int audio_out_minsize; // max. uncompressed packet size (==min. out buffsize)
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char* a_buffer;
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int a_buffer_len;
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int a_buffer_size;
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// output buffers:
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char* a_out_buffer;
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int a_out_buffer_len;
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int a_out_buffer_size;
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// void* audio_out; // the audio_out handle, used for this audio stream
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struct af_stream *afilter; // the audio filter stream
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struct ad_functions *ad_driver;
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#ifdef CONFIG_DYNAMIC_PLUGINS
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void *dec_handle;
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#endif
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// win32-compatible codec parameters:
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AVIStreamHeader audio;
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WAVEFORMATEX* wf;
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// codec-specific:
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unsigned char* codecdata; // extra header data passed from demuxer to codec
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int codecdata_len;
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int pts_bytes; // bytes output by decoder after last known pts
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} sh_audio_t;
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typedef struct sh_video {
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SH_COMMON
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int vid;
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float timer; // absolute time in video stream, since last start/seek
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// frame counters:
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float num_frames; // number of frames played
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int num_frames_decoded; // number of frames decoded
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// timing (mostly for mpeg):
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double i_pts; // PTS for the _next_ I/P frame
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float next_frame_time;
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double last_pts;
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double buffered_pts[20];
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int num_buffered_pts;
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// output format: (set by demuxer)
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float fps; // frames per second (set only if constant fps)
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float frametime; // 1/fps
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float aspect; // aspect ratio stored in the file (for prescaling)
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float stream_aspect; // aspect ratio stored in the media headers (e.g. in DVD IFO files)
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int i_bps; // == bitrate (compressed bytes/sec)
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int disp_w,disp_h; // display size (filled by fileformat parser)
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// output driver/filters: (set by libmpcodecs core)
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unsigned int outfmtidx;
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struct vf_instance *vfilter; // the video filter chain, used for this video stream
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int vf_initialized;
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#ifdef CONFIG_DYNAMIC_PLUGINS
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void *dec_handle;
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#endif
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// win32-compatible codec parameters:
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AVIStreamHeader video;
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BITMAPINFOHEADER* bih;
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void* ImageDesc; // for quicktime codecs
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} sh_video_t;
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typedef struct sh_sub {
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SH_COMMON
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int sid;
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char type; // t = text, v = VobSub, a = SSA/ASS
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unsigned char* extradata; // extra header data passed from demuxer
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int extradata_len;
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#ifdef CONFIG_ASS
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ass_track_t* ass_track; // for SSA/ASS streams (type == 'a')
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#endif
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} sh_sub_t;
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// demuxer.c:
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#define new_sh_audio(d, i) new_sh_audio_aid(d, i, i)
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sh_audio_t* new_sh_audio_aid(demuxer_t *demuxer,int id,int aid);
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#define new_sh_video(d, i) new_sh_video_vid(d, i, i)
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sh_video_t* new_sh_video_vid(demuxer_t *demuxer,int id,int vid);
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#define new_sh_sub(d, i) new_sh_sub_sid(d, i, i)
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sh_sub_t *new_sh_sub_sid(demuxer_t *demuxer, int id, int sid);
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void free_sh_audio(demuxer_t *demuxer, int id);
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void free_sh_video(sh_video_t *sh);
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// video.c:
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int video_read_properties(sh_video_t *sh_video);
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int video_read_frame(sh_video_t* sh_video,float* frame_time_ptr,unsigned char** start,int force_fps);
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#endif /* MPLAYER_STHEADER_H */
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