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/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPLAYER_STHEADER_H
#define MPLAYER_STHEADER_H
#include "aviheader.h"
#include "ms_hdr.h"
struct MPOpts;
struct demuxer;
// Stream headers:
#define SH_COMMON \
struct MPOpts *opts; \
struct demux_stream *ds; \
struct codecs *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
} sh_common_t;
typedef struct sh_audio {
SH_COMMON
int aid;
// 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 *afilter; // the audio filter stream
const struct ad_functions *ad_driver;
#ifdef CONFIG_DYNAMIC_PLUGINS
void *dec_handle;
#endif
// win32-compatible codec parameters:
AVIStreamHeader audio;
WAVEFORMATEX* wf;
// codec-specific:
unsigned char* codecdata; // extra header data passed from demuxer to codec
int codecdata_len;
int pts_bytes; // bytes output by decoder after last known pts
} sh_audio_t;
typedef struct sh_video {
SH_COMMON
int vid;
float timer; // absolute time in video stream, since last start/seek
// frame counters:
float num_frames; // number of frames played
int num_frames_decoded; // number of frames decoded
// timing (mostly for mpeg):
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;
double codec_reordered_pts;
double prev_codec_reordered_pts;
int num_reordered_pts_problems;
double sorted_pts;
double prev_sorted_pts;
int num_sorted_pts_problems;
int pts_assoc_mode;
// 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 *vfilter; // the video filter chain, used for this video stream
int output_flags; // query_format() results for output filters+vo
const struct vd_functions *vd_driver;
int vf_initialized;
#ifdef CONFIG_DYNAMIC_PLUGINS
void *dec_handle;
#endif
// win32-compatible codec parameters:
AVIStreamHeader video;
BITMAPINFOHEADER* bih;
void* ImageDesc; // for quicktime codecs
} sh_video_t;
typedef struct sh_sub {
SH_COMMON
int sid;
char type; // t = text, v = VobSub, a = SSA/ASS
unsigned char* extradata; // extra header data passed from demuxer
int extradata_len;
struct ass_track *ass_track; // for SSA/ASS streams (type == 'a')
} 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(struct demuxer *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(struct demuxer *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(struct demuxer *demuxer, int id, int sid);
struct sh_sub *new_sh_sub_sid_lang(struct demuxer *demuxer, int id, int sid,
const char *lang);
void free_sh_audio(struct demuxer *demuxer, int id);
void free_sh_video(sh_video_t *sh);
const char *sh_sub_type2str(int type);
// 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 */
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