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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 <stdbool.h>
#include "common/common.h"
#include "audio/chmap.h"
#include "ms_hdr.h"
struct MPOpts;
struct demuxer;
// Stream headers:
struct sh_stream {
enum stream_type type;
// Index into demuxer->streams.
int index;
// Demuxer/format specific ID. Corresponds to the stream IDs as encoded in
// some file formats (e.g. MPEG), or an index chosen by demux.c.
int demuxer_id;
// One of these is non-NULL, the others are NULL, depending on the stream
// type.
struct sh_audio *audio;
struct sh_video *video;
struct sh_sub *sub;
// E.g. "h264" (usually corresponds to AVCodecDescriptor.name)
const char *codec;
// Usually a FourCC, exact meaning depends on codec.
unsigned int format;
// Codec specific header data (set by demux_lavf.c)
// Other demuxers use sh_audio->wf and sh_video->bih instead.
struct AVCodecContext *lav_headers;
char *title;
char *lang; // language code
bool default_track; // container default track flag
// stream is a picture (such as album art)
struct demux_packet *attached_picture;
// Internal to demux.c
struct demux_stream *ds;
};
typedef struct sh_audio {
int samplerate;
struct mp_chmap channels;
int bitrate; // compressed bits/sec
// win32-compatible codec parameters:
MP_WAVEFORMATEX *wf;
// note codec extradata may be either under "wf" or "codecdata"
unsigned char *codecdata;
int codecdata_len;
struct replaygain_data *replaygain_data;
} sh_audio_t;
typedef struct sh_video {
bool avi_dts; // use DTS timing; first frame and DTS is 0
float fps; // frames per second (set only if constant fps)
float aspect; // aspect ratio stored in the file (for prescaling)
int bitrate; // compressed bits/sec
int disp_w, disp_h; // display size
int rotate; // intended display rotation, in degrees, [0, 359]
MP_BITMAPINFOHEADER *bih;
} sh_video_t;
typedef struct sh_sub {
unsigned char *extradata; // extra header data passed from demuxer
int extradata_len;
int w, h; // mp4 vobsubs
double frame_based; // timestamps are frame-based (and this is the
// fallback framerate used for timestamps)
bool is_utf8; // if false, subtitle packet charset is unknown
struct dec_sub *dec_sub; // decoder context
} sh_sub_t;
#endif /* MPLAYER_STHEADER_H */
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