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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MPLAYER_STHEADER_H
#define MPLAYER_STHEADER_H
#include <stdbool.h>
#include "common/common.h"
#include "audio/chmap.h"
#include "video/mp_image.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;
// FFmpeg stream index (AVFormatContext.streams[index]), or equivalent.
int ff_index;
struct mp_codec_params *codec;
char *title;
char *lang; // language code
bool default_track; // container default track flag
bool forced_track; // container forced track flag
bool dependent_track; // container dependent track flag
bool visual_impaired_track; // container flag
bool hearing_impaired_track;// container flag
bool image; // video stream is an image
bool still_image; // video consists of multiple sparse still images
int hls_bitrate;
int program_id;
struct mp_tags *tags;
bool missing_timestamps;
double seek_preroll;
// stream is a picture (such as album art)
struct demux_packet *attached_picture;
// Internal to demux.c
struct demux_stream *ds;
};
struct mp_codec_params {
enum stream_type type;
// E.g. "h264" (usually corresponds to AVCodecDescriptor.name)
const char *codec;
// Usually corresponds to AVCodecDescriptor.long_name
const char *codec_desc;
// Corresponding codec profile
const char *codec_profile;
// Usually a FourCC, exact meaning depends on codec.
unsigned int codec_tag;
unsigned char *extradata; // codec specific per-stream header
int extradata_size;
// Codec specific header data (set by demux_lavf.c only)
struct AVCodecParameters *lav_codecpar;
// Timestamp granularity for converting double<->rational timestamps.
int native_tb_num, native_tb_den;
// Used by an obscure bug workaround mechanism. As an exception to the usual
// rules, demuxers are allowed to set this after adding the sh_stream, but
// only before the demuxer open call returns.
struct demux_packet *first_packet;
// STREAM_AUDIO
int samplerate;
struct mp_chmap channels;
bool force_channels;
int bitrate; // compressed bits/sec
int block_align;
struct replaygain_data *replaygain_data;
// STREAM_VIDEO
bool avi_dts; // use DTS timing; first frame and DTS is 0
double fps; // frames per second (set only if constant fps)
bool reliable_fps; // the fps field is definitely not broken
int par_w, par_h; // pixel aspect ratio (0 if unknown/square)
int disp_w, disp_h; // display size
int rotate; // intended display rotation, in degrees, [0, 359]
int stereo_mode; // mp_stereo3d_mode (0 if none/unknown)
struct pl_color_space color; // colorspace info where available
struct pl_color_repr repr; // color representaion info where available
struct mp_rect crop; // crop to be applied
// STREAM_VIDEO + STREAM_AUDIO
int bits_per_coded_sample;
char *format_name; // pixel format (video) or sample format (audio)
// STREAM_SUB
double frame_based; // timestamps are frame-based (and this is the
// fallback framerate used for timestamps)
};
#endif /* MPLAYER_STHEADER_H */
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