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