mirror of https://github.com/mpv-player/mpv
100 lines
3.1 KiB
C
100 lines
3.1 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 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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* 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 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 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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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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// One of these is non-NULL, the others are NULL, depending on the stream
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// type.
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struct sh_audio *audio;
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struct sh_video *video;
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struct sh_sub *sub;
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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 AVCodecContext *lav_headers;
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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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int hls_bitrate;
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bool missing_timestamps;
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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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typedef struct sh_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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int bits_per_coded_sample;
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struct replaygain_data *replaygain_data;
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} sh_audio_t;
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typedef struct sh_video {
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bool avi_dts; // use DTS timing; first frame and DTS is 0
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float fps; // frames per second (set only if constant fps)
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float aspect; // aspect ratio stored in the file (for prescaling)
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int bits_per_coded_sample;
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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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} sh_video_t;
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typedef struct sh_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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bool is_utf8; // if false, subtitle packet charset is unknown
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struct dec_sub *dec_sub; // decoder context
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} sh_sub_t;
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#endif /* MPLAYER_STHEADER_H */
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