mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 01:22:30 +00:00
05e4df3f0c
Instead of passing through double float timestamps opaquely, pass real timestamps. Do so by always setting a valid timebase on the AVCodecContext for audio and video decoding. Specifically try not to round timestamps to a too coarse timebase, which could round off small adjustments to timestamps (such as for start time rebasing or demux_timeline). If the timebase is considered too coarse, make it finer. This gets rid of the need to do this specifically for some hardware decoding wrapper. The old method of passing through double timestamps was also a bit questionable. While libavcodec is not supposed to interpret timestamps at all if no timebase is provided, it was needlessly tricky. Also, it actually does compare them with AV_NOPTS_VALUE. This change will probably also reduce confusion in the future.
50 lines
1.9 KiB
C
50 lines
1.9 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 MP_AVCOMMON_H
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#define MP_AVCOMMON_H
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#include <inttypes.h>
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#include <libavutil/avutil.h>
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#include <libavutil/rational.h>
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#include <libavcodec/avcodec.h>
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struct mp_decoder_list;
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struct demux_packet;
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struct mp_codec_params;
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struct AVDictionary;
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struct mp_log;
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int mp_lavc_set_extradata(AVCodecContext *avctx, void *ptr, int size);
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void mp_copy_lav_codec_headers(AVCodecContext *avctx, AVCodecContext *st);
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void mp_set_lav_codec_headers(AVCodecContext *avctx, struct mp_codec_params *c);
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AVRational mp_get_codec_timebase(struct mp_codec_params *c);
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void mp_set_av_packet(AVPacket *dst, struct demux_packet *mpkt, AVRational *tb);
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int64_t mp_pts_to_av(double mp_pts, AVRational *tb);
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double mp_pts_from_av(int64_t av_pts, AVRational *tb);
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void mp_set_avcodec_threads(struct mp_log *l, AVCodecContext *avctx, int threads);
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void mp_add_lavc_decoders(struct mp_decoder_list *list, enum AVMediaType type);
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void mp_add_lavc_encoders(struct mp_decoder_list *list);
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int mp_codec_to_av_codec_id(const char *codec);
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const char *mp_codec_from_av_codec_id(int codec_id);
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void mp_set_avdict(struct AVDictionary **dict, char **kv);
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void mp_avdict_print_unset(struct mp_log *log, int msgl, struct AVDictionary *d);
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int mp_set_avopts(struct mp_log *log, void *avobj, char **kv);
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#endif
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