Ze Yuan: > From ea96e70874c87b003af1fb3fcd5c792b3292bf29 Mon Sep 17 00:00:00 2001 > From: =?UTF-8?q?=E9=83=91=E5=A4=A9=E6=B3=A2?= <naturalwal...@hotmail.com> > Date: Sun, 6 Sep 2020 18:35:51 +0800 > Subject: [PATCH] Added MKV tag for AVS2 video codec > > avs2 (IEEE 1857.4) video codec > > MKV spec: V_AVS2 Codec ID: V_AVS2 Codec Name: AVS2-P2/IEEE.1857.4 > (https://github.com/xatabhk/matroska-specification/blob/master/codec_specs.md) > > Standard document: > 1857.4-2018 - IEEE Standard for Second-Generation IEEE 1857 Video Coding > (https://ieeexplore.ieee.org/document/8821610) > > Encoding tool: > Ffmpeg with avs2 enabled: https://github.com/xatabhk/FFmpeg-avs2-avs3/releases > Command line: > > ffmpeg -i xxxx.mp4 -vcodec avs2 -acodec copy xxxx_avs2.mkv > ffmpeg -i xxxx.mp4 -vcodec avs2 -speed_level 4 -acodec copy > xxxx_avs2.mkv` > > Players: > (1) Ffmpeg with avs2 enabled: > (https://github.com/xatabhk/FFmpeg-avs2-avs3/releases): > Command line: > > ffplay xxxx_avs2.mkv` > (2) VLC 3.0.x with avs2 enabled: > https://github.com/xatabhk/vlc-3.0-avs2-avs3/releases > (3) Mpc-hc 1.9.x with avs2 enabled: > https://gitee.com/zhengtianbo/cavs-avs2-avs3_decoder_added_to_mpc_hc/releases > > Avs2-MKV samples: > https://github.com/xatabhk/avs2-avs3-video-samples > > --- > libavformat/matroska.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/libavformat/matroska.c b/libavformat/matroska.c > index 7c56aba403..2ce60c6277 100644 > --- a/libavformat/matroska.c > +++ b/libavformat/matroska.c > @@ -78,6 +78,7 @@ const CodecTags ff_mkv_codec_tags[]={ > {"S_HDMV/TEXTST" , AV_CODEC_ID_HDMV_TEXT_SUBTITLE}, > > {"V_AV1" , AV_CODEC_ID_AV1}, > + {"V_AVS2" , AV_CODEC_ID_AVS2}, > {"V_DIRAC" , AV_CODEC_ID_DIRAC}, > {"V_FFV1" , AV_CODEC_ID_FFV1}, > {"V_MJPEG" , AV_CODEC_ID_MJPEG}, > I just noticed that an official codec mapping for AVS2 has been added months ago; this solves my main objection to your earlier patch [1]. Will this a bit and apply it if nothing turns up. Sorry for not noticing this earlier.
- Andreas Rheinhardt [1]: https://ffmpeg.org/pipermail/ffmpeg-devel/2020-August/268135.html _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
