From 2db24cf746dc871903ada25b184f5e5decd95a42 Mon Sep 17 00:00:00 2001 From: Victor Anjin Date: Wed, 15 Apr 2015 23:51:59 +0700 Subject: [PATCH] ivfenc: incorrect fourcc for VP9 video VP80 fourcc are writed for all contexts (without ctx->codec_tag) how to reproduce the issue: 1) Get any vp9 video (for example http://base-n.de/webm/out9.webm) 2) ffmpeg -i out9.webm -vcodec copy out9.ivf 3) out9.ivf have VP80 fourcc at ivf header The proposed fix solves this issue Signed-off-by: Michael Niedermayer --- libavformat/ivfenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/ivfenc.c b/libavformat/ivfenc.c index 5700f01d3c..1d76c5c7cb 100644 --- a/libavformat/ivfenc.c +++ b/libavformat/ivfenc.c @@ -38,7 +38,7 @@ static int ivf_write_header(AVFormatContext *s) avio_write(pb, "DKIF", 4); avio_wl16(pb, 0); // version avio_wl16(pb, 32); // header length - avio_wl32(pb, ctx->codec_tag ? ctx->codec_tag : AV_RL32("VP80")); + avio_wl32(pb, ctx->codec_tag ? ctx->codec_tag : ctx->codec_id == AV_CODEC_ID_VP9 ? AV_RL32("VP90") : AV_RL32("VP80")); avio_wl16(pb, ctx->width); avio_wl16(pb, ctx->height); avio_wl32(pb, s->streams[0]->time_base.den);