[FFmpeg-cvslog] lavc/clearvideo: Allow decoding without extradata.

[Carl Eugen Hoyos]

ffmpeg | branch: master | Carl Eugen Hoyos <ceffmpeg at gmail.com> | Sat Apr  7 21:30:45 2018 +0200| [916632dfbb0a987118b4d193c5cec54eba57a267] | committer: Carl Eugen Hoyos

lavc/clearvideo: Allow decoding without extradata.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=916632dfbb0a987118b4d193c5cec54eba57a267
---

 libavcodec/clearvideo.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/clearvideo.c b/libavcodec/clearvideo.c
index 9319cac0af..6061cb571e 100644
--- a/libavcodec/clearvideo.c
+++ b/libavcodec/clearvideo.c
@@ -652,6 +652,8 @@ static av_cold int clv_decode_init(AVCodecContext *avctx)
         c->tile_size = AV_RL32(&avctx->extradata[94]);
     } else if (avctx->extradata_size == 150) {
         c->tile_size = AV_RB32(&avctx->extradata[134]);
+    } else if (!avctx->extradata_size) {
+        c->tile_size = 16;
     } else {
         av_log(avctx, AV_LOG_ERROR, "Unsupported extradata size: %d\n", avctx->extradata_size);
         return AVERROR_INVALIDDATA;