lavc/vc1: Set color_range for gray decoding.

10 years ago · 4d8bd60ac6
parent caa41d1e4c
commit 4d8bd60ac6
1 changed files with 4 additions and 1 deletions
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@ -429,8 +429,11 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
        return -1;
    if (!(avctx->flags & CODEC_FLAG_GRAY))
        avctx->pix_fmt = ff_get_format(avctx, avctx->codec->pix_fmts);
-    else
+    else {
        avctx->pix_fmt = AV_PIX_FMT_GRAY8;
+        if (avctx->color_range == AVCOL_RANGE_UNSPECIFIED)
+            avctx->color_range = AVCOL_RANGE_MPEG;
+    }
    v->s.avctx = avctx;

    if ((ret = ff_vc1_init_common(v)) < 0)