X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fdnxhddec.c;h=2ec004333f3aecc35565c52f2b70cb7290537577;hb=d85c84eb38e5845495dacfcef82265a433fdd043;hp=1e95086696703b390636f237a2d58ea32c014472;hpb=94346ab593f3fc0822f11d3e3f378f9944ad2d40;p=ffmpeg

diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c
index 1e950866967..2ec004333f3 100644
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -235,7 +235,14 @@ static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame,
         av_log(ctx->avctx, AV_LOG_WARNING,
                "Adaptive MB interlace flag in an unsupported profile.\n");
 
-    ctx->act = buf[0x2C] & 7;
+    switch ((buf[0x2C] >> 1) & 3) {
+    case 0: frame->colorspace = AVCOL_SPC_BT709;       break;
+    case 1: frame->colorspace = AVCOL_SPC_BT2020_NCL;  break;
+    case 2: frame->colorspace = AVCOL_SPC_BT2020_CL;   break;
+    case 3: frame->colorspace = AVCOL_SPC_UNSPECIFIED; break;
+    }
+
+    ctx->act = buf[0x2C] & 1;
     if (ctx->act && ctx->cid_table->cid != 1256 && ctx->cid_table->cid != 1270)
         av_log(ctx->avctx, AV_LOG_WARNING,
                "Adaptive color transform in an unsupported profile.\n");