exr: display warning if multiple compression attributes are found

Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago · b040ffc84c
parent 01f76a779c
commit b040ffc84c
1 changed files with 4 additions and 1 deletions
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@ -403,7 +403,10 @@ static int decode_frame(AVCodecContext *avctx,
            if (!variable_buffer_data_size)
                return AVERROR_INVALIDDATA;

-            s->compr = *buf;
+            if (s->compr == -1)
+                s->compr = *buf;
+            else
+                av_log(avctx, AV_LOG_WARNING, "Found more than one compression attribute\n");

            buf += variable_buffer_data_size;
            continue;