avcodec/clearvideo: display warning if decoder overreads input

[ffmpeg] / libavcodec / ffv1enc.c

diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index dd4d7429f5484cc2ada9675d0f29bc5f5bc20cae..23e8d3dfa472166a8c41b6491a113ebc197a0b29 100644 (file)
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -539,6 +539,10 @@ static av_cold int encode_init(AVCodecContext *avctx)
         s->ec = (s->version >= 3);
     }
 
+    // CRC requires version 3+
+    if (s->ec)
+        s->version = FFMAX(s->version, 3);
+
     if ((s->version == 2 || s->version>3) && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
         av_log(avctx, AV_LOG_ERROR, "Version 2 needed for requested features but version 2 is experimental and not enabled\n");
         return AVERROR_INVALIDDATA;