@@ -65,6 +65,12 @@ int ff_put_wav_header(AVFormatContext *s, AVIOContext *pb,
if (!par->codec_tag || par->codec_tag > 0xffff)
return -1;
+ if (par->codec_id == AV_CODEC_ID_ADPCM_SWF && par->block_align == 0) {
+ av_log(s, AV_LOG_ERROR, "%s can only be written to WAVE with a constant frame size\n",
+ avcodec_get_name(s->streams[0]->codecpar->codec_id));
+ return AVERROR(EINVAL);
+ }
+
/* We use the known constant frame size for the codec if known, otherwise
* fall back on using AVCodecContext.frame_size, which is not as reliable
* for indicating packet duration. */
Prefer to error than to create a broken file. Closes ticket #5829. Effectively disables remuxing adpcm_swf from flv -> wav. Signed-off-by: Zane van Iperen <zane@zanevaniperen.com> --- libavformat/riffenc.c | 6 ++++++ 1 file changed, 6 insertions(+)