lavf/wavenc: check for a single stream.

Fix trac ticket #3110.
This commit is contained in:
Nicolas George 2013-11-02 16:23:26 +01:00
parent e56d1a1203
commit eeb975f5cd

View File

@ -116,6 +116,11 @@ static int wav_write_header(AVFormatContext *s)
AVIOContext *pb = s->pb;
int64_t fmt;
if (s->nb_streams != 1) {
av_log(s, AV_LOG_ERROR, "WAVE files have exactly one stream\n");
return AVERROR(EINVAL);
}
if (wav->rf64 == RF64_ALWAYS) {
ffio_wfourcc(pb, "RF64");
avio_wl32(pb, -1); /* RF64 chunk size: use size in ds64 */