avformat/aiffdec: only read codec tag when there is space in header

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Peter Ross 2015-01-05 08:44:06 +11:00 committed by Michael Niedermayer
parent ce1e10aa24
commit f1098eb97d
1 changed files with 3 additions and 1 deletions

View File

@ -116,10 +116,12 @@ static unsigned int get_aiff_header(AVFormatContext *s, int size,
size -= 18;
/* get codec id for AIFF-C */
if (version == AIFF_C_VERSION1) {
if (version == AIFF_C_VERSION1 && size >= 4) {
codec->codec_tag = avio_rl32(pb);
codec->codec_id = ff_codec_get_id(ff_codec_aiff_tags, codec->codec_tag);
size -= 4;
} else {
version = AIFF;
}
if (version != AIFF_C_VERSION1 || codec->codec_id == AV_CODEC_ID_PCM_S16BE) {