avformat/ffmdec: Check media type for chunks

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e706e2e775730db5dfa9103628cd70704dd13cef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-12-03 13:39:56 +01:00
parent 31d46dc97d
commit 1e512388ee

View File

@ -351,7 +351,7 @@ static int ffm2_read_header(AVFormatContext *s)
}
break;
case MKBETAG('S', 'T', 'V', 'I'):
if (f_stvi++) {
if (f_stvi++ || codec->codec_type != AVMEDIA_TYPE_VIDEO) {
ret = AVERROR(EINVAL);
goto fail;
}
@ -412,7 +412,7 @@ static int ffm2_read_header(AVFormatContext *s)
codec->refs = avio_rb32(pb);
break;
case MKBETAG('S', 'T', 'A', 'U'):
if (f_stau++) {
if (f_stau++ || codec->codec_type != AVMEDIA_TYPE_AUDIO) {
ret = AVERROR(EINVAL);
goto fail;
}
@ -438,7 +438,7 @@ static int ffm2_read_header(AVFormatContext *s)
}
break;
case MKBETAG('S', '2', 'V', 'I'):
if (f_stvi++ || !size) {
if (f_stvi++ || !size || codec->codec_type != AVMEDIA_TYPE_VIDEO) {
ret = AVERROR(EINVAL);
goto fail;
}
@ -453,7 +453,7 @@ static int ffm2_read_header(AVFormatContext *s)
goto fail;
break;
case MKBETAG('S', '2', 'A', 'U'):
if (f_stau++ || !size) {
if (f_stau++ || !size || codec->codec_type != AVMEDIA_TYPE_AUDIO) {
ret = AVERROR(EINVAL);
goto fail;
}