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authorJames Almer <jamrial@gmail.com>2017-10-22 20:29:53 -0300
committerJames Almer <jamrial@gmail.com>2017-10-26 00:26:08 -0300
commit6bd665b7c5798803366b877903fa3bce7f129d05 (patch)
tree599450b1996076a58c703e17167c696ba3482d8b /libavformat/takdec.c
parent984b882b769cab6372454cf8d5cda7c554c5ee77 (diff)
avcodec/tak: remove GetBitContext usage from avpriv_tak_parse_streaminfo()
This prevents potential ABI issues with GetBitContext. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavformat/takdec.c')
-rw-r--r--libavformat/takdec.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavformat/takdec.c b/libavformat/takdec.c
index 1535bec64f..6fda35c1be 100644
--- a/libavformat/takdec.c
+++ b/libavformat/takdec.c
@@ -103,7 +103,6 @@ static int tak_read_header(AVFormatContext *s)
}
}
- init_get_bits8(&gb, buffer, size - 3);
break;
case TAK_METADATA_MD5: {
uint8_t md5[16];
@@ -145,7 +144,9 @@ static int tak_read_header(AVFormatContext *s)
if (type == TAK_METADATA_STREAMINFO) {
TAKStreamInfo ti;
- avpriv_tak_parse_streaminfo(&gb, &ti);
+ ret = avpriv_tak_parse_streaminfo(&ti, buffer, size -3);
+ if (ret < 0)
+ return AVERROR_INVALIDDATA;
if (ti.samples > 0)
st->duration = ti.samples;
st->codecpar->bits_per_coded_sample = ti.bps;
@@ -161,11 +162,13 @@ static int tak_read_header(AVFormatContext *s)
} else if (type == TAK_METADATA_LAST_FRAME) {
if (size != 11)
return AVERROR_INVALIDDATA;
+ init_get_bits8(&gb, buffer, size - 3);
tc->mlast_frame = 1;
tc->data_end = get_bits64(&gb, TAK_LAST_FRAME_POS_BITS) +
get_bits(&gb, TAK_LAST_FRAME_SIZE_BITS);
av_freep(&buffer);
} else if (type == TAK_METADATA_ENCODER) {
+ init_get_bits8(&gb, buffer, size - 3);
av_log(s, AV_LOG_VERBOSE, "encoder version: %0X\n",
get_bits_long(&gb, TAK_ENCODER_VERSION_BITS));
av_freep(&buffer);