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Code Issues Releases Activity

avformat/asfdec: Check the av_get_packet() return value

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-17 20:39:43 +01:00
parent 4adf75cade
commit ab161bfa4b
1 changed files with 6 additions and 1 deletions
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7
libavformat/asfdec.c
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@ -791,12 +791,17 @@ static int asf_read_header(AVFormatContext *s)
if (!s->keylen) {
if (!ff_guidcmp(&g, &ff_asf_content_encryption)) {
unsigned int len;
int ret;
AVPacket pkt;
av_log(s, AV_LOG_WARNING,
"DRM protected stream detected, decoding will likely fail!\n");
len= avio_rl32(pb);
av_log(s, AV_LOG_DEBUG, "Secret data:\n");
av_get_packet(pb, &pkt, len); av_hex_dump_log(s, AV_LOG_DEBUG, pkt.data, pkt.size); av_free_packet(&pkt);
if ((ret = av_get_packet(pb, &pkt, len)) < 0)
return ret;
av_hex_dump_log(s, AV_LOG_DEBUG, pkt.data, pkt.size);
av_free_packet(&pkt);
len= avio_rl32(pb);
get_tag(s, "ASF_Protection_Type", -1, len, 32);
len= avio_rl32(pb);