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Handle av_base64_decode return value

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garbled sdp would cause crash otherwise.

Originally committed as revision 24191 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato 2010-07-11 11:54:48 +00:00
parent 617d56cafa
commit dc6cf61e33
1 changed files with 2 additions and 2 deletions
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4
libavformat/rtpdec_h264.c
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@ -120,7 +120,7 @@ static int sdp_parse_fmtp_config_h264(AVStream * stream,
while (*value) {
char base64packet[1024];
uint8_t decoded_packet[1024];
uint32_t packet_size;
int packet_size;
char *dst = base64packet;
while (*value && *value != ','
@ -133,7 +133,7 @@ static int sdp_parse_fmtp_config_h264(AVStream * stream,
value++;
packet_size= av_base64_decode(decoded_packet, base64packet, sizeof(decoded_packet));
if (packet_size) {
if (packet_size > 0) {
uint8_t *dest = av_malloc(packet_size + sizeof(start_sequence) +
codec->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);