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Code Issues Releases Activity

rtpdec_h264: Use av_realloc instead of av_malloc+mempcy

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This is similar to what was done for rtpdec_hevc in ced7238cd0.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2015-02-19 21:12:06 +02:00
parent 8bdbf49c6f
commit 7650caf013
1 changed files with 5 additions and 8 deletions
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13
libavformat/rtpdec_h264.c
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@ -115,18 +115,16 @@ static int parse_sprop_parameter_sets(AVFormatContext *s,
packet_size = av_base64_decode(decoded_packet, base64packet,
sizeof(decoded_packet));
if (packet_size > 0) {
uint8_t *dest = av_malloc(packet_size + sizeof(start_sequence) +
codec->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
uint8_t *dest = av_realloc(codec->extradata,
packet_size + sizeof(start_sequence) +
codec->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
if (!dest) {
av_log(s, AV_LOG_ERROR,
"Unable to allocate memory for extradata!\n");
return AVERROR(ENOMEM);
}
if (codec->extradata_size) {
memcpy(dest, codec->extradata, codec->extradata_size);
av_free(codec->extradata);
}
codec->extradata = dest;
memcpy(dest + codec->extradata_size, start_sequence,
sizeof(start_sequence));
@ -135,7 +133,6 @@ static int parse_sprop_parameter_sets(AVFormatContext *s,
memset(dest + codec->extradata_size + sizeof(start_sequence) +
packet_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
codec->extradata = dest;
codec->extradata_size += sizeof(start_sequence) + packet_size;
}
}