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avviddec: Correctly handle 0-sized buffers without crashing

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Might e.g. be valid for Theora.
This commit is contained in:
Sebastian Dröge 2012-09-27 12:20:30 +02:00
parent 787bd57ea1
commit f0d700d5ca
1 changed files with 2 additions and 2 deletions
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4
ext/libav/gstavviddec.c
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@ -1340,8 +1340,8 @@ gst_ffmpegviddec_handle_frame (GstVideoDecoder * decoder,
bdata = minfo.data;
bsize = minfo.size;
if (!GST_MEMORY_IS_ZERO_PADDED (minfo.memory)
|| (minfo.maxsize - minfo.size) < FF_INPUT_BUFFER_PADDING_SIZE) {
if (bsize > 0 && (!GST_MEMORY_IS_ZERO_PADDED (minfo.memory)
|| (minfo.maxsize - minfo.size) < FF_INPUT_BUFFER_PADDING_SIZE)) {
/* add padding */
if (ffmpegdec->padded_size < bsize + FF_INPUT_BUFFER_PADDING_SIZE) {
ffmpegdec->padded_size = bsize + FF_INPUT_BUFFER_PADDING_SIZE;