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cbs_h2645: Allocate all internal buffers with padding

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Any of these buffers (for both H.264 and H.265) might reasonably be
parsed using the bitstream reader, so include padding on all of them.
This commit is contained in:
Mark Thompson 2018-10-16 22:01:28 +01:00
parent e5fda1ff28
commit da6db843b8
2 changed files with 3 additions and 2 deletions
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3
libavcodec/cbs_h2645.c
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@ -319,7 +319,8 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
#define byte_alignment(rw) (get_bits_count(rw) % 8)
#define allocate(name, size) do { \
name ## _ref = av_buffer_allocz(size); \
name ## _ref = av_buffer_allocz(size + \
AV_INPUT_BUFFER_PADDING_SIZE); \
if (!name ## _ref) \
return AVERROR(ENOMEM); \
name = name ## _ref->data; \

2
libavcodec/cbs_h264_syntax_template.c
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@ -718,7 +718,7 @@ static int FUNC(sei_user_data_registered)(CodedBitstreamContext *ctx, RWContext
*payload_size = i + current->data_length;
#endif
allocate(current->data, current->data_length + AV_INPUT_BUFFER_PADDING_SIZE);
allocate(current->data, current->data_length);
for (j = 0; j < current->data_length; j++)
xu(8, itu_t_t35_payload_byte[i], current->data[j], 0x00, 0xff, 1, i + j);