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h264: do not abuse the context as a temporary storage in get_last_needed_nal() 

Use a local variable instead.
This commit is contained in:
Anton Khirnov 2015-01-27 14:25:01 +01:00
parent 404a416d4b
commit 2ea00e35e4
1 changed files with 3 additions and 2 deletions
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5
libavcodec/h264.c
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@ -1372,6 +1372,7 @@ static int get_last_needed_nal(H264Context *h, const uint8_t *buf, int buf_size)
int nals_needed = 0;
while(1) {
GetBitContext gb;
int nalsize = 0;
int dst_length, bit_length, consumed;
const uint8_t *ptr;
@ -1411,8 +1412,8 @@ static int get_last_needed_nal(H264Context *h, const uint8_t *buf, int buf_size)
case NAL_DPA:
case NAL_IDR_SLICE:
case NAL_SLICE:
init_get_bits(&h->gb, ptr, bit_length);
if (!get_ue_golomb(&h->gb))
init_get_bits(&gb, ptr, bit_length);
if (!get_ue_golomb(&gb))
nals_needed = nal_index;
}
}