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vp6:Reset the internal state when aborting key frames header parsing in vp6 decoder.

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It prevents leaving the state only half initialized.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-09-24 16:19:25 +02:00 committed by Michael Niedermayer
parent 57764c6996
commit 91f104496b
1 changed files with 4 additions and 1 deletions
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5
libavcodec/vp6.c
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@ -139,8 +139,11 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size,
if (coeff_offset) {
buf += coeff_offset;
buf_size -= coeff_offset;
if (buf_size < 0)
if (buf_size < 0) {
if (s->framep[VP56_FRAME_CURRENT]->key_frame)
avcodec_set_dimensions(s->avctx, 0, 0);
return 0;
}
if (s->use_huffman) {
s->parse_coeff = vp6_parse_coeff_huffman;
init_get_bits(&s->gb, buf, buf_size<<3);