diff options
| -rw-r--r-- | libavcodec/vp8.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index 36518d5f7e..6da835b2d1 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -162,11 +162,23 @@ static void update_lf_deltas(VP8Context *s) VP56RangeCoder *c = &s->c; int i; - for (i = 0; i < 4; i++) - s->lf_delta.ref[i] = vp8_rac_get_sint(c, 6); + for (i = 0; i < 4; i++) { + if (vp8_rac_get(c)) { + s->lf_delta.ref[i] = vp8_rac_get_uint(c, 6); + + if (vp8_rac_get(c)) + s->lf_delta.ref[i] = -s->lf_delta.ref[i]; + } + } + + for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++) { + if (vp8_rac_get(c)) { + s->lf_delta.mode[i] = vp8_rac_get_uint(c, 6); - for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++) - s->lf_delta.mode[i] = vp8_rac_get_sint(c, 6); + if (vp8_rac_get(c)) + s->lf_delta.mode[i] = -s->lf_delta.mode[i]; + } + } } static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size) |