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| author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2020-02-06 18:43:24 +0100 |
|---|---|---|
| committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2020-02-06 18:43:24 +0100 |
| commit | f712521586d85c7f6ab03c7b5b79c460f044a109 (patch) | |
| tree | 18c3d94f518281fd2b3fc775a17f394e2e82d1c6 /nihav-duck/src | |
| parent | 7be4326ba1558068402a6f3e3aa90fd0644701be (diff) | |
| download | nihav-f712521586d85c7f6ab03c7b5b79c460f044a109.tar.gz | |
vp7: fix inter mode DC predictor
Diffstat (limited to 'nihav-duck/src')
| -rw-r--r-- | nihav-duck/src/codecs/vp7.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/nihav-duck/src/codecs/vp7.rs b/nihav-duck/src/codecs/vp7.rs index a4d361c..ea423ad 100644 --- a/nihav-duck/src/codecs/vp7.rs +++ b/nihav-duck/src/codecs/vp7.rs @@ -544,11 +544,11 @@ impl VP7Decoder { y2block[0] = dc; } if (pval == 0) || (dc == 0) || ((pval ^ dc) < 0) { - self.dstate.pdc_pred_val = dc; self.dstate.pdc_pred_count = 0; } else if dc == pval { self.dstate.pdc_pred_count += 1; } + self.dstate.pdc_pred_val = dc; } if has_ac[24] { idct4x4(y2block); @@ -1246,8 +1246,10 @@ impl NADecoder for VP7Decoder { let mut mb_idx = 0; self.pcache.reset(); - self.dstate.pdc_pred_val = 0; - self.dstate.pdc_pred_count = 0; + if self.dstate.is_intra || (self.dstate.version > 0) { + self.dstate.pdc_pred_val = 0; + self.dstate.pdc_pred_count = 0; + } let mut use_last = true; for mb_y in 0..self.mb_h { for mb_x in 0..self.mb_w { |