| commit | 6c17c9fae0f54942abe480414b4c0db7b2476412 | [log] [tgz] |
|---|---|---|
| author | Yunqing Wang <yunqingwang@google.com> | Tue Nov 06 16:06:22 2012 -0800 |
| committer | Yunqing Wang <yunqingwang@google.com> | Wed Nov 07 20:04:09 2012 -0800 |
| tree | c9fc78a93e43b05213608c45f0232f51ffa8af83 | |
| parent | 4626faf1e75ab229552d626db07c18e122971096 [diff] |
Optimize 16x16 dequant and idct As suggested by Yaowu, simplified 16x16 dequant and idct. In decoder, after detoken step, we know the number of non-zero dct coefficients (eobs) in a macroblock. Idct calculation can be skipped or simplified based on eobs, which improves the decoder performance. Change-Id: I9ffa1cb134bcb5a7d64fcf90c81871a96d1b4018