| commit | 0359ad7f9a8d8e78482b869d9c911df4d02f5dbf | |
| author | Jingning Han <jingning@google.com> | |
| Tue, 23 Jul 2013 17:02:43 +0000 (23 10:02 -0700) | ||
| committer | Jingning Han <jingning@google.com> | |
| Tue, 23 Jul 2013 17:06:41 +0000 (23 10:06 -0700) | ||
| tree | 4051ce219d560e4e3d6f58ba1581acdf41cb8236 | treesnapshot (tar.gz zip) |
| parent | cedd24ec619849994eebc23d02f3141c6a4acefb | commitdiff |
Skip inverse transform when eob is zero
When all the transform coefficients were quantized to zero, skip
the inverse transform operation. For bus_cif at 1000 kbps, the
runtime goes from 154967ms -> 149842ms, i.e., about 3% speed-up,
at speed 0.
Change-Id: Ic0a813fff5e28972d4888ee42d8747846a6c3cc6
When all the transform coefficients were quantized to zero, skip
the inverse transform operation. For bus_cif at 1000 kbps, the
runtime goes from 154967ms -> 149842ms, i.e., about 3% speed-up,
at speed 0.
Change-Id: Ic0a813fff5e28972d4888ee42d8747846a6c3cc6
| vp9/encoder/vp9_encodemb.c | diffblobblamehistory |