5988
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master: 86%

Ran 27 Feb 2020 06:50PM UTC

Jobs 1

Files 58

Run time 16s

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Build # 5988

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push

travis-ci

Committed by Raphaël Zumer

Commit Message

Fix desync when using multiple segments

The segmentation index is a partition-level flag, but in
`encode_tx_block` we were looking it up using the offset of the current
transform block. This _almost_ works but can be wrong for chroma blocks
because the transform block offset might not be contained in the
partition (see added documentation for an example). We could fix this
locally in `encode_tx_block` by passing `tile_partition_bo` instead of
`tx_bo` to `get_qidx`, but it's simpler to just have `qidx` be a
parameter of `encode_tx_block` since the caller already knows what the
correct `qidx` is anyway.

This commit only reenables segmentation at speed 0 since it heavily
impacts speed right now, see FIXME comment.

objective-1-fast results at speed 0:

   PSNR | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
-1.0540 |  -1.4265 | -3.8863 | -3.9374 |    -4.1611

Looks good, except dark70p hates this for some reason:

   PSNR | PSNR HVS |    SSIM | MS SSIM | CIEDE 2000
 6.6386 |   5.6340 |  3.6653 |  3.9391 |     0.0501

Run Details

0 of 14371 relevant lines covered (0.0%)

0.0 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
2	5988.2 (CACHE_NAME=COVERALLS)	27 Feb 2020 06:50PM UTC	0	0.0	Travis Job 5988.2

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