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Update the only 3 remaining kFilterBilinear to kFilterBox.

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Bilinear is faster but lesser quality, box is best quality. Our code
base has disagreed about which filter to use for quite some time,
causing aliasing bug reports. In an effort to avoid aliasing artifacts
and make our scaling filters more predictable, we're updating all uses
to kFilterBox.

WebRTC already uses kFilterBox everywhere except for these three
places. The main discrepency was between Chromium and WebRTC but that
has already been fixed. This CL fixes the last remaining bilinears.

This brings the WebRTC kFilterBox use count up from 11 to 14 and the
kFilterBilinear use count down from 3 to 0.

Bug: chromium:1212630
Change-Id: I5fe4aa92b9275d65b91ea97925533055d190d317
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/221372
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34248}
This commit is contained in:
Henrik Boström
2021-06-07 12:14:09 +02:00
committed by WebRTC LUCI CQ
parent d9a135b088
commit 58126f92bf
3 changed files with 3 additions and 4 deletions
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2
modules/video_coding/codecs/h264/h264_encoder_impl.cc
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@ -445,7 +445,7 @@ int32_t H264EncoderImpl::Encode(
pictures_[i].iStride[0], pictures_[i].pData[1],
pictures_[i].iStride[1], pictures_[i].pData[2],
pictures_[i].iStride[2], configurations_[i].width,
configurations_[i].height, libyuv::kFilterBilinear);
configurations_[i].height, libyuv::kFilterBox);
}
if (!configurations_[i].sending) {