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[Processing] Relax downsample buffer size requirement

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AFAICT, it is sufficient that the sample buffer has space for half
the source width/height. With the current sample buffer size, this
enables its use for resolutions up to 3840x2176.
This commit is contained in:
Sindre Aamås 2016-06-01 23:57:48 +02:00
parent 68a5910f8f
commit 5a9c6db335
1 changed files with 1 additions and 1 deletions
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codec/processing/src/downsample/downsample.cpp
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@ -149,7 +149,7 @@ EResult CDownsampling::Process (int32_t iType, SPixMap* pSrcPixMap, SPixMap* pDs
if (iSrcWidthY <= iDstWidthY || iSrcHeightY <= iDstHeightY) {
return RET_INVALIDPARAM;
}
if (iSrcWidthY > MAX_SAMPLE_WIDTH || iSrcHeightY > MAX_SAMPLE_HEIGHT || m_bNoSampleBuffer) {
if ((iSrcWidthY >> 1) > MAX_SAMPLE_WIDTH || (iSrcHeightY >> 1) > MAX_SAMPLE_HEIGHT || m_bNoSampleBuffer) {
if ((iSrcWidthY >> 1) == iDstWidthY && (iSrcHeightY >> 1) == iDstHeightY) {
// use half average functions
DownsampleHalfAverage ((uint8_t*)pDstPixMap->pPixel[0], pDstPixMap->iStride[0],