[x265] [PATCH] add API and implementation for Region of Interest(ROI)
Santhoshini Sekar
santhoshini at multicorewareinc.com
Tue Aug 11 05:42:46 CEST 2015
Ok, will modify the patch accordingly and send.
On Tue, Aug 11, 2015 at 8:57 AM, Deepthi Nandakumar <
deepthi at multicorewareinc.com> wrote:
> Thanks - this version is technically correct, can you send another patch
> without the callback functions?
>
> On Fri, Aug 7, 2015 at 11:50 PM, Steve Borho <steve at borho.org> wrote:
>
>> On 08/07, santhoshini at multicorewareinc.com wrote:
>> > # HG changeset patch
>> > # User Santhoshini Sekar<santhoshini at multicorewareinc.com>
>> > # Date 1438839704 -19800
>> > # Thu Aug 06 11:11:44 2015 +0530
>> > # Node ID 450055cd2ef7e85ba8fff2d163161c0d0428b5fe
>> > # Parent 9982ac741d1850d2b2451985feef5e0de0790794
>> > add API and implementation for Region of Interest(ROI)
>>
>> this version looks ok
>>
>> > diff -r 9982ac741d18 -r 450055cd2ef7 source/CMakeLists.txt
>> > --- a/source/CMakeLists.txt Thu Aug 06 10:29:06 2015 +0530
>> > +++ b/source/CMakeLists.txt Thu Aug 06 11:11:44 2015 +0530
>> > @@ -30,7 +30,7 @@
>> > mark_as_advanced(FPROFILE_USE FPROFILE_GENERATE NATIVE_BUILD)
>> >
>> > # X265_BUILD must be incremented each time the public API is changed
>> > -set(X265_BUILD 68)
>> > +set(X265_BUILD 69)
>> > configure_file("${PROJECT_SOURCE_DIR}/x265.def.in"
>> > "${PROJECT_BINARY_DIR}/x265.def")
>> > configure_file("${PROJECT_SOURCE_DIR}/x265_config.h.in"
>> > diff -r 9982ac741d18 -r 450055cd2ef7 source/common/frame.h
>> > --- a/source/common/frame.h Thu Aug 06 10:29:06 2015 +0530
>> > +++ b/source/common/frame.h Thu Aug 06 11:11:44 2015 +0530
>> > @@ -59,6 +59,8 @@
>> > bool m_lowresInit; // lowres init
>> complete (pre-analysis)
>> > bool m_bChromaExtended; // orig chroma planes
>> motion extended for weight analysis
>> >
>> > + float* m_quantOffsets; // points to
>> quantOffsets in x265_picture
>> > +
>> > /* Frame Parallelism - notification between FrameEncoders of
>> available motion reference rows */
>> > ThreadSafeInteger m_reconRowCount; // count of CTU rows
>> completely reconstructed and extended for motion reference
>> > volatile uint32_t m_countRefEncoders; // count of
>> FrameEncoder threads monitoring m_reconRowCount
>> > @@ -73,6 +75,7 @@
>> > bool allocEncodeData(x265_param *param, const SPS& sps);
>> > void reinit(const SPS& sps);
>> > void destroy();
>> > + void (*quantOffsetsFree)(void*);
>> > };
>> > }
>> >
>> > diff -r 9982ac741d18 -r 450055cd2ef7 source/encoder/encoder.cpp
>> > --- a/source/encoder/encoder.cpp Thu Aug 06 10:29:06 2015 +0530
>> > +++ b/source/encoder/encoder.cpp Thu Aug 06 11:11:44 2015 +0530
>> > @@ -465,6 +465,8 @@
>> > inFrame->m_pts = pic_in->pts;
>> > inFrame->m_forceqp = pic_in->forceqp;
>> > inFrame->m_param = m_reconfigured ? m_latestParam :
>> m_param;
>> > + inFrame->m_quantOffsets = pic_in->quantOffsets;
>> > + inFrame->quantOffsetsFree = pic_in->quantOffsets_free;
>> >
>> > if (m_pocLast == 0)
>> > m_firstPts = inFrame->m_pts;
>> > @@ -632,6 +634,9 @@
>> > frameEnc = m_lookahead->getDecidedPicture();
>> > if (frameEnc && !pass)
>> > {
>> > + if (frameEnc->quantOffsetsFree)
>> > + frameEnc->quantOffsetsFree(frameEnc->m_quantOffsets);
>> > +
>> > /* give this frame a FrameData instance before encoding */
>> > if (m_dpb->m_picSymFreeList)
>> > {
>> > diff -r 9982ac741d18 -r 450055cd2ef7 source/encoder/slicetype.cpp
>> > --- a/source/encoder/slicetype.cpp Thu Aug 06 10:29:06 2015 +0530
>> > +++ b/source/encoder/slicetype.cpp Thu Aug 06 11:11:44 2015 +0530
>> > @@ -96,6 +96,7 @@
>> > int maxRow = curFrame->m_fencPic->m_picHeight;
>> > int blockCount = curFrame->m_lowres.maxBlocksInRow *
>> curFrame->m_lowres.maxBlocksInCol;
>> >
>> > + float* quantOffsets = curFrame->m_quantOffsets;
>> > for (int y = 0; y < 3; y++)
>> > {
>> > curFrame->m_lowres.wp_ssd[y] = 0;
>> > @@ -113,10 +114,21 @@
>> >
>> > if (param->rc.aqMode && param->rc.aqStrength == 0)
>> > {
>> > - memset(curFrame->m_lowres.qpCuTreeOffset, 0, cuCount *
>> sizeof(double));
>> > - memset(curFrame->m_lowres.qpAqOffset, 0, cuCount *
>> sizeof(double));
>> > - for (int cuxy = 0; cuxy < cuCount; cuxy++)
>> > - curFrame->m_lowres.invQscaleFactor[cuxy] = 256;
>> > + if (quantOffsets)
>> > + {
>> > + for (int cuxy = 0; cuxy < cuCount; cuxy++)
>> > + {
>> > + curFrame->m_lowres.qpCuTreeOffset[cuxy] =
>> curFrame->m_lowres.qpAqOffset[cuxy] = quantOffsets[cuxy];
>> > + curFrame->m_lowres.invQscaleFactor[cuxy] =
>> x265_exp2fix8(curFrame->m_lowres.qpCuTreeOffset[cuxy]);
>> > + }
>> > + }
>> > + else
>> > + {
>> > + memset(curFrame->m_lowres.qpCuTreeOffset, 0, cuCount *
>> sizeof(double));
>> > + memset(curFrame->m_lowres.qpAqOffset, 0, cuCount *
>> sizeof(double));
>> > + for (int cuxy = 0; cuxy < cuCount; cuxy++)
>> > + curFrame->m_lowres.invQscaleFactor[cuxy] = 256;
>> > + }
>> > }
>> >
>> > /* Need variance data for weighted prediction */
>> > @@ -177,6 +189,8 @@
>> > uint32_t energy = acEnergyCu(curFrame, blockX,
>> blockY, param->internalCsp);
>> > qp_adj = strength * (X265_LOG2(X265_MAX(energy,
>> 1)) - (14.427f + 2 * (X265_DEPTH - 8)));
>> > }
>> > + if (quantOffsets)
>> > + qp_adj += quantOffsets[blockXY];
>> > curFrame->m_lowres.qpAqOffset[blockXY] = qp_adj;
>> > curFrame->m_lowres.qpCuTreeOffset[blockXY] = qp_adj;
>> > curFrame->m_lowres.invQscaleFactor[blockXY] =
>> x265_exp2fix8(qp_adj);
>> > diff -r 9982ac741d18 -r 450055cd2ef7 source/x265.h
>> > --- a/source/x265.h Thu Aug 06 10:29:06 2015 +0530
>> > +++ b/source/x265.h Thu Aug 06 11:11:44 2015 +0530
>> > @@ -205,6 +205,17 @@
>> > * this data structure */
>> > x265_analysis_data analysisData;
>> >
>> > + /* An array of quantizer offsets to be applied to this image
>> during encoding.
>> > + * These are added on top of the decisions made by rateControl.
>> > + * Adaptive quantization must be enabled to use this feature.
>> These quantizer
>> > + * offsets should be given for each 16x16 block. Behavior if quant
>> > + * offsets differ between encoding passes is undefined. */
>> > + float *quantOffsets;
>> > +
>> > + /* optional callback to free quant_offsets when used.
>> > + * Useful if one wants to use a different quant_offset array for
>> each frame. */
>> > + void (*quantOffsets_free)(void*);
>> > +
>> > /* Frame level statistics */
>> > x265_frame_stats frameData;
>> >
>> > _______________________________________________
>> > x265-devel mailing list
>> > x265-devel at videolan.org
>> > https://mailman.videolan.org/listinfo/x265-devel
>>
>> --
>> Steve Borho
>> _______________________________________________
>> x265-devel mailing list
>> x265-devel at videolan.org
>> https://mailman.videolan.org/listinfo/x265-devel
>>
>
>
> _______________________________________________
> x265-devel mailing list
> x265-devel at videolan.org
> https://mailman.videolan.org/listinfo/x265-devel
>
>
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