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Commit fd4ce6af authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
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Merge "C2SoftAvcEnc: More QP bounding interface work"

parents 17981e0a 6993db11

media/codec2/components/avc/C2SoftAvcEnc.cpp

+12 −10
Original line number Diff line number Diff line
@@ -392,9 +392,9 @@ public: 
    static C2R PictureQuantizationSetter(bool mayBlock,

                                         C2P<C2StreamPictureQuantizationTuning::output> &me) {

        (void)mayBlock;

        (void)me;



        // TODO: refactor with same algorithm in the SetQp()

        // these are the ones we're going to set, so want them to default

        // to the DEFAULT values for the codec

        int32_t iMin = DEFAULT_I_QP_MIN, pMin = DEFAULT_P_QP_MIN, bMin = DEFAULT_B_QP_MIN;

        int32_t iMax = DEFAULT_I_QP_MAX, pMax = DEFAULT_P_QP_MAX, bMax = DEFAULT_B_QP_MAX;
@@ -419,13 +419,14 @@ public: 
        ALOGV("PictureQuantizationSetter(entry): i %d-%d p %d-%d b %d-%d",

              iMin, iMax, pMin, pMax, bMin, bMax);



        // ensure we have legal values

        iMax = std::clamp(iMax, CODEC_QP_MIN, CODEC_QP_MAX);

        iMin = std::clamp(iMin, CODEC_QP_MIN, CODEC_QP_MAX);

        pMax = std::clamp(pMax, CODEC_QP_MIN, CODEC_QP_MAX);

        pMin = std::clamp(pMin, CODEC_QP_MIN, CODEC_QP_MAX);

        bMax = std::clamp(bMax, CODEC_QP_MIN, CODEC_QP_MAX);

        bMin = std::clamp(bMin, CODEC_QP_MIN, CODEC_QP_MAX);

        // min is clamped to [AVC_QP_MIN, max] to avoid error

        // cases where layer.min > layer.max

        iMax = std::clamp(iMax, AVC_QP_MIN, AVC_QP_MAX);

        iMin = std::clamp(iMin, AVC_QP_MIN, iMax);

        pMax = std::clamp(pMax, AVC_QP_MIN, AVC_QP_MAX);

        pMin = std::clamp(pMin, AVC_QP_MIN, pMax);

        bMax = std::clamp(bMax, AVC_QP_MIN, AVC_QP_MAX);

        bMin = std::clamp(bMin, AVC_QP_MIN, bMax);



        // put them back into the structure

        for (size_t i = 0; i < me.v.flexCount(); ++i) {
@@ -820,7 +821,8 @@ c2_status_t C2SoftAvcEnc::setQp() { 
    s_qp_ip.e_cmd = IVE_CMD_VIDEO_CTL;

    s_qp_ip.e_sub_cmd = IVE_CMD_CTL_SET_QP;



    // TODO: refactor with same algorithm in the PictureQuantizationSetter()

    // we resolved out-of-bound and unspecified values in PictureQuantizationSetter()

    // so we can start with defaults that are overridden as needed.

    int32_t iMin = DEFAULT_I_QP_MIN, pMin = DEFAULT_P_QP_MIN, bMin = DEFAULT_B_QP_MIN;

    int32_t iMax = DEFAULT_I_QP_MAX, pMax = DEFAULT_P_QP_MAX, bMax = DEFAULT_B_QP_MAX;

media/codec2/components/avc/C2SoftAvcEnc.h

+2 −2
Original line number Diff line number Diff line
@@ -102,8 +102,8 @@ namespace android { 
/** limits as specified by h264

 *  (QP_MIN==4 is actually a limitation of this SW codec, not the H.264 standard)

 **/

#define CODEC_QP_MIN                4

#define CODEC_QP_MAX                51

#define AVC_QP_MIN                4

#define AVC_QP_MAX                51





#define MIN(a, b) ((a) < (b))? (a) : (b)