source/libvpx/vp8/encoder/encodeframe.c - Issue 7671004: Update libvpx snapshot to v0.9.7-p1 (Cayuga).

Unified Diff: source/libvpx/vp8/encoder/encodeframe.c

Issue 7671004: Update libvpx snapshot to v0.9.7-p1 (Cayuga). (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/

Patch Set: '' Created 9 years, 4 months ago

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Index: source/libvpx/vp8/encoder/encodeframe.c

===================================================================

--- source/libvpx/vp8/encoder/encodeframe.c (revision 96967)

+++ source/libvpx/vp8/encoder/encodeframe.c (working copy)

@@ -50,6 +50,7 @@

void vp8_setup_block_ptrs(MACROBLOCK *x);

int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t, int recon_yoffset, int recon_uvoffset);

int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t);

+static void adjust_act_zbin( VP8_COMP *cpi, MACROBLOCK *x );

#ifdef MODE_STATS

unsigned int inter_y_modes[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

@@ -60,406 +61,303 @@

unsigned int b_modes[14] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

#endif

-static const int qrounding_factors[129] =

- 48, 48, 48, 48, 48, 48, 48, 48,

- 48

-};

-static const int qzbin_factors[129] =

+/* activity_avg must be positive, or flat regions could get a zero weight

+ * (infinite lambda), which confounds analysis.

+ * This also avoids the need for divide by zero checks in

+ * vp8_activity_masking().

+ */

+#define VP8_ACTIVITY_AVG_MIN (64)

+/* This is used as a reference when computing the source variance for the

+ * purposes of activity masking.

+ * Eventually this should be replaced by custom no-reference routines,

+ * which will be faster.

+ */

+static const unsigned char VP8_VAR_OFFS[16]=

{

- 84, 84, 84, 84, 84, 84, 84, 84,

- 80, 80, 80, 80, 80, 80, 80, 80,

- 80

+ 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128

};

-static const int qrounding_factors_y2[129] =

+// Original activity measure from Tim T's code.

+static unsigned int tt_activity_measure( VP8_COMP *cpi, MACROBLOCK *x )

{

- 48, 48, 48, 48, 48, 48, 48, 48,

- 48

-};

+ unsigned int act;

+ unsigned int sse;

+ /* TODO: This could also be done over smaller areas (8x8), but that would

+ * require extensive changes elsewhere, as lambda is assumed to be fixed

+ * over an entire MB in most of the code.

+ * Another option is to compute four 8x8 variances, and pick a single

+ * lambda using a non-linear combination (e.g., the smallest, or second

+ * smallest, etc.).

+ */

+ act = VARIANCE_INVOKE(&cpi->rtcd.variance, var16x16)(x->src.y_buffer,

+ x->src.y_stride, VP8_VAR_OFFS, 0, &sse);

+ act = act<<4;

-static const int qzbin_factors_y2[129] =

+ /* If the region is flat, lower the activity some more. */

+ if (act < 8<<12)

+ act = act < 5<<12 ? act : 5<<12;

+ return act;

+// Stub for alternative experimental activity measures.

+static unsigned int alt_activity_measure( VP8_COMP *cpi,

+ MACROBLOCK *x, int use_dc_pred )

{

- 84, 84, 84, 84, 84, 84, 84, 84,

- 80, 80, 80, 80, 80, 80, 80, 80,

- 80

-};

+ return vp8_encode_intra(cpi,x, use_dc_pred);

-#define EXACT_QUANT

-#ifdef EXACT_QUANT

-static void vp8cx_invert_quant(int improved_quant, short *quant,

- short *shift, short d)

+// Measure the activity of the current macroblock

+// What we measure here is TBD so abstracted to this function

+#define ALT_ACT_MEASURE 1

+static unsigned int mb_activity_measure( VP8_COMP *cpi, MACROBLOCK *x,

+ int mb_row, int mb_col)

{

- if(improved_quant)

+ unsigned int mb_activity;

+ if ( ALT_ACT_MEASURE )

{

- unsigned t;

- int l;

- t = d;

- for(l = 0; t > 1; l++)

- t>>=1;

- t = 1 + (1<<(16+l))/d;

- *quant = (short)(t - (1<<16));

- *shift = l;

+ int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);

+ // Or use and alternative.

+ mb_activity = alt_activity_measure( cpi, x, use_dc_pred );

}

else

{

- *quant = (1 << 16) / d;

- *shift = 0;

+ // Original activity measure from Tim T's code.

+ mb_activity = tt_activity_measure( cpi, x );

}

-void vp8cx_init_quantizer(VP8_COMP *cpi)

- int i;

- int quant_val;

- int Q;

+ if ( mb_activity < VP8_ACTIVITY_AVG_MIN )

+ mb_activity = VP8_ACTIVITY_AVG_MIN;

- int zbin_boost[16] = {0, 0, 8, 10, 12, 14, 16, 20, 24, 28, 32, 36, 40, 44, 44, 44};

+ return mb_activity;

- for (Q = 0; Q < QINDEX_RANGE; Q++)

+// Calculate an "average" mb activity value for the frame

+#define ACT_MEDIAN 0

+static void calc_av_activity( VP8_COMP *cpi, int64_t activity_sum )

+#if ACT_MEDIAN

+ // Find median: Simple n^2 algorithm for experimentation

{

- // dc values

- quant_val = vp8_dc_quant(Q, cpi->common.y1dc_delta_q);

- cpi->Y1quant_fast[Q][0] = (1 << 16) / quant_val;

- vp8cx_invert_quant(cpi->sf.improved_quant, cpi->Y1quant[Q] + 0,

- cpi->Y1quant_shift[Q] + 0, quant_val);

- cpi->Y1zbin[Q][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;

- cpi->Y1round[Q][0] = (qrounding_factors[Q] * quant_val) >> 7;

- cpi->common.Y1dequant[Q][0] = quant_val;

- cpi->zrun_zbin_boost_y1[Q][0] = (quant_val * zbin_boost[0]) >> 7;

+ unsigned int median;

+ unsigned int i,j;

+ unsigned int * sortlist;

+ unsigned int tmp;

- quant_val = vp8_dc2quant(Q, cpi->common.y2dc_delta_q);

- cpi->Y2quant_fast[Q][0] = (1 << 16) / quant_val;

- vp8cx_invert_quant(cpi->sf.improved_quant, cpi->Y2quant[Q] + 0,

- cpi->Y2quant_shift[Q] + 0, quant_val);

- cpi->Y2zbin[Q][0] = ((qzbin_factors_y2[Q] * quant_val) + 64) >> 7;

- cpi->Y2round[Q][0] = (qrounding_factors_y2[Q] * quant_val) >> 7;

- cpi->common.Y2dequant[Q][0] = quant_val;

- cpi->zrun_zbin_boost_y2[Q][0] = (quant_val * zbin_boost[0]) >> 7;

+ // Create a list to sort to

+ CHECK_MEM_ERROR(sortlist,

+ vpx_calloc(sizeof(unsigned int),

+ cpi->common.MBs));

- quant_val = vp8_dc_uv_quant(Q, cpi->common.uvdc_delta_q);

- cpi->UVquant_fast[Q][0] = (1 << 16) / quant_val;

- vp8cx_invert_quant(cpi->sf.improved_quant, cpi->UVquant[Q] + 0,

- cpi->UVquant_shift[Q] + 0, quant_val);

- cpi->UVzbin[Q][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;;

- cpi->UVround[Q][0] = (qrounding_factors[Q] * quant_val) >> 7;

- cpi->common.UVdequant[Q][0] = quant_val;

- cpi->zrun_zbin_boost_uv[Q][0] = (quant_val * zbin_boost[0]) >> 7;

+ // Copy map to sort list

+ vpx_memcpy( sortlist, cpi->mb_activity_map,

+ sizeof(unsigned int) * cpi->common.MBs );

- // all the ac values = ;

- for (i = 1; i < 16; i++)

+ // Ripple each value down to its correct position

+ for ( i = 1; i < cpi->common.MBs; i ++ )

{

- int rc = vp8_default_zig_zag1d[i];

+ for ( j = i; j > 0; j -- )

+ {

+ if ( sortlist[j] < sortlist[j-1] )

+ {

+ // Swap values

+ tmp = sortlist[j-1];

+ sortlist[j-1] = sortlist[j];

+ sortlist[j] = tmp;

+ }

+ else

+ break;

+ }

- quant_val = vp8_ac_yquant(Q);

- cpi->Y1quant_fast[Q][rc] = (1 << 16) / quant_val;

- vp8cx_invert_quant(cpi->sf.improved_quant, cpi->Y1quant[Q] + rc,

- cpi->Y1quant_shift[Q] + rc, quant_val);

- cpi->Y1zbin[Q][rc] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;

- cpi->Y1round[Q][rc] = (qrounding_factors[Q] * quant_val) >> 7;

- cpi->common.Y1dequant[Q][rc] = quant_val;

- cpi->zrun_zbin_boost_y1[Q][i] = (quant_val * zbin_boost[i]) >> 7;

+ // Even number MBs so estimate median as mean of two either side.

+ median = ( 1 + sortlist[cpi->common.MBs >> 1] +

+ sortlist[(cpi->common.MBs >> 1) + 1] ) >> 1;

- quant_val = vp8_ac2quant(Q, cpi->common.y2ac_delta_q);

- cpi->Y2quant_fast[Q][rc] = (1 << 16) / quant_val;

- vp8cx_invert_quant(cpi->sf.improved_quant, cpi->Y2quant[Q] + rc,

- cpi->Y2quant_shift[Q] + rc, quant_val);

- cpi->Y2zbin[Q][rc] = ((qzbin_factors_y2[Q] * quant_val) + 64) >> 7;

- cpi->Y2round[Q][rc] = (qrounding_factors_y2[Q] * quant_val) >> 7;

- cpi->common.Y2dequant[Q][rc] = quant_val;

- cpi->zrun_zbin_boost_y2[Q][i] = (quant_val * zbin_boost[i]) >> 7;

+ cpi->activity_avg = median;

- quant_val = vp8_ac_uv_quant(Q, cpi->common.uvac_delta_q);

- cpi->UVquant_fast[Q][rc] = (1 << 16) / quant_val;

- vp8cx_invert_quant(cpi->sf.improved_quant, cpi->UVquant[Q] + rc,

- cpi->UVquant_shift[Q] + rc, quant_val);

- cpi->UVzbin[Q][rc] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;

- cpi->UVround[Q][rc] = (qrounding_factors[Q] * quant_val) >> 7;

- cpi->common.UVdequant[Q][rc] = quant_val;

- cpi->zrun_zbin_boost_uv[Q][i] = (quant_val * zbin_boost[i]) >> 7;

- }

+ vpx_free(sortlist);

}

#else

-void vp8cx_init_quantizer(VP8_COMP *cpi)

- int i;

- int quant_val;

- int Q;

+ // Simple mean for now

+ cpi->activity_avg = (unsigned int)(activity_sum/cpi->common.MBs);

+#endif

- int zbin_boost[16] = {0, 0, 8, 10, 12, 14, 16, 20, 24, 28, 32, 36, 40, 44, 44, 44};

+ if (cpi->activity_avg < VP8_ACTIVITY_AVG_MIN)

+ cpi->activity_avg = VP8_ACTIVITY_AVG_MIN;

- for (Q = 0; Q < QINDEX_RANGE; Q++)

- {

- // dc values

- quant_val = vp8_dc_quant(Q, cpi->common.y1dc_delta_q);

- cpi->Y1quant[Q][0] = (1 << 16) / quant_val;

- cpi->Y1zbin[Q][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;

- cpi->Y1round[Q][0] = (qrounding_factors[Q] * quant_val) >> 7;

- cpi->common.Y1dequant[Q][0] = quant_val;

- cpi->zrun_zbin_boost_y1[Q][0] = (quant_val * zbin_boost[0]) >> 7;

+ // Experimental code: return fixed value normalized for several clips

+ if ( ALT_ACT_MEASURE )

+ cpi->activity_avg = 100000;

- quant_val = vp8_dc2quant(Q, cpi->common.y2dc_delta_q);

- cpi->Y2quant[Q][0] = (1 << 16) / quant_val;

- cpi->Y2zbin[Q][0] = ((qzbin_factors_y2[Q] * quant_val) + 64) >> 7;

- cpi->Y2round[Q][0] = (qrounding_factors_y2[Q] * quant_val) >> 7;

- cpi->common.Y2dequant[Q][0] = quant_val;

- cpi->zrun_zbin_boost_y2[Q][0] = (quant_val * zbin_boost[0]) >> 7;

+#define USE_ACT_INDEX 0

+#define OUTPUT_NORM_ACT_STATS 0

- quant_val = vp8_dc_uv_quant(Q, cpi->common.uvdc_delta_q);

- cpi->UVquant[Q][0] = (1 << 16) / quant_val;

- cpi->UVzbin[Q][0] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;;

- cpi->UVround[Q][0] = (qrounding_factors[Q] * quant_val) >> 7;

- cpi->common.UVdequant[Q][0] = quant_val;

- cpi->zrun_zbin_boost_uv[Q][0] = (quant_val * zbin_boost[0]) >> 7;

+#if USE_ACT_INDEX

+// Calculate and activity index for each mb

+static void calc_activity_index( VP8_COMP *cpi, MACROBLOCK *x )

+ VP8_COMMON *const cm = & cpi->common;

+ int mb_row, mb_col;

- // all the ac values = ;

- for (i = 1; i < 16; i++)

+ int64_t act;

+ int64_t a;

+ int64_t b;

+#if OUTPUT_NORM_ACT_STATS

+ FILE *f = fopen("norm_act.stt", "a");

+ fprintf(f, "\n%12d\n", cpi->activity_avg );

+#endif

+ // Reset pointers to start of activity map

+ x->mb_activity_ptr = cpi->mb_activity_map;

+ // Calculate normalized mb activity number.

+ for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)

+ {

+ // for each macroblock col in image

+ for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)

{

- int rc = vp8_default_zig_zag1d[i];

+ // Read activity from the map

+ act = *(x->mb_activity_ptr);

- quant_val = vp8_ac_yquant(Q);

- cpi->Y1quant[Q][rc] = (1 << 16) / quant_val;

- cpi->Y1zbin[Q][rc] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;

- cpi->Y1round[Q][rc] = (qrounding_factors[Q] * quant_val) >> 7;

- cpi->common.Y1dequant[Q][rc] = quant_val;

- cpi->zrun_zbin_boost_y1[Q][i] = (quant_val * zbin_boost[i]) >> 7;

+ // Calculate a normalized activity number

+ a = act + 4*cpi->activity_avg;

+ b = 4*act + cpi->activity_avg;

- quant_val = vp8_ac2quant(Q, cpi->common.y2ac_delta_q);

- cpi->Y2quant[Q][rc] = (1 << 16) / quant_val;

- cpi->Y2zbin[Q][rc] = ((qzbin_factors_y2[Q] * quant_val) + 64) >> 7;

- cpi->Y2round[Q][rc] = (qrounding_factors_y2[Q] * quant_val) >> 7;

- cpi->common.Y2dequant[Q][rc] = quant_val;

- cpi->zrun_zbin_boost_y2[Q][i] = (quant_val * zbin_boost[i]) >> 7;

+ if ( b >= a )

+ *(x->activity_ptr) = (int)((b + (a>>1))/a) - 1;

+ else

+ *(x->activity_ptr) = 1 - (int)((a + (b>>1))/b);

- quant_val = vp8_ac_uv_quant(Q, cpi->common.uvac_delta_q);

- cpi->UVquant[Q][rc] = (1 << 16) / quant_val;

- cpi->UVzbin[Q][rc] = ((qzbin_factors[Q] * quant_val) + 64) >> 7;

- cpi->UVround[Q][rc] = (qrounding_factors[Q] * quant_val) >> 7;

- cpi->common.UVdequant[Q][rc] = quant_val;

- cpi->zrun_zbin_boost_uv[Q][i] = (quant_val * zbin_boost[i]) >> 7;

+#if OUTPUT_NORM_ACT_STATS

+ fprintf(f, " %6d", *(x->mb_activity_ptr));

+#endif

+ // Increment activity map pointers

+ x->mb_activity_ptr++;

}

+#if OUTPUT_NORM_ACT_STATS

+ fprintf(f, "\n");

+#endif

}

+#if OUTPUT_NORM_ACT_STATS

+ fclose(f);

+#endif

}

#endif

-void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x)

+// Loop through all MBs. Note activity of each, average activity and

+// calculate a normalized activity for each

+static void build_activity_map( VP8_COMP *cpi )

{

- int i;

- int QIndex;

+ MACROBLOCK *const x = & cpi->mb;

MACROBLOCKD *xd = &x->e_mbd;

- int zbin_extra;

+ VP8_COMMON *const cm = & cpi->common;

- // Select the baseline MB Q index.

- if (xd->segmentation_enabled)

- {

- // Abs Value

- if (xd->mb_segement_abs_delta == SEGMENT_ABSDATA)

+#if ALT_ACT_MEASURE

+ YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];

+ int recon_yoffset;

+ int recon_y_stride = new_yv12->y_stride;

+#endif

- QIndex = xd->segment_feature_data[MB_LVL_ALT_Q][xd->mode_info_context->mbmi.segment_id];

- // Delta Value

- else

+ int mb_row, mb_col;

+ unsigned int mb_activity;

+ int64_t activity_sum = 0;

+ // for each macroblock row in image

+ for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)

+ {

+#if ALT_ACT_MEASURE

+ // reset above block coeffs

+ xd->up_available = (mb_row != 0);

+ recon_yoffset = (mb_row * recon_y_stride * 16);

+#endif

+ // for each macroblock col in image

+ for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)

{

- QIndex = cpi->common.base_qindex + xd->segment_feature_data[MB_LVL_ALT_Q][xd->mode_info_context->mbmi.segment_id];

- QIndex = (QIndex >= 0) ? ((QIndex <= MAXQ) ? QIndex : MAXQ) : 0; // Clamp to valid range

- }

- else

- QIndex = cpi->common.base_qindex;

+#if ALT_ACT_MEASURE

+ xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;

+ xd->left_available = (mb_col != 0);

+ recon_yoffset += 16;

+#endif

+ //Copy current mb to a buffer

+ RECON_INVOKE(&xd->rtcd->recon, copy16x16)(x->src.y_buffer, x->src.y_stride, x->thismb, 16);

- // Y

- zbin_extra = (cpi->common.Y1dequant[QIndex][1] * (cpi->zbin_over_quant + cpi->zbin_mode_boost)) >> 7;

+ // measure activity

+ mb_activity = mb_activity_measure( cpi, x, mb_row, mb_col );

- for (i = 0; i < 16; i++)

- {

- x->block[i].quant = cpi->Y1quant[QIndex];

- x->block[i].quant_fast = cpi->Y1quant_fast[QIndex];

- x->block[i].quant_shift = cpi->Y1quant_shift[QIndex];

- x->block[i].zbin = cpi->Y1zbin[QIndex];

- x->block[i].round = cpi->Y1round[QIndex];

- x->e_mbd.block[i].dequant = cpi->common.Y1dequant[QIndex];

- x->block[i].zrun_zbin_boost = cpi->zrun_zbin_boost_y1[QIndex];

- x->block[i].zbin_extra = (short)zbin_extra;

- }

+ // Keep frame sum

+ activity_sum += mb_activity;

- // UV

- zbin_extra = (cpi->common.UVdequant[QIndex][1] * (cpi->zbin_over_quant + cpi->zbin_mode_boost)) >> 7;

+ // Store MB level activity details.

+ *x->mb_activity_ptr = mb_activity;

- for (i = 16; i < 24; i++)

- {

- x->block[i].quant = cpi->UVquant[QIndex];

- x->block[i].quant_fast = cpi->UVquant_fast[QIndex];

- x->block[i].quant_shift = cpi->UVquant_shift[QIndex];

- x->block[i].zbin = cpi->UVzbin[QIndex];

- x->block[i].round = cpi->UVround[QIndex];

- x->e_mbd.block[i].dequant = cpi->common.UVdequant[QIndex];

- x->block[i].zrun_zbin_boost = cpi->zrun_zbin_boost_uv[QIndex];

- x->block[i].zbin_extra = (short)zbin_extra;

- }

+ // Increment activity map pointer

+ x->mb_activity_ptr++;

- // Y2

- zbin_extra = (cpi->common.Y2dequant[QIndex][1] * ((cpi->zbin_over_quant / 2) + cpi->zbin_mode_boost)) >> 7;

- x->block[24].quant_fast = cpi->Y2quant_fast[QIndex];

- x->block[24].quant = cpi->Y2quant[QIndex];

- x->block[24].quant_shift = cpi->Y2quant_shift[QIndex];

- x->block[24].zbin = cpi->Y2zbin[QIndex];

- x->block[24].round = cpi->Y2round[QIndex];

- x->e_mbd.block[24].dequant = cpi->common.Y2dequant[QIndex];

- x->block[24].zrun_zbin_boost = cpi->zrun_zbin_boost_y2[QIndex];

- x->block[24].zbin_extra = (short)zbin_extra;

+ // adjust to the next column of source macroblocks

+ x->src.y_buffer += 16;

+ }

- /* save this macroblock QIndex for vp8_update_zbin_extra() */

- x->q_index = QIndex;

-void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x)

- int i;

- int QIndex = x->q_index;

- int zbin_extra;

- // Y

- zbin_extra = (cpi->common.Y1dequant[QIndex][1] * (cpi->zbin_over_quant + cpi->zbin_mode_boost)) >> 7;

- for (i = 0; i < 16; i++)

- {

- x->block[i].zbin_extra = (short)zbin_extra;

- }

+ // adjust to the next row of mbs

+ x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;

- // UV

- zbin_extra = (cpi->common.UVdequant[QIndex][1] * (cpi->zbin_over_quant + cpi->zbin_mode_boost)) >> 7;

- for (i = 16; i < 24; i++)

- {

- x->block[i].zbin_extra = (short)zbin_extra;

+#if ALT_ACT_MEASURE

+ //extend the recon for intra prediction

+ vp8_extend_mb_row(new_yv12, xd->dst.y_buffer + 16,

+ xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);

+#endif

}

- // Y2

- zbin_extra = (cpi->common.Y2dequant[QIndex][1] * ((cpi->zbin_over_quant / 2) + cpi->zbin_mode_boost)) >> 7;

- x->block[24].zbin_extra = (short)zbin_extra;

+ // Calculate an "average" MB activity

+ calc_av_activity(cpi, activity_sum);

-void vp8cx_frame_init_quantizer(VP8_COMP *cpi)

- // Clear Zbin mode boost for default case

- cpi->zbin_mode_boost = 0;

+#if USE_ACT_INDEX

+ // Calculate an activity index number of each mb

+ calc_activity_index( cpi, x );

+#endif

- // MB level quantizer setup

- vp8cx_mb_init_quantizer(cpi, &cpi->mb);

}

+// Macroblock activity masking

+void vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x)

+#if USE_ACT_INDEX

+ x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);

+ x->errorperbit = x->rdmult * 100 /(110 * x->rddiv);

+ x->errorperbit += (x->errorperbit==0);

+#else

+ int64_t a;

+ int64_t b;

+ int64_t act = *(x->mb_activity_ptr);

-/* activity_avg must be positive, or flat regions could get a zero weight

- * (infinite lambda), which confounds analysis.

- * This also avoids the need for divide by zero checks in

- * vp8_activity_masking().

- */

-#define VP8_ACTIVITY_AVG_MIN (64)

+ // Apply the masking to the RD multiplier.

+ a = act + (2*cpi->activity_avg);

+ b = (2*act) + cpi->activity_avg;

-/* This is used as a reference when computing the source variance for the

- * purposes of activity masking.

- * Eventually this should be replaced by custom no-reference routines,

- * which will be faster.

- */

-static const unsigned char VP8_VAR_OFFS[16]=

- 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128

-};

+ x->rdmult = (unsigned int)(((int64_t)x->rdmult*b + (a>>1))/a);

+ x->errorperbit = x->rdmult * 100 /(110 * x->rddiv);

+ x->errorperbit += (x->errorperbit==0);

+#endif

-unsigned int vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x)

- unsigned int act;

- unsigned int sse;

- int sum;

- unsigned int a;

- unsigned int b;

- /* TODO: This could also be done over smaller areas (8x8), but that would

- * require extensive changes elsewhere, as lambda is assumed to be fixed

- * over an entire MB in most of the code.

- * Another option is to compute four 8x8 variances, and pick a single

- * lambda using a non-linear combination (e.g., the smallest, or second

- * smallest, etc.).

- */

- VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16var)(x->src.y_buffer,

- x->src.y_stride, VP8_VAR_OFFS, 0, &sse, &sum);

- /* This requires a full 32 bits of precision. */

- act = (sse<<8) - sum*sum;

- /* Drop 4 to give us some headroom to work with. */

- act = (act + 8) >> 4;

- /* If the region is flat, lower the activity some more. */

- if (act < 8<<12)

- act = act < 5<<12 ? act : 5<<12;

- /* TODO: For non-flat regions, edge regions should receive less masking

- * than textured regions, but identifying edge regions quickly and

- * reliably enough is still a subject of experimentation.

- * This will be most noticable near edges with a complex shape (e.g.,

- * text), but the 4x4 transform size should make this less of a problem

- * than it would be for an 8x8 transform.

- */

- /* Apply the masking to the RD multiplier. */

- a = act + 4*cpi->activity_avg;

- b = 4*act + cpi->activity_avg;

- x->rdmult = (unsigned int)(((INT64)x->rdmult*b + (a>>1))/a);

- return act;

+ // Activity based Zbin adjustment

+ adjust_act_zbin(cpi, x);

}

static

void encode_mb_row(VP8_COMP *cpi,

VP8_COMMON *cm,

@@ -470,7 +368,6 @@

int *segment_counts,

int *totalrate)

{

- INT64 activity_sum = 0;

int i;

int recon_yoffset, recon_uvoffset;

int mb_col;

@@ -478,7 +375,7 @@

int dst_fb_idx = cm->new_fb_idx;

int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;

int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;

- int seg_map_index = (mb_row * cpi->common.mb_cols);

+ int map_index = (mb_row * cpi->common.mb_cols);

#if CONFIG_MULTITHREAD

const int nsync = cpi->mt_sync_range;

@@ -512,6 +409,9 @@

x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16)

+ (VP8BORDERINPIXELS - 16);

+ // Set the mb activity pointer to the start of the row.

+ x->mb_activity_ptr = &cpi->mb_activity_map[map_index];

// for each macroblock col in image

for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)

{

@@ -535,6 +435,9 @@

x->rddiv = cpi->RDDIV;

x->rdmult = cpi->RDMULT;

+ //Copy current mb to a buffer

+ RECON_INVOKE(&xd->rtcd->recon, copy16x16)(x->src.y_buffer, x->src.y_stride, x->thismb, 16);

#if CONFIG_MULTITHREAD

if ((cpi->b_multi_threaded != 0) && (mb_row != 0))

{

@@ -551,15 +454,15 @@

#endif

if(cpi->oxcf.tuning == VP8_TUNE_SSIM)

- activity_sum += vp8_activity_masking(cpi, x);

+ vp8_activity_masking(cpi, x);

// Is segmentation enabled

// MB level adjutment to quantizer

if (xd->segmentation_enabled)

{

// Code to set segment id in xd->mbmi.segment_id for current MB (with range checking)

- if (cpi->segmentation_map[seg_map_index+mb_col] <= 3)

- xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[seg_map_index+mb_col];

+ if (cpi->segmentation_map[map_index+mb_col] <= 3)

+ xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[map_index+mb_col];

else

xd->mode_info_context->mbmi.segment_id = 0;

@@ -568,7 +471,7 @@

else

xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default

- x->active_ptr = cpi->active_map + seg_map_index + mb_col;

+ x->active_ptr = cpi->active_map + map_index + mb_col;

if (cm->frame_type == KEY_FRAME)

{

@@ -605,30 +508,35 @@

// during vp8cx_encode_inter_macroblock()) back into the global sgmentation map

if (cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled)

{

- cpi->segmentation_map[seg_map_index+mb_col] = xd->mode_info_context->mbmi.segment_id;

+ cpi->segmentation_map[map_index+mb_col] = xd->mode_info_context->mbmi.segment_id;

// If the block has been refreshed mark it as clean (the magnitude of the -ve influences how long it will be before we consider another refresh):

// Else if it was coded (last frame 0,0) and has not already been refreshed then mark it as a candidate for cleanup next time (marked 0)

// else mark it as dirty (1).

if (xd->mode_info_context->mbmi.segment_id)

- cpi->cyclic_refresh_map[seg_map_index+mb_col] = -1;

+ cpi->cyclic_refresh_map[map_index+mb_col] = -1;

else if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))

{

- if (cpi->cyclic_refresh_map[seg_map_index+mb_col] == 1)

- cpi->cyclic_refresh_map[seg_map_index+mb_col] = 0;

+ if (cpi->cyclic_refresh_map[map_index+mb_col] == 1)

+ cpi->cyclic_refresh_map[map_index+mb_col] = 0;

}

else

- cpi->cyclic_refresh_map[seg_map_index+mb_col] = 1;

+ cpi->cyclic_refresh_map[map_index+mb_col] = 1;

}

cpi->tplist[mb_row].stop = *tp;

- x->gf_active_ptr++; // Increment pointer into gf useage flags structure for next mb

+ // Increment pointer into gf useage flags structure.

+ x->gf_active_ptr++;

+ // Increment the activity mask pointers.

+ x->mb_activity_ptr++;

+ /* save the block info */

for (i = 0; i < 16; i++)

- vpx_memcpy(&xd->mode_info_context->bmi[i], &xd->block[i].bmi, sizeof(xd->block[i].bmi));

+ xd->mode_info_context->bmi[i] = xd->block[i].bmi;

// adjust to the next column of macroblocks

x->src.y_buffer += 16;

@@ -664,7 +572,6 @@

// this is to account for the border

xd->mode_info_context++;

x->partition_info++;

- x->activity_sum += activity_sum;

#if CONFIG_MULTITHREAD

if ((cpi->b_multi_threaded != 0) && (mb_row == cm->mb_rows - 1))

@@ -674,6 +581,92 @@

#endif

}

+void init_encode_frame_mb_context(VP8_COMP *cpi)

+ MACROBLOCK *const x = & cpi->mb;

+ VP8_COMMON *const cm = & cpi->common;

+ MACROBLOCKD *const xd = & x->e_mbd;

+ // GF active flags data structure

+ x->gf_active_ptr = (signed char *)cpi->gf_active_flags;

+ // Activity map pointer

+ x->mb_activity_ptr = cpi->mb_activity_map;

+ x->vector_range = 32;

+ x->act_zbin_adj = 0;

+ x->partition_info = x->pi;

+ xd->mode_info_context = cm->mi;

+ xd->mode_info_stride = cm->mode_info_stride;

+ xd->frame_type = cm->frame_type;

+ xd->frames_since_golden = cm->frames_since_golden;

+ xd->frames_till_alt_ref_frame = cm->frames_till_alt_ref_frame;

+ // reset intra mode contexts

+ if (cm->frame_type == KEY_FRAME)

+ vp8_init_mbmode_probs(cm);

+ // Copy data over into macro block data sturctures.

+ x->src = * cpi->Source;

+ xd->pre = cm->yv12_fb[cm->lst_fb_idx];

+ xd->dst = cm->yv12_fb[cm->new_fb_idx];

+ // set up frame for intra coded blocks

+ vp8_setup_intra_recon(&cm->yv12_fb[cm->new_fb_idx]);

+ vp8_build_block_offsets(x);

+ vp8_setup_block_dptrs(&x->e_mbd);

+ vp8_setup_block_ptrs(x);

+ xd->mode_info_context->mbmi.mode = DC_PRED;

+ xd->mode_info_context->mbmi.uv_mode = DC_PRED;

+ xd->left_context = &cm->left_context;

+ vp8_zero(cpi->count_mb_ref_frame_usage)

+ vp8_zero(cpi->ymode_count)

+ vp8_zero(cpi->uv_mode_count)

+ x->mvc = cm->fc.mvc;

+ vpx_memset(cm->above_context, 0,

+ sizeof(ENTROPY_CONTEXT_PLANES) * cm->mb_cols);

+ xd->ref_frame_cost[INTRA_FRAME] = vp8_cost_zero(cpi->prob_intra_coded);

+ // Special case treatment when GF and ARF are not sensible options for reference

+ if (cpi->ref_frame_flags == VP8_LAST_FLAG)

+ {

+ xd->ref_frame_cost[LAST_FRAME] = vp8_cost_one(cpi->prob_intra_coded)

+ + vp8_cost_zero(255);

+ xd->ref_frame_cost[GOLDEN_FRAME] = vp8_cost_one(cpi->prob_intra_coded)

+ + vp8_cost_one(255)

+ + vp8_cost_zero(128);

+ xd->ref_frame_cost[ALTREF_FRAME] = vp8_cost_one(cpi->prob_intra_coded)

+ + vp8_cost_one(255)

+ + vp8_cost_one(128);

+ }

+ else

+ {

+ xd->ref_frame_cost[LAST_FRAME] = vp8_cost_one(cpi->prob_intra_coded)

+ + vp8_cost_zero(cpi->prob_last_coded);

+ xd->ref_frame_cost[GOLDEN_FRAME] = vp8_cost_one(cpi->prob_intra_coded)

+ + vp8_cost_one(cpi->prob_last_coded)

+ + vp8_cost_zero(cpi->prob_gf_coded);

+ xd->ref_frame_cost[ALTREF_FRAME] = vp8_cost_one(cpi->prob_intra_coded)

+ + vp8_cost_one(cpi->prob_last_coded)

+ + vp8_cost_one(cpi->prob_gf_coded);

+ }

void vp8_encode_frame(VP8_COMP *cpi)

{

int mb_row;

@@ -685,6 +678,17 @@

int segment_counts[MAX_MB_SEGMENTS];

int totalrate;

+ vpx_memset(segment_counts, 0, sizeof(segment_counts));

+ totalrate = 0;

+ if (cpi->compressor_speed == 2)

+ {

+ if (cpi->oxcf.cpu_used < 0)

+ cpi->Speed = -(cpi->oxcf.cpu_used);

+ else

+ vp8_auto_select_speed(cpi);

+ }

// Functions setup for all frame types so we can use MC in AltRef

if (cm->mcomp_filter_type == SIXTAP)

{

@@ -709,13 +713,6 @@

&cpi->common.rtcd.subpix, bilinear16x16);

}

- x->gf_active_ptr = (signed char *)cpi->gf_active_flags; // Point to base of GF active flags data structure

- x->vector_range = 32;

- // Count of MBs using the alternate Q if any

- cpi->alt_qcount = 0;

// Reset frame count of inter 0,0 motion vector useage.

cpi->inter_zz_count = 0;

@@ -732,70 +729,30 @@

cpi->last_mb_distortion = 0;

#endif

- totalrate = 0;

- x->partition_info = x->pi;

xd->mode_info_context = cm->mi;

- xd->mode_info_stride = cm->mode_info_stride;

- xd->frame_type = cm->frame_type;

- xd->frames_since_golden = cm->frames_since_golden;

- xd->frames_till_alt_ref_frame = cm->frames_till_alt_ref_frame;

vp8_zero(cpi->MVcount);

- // vp8_zero( Contexts)

vp8_zero(cpi->coef_counts);

- // reset intra mode contexts

- if (cm->frame_type == KEY_FRAME)

- vp8_init_mbmode_probs(cm);

vp8cx_frame_init_quantizer(cpi);

- if (cpi->compressor_speed == 2)

- {

- if (cpi->oxcf.cpu_used < 0)

- cpi->Speed = -(cpi->oxcf.cpu_used);

- else

- vp8_auto_select_speed(cpi);

- }

+ vp8_initialize_rd_consts(cpi,

+ vp8_dc_quant(cm->base_qindex, cm->y1dc_delta_q));

- vp8_initialize_rd_consts(cpi, vp8_dc_quant(cm->base_qindex, cm->y1dc_delta_q));

vp8cx_initialize_me_consts(cpi, cm->base_qindex);

- // Copy data over into macro block data sturctures.

+ if(cpi->oxcf.tuning == VP8_TUNE_SSIM)

+ {

+ // Initialize encode frame context.

+ init_encode_frame_mb_context(cpi);

- x->src = * cpi->Source;

- xd->pre = cm->yv12_fb[cm->lst_fb_idx];

- xd->dst = cm->yv12_fb[cm->new_fb_idx];

+ // Build a frame level activity map

+ build_activity_map(cpi);

+ }

- // set up frame new frame for intra coded blocks

+ // re-initencode frame context.

+ init_encode_frame_mb_context(cpi);

- vp8_setup_intra_recon(&cm->yv12_fb[cm->new_fb_idx]);

- vp8_build_block_offsets(x);

- vp8_setup_block_dptrs(&x->e_mbd);

- vp8_setup_block_ptrs(x);

- x->activity_sum = 0;

- xd->mode_info_context->mbmi.mode = DC_PRED;

- xd->mode_info_context->mbmi.uv_mode = DC_PRED;

- xd->left_context = &cm->left_context;

- vp8_zero(cpi->count_mb_ref_frame_usage)

- vp8_zero(cpi->ymode_count)

- vp8_zero(cpi->uv_mode_count)

- x->mvc = cm->fc.mvc;

- vpx_memset(cm->above_context, 0, sizeof(ENTROPY_CONTEXT_PLANES) * cm->mb_cols);

{

struct vpx_usec_timer emr_timer;

vpx_usec_timer_start(&emr_timer);

@@ -830,6 +787,7 @@

xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;

x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;

+ x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count;

}

@@ -862,11 +820,6 @@

totalrate += cpi->mb_row_ei[i].totalrate;

}

- for (i = 0; i < cpi->encoding_thread_count; i++)

- {

- x->activity_sum += cpi->mb_row_ei[i].mb.activity_sum;

- }

}

else

#endif

@@ -979,7 +932,7 @@

}

if (flag[0] || flag[1])

- vp8_build_component_cost_table(cpi->mb.mvcost, cpi->mb.mvsadcost, (const MV_CONTEXT *) cm->fc.mvc, flag);

+ vp8_build_component_cost_table(cpi->mb.mvcost, (const MV_CONTEXT *) cm->fc.mvc, flag);

}

#endif

@@ -1020,14 +973,6 @@

cpi->last_frame_distortion = cpi->frame_distortion;

#endif

- /* Update the average activity for the next frame.

- * This is feed-forward for now; it could also be saved in two-pass, or

- * done during lookahead when that is eventually added.

- */

- cpi->activity_avg = (unsigned int )(x->activity_sum/cpi->common.MBs);

- if (cpi->activity_avg < VP8_ACTIVITY_AVG_MIN)

- cpi->activity_avg = VP8_ACTIVITY_AVG_MIN;

}

void vp8_setup_block_ptrs(MACROBLOCK *x)

{

@@ -1076,14 +1021,18 @@

vp8_build_block_doffsets(&x->e_mbd);

// y blocks

+ x->thismb_ptr = &x->thismb[0];

for (br = 0; br < 4; br++)

{

for (bc = 0; bc < 4; bc++)

{

BLOCK *this_block = &x->block[block];

- this_block->base_src = &x->src.y_buffer;

- this_block->src_stride = x->src.y_stride;

- this_block->src = 4 * br * this_block->src_stride + 4 * bc;

+ //this_block->base_src = &x->src.y_buffer;

+ //this_block->src_stride = x->src.y_stride;

+ //this_block->src = 4 * br * this_block->src_stride + 4 * bc;

+ this_block->base_src = &x->thismb_ptr;

+ this_block->src_stride = 16;

+ this_block->src = 4 * br * 16 + 4 * bc;

++block;

}

@@ -1145,72 +1094,48 @@

++cpi->uv_mode_count[uvm];

}

-int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t)

+// Experimental stub function to create a per MB zbin adjustment based on

+// some previously calculated measure of MB activity.

+static void adjust_act_zbin( VP8_COMP *cpi, MACROBLOCK *x )

{

- int Error4x4, Error16x16, error_uv;

- int rate4x4, rate16x16, rateuv;

- int dist4x4, dist16x16, distuv;

- int rate = 0;

- int rate4x4_tokenonly = 0;

- int rate16x16_tokenonly = 0;

- int rateuv_tokenonly = 0;

+#if USE_ACT_INDEX

+ x->act_zbin_adj = *(x->mb_activity_ptr);

+#else

+ int64_t a;

+ int64_t b;

+ int64_t act = *(x->mb_activity_ptr);

- x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;

+ // Apply the masking to the RD multiplier.

+ a = act + 4*cpi->activity_avg;

+ b = 4*act + cpi->activity_avg;

-#if !(CONFIG_REALTIME_ONLY)

- if (cpi->sf.RD && cpi->compressor_speed != 2)

- {

- error_uv = vp8_rd_pick_intra_mbuv_mode(cpi, x, &rateuv, &rateuv_tokenonly, &distuv);

- rate += rateuv;

- Error16x16 = vp8_rd_pick_intra16x16mby_mode(cpi, x, &rate16x16, &rate16x16_tokenonly, &dist16x16);

- Error4x4 = vp8_rd_pick_intra4x4mby_modes(cpi, x, &rate4x4, &rate4x4_tokenonly, &dist4x4, Error16x16);

- rate += (Error4x4 < Error16x16) ? rate4x4 : rate16x16;

- }

+ if ( act > cpi->activity_avg )

+ x->act_zbin_adj = (int)(((int64_t)b + (a>>1))/a) - 1;

else

+ x->act_zbin_adj = 1 - (int)(((int64_t)a + (b>>1))/b);

#endif

- {

- int rate2, best_distortion;

- MB_PREDICTION_MODE mode, best_mode = DC_PRED;

- int this_rd;

- Error16x16 = INT_MAX;

- vp8_pick_intra_mbuv_mode(x);

+int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t)

+ int rate;

- for (mode = DC_PRED; mode <= TM_PRED; mode ++)

- {

- int distortion2;

+ if (cpi->sf.RD && cpi->compressor_speed != 2)

+ vp8_rd_pick_intra_mode(cpi, x, &rate);

+ else

+ vp8_pick_intra_mode(cpi, x, &rate);

- x->e_mbd.mode_info_context->mbmi.mode = mode;

- RECON_INVOKE(&cpi->common.rtcd.recon, build_intra_predictors_mby)

- (&x->e_mbd);

- distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16, 0x7fffffff);

- rate2 = x->mbmode_cost[x->e_mbd.frame_type][mode];

- this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);

- if (Error16x16 > this_rd)

- {

- Error16x16 = this_rd;

- best_mode = mode;

- best_distortion = distortion2;

- }

- x->e_mbd.mode_info_context->mbmi.mode = best_mode;

- Error4x4 = vp8_pick_intra4x4mby_modes(IF_RTCD(&cpi->rtcd), x, &rate2, &best_distortion);

+ if(cpi->oxcf.tuning == VP8_TUNE_SSIM)

+ {

+ adjust_act_zbin( cpi, x );

+ vp8_update_zbin_extra(cpi, x);

}

- if (Error4x4 < Error16x16)

- {

- x->e_mbd.mode_info_context->mbmi.mode = B_PRED;

+ if (x->e_mbd.mode_info_context->mbmi.mode == B_PRED)

vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x);

- }

else

- {

vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);

- }

vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);

sum_intra_stats(cpi, x);

@@ -1231,7 +1156,6 @@

)

{

MACROBLOCKD *const xd = &x->e_mbd;

- int inter_error;

int intra_error = 0;

int rate;

int distortion;

@@ -1243,8 +1167,6 @@

else

x->encode_breakout = cpi->oxcf.encode_breakout;

-#if !(CONFIG_REALTIME_ONLY)

if (cpi->sf.RD)

{

int zbin_mode_boost_enabled = cpi->zbin_mode_boost_enabled;

@@ -1252,18 +1174,25 @@

/* Are we using the fast quantizer for the mode selection? */

if(cpi->sf.use_fastquant_for_pick)

{

- cpi->mb.quantize_b = QUANTIZE_INVOKE(&cpi->rtcd.quantize, fastquantb);

+ cpi->mb.quantize_b = QUANTIZE_INVOKE(&cpi->rtcd.quantize,

+ fastquantb);

+ cpi->mb.quantize_b_pair = QUANTIZE_INVOKE(&cpi->rtcd.quantize,

+ fastquantb_pair);

/* the fast quantizer does not use zbin_extra, so

* do not recalculate */

cpi->zbin_mode_boost_enabled = 0;

}

- inter_error = vp8_rd_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate, &distortion, &intra_error);

+ vp8_rd_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,

+ &distortion, &intra_error);

/* switch back to the regular quantizer for the encode */

if (cpi->sf.improved_quant)

{

- cpi->mb.quantize_b = QUANTIZE_INVOKE(&cpi->rtcd.quantize, quantb);

+ cpi->mb.quantize_b = QUANTIZE_INVOKE(&cpi->rtcd.quantize,

+ quantb);

+ cpi->mb.quantize_b_pair = QUANTIZE_INVOKE(&cpi->rtcd.quantize,

+ quantb_pair);

}

/* restore cpi->zbin_mode_boost_enabled */

@@ -1271,13 +1200,18 @@

}

else

-#endif

- inter_error = vp8_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate, &distortion, &intra_error);

+ vp8_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,

+ &distortion, &intra_error);

- cpi->prediction_error += inter_error;

+ cpi->prediction_error += distortion;

cpi->intra_error += intra_error;

+ if(cpi->oxcf.tuning == VP8_TUNE_SSIM)

+ {

+ // Adjust the zbin based on this MB rate.

+ adjust_act_zbin( cpi, x );

+ }

#if 0

// Experimental RD code

cpi->frame_distortion += distortion;

@@ -1303,12 +1237,12 @@

}

{

- // Experimental code. Special case for gf and arf zeromv modes. Increase zbin size to supress noise

+ // Experimental code. Special case for gf and arf zeromv modes.

+ // Increase zbin size to supress noise

+ cpi->zbin_mode_boost = 0;

if (cpi->zbin_mode_boost_enabled)

{

- if ( xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME )

- cpi->zbin_mode_boost = 0;

- else

+ if ( xd->mode_info_context->mbmi.ref_frame != INTRA_FRAME )

{

if (xd->mode_info_context->mbmi.mode == ZEROMV)

{

@@ -1323,9 +1257,6 @@

cpi->zbin_mode_boost = MV_ZBIN_BOOST;

}

- else

- cpi->zbin_mode_boost = 0;

vp8_update_zbin_extra(cpi, x);

}

@@ -1348,14 +1279,8 @@

}

else

{

- MV best_ref_mv;

- MV nearest, nearby;

- int mdcounts[4];

int ref_fb_idx;

- vp8_find_near_mvs(xd, xd->mode_info_context,

- &nearest, &nearby, &best_ref_mv, mdcounts, xd->mode_info_context->mbmi.ref_frame, cpi->common.ref_frame_sign_bias);

vp8_build_uvmvs(xd, cpi->common.full_pixel);

if (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME)

@@ -1369,27 +1294,8 @@

xd->pre.u_buffer = cpi->common.yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;

xd->pre.v_buffer = cpi->common.yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;

- if (xd->mode_info_context->mbmi.mode == SPLITMV)

+ if (!x->skip)

{

- int i;

- for (i = 0; i < 16; i++)

- {

- if (xd->block[i].bmi.mode == NEW4X4)

- {

- cpi->MVcount[0][mv_max+((xd->block[i].bmi.mv.as_mv.row - best_ref_mv.row) >> 1)]++;

- cpi->MVcount[1][mv_max+((xd->block[i].bmi.mv.as_mv.col - best_ref_mv.col) >> 1)]++;

- }

- else if (xd->mode_info_context->mbmi.mode == NEWMV)

- {

- cpi->MVcount[0][mv_max+((xd->block[0].bmi.mv.as_mv.row - best_ref_mv.row) >> 1)]++;

- cpi->MVcount[1][mv_max+((xd->block[0].bmi.mv.as_mv.col - best_ref_mv.col) >> 1)]++;

- }

- if (!x->skip && !x->e_mbd.mode_info_context->mbmi.force_no_skip)

- {

vp8_encode_inter16x16(IF_RTCD(&cpi->rtcd), x);

// Clear mb_skip_coeff if mb_no_coeff_skip is not set

@@ -1398,7 +1304,10 @@

}

else

- vp8_stuff_inter16x16(x);

+ vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer,

+ xd->dst.u_buffer, xd->dst.v_buffer,

+ xd->dst.y_stride, xd->dst.uv_stride);

}

if (!x->skip)

@@ -1407,11 +1316,6 @@

{

if (cpi->common.mb_no_coeff_skip)

{

- if (xd->mode_info_context->mbmi.mode != B_PRED && xd->mode_info_context->mbmi.mode != SPLITMV)

- xd->mode_info_context->mbmi.dc_diff = 0;

- else

- xd->mode_info_context->mbmi.dc_diff = 1;

xd->mode_info_context->mbmi.mb_skip_coeff = 1;

cpi->skip_true_count ++;

vp8_fix_contexts(xd);

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