6f43ff5824
Use in-place buffers (dst of MACROBLOCKD) for macroblock prediction. This makes the macroblock buffer handling consistent with those of superblock. Remove predictor buffer MACROBLOCKD. Change-Id: Id1bcd898961097b1e6230c10f0130753a59fc6df
476 lines
15 KiB
C
476 lines
15 KiB
C
/*
|
|
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include <limits.h>
|
|
#include <vp9/encoder/vp9_encodeintra.h>
|
|
#include <vp9/encoder/vp9_rdopt.h>
|
|
#include <vp9/common/vp9_setupintrarecon.h>
|
|
#include <vp9/common/vp9_blockd.h>
|
|
#include <vp9/common/vp9_reconinter.h>
|
|
#include <vp9/common/vp9_systemdependent.h>
|
|
#include <vpx_mem/vpx_mem.h>
|
|
#include <vp9/encoder/vp9_segmentation.h>
|
|
|
|
static unsigned int do_16x16_motion_iteration(VP9_COMP *cpi,
|
|
int_mv *ref_mv,
|
|
int_mv *dst_mv,
|
|
int mb_row,
|
|
int mb_col) {
|
|
MACROBLOCK *const x = &cpi->mb;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
BLOCK *b = &x->block[0];
|
|
BLOCKD *d = &xd->block[0];
|
|
vp9_variance_fn_ptr_t v_fn_ptr = cpi->fn_ptr[BLOCK_16X16];
|
|
unsigned int best_err;
|
|
|
|
|
|
int tmp_col_min = x->mv_col_min;
|
|
int tmp_col_max = x->mv_col_max;
|
|
int tmp_row_min = x->mv_row_min;
|
|
int tmp_row_max = x->mv_row_max;
|
|
int_mv ref_full;
|
|
|
|
// Further step/diamond searches as necessary
|
|
int step_param = cpi->sf.first_step +
|
|
(cpi->Speed < 8 ? (cpi->Speed > 5 ? 1 : 0) : 2);
|
|
|
|
vp9_clamp_mv_min_max(x, ref_mv);
|
|
|
|
ref_full.as_mv.col = ref_mv->as_mv.col >> 3;
|
|
ref_full.as_mv.row = ref_mv->as_mv.row >> 3;
|
|
|
|
/*cpi->sf.search_method == HEX*/
|
|
best_err = vp9_hex_search(
|
|
x, b, d,
|
|
&ref_full, dst_mv,
|
|
step_param,
|
|
x->errorperbit,
|
|
&v_fn_ptr,
|
|
NULL, NULL,
|
|
NULL, NULL,
|
|
ref_mv);
|
|
|
|
// Try sub-pixel MC
|
|
// if (bestsme > error_thresh && bestsme < INT_MAX)
|
|
{
|
|
int distortion;
|
|
unsigned int sse;
|
|
best_err = cpi->find_fractional_mv_step(
|
|
x, b, d,
|
|
dst_mv, ref_mv,
|
|
x->errorperbit, &v_fn_ptr,
|
|
NULL, NULL,
|
|
& distortion, &sse);
|
|
}
|
|
|
|
vp9_set_mbmode_and_mvs(x, NEWMV, dst_mv);
|
|
vp9_build_inter_predictors_sby(xd, xd->dst.y_buffer, xd->dst.y_stride,
|
|
mb_row, mb_col, BLOCK_SIZE_MB16X16);
|
|
best_err = vp9_sad16x16(x->src.y_buffer, x->src.y_stride,
|
|
xd->dst.y_buffer, xd->dst.y_stride, INT_MAX);
|
|
|
|
/* restore UMV window */
|
|
x->mv_col_min = tmp_col_min;
|
|
x->mv_col_max = tmp_col_max;
|
|
x->mv_row_min = tmp_row_min;
|
|
x->mv_row_max = tmp_row_max;
|
|
|
|
return best_err;
|
|
}
|
|
|
|
static int do_16x16_motion_search
|
|
(
|
|
VP9_COMP *cpi,
|
|
int_mv *ref_mv,
|
|
int_mv *dst_mv,
|
|
YV12_BUFFER_CONFIG *buf,
|
|
int buf_mb_y_offset,
|
|
YV12_BUFFER_CONFIG *ref,
|
|
int mb_y_offset,
|
|
int mb_row,
|
|
int mb_col) {
|
|
MACROBLOCK *const x = &cpi->mb;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
unsigned int err, tmp_err;
|
|
int_mv tmp_mv;
|
|
int n;
|
|
|
|
for (n = 0; n < 16; n++) {
|
|
BLOCKD *d = &xd->block[n];
|
|
BLOCK *b = &x->block[n];
|
|
|
|
b->base_src = &x->src.y_buffer;
|
|
b->src_stride = x->src.y_stride;
|
|
b->src = x->src.y_stride * (n & 12) + (n & 3) * 4;
|
|
|
|
d->base_pre = &xd->pre.y_buffer;
|
|
d->pre_stride = xd->pre.y_stride;
|
|
d->pre = xd->pre.y_stride * (n & 12) + (n & 3) * 4;
|
|
}
|
|
|
|
// Try zero MV first
|
|
// FIXME should really use something like near/nearest MV and/or MV prediction
|
|
err = vp9_sad16x16(x->src.y_buffer, x->src.y_stride,
|
|
xd->pre.y_buffer, xd->pre.y_stride, INT_MAX);
|
|
dst_mv->as_int = 0;
|
|
|
|
// Test last reference frame using the previous best mv as the
|
|
// starting point (best reference) for the search
|
|
tmp_err = do_16x16_motion_iteration(cpi, ref_mv, &tmp_mv, mb_row, mb_col);
|
|
if (tmp_err < err) {
|
|
err = tmp_err;
|
|
dst_mv->as_int = tmp_mv.as_int;
|
|
}
|
|
|
|
// If the current best reference mv is not centred on 0,0 then do a 0,0 based search as well
|
|
if (ref_mv->as_int) {
|
|
unsigned int tmp_err;
|
|
int_mv zero_ref_mv, tmp_mv;
|
|
|
|
zero_ref_mv.as_int = 0;
|
|
tmp_err = do_16x16_motion_iteration(cpi, &zero_ref_mv, &tmp_mv,
|
|
mb_row, mb_col);
|
|
if (tmp_err < err) {
|
|
dst_mv->as_int = tmp_mv.as_int;
|
|
err = tmp_err;
|
|
}
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int do_16x16_zerozero_search
|
|
(
|
|
VP9_COMP *cpi,
|
|
int_mv *dst_mv,
|
|
YV12_BUFFER_CONFIG *buf,
|
|
int buf_mb_y_offset,
|
|
YV12_BUFFER_CONFIG *ref,
|
|
int mb_y_offset
|
|
) {
|
|
MACROBLOCK *const x = &cpi->mb;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
unsigned int err;
|
|
|
|
// Try zero MV first
|
|
// FIXME should really use something like near/nearest MV and/or MV prediction
|
|
err = vp9_sad16x16(x->src.y_buffer, x->src.y_stride,
|
|
xd->pre.y_buffer, xd->pre.y_stride, INT_MAX);
|
|
|
|
dst_mv->as_int = 0;
|
|
|
|
return err;
|
|
}
|
|
static int find_best_16x16_intra
|
|
(
|
|
VP9_COMP *cpi,
|
|
YV12_BUFFER_CONFIG *buf,
|
|
int mb_y_offset,
|
|
MB_PREDICTION_MODE *pbest_mode
|
|
) {
|
|
MACROBLOCK *const x = &cpi->mb;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
MB_PREDICTION_MODE best_mode = -1, mode;
|
|
unsigned int best_err = INT_MAX;
|
|
|
|
// calculate SATD for each intra prediction mode;
|
|
// we're intentionally not doing 4x4, we just want a rough estimate
|
|
for (mode = DC_PRED; mode <= TM_PRED; mode++) {
|
|
unsigned int err;
|
|
const int bwl = b_width_log2(BLOCK_SIZE_MB16X16), bw = 4 << bwl;
|
|
const int bhl = b_height_log2(BLOCK_SIZE_MB16X16), bh = 4 << bhl;
|
|
|
|
xd->mode_info_context->mbmi.mode = mode;
|
|
vp9_build_intra_predictors(x->src.y_buffer, x->src.y_stride,
|
|
xd->dst.y_buffer, xd->dst.y_stride,
|
|
xd->mode_info_context->mbmi.mode,
|
|
bw, bh,
|
|
xd->up_available, xd->left_available,
|
|
xd->right_available);
|
|
err = vp9_sad16x16(x->src.y_buffer, x->src.y_stride,
|
|
xd->dst.y_buffer, xd->dst.y_stride, best_err);
|
|
|
|
// find best
|
|
if (err < best_err) {
|
|
best_err = err;
|
|
best_mode = mode;
|
|
}
|
|
}
|
|
|
|
if (pbest_mode)
|
|
*pbest_mode = best_mode;
|
|
|
|
return best_err;
|
|
}
|
|
|
|
static void update_mbgraph_mb_stats
|
|
(
|
|
VP9_COMP *cpi,
|
|
MBGRAPH_MB_STATS *stats,
|
|
YV12_BUFFER_CONFIG *buf,
|
|
int mb_y_offset,
|
|
YV12_BUFFER_CONFIG *golden_ref,
|
|
int_mv *prev_golden_ref_mv,
|
|
int gld_y_offset,
|
|
YV12_BUFFER_CONFIG *alt_ref,
|
|
int_mv *prev_alt_ref_mv,
|
|
int arf_y_offset,
|
|
int mb_row,
|
|
int mb_col
|
|
) {
|
|
MACROBLOCK *const x = &cpi->mb;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
int intra_error;
|
|
VP9_COMMON *cm = &cpi->common;
|
|
|
|
// FIXME in practice we're completely ignoring chroma here
|
|
x->src.y_buffer = buf->y_buffer + mb_y_offset;
|
|
x->src.y_stride = buf->y_stride;
|
|
|
|
xd->dst.y_buffer = cm->yv12_fb[cm->new_fb_idx].y_buffer + mb_y_offset;
|
|
xd->dst.y_stride = cm->yv12_fb[cm->new_fb_idx].y_stride;
|
|
|
|
// do intra 16x16 prediction
|
|
intra_error = find_best_16x16_intra(cpi, buf, mb_y_offset,
|
|
&stats->ref[INTRA_FRAME].m.mode);
|
|
if (intra_error <= 0)
|
|
intra_error = 1;
|
|
stats->ref[INTRA_FRAME].err = intra_error;
|
|
|
|
// Golden frame MV search, if it exists and is different than last frame
|
|
if (golden_ref) {
|
|
int g_motion_error;
|
|
xd->pre.y_buffer = golden_ref->y_buffer + mb_y_offset;
|
|
xd->pre.y_stride = golden_ref->y_stride;
|
|
g_motion_error = do_16x16_motion_search(cpi, prev_golden_ref_mv,
|
|
&stats->ref[GOLDEN_FRAME].m.mv,
|
|
buf, mb_y_offset,
|
|
golden_ref, gld_y_offset,
|
|
mb_row, mb_col);
|
|
stats->ref[GOLDEN_FRAME].err = g_motion_error;
|
|
} else {
|
|
stats->ref[GOLDEN_FRAME].err = INT_MAX;
|
|
stats->ref[GOLDEN_FRAME].m.mv.as_int = 0;
|
|
}
|
|
|
|
// Alt-ref frame MV search, if it exists and is different than last/golden frame
|
|
if (alt_ref) {
|
|
int a_motion_error;
|
|
xd->pre.y_buffer = alt_ref->y_buffer + mb_y_offset;
|
|
xd->pre.y_stride = alt_ref->y_stride;
|
|
a_motion_error = do_16x16_zerozero_search(cpi,
|
|
&stats->ref[ALTREF_FRAME].m.mv,
|
|
buf, mb_y_offset,
|
|
alt_ref, arf_y_offset);
|
|
|
|
stats->ref[ALTREF_FRAME].err = a_motion_error;
|
|
} else {
|
|
stats->ref[ALTREF_FRAME].err = INT_MAX;
|
|
stats->ref[ALTREF_FRAME].m.mv.as_int = 0;
|
|
}
|
|
}
|
|
|
|
static void update_mbgraph_frame_stats
|
|
(
|
|
VP9_COMP *cpi,
|
|
MBGRAPH_FRAME_STATS *stats,
|
|
YV12_BUFFER_CONFIG *buf,
|
|
YV12_BUFFER_CONFIG *golden_ref,
|
|
YV12_BUFFER_CONFIG *alt_ref
|
|
) {
|
|
MACROBLOCK *const x = &cpi->mb;
|
|
VP9_COMMON *const cm = &cpi->common;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
int mb_col, mb_row, offset = 0;
|
|
int mb_y_offset = 0, arf_y_offset = 0, gld_y_offset = 0;
|
|
int_mv arf_top_mv, gld_top_mv;
|
|
MODE_INFO mi_local;
|
|
|
|
// Make sure the mi context starts in a consistent state.
|
|
memset(&mi_local, 0, sizeof(mi_local));
|
|
|
|
// Set up limit values for motion vectors to prevent them extending outside the UMV borders
|
|
arf_top_mv.as_int = 0;
|
|
gld_top_mv.as_int = 0;
|
|
x->mv_row_min = -(VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND);
|
|
x->mv_row_max = (cm->mb_rows - 1) * 16 + VP9BORDERINPIXELS
|
|
- 16 - VP9_INTERP_EXTEND;
|
|
xd->up_available = 0;
|
|
xd->dst.y_stride = buf->y_stride;
|
|
xd->pre.y_stride = buf->y_stride;
|
|
xd->dst.uv_stride = buf->uv_stride;
|
|
xd->mode_info_context = &mi_local;
|
|
|
|
for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
|
|
int_mv arf_left_mv, gld_left_mv;
|
|
int mb_y_in_offset = mb_y_offset;
|
|
int arf_y_in_offset = arf_y_offset;
|
|
int gld_y_in_offset = gld_y_offset;
|
|
|
|
// Set up limit values for motion vectors to prevent them extending outside the UMV borders
|
|
arf_left_mv.as_int = arf_top_mv.as_int;
|
|
gld_left_mv.as_int = gld_top_mv.as_int;
|
|
x->mv_col_min = -(VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND);
|
|
x->mv_col_max = (cm->mb_cols - 1) * 16 + VP9BORDERINPIXELS
|
|
- 16 - VP9_INTERP_EXTEND;
|
|
xd->left_available = 0;
|
|
|
|
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
|
|
MBGRAPH_MB_STATS *mb_stats = &stats->mb_stats[offset + mb_col];
|
|
|
|
update_mbgraph_mb_stats(cpi, mb_stats, buf, mb_y_in_offset,
|
|
golden_ref, &gld_left_mv, gld_y_in_offset,
|
|
alt_ref, &arf_left_mv, arf_y_in_offset,
|
|
mb_row, mb_col);
|
|
arf_left_mv.as_int = mb_stats->ref[ALTREF_FRAME].m.mv.as_int;
|
|
gld_left_mv.as_int = mb_stats->ref[GOLDEN_FRAME].m.mv.as_int;
|
|
if (mb_col == 0) {
|
|
arf_top_mv.as_int = arf_left_mv.as_int;
|
|
gld_top_mv.as_int = gld_left_mv.as_int;
|
|
}
|
|
xd->left_available = 1;
|
|
mb_y_in_offset += 16;
|
|
gld_y_in_offset += 16;
|
|
arf_y_in_offset += 16;
|
|
x->mv_col_min -= 16;
|
|
x->mv_col_max -= 16;
|
|
}
|
|
xd->up_available = 1;
|
|
mb_y_offset += buf->y_stride * 16;
|
|
gld_y_offset += golden_ref->y_stride * 16;
|
|
if (alt_ref)
|
|
arf_y_offset += alt_ref->y_stride * 16;
|
|
x->mv_row_min -= 16;
|
|
x->mv_row_max -= 16;
|
|
offset += cm->mb_cols;
|
|
}
|
|
}
|
|
|
|
// void separate_arf_mbs_byzz
|
|
static void separate_arf_mbs(VP9_COMP *cpi) {
|
|
VP9_COMMON *const cm = &cpi->common;
|
|
int mb_col, mb_row, offset, i;
|
|
int ncnt[4];
|
|
int n_frames = cpi->mbgraph_n_frames;
|
|
|
|
int *arf_not_zz;
|
|
|
|
CHECK_MEM_ERROR(arf_not_zz,
|
|
vpx_calloc(cm->mb_rows * cm->mb_cols * sizeof(*arf_not_zz), 1));
|
|
|
|
// We are not interested in results beyond the alt ref itself.
|
|
if (n_frames > cpi->frames_till_gf_update_due)
|
|
n_frames = cpi->frames_till_gf_update_due;
|
|
|
|
// defer cost to reference frames
|
|
for (i = n_frames - 1; i >= 0; i--) {
|
|
MBGRAPH_FRAME_STATS *frame_stats = &cpi->mbgraph_stats[i];
|
|
|
|
for (offset = 0, mb_row = 0; mb_row < cm->mb_rows;
|
|
offset += cm->mb_cols, mb_row++) {
|
|
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
|
|
MBGRAPH_MB_STATS *mb_stats =
|
|
&frame_stats->mb_stats[offset + mb_col];
|
|
|
|
int altref_err = mb_stats->ref[ALTREF_FRAME].err;
|
|
int intra_err = mb_stats->ref[INTRA_FRAME ].err;
|
|
int golden_err = mb_stats->ref[GOLDEN_FRAME].err;
|
|
|
|
// Test for altref vs intra and gf and that its mv was 0,0.
|
|
if ((altref_err > 1000) ||
|
|
(altref_err > intra_err) ||
|
|
(altref_err > golden_err)) {
|
|
arf_not_zz[offset + mb_col]++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
vpx_memset(ncnt, 0, sizeof(ncnt));
|
|
for (offset = 0, mb_row = 0; mb_row < cm->mb_rows;
|
|
offset += cm->mb_cols, mb_row++) {
|
|
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
|
|
// If any of the blocks in the sequence failed then the MB
|
|
// goes in segment 0
|
|
if (arf_not_zz[offset + mb_col]) {
|
|
ncnt[0]++;
|
|
cpi->segmentation_map[offset + mb_col] = 0;
|
|
} else {
|
|
ncnt[1]++;
|
|
cpi->segmentation_map[offset + mb_col] = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Only bother with segmentation if over 10% of the MBs in static segment
|
|
// if ( ncnt[1] && (ncnt[0] / ncnt[1] < 10) )
|
|
if (1) {
|
|
// Note % of blocks that are marked as static
|
|
if (cm->MBs)
|
|
cpi->static_mb_pct = (ncnt[1] * 100) / cm->MBs;
|
|
|
|
// This error case should not be reachable as this function should
|
|
// never be called with the common data structure uninitialized.
|
|
else
|
|
cpi->static_mb_pct = 0;
|
|
|
|
cpi->seg0_cnt = ncnt[0];
|
|
vp9_enable_segmentation((VP9_PTR) cpi);
|
|
} else {
|
|
cpi->static_mb_pct = 0;
|
|
vp9_disable_segmentation((VP9_PTR) cpi);
|
|
}
|
|
|
|
// Free localy allocated storage
|
|
vpx_free(arf_not_zz);
|
|
}
|
|
|
|
void vp9_update_mbgraph_stats(VP9_COMP *cpi) {
|
|
VP9_COMMON *const cm = &cpi->common;
|
|
int i, n_frames = vp9_lookahead_depth(cpi->lookahead);
|
|
YV12_BUFFER_CONFIG *golden_ref =
|
|
&cm->yv12_fb[cm->ref_frame_map[cpi->gld_fb_idx]];
|
|
|
|
// we need to look ahead beyond where the ARF transitions into
|
|
// being a GF - so exit if we don't look ahead beyond that
|
|
if (n_frames <= cpi->frames_till_gf_update_due)
|
|
return;
|
|
if (n_frames > (int)cpi->common.frames_till_alt_ref_frame)
|
|
n_frames = cpi->common.frames_till_alt_ref_frame;
|
|
if (n_frames > MAX_LAG_BUFFERS)
|
|
n_frames = MAX_LAG_BUFFERS;
|
|
|
|
cpi->mbgraph_n_frames = n_frames;
|
|
for (i = 0; i < n_frames; i++) {
|
|
MBGRAPH_FRAME_STATS *frame_stats = &cpi->mbgraph_stats[i];
|
|
vpx_memset(frame_stats->mb_stats, 0,
|
|
cm->mb_rows * cm->mb_cols * sizeof(*cpi->mbgraph_stats[i].mb_stats));
|
|
}
|
|
|
|
// do motion search to find contribution of each reference to data
|
|
// later on in this GF group
|
|
// FIXME really, the GF/last MC search should be done forward, and
|
|
// the ARF MC search backwards, to get optimal results for MV caching
|
|
for (i = 0; i < n_frames; i++) {
|
|
MBGRAPH_FRAME_STATS *frame_stats = &cpi->mbgraph_stats[i];
|
|
struct lookahead_entry *q_cur =
|
|
vp9_lookahead_peek(cpi->lookahead, i);
|
|
|
|
assert(q_cur != NULL);
|
|
|
|
update_mbgraph_frame_stats(cpi, frame_stats, &q_cur->img,
|
|
golden_ref, cpi->Source);
|
|
}
|
|
|
|
vp9_clear_system_state(); // __asm emms;
|
|
|
|
separate_arf_mbs(cpi);
|
|
}
|