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Added row based loopfilter

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Interleaved loopfiltering with decode.  For 1080p clips, up to 1%
performance gain.  For 4k clips, up to 10% seen.  This patch is required
for better "frame-based" multithreading.

Change-Id: Ic834cf32297cc04f27e8205652fb9f70cbe290db
This commit is contained in:
Scott LaVarnway
2012-08-02 11:58:09 -07:00
parent a497cb59cd
commit 1746b2adc6
5 changed files with 167 additions and 18 deletions
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55
vp8/decoder/decodframe.c
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@@ -311,6 +311,8 @@ static void decode_mb_rows(VP8D_COMP *pbi)
VP8_COMMON *const pc = & pbi->common;
MACROBLOCKD *const xd = & pbi->mb;
MODE_INFO *lf_mic = xd->mode_info_context;
int ibc = 0;
int num_part = 1 << pc->multi_token_partition;
@@ -323,6 +325,7 @@ static void decode_mb_rows(VP8D_COMP *pbi)
unsigned char *ref_buffer[MAX_REF_FRAMES][3];
unsigned char *dst_buffer[3];
unsigned char *lf_dst[3];
int i;
int ref_fb_index[MAX_REF_FRAMES];
int ref_fb_corrupted[MAX_REF_FRAMES];
@@ -342,12 +345,17 @@ static void decode_mb_rows(VP8D_COMP *pbi)
ref_fb_corrupted[i] = pc->yv12_fb[ref_fb_index[i]].corrupted;
}
dst_buffer[0] = pc->yv12_fb[dst_fb_idx].y_buffer;
dst_buffer[1] = pc->yv12_fb[dst_fb_idx].u_buffer;
dst_buffer[2] = pc->yv12_fb[dst_fb_idx].v_buffer;
/* Set up the buffer pointers */
lf_dst[0] = dst_buffer[0] = pc->yv12_fb[dst_fb_idx].y_buffer;
lf_dst[1] = dst_buffer[1] = pc->yv12_fb[dst_fb_idx].u_buffer;
lf_dst[2] = dst_buffer[2] = pc->yv12_fb[dst_fb_idx].v_buffer;
xd->up_available = 0;
/* Initialize the loop filter for this frame. */
if(pc->filter_level)
vp8_loop_filter_frame_init(pc, xd, pc->filter_level);
/* Decode the individual macro block */
for (mb_row = 0; mb_row < pc->mb_rows; mb_row++)
{
@@ -449,26 +457,55 @@ static void decode_mb_rows(VP8D_COMP *pbi)
xd->recon_left[1] += 8;
xd->recon_left[2] += 8;
recon_yoffset += 16;
recon_uvoffset += 8;
++xd->mode_info_context; /* next mb */
xd->above_context++;
}
/* adjust to the next row of mbs */
vp8_extend_mb_row(
&pc->yv12_fb[dst_fb_idx],
xd->dst.y_buffer + 16, xd->dst.u_buffer + 8, xd->dst.v_buffer + 8
);
vp8_extend_mb_row(&pc->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16,
xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
++xd->mode_info_context; /* skip prediction column */
xd->up_available = 1;
if(pc->filter_level)
{
if(mb_row > 0)
{
if (pc->filter_type == NORMAL_LOOPFILTER)
vp8_loop_filter_row_normal(pc, lf_mic, mb_row-1,
recon_y_stride, recon_uv_stride,
lf_dst[0], lf_dst[1], lf_dst[2]);
else
vp8_loop_filter_row_simple(pc, lf_mic, mb_row-1,
recon_y_stride, recon_uv_stride,
lf_dst[0], lf_dst[1], lf_dst[2]);
lf_dst[0] += recon_y_stride * 16;
lf_dst[1] += recon_uv_stride * 8;
lf_dst[2] += recon_uv_stride * 8;
lf_mic += pc->mb_cols;
lf_mic++; /* Skip border mb */
}
}
}
if(pc->filter_level)
{
if (pc->filter_type == NORMAL_LOOPFILTER)
vp8_loop_filter_row_normal(pc, lf_mic, mb_row-1, recon_y_stride,
recon_uv_stride, lf_dst[0], lf_dst[1],
lf_dst[2]);
else
vp8_loop_filter_row_simple(pc, lf_mic, mb_row-1, recon_y_stride,
recon_uv_stride, lf_dst[0], lf_dst[1],
lf_dst[2]);
}
vp8_yv12_extend_frame_borders(&pc->yv12_fb[dst_fb_idx]);
}
static unsigned int read_partition_size(const unsigned char *cx_size)