virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

vp9: remove memset in loopfilter level setting loop.

Browse Source 
Use same function for segmentation map writing also.
This commit is contained in:
Ronald S. Bultje 2014-02-08 17:03:21 -05:00 committed by Clément Bœsch
parent 45245e202e
commit 37c6eac296
1 changed files with 53 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
libavcodec/vp9.c
View File

@ -1268,6 +1268,52 @@ static void fill_mv(VP9Context *s,
}
}
static av_always_inline void setctx_2d(uint8_t *ptr, int w, int h,
ptrdiff_t stride, int v)
{
switch (w) {
case 1:
do {
*ptr = v;
ptr += stride;
} while (--h);
break;
case 2: {
int v16 = v * 0x0101;
do {
AV_WN16A(ptr, v16);
ptr += stride;
} while (--h);
break;
}
case 4: {
uint32_t v32 = v * 0x01010101;
do {
AV_WN32A(ptr, v32);
ptr += stride;
} while (--h);
break;
}
case 8: {
#if HAVE_FAST_64BIT
uint64_t v64 = v * 0x0101010101010101ULL;
do {
AV_WN64A(ptr, v64);
ptr += stride;
} while (--h);
#else
uint32_t l32 = v * 0x01010101;
do {
AV_WN32A(ptr, v32);
AV_WN32A(ptr + 4, v32);
ptr += stride;
} while (--h);
#endif
break;
}
}
}
static void decode_mode(AVCodecContext *ctx)
{
static const uint8_t left_ctx[N_BS_SIZES] = {
@ -1320,10 +1366,8 @@ static void decode_mode(AVCodecContext *ctx)
}
if (s->segmentation.enabled &&
(s->segmentation.update_map || s->keyframe || s->intraonly)) {
uint8_t *segmap = s->frames[CUR_FRAME].segmentation_map;
for (y = 0; y < h4; y++)
memset(&segmap[(y + row) * 8 * s->sb_cols + col], b->seg_id, w4);
setctx_2d(&s->frames[CUR_FRAME].segmentation_map[row * 8 * s->sb_cols + col],
w4, h4, 8 * s->sb_cols, b->seg_id);
}
b->skip = s->segmentation.enabled &&
@ -2831,7 +2875,7 @@ static void decode_b(AVCodecContext *ctx, int row, int col,
VP9Context *s = ctx->priv_data;
VP9Block *b = s->b;
enum BlockSize bs = bl * 3 + bp;
int y, w4 = bwh_tab[1][bs][0], h4 = bwh_tab[1][bs][1], lvl;
int w4 = bwh_tab[1][bs][0], h4 = bwh_tab[1][bs][1], lvl;
int emu[2];
AVFrame *f = s->frames[CUR_FRAME].tf.f;
@ -2960,12 +3004,11 @@ static void decode_b(AVCodecContext *ctx, int row, int col,
(lvl = s->segmentation.feat[b->seg_id].lflvl[b->intra ? 0 : b->ref[0] + 1]
[b->mode[3] != ZEROMV]) > 0) {
int x_end = FFMIN(s->cols - col, w4), y_end = FFMIN(s->rows - row, h4);
int skip_inter = !b->intra && b->skip;
int skip_inter = !b->intra && b->skip, col7 = s->col7, row7 = s->row7;
for (y = 0; y < h4; y++)
memset(&lflvl->level[((row & 7) + y) * 8 + (col & 7)], lvl, w4);
mask_edges(lflvl, 0, row & 7, col & 7, x_end, y_end, 0, 0, b->tx, skip_inter);
mask_edges(lflvl, 1, row & 7, col & 7, x_end, y_end,
setctx_2d(&lflvl->level[row7 * 8 + col7], w4, h4, 8, lvl);
mask_edges(lflvl, 0, row7, col7, x_end, y_end, 0, 0, b->tx, skip_inter);
mask_edges(lflvl, 1, row7, col7, x_end, y_end,
s->cols & 1 && col + w4 >= s->cols ? s->cols & 7 : 0,
s->rows & 1 && row + h4 >= s->rows ? s->rows & 7 : 0,
b->uvtx, skip_inter);