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hevc: eliminate an unnecessary array 

We do not need to store the value of the split flag.
This commit is contained in:
Anton Khirnov 2014-07-27 08:17:29 +00:00
parent 4b169321b8
commit e36a2f4c52
2 changed files with 5 additions and 10 deletions
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14
libavcodec/hevc.c
View File

@ -166,7 +166,6 @@ static void pic_arrays_free(HEVCContext *s)
{
av_freep(&s->sao);
av_freep(&s->deblock);
av_freep(&s->split_cu_flag);
av_freep(&s->skip_flag);
av_freep(&s->tab_ct_depth);
@ -192,7 +191,6 @@ static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps)
int log2_min_cb_size = sps->log2_min_cb_size;
int width = sps->width;
int height = sps->height;
int pic_size = width * height;
int pic_size_in_ctb = ((width >> log2_min_cb_size) + 1) *
((height >> log2_min_cb_size) + 1);
int ctb_count = sps->ctb_width * sps->ctb_height;
@ -203,8 +201,7 @@ static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps)
s->sao = av_mallocz_array(ctb_count, sizeof(*s->sao));
s->deblock = av_mallocz_array(ctb_count, sizeof(*s->deblock));
s->split_cu_flag = av_malloc(pic_size);
if (!s->sao || !s->deblock || !s->split_cu_flag)
if (!s->sao || !s->deblock)
goto fail;
s->skip_flag = av_malloc(pic_size_in_ctb);
@ -2234,16 +2231,15 @@ static int hls_coding_quadtree(HEVCContext *s, int x0, int y0,
{
HEVCLocalContext *lc = &s->HEVClc;
const int cb_size = 1 << log2_cb_size;
int split_cu;
lc->ct.depth = cb_depth;
if (x0 + cb_size <= s->sps->width &&
y0 + cb_size <= s->sps->height &&
log2_cb_size > s->sps->log2_min_cb_size) {
SAMPLE(s->split_cu_flag, x0, y0) =
ff_hevc_split_coding_unit_flag_decode(s, cb_depth, x0, y0);
split_cu = ff_hevc_split_coding_unit_flag_decode(s, cb_depth, x0, y0);
} else {
SAMPLE(s->split_cu_flag, x0, y0) =
(log2_cb_size > s->sps->log2_min_cb_size);
split_cu = (log2_cb_size > s->sps->log2_min_cb_size);
}
if (s->pps->cu_qp_delta_enabled_flag &&
log2_cb_size >= s->sps->log2_ctb_size - s->pps->diff_cu_qp_delta_depth) {
@ -2251,7 +2247,7 @@ static int hls_coding_quadtree(HEVCContext *s, int x0, int y0,
lc->tu.cu_qp_delta = 0;
}
if (SAMPLE(s->split_cu_flag, x0, y0)) {
if (split_cu) {
const int cb_size_split = cb_size >> 1;
const int x1 = x0 + cb_size_split;
const int y1 = y0 + cb_size_split;

1
libavcodec/hevc.h
View File

@ -806,7 +806,6 @@ typedef struct HEVCContext {
VideoDSPContext vdsp;
BswapDSPContext bdsp;
int8_t *qp_y_tab;
uint8_t *split_cu_flag;
uint8_t *horizontal_bs;
uint8_t *vertical_bs;