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hevc: templatize intra_pred

This commit is contained in:
Anton Khirnov 2014-05-17 20:41:22 +02:00
parent 04db5794cd
commit a1c2b48018
4 changed files with 25 additions and 9 deletions
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10
libavcodec/hevc.c
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@ -1240,18 +1240,18 @@ static int hls_transform_unit(HEVCContext *s, int x0, int y0,
int trafo_size = 1 << log2_trafo_size;
ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size);
s->hpc.intra_pred(s, x0, y0, log2_trafo_size, 0);
s->hpc.intra_pred[log2_trafo_size - 2](s, x0, y0, 0);
if (log2_trafo_size > 2) {
trafo_size = trafo_size << (s->sps->hshift[1] - 1);
ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size);
s->hpc.intra_pred(s, x0, y0, log2_trafo_size - 1, 1);
s->hpc.intra_pred(s, x0, y0, log2_trafo_size - 1, 2);
s->hpc.intra_pred[log2_trafo_size - 3](s, x0, y0, 1);
s->hpc.intra_pred[log2_trafo_size - 3](s, x0, y0, 2);
} else if (blk_idx == 3) {
trafo_size = trafo_size << s->sps->hshift[1];
ff_hevc_set_neighbour_available(s, xBase, yBase,
trafo_size, trafo_size);
s->hpc.intra_pred(s, xBase, yBase, log2_trafo_size, 1);
s->hpc.intra_pred(s, xBase, yBase, log2_trafo_size, 2);
s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase, 1);
s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase, 2);
}
}

3
libavcodec/hevc.h
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@ -712,8 +712,7 @@ typedef struct HEVCNAL {
struct HEVCContext;
typedef struct HEVCPredContext {
void (*intra_pred)(struct HEVCContext *s, int x0, int y0,
int log2_size, int c_idx);
void (*intra_pred[4])(struct HEVCContext *s, int x0, int y0, int c_idx);
void (*pred_planar[4])(uint8_t *src, const uint8_t *top,
const uint8_t *left, ptrdiff_t stride);

5
libavcodec/hevcpred.c
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@ -40,7 +40,10 @@ void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth)
#define FUNC(a, depth) a ## _ ## depth
#define HEVC_PRED(depth) \
hpc->intra_pred = FUNC(intra_pred, depth); \
hpc->intra_pred[0] = FUNC(intra_pred_2, depth); \
hpc->intra_pred[1] = FUNC(intra_pred_3, depth); \
hpc->intra_pred[2] = FUNC(intra_pred_4, depth); \
hpc->intra_pred[3] = FUNC(intra_pred_5, depth); \
hpc->pred_planar[0] = FUNC(pred_planar_0, depth); \
hpc->pred_planar[1] = FUNC(pred_planar_1, depth); \
hpc->pred_planar[2] = FUNC(pred_planar_2, depth); \

16
libavcodec/hevcpred_template.c
View File

@ -28,7 +28,8 @@
#define POS(x, y) src[(x) + stride * (y)]
static void FUNC(intra_pred)(HEVCContext *s, int x0, int y0, int log2_size, int c_idx)
static av_always_inline void FUNC(intra_pred)(HEVCContext *s, int x0, int y0,
int log2_size, int c_idx)
{
#define PU(x) \
((x) >> s->sps->log2_min_pu_size)
@ -349,6 +350,19 @@ static void FUNC(intra_pred)(HEVCContext *s, int x0, int y0, int log2_size, int
}
}
#define INTRA_PRED(size) \
static void FUNC(intra_pred_ ## size)(HEVCContext *s, int x0, int y0, int c_idx) \
{ \
FUNC(intra_pred)(s, x0, y0, size, c_idx); \
}
INTRA_PRED(2)
INTRA_PRED(3)
INTRA_PRED(4)
INTRA_PRED(5)
#undef INTRA_PRED
static av_always_inline void FUNC(pred_planar)(uint8_t *_src, const uint8_t *_top,
const uint8_t *_left, ptrdiff_t stride,
int trafo_size)