generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

put_pixels16_l2_altivec and avg_pixels16_l2_altivec

Browse Source 
Originally committed as revision 5452 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato 2006-06-03 22:18:03 +00:00
parent 696d6889d2
commit 0d18f79860
1 changed files with 85 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

117
libavcodec/ppc/dsputil_h264_altivec.c
View File

@ -188,44 +188,97 @@ static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint
OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
}\
static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
const uint8_t * src2, int dst_stride,
int src_stride1, int h)
{
int i;
vector unsigned char a, b, d, tmp1, tmp2, mask, mask_, edges, align;
/* from dsputil.c */
static inline void put_pixels8_l2(uint8_t * dst, const uint8_t * src1, const uint8_t * src2, int dst_stride, int src_stride1, int src_stride2, int h) {
int i;
for (i = 0; i < h; i++) {
uint32_t a, b;
a = (((const struct unaligned_32 *) (&src1[i * src_stride1]))->l);
b = (((const struct unaligned_32 *) (&src2[i * src_stride2]))->l);
*((uint32_t *) & dst[i * dst_stride]) = rnd_avg32(a, b);
a = (((const struct unaligned_32 *) (&src1[i * src_stride1 + 4]))->l);
b = (((const struct unaligned_32 *) (&src2[i * src_stride2 + 4]))->l);
*((uint32_t *) & dst[i * dst_stride + 4]) = rnd_avg32(a, b);
}
} static inline void avg_pixels8_l2(uint8_t * dst, const uint8_t * src1, const uint8_t * src2, int dst_stride, int src_stride1, int src_stride2, int h) {
int i;
for (i = 0; i < h; i++) {
uint32_t a, b;
a = (((const struct unaligned_32 *) (&src1[i * src_stride1]))->l);
b = (((const struct unaligned_32 *) (&src2[i * src_stride2]))->l);
*((uint32_t *) & dst[i * dst_stride]) = rnd_avg32(*((uint32_t *) & dst[i * dst_stride]), rnd_avg32(a, b));
a = (((const struct unaligned_32 *) (&src1[i * src_stride1 + 4]))->l);
b = (((const struct unaligned_32 *) (&src2[i * src_stride2 + 4]))->l);
*((uint32_t *) & dst[i * dst_stride + 4]) = rnd_avg32(*((uint32_t *) & dst[i * dst_stride + 4]), rnd_avg32(a, b));
}
} static inline void put_pixels16_l2(uint8_t * dst, const uint8_t * src1, const uint8_t * src2, int dst_stride, int src_stride1, int src_stride2, int h) {
put_pixels8_l2(dst, src1, src2, dst_stride, src_stride1, src_stride2, h);
put_pixels8_l2(dst + 8, src1 + 8, src2 + 8, dst_stride, src_stride1, src_stride2, h);
} static inline void avg_pixels16_l2(uint8_t * dst, const uint8_t * src1, const uint8_t * src2, int dst_stride, int src_stride1, int src_stride2, int h) {
avg_pixels8_l2(dst, src1, src2, dst_stride, src_stride1, src_stride2, h);
avg_pixels8_l2(dst + 8, src1 + 8, src2 + 8, dst_stride, src_stride1, src_stride2, h);
mask_ = vec_lvsl(0, src2);
for (i = 0; i < h; i++) {
tmp1 = vec_ld(i * src_stride1, src1);
mask = vec_lvsl(i * src_stride1, src1);
tmp2 = vec_ld(i * src_stride1 + 15, src1);
a = vec_perm(tmp1, tmp2, mask);
tmp1 = vec_ld(i * 16, src2);
tmp2 = vec_ld(i * 16 + 15, src2);
b = vec_perm(tmp1, tmp2, mask_);
tmp1 = vec_ld(0, dst);
mask = vec_lvsl(0, dst);
tmp2 = vec_ld(15, dst);
d = vec_avg(a, b);
edges = vec_perm(tmp2, tmp1, mask);
align = vec_lvsr(0, dst);
tmp1 = vec_perm(edges, d, align);
tmp2 = vec_perm(d, edges, align);
vec_st(tmp2, 15, dst);
vec_st(tmp1, 0 , dst);
dst += dst_stride;
}
}
/* UNIMPLEMENTED YET !! */
static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
const uint8_t * src2, int dst_stride,
int src_stride1, int h)
{
int i;
vector unsigned char a, b, d, tmp1, tmp2, mask, mask_, edges, align;
mask_ = vec_lvsl(0, src2);
for (i = 0; i < h; i++) {
tmp1 = vec_ld(i * src_stride1, src1);
mask = vec_lvsl(i * src_stride1, src1);
tmp2 = vec_ld(i * src_stride1 + 15, src1);
a = vec_perm(tmp1, tmp2, mask);
tmp1 = vec_ld(i * 16, src2);
tmp2 = vec_ld(i * 16 + 15, src2);
b = vec_perm(tmp1, tmp2, mask_);
tmp1 = vec_ld(0, dst);
mask = vec_lvsl(0, dst);
tmp2 = vec_ld(15, dst);
d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b));
edges = vec_perm(tmp2, tmp1, mask);
align = vec_lvsr(0, dst);
tmp1 = vec_perm(edges, d, align);
tmp2 = vec_perm(d, edges, align);
vec_st(tmp2, 15, dst);
vec_st(tmp1, 0 , dst);
dst += dst_stride;
}
}
/* Implemented but could be faster
#define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
#define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
*/
H264_MC(put_, 16, altivec)
H264_MC(avg_, 16, altivec)
H264_MC(put_, 16, altivec)
H264_MC(avg_, 16, altivec)
void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {