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Code Issues Releases Activity

avcodec/ppc/idct_altivec: add plain idct()

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Tested-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-14 18:32:17 +02:00
parent 7128a35f8c
commit b065d0014b
3 changed files with 18 additions and 0 deletions
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1
libavcodec/ppc/dsputil_altivec.h
View File

@ -30,6 +30,7 @@
void ff_fdct_altivec(int16_t *block);
void ff_gmc1_altivec(uint8_t *dst, uint8_t *src, int stride, int h,
int x16, int y16, int rounder);
void ff_idct_altivec(int16_t *block);
void ff_idct_put_altivec(uint8_t *dest, int line_size, int16_t *block);
void ff_idct_add_altivec(uint8_t *dest, int line_size, int16_t *block);

1
libavcodec/ppc/dsputil_ppc.c
View File

@ -158,6 +158,7 @@ av_cold void ff_dsputil_init_ppc(DSPContext *c, AVCodecContext *avctx,
if (avctx->lowres == 0) {
if ((avctx->idct_algo == FF_IDCT_AUTO) ||
(avctx->idct_algo == FF_IDCT_ALTIVEC)) {
c->idct = ff_idct_altivec;
c->idct_put = ff_idct_put_altivec;
c->idct_add = ff_idct_add_altivec;
c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;

16
libavcodec/ppc/idct_altivec.c
View File

@ -148,6 +148,22 @@ static const vec_s16 constants[5] = {
{ 19266, 26722, 25172, 22654, 19266, 22654, 25172, 26722 }
};
void ff_idct_altivec(int16_t *blk)
{
vec_s16 *block = (vec_s16 *) blk;
IDCT;
block[0] = vx0;
block[1] = vx1;
block[2] = vx2;
block[3] = vx3;
block[4] = vx4;
block[5] = vx5;
block[6] = vx6;
block[7] = vx7;
}
void ff_idct_put_altivec(uint8_t *dest, int stride, int16_t *blk)
{
vec_s16 *block = (vec_s16 *) blk;