diff options
Diffstat (limited to 'libavcodec/ppc/vp3dsp_altivec.c')
| -rw-r--r-- | libavcodec/ppc/vp3dsp_altivec.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/libavcodec/ppc/vp3dsp_altivec.c b/libavcodec/ppc/vp3dsp_altivec.c index 68e7102..4a367b6 100644 --- a/libavcodec/ppc/vp3dsp_altivec.c +++ b/libavcodec/ppc/vp3dsp_altivec.c @@ -1,20 +1,20 @@ /* * Copyright (C) 2009 David Conrad * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -28,12 +28,17 @@ #include "libavutil/ppc/util_altivec.h" #include "libavcodec/vp3dsp.h" -#if HAVE_ALTIVEC && HAVE_BIGENDIAN +#if HAVE_ALTIVEC static const vec_s16 constants = {0, 64277, 60547, 54491, 46341, 36410, 25080, 12785}; +#if HAVE_BIGENDIAN static const vec_u8 interleave_high = {0, 1, 16, 17, 4, 5, 20, 21, 8, 9, 24, 25, 12, 13, 28, 29}; +#else +static const vec_u8 interleave_high = + {2, 3, 18, 19, 6, 7, 22, 23, 10, 11, 26, 27, 14, 15, 30, 31}; +#endif #define IDCT_START \ vec_s16 A, B, C, D, Ad, Bd, Cd, Dd, E, F, G, H;\ @@ -156,9 +161,18 @@ static void vp3_idct_add_altivec(uint8_t *dst, int stride, int16_t block[64]) TRANSPOSE8(b0, b1, b2, b3, b4, b5, b6, b7); IDCT_1D(ADD8, SHIFT4) -#define ADD(a)\ +#if HAVE_BIGENDIAN +#define GET_VDST16\ vdst = vec_ld(0, dst);\ - vdst_16 = (vec_s16)vec_perm(vdst, zero_u8v, vdst_mask);\ + vdst_16 = (vec_s16)vec_perm(vdst, zero_u8v, vdst_mask); +#else +#define GET_VDST16\ + vdst = vec_vsx_ld(0,dst);\ + vdst_16 = (vec_s16)vec_mergeh(vdst, zero_u8v); +#endif + +#define ADD(a)\ + GET_VDST16;\ vdst_16 = vec_adds(a, vdst_16);\ t = vec_packsu(vdst_16, vdst_16);\ vec_ste((vec_u32)t, 0, (unsigned int *)dst);\ @@ -179,7 +193,7 @@ static void vp3_idct_add_altivec(uint8_t *dst, int stride, int16_t block[64]) av_cold void ff_vp3dsp_init_ppc(VP3DSPContext *c, int flags) { -#if HAVE_ALTIVEC && HAVE_BIGENDIAN +#if HAVE_ALTIVEC if (!PPC_ALTIVEC(av_get_cpu_flags())) return; |
