diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/i386/dsputil_mmx.c')
| -rw-r--r-- | src/libffmpeg/libavcodec/i386/dsputil_mmx.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/src/libffmpeg/libavcodec/i386/dsputil_mmx.c b/src/libffmpeg/libavcodec/i386/dsputil_mmx.c index 772c9c1f0..c8db22e64 100644 --- a/src/libffmpeg/libavcodec/i386/dsputil_mmx.c +++ b/src/libffmpeg/libavcodec/i386/dsputil_mmx.c @@ -22,6 +22,7 @@ #include "../dsputil.h" #include "../simple_idct.h" +#include "mmx.h" //#undef NDEBUG //#include <assert.h> @@ -293,6 +294,24 @@ void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size :"memory"); } +static unsigned char __align8 vector128[8] = + { 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 }; + +void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size) +{ + int i; + + movq_m2r(*vector128, mm1); + for (i = 0; i < 8; i++) { + movq_m2r(*(block), mm0); + packsswb_m2r(*(block + 4), mm0); + block += 8; + paddb_r2r(mm1, mm0); + movq_r2m(mm0, *pixels); + pixels += line_size; + } +} + void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size) { const DCTELEM *p; @@ -2149,19 +2168,18 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx) /* VP3 optimized DSP functions */ if (mm_flags & MM_SSE2) { c->vp3_dsp_init = vp3_dsp_init_sse2; - c->vp3_idct_put = vp3_idct_put_sse2; - c->vp3_idct_add = vp3_idct_add_sse2; + c->vp3_idct = vp3_idct_sse2; } else { c->vp3_dsp_init = vp3_dsp_init_mmx; - c->vp3_idct_put = vp3_idct_put_mmx; - c->vp3_idct_add = vp3_idct_add_mmx; + c->vp3_idct = vp3_idct_mmx; } - + #ifdef CONFIG_ENCODERS c->get_pixels = get_pixels_mmx; c->diff_pixels = diff_pixels_mmx; #endif //CONFIG_ENCODERS c->put_pixels_clamped = put_pixels_clamped_mmx; + c->put_signed_pixels_clamped = put_signed_pixels_clamped_mmx; c->add_pixels_clamped = add_pixels_clamped_mmx; c->clear_blocks = clear_blocks_mmx; #ifdef CONFIG_ENCODERS |