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hook up support for SSE2-optimized VP3 IDCT 

Originally committed as revision 3064 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson 2004-04-25 03:33:30 +00:00
parent 78a16bfec6
commit 38acbc3cb9
4 changed files with 23 additions and 7 deletions
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3
libavcodec/Makefile
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@ -116,7 +116,8 @@ ifeq ($(TARGET_MMX),yes)
OBJS += i386/fdct_mmx.o i386/cputest.o \
i386/dsputil_mmx.o i386/mpegvideo_mmx.o \
i386/idct_mmx.o i386/motion_est_mmx.o \
i386/simple_idct_mmx.o i386/fft_sse.o i386/vp3dsp_mmx.o
i386/simple_idct_mmx.o i386/fft_sse.o i386/vp3dsp_mmx.o \
i386/vp3dsp_sse2.o
ifdef TARGET_BUILTIN_VECTOR
i386/fft_sse.o: CFLAGS+= -msse
depend: CFLAGS+= -msse

7
libavcodec/dsputil.h
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@ -73,6 +73,12 @@ void vp3_idct_put_mmx(int16_t *input_data, int16_t *dequant_matrix,
void vp3_idct_add_mmx(int16_t *input_data, int16_t *dequant_matrix,
int coeff_count, uint8_t *dest, int stride);
void vp3_dsp_init_sse2(void);
void vp3_idct_put_sse2(int16_t *input_data, int16_t *dequant_matrix,
int coeff_count, uint8_t *dest, int stride);
void vp3_idct_add_sse2(int16_t *input_data, int16_t *dequant_matrix,
int coeff_count, uint8_t *dest, int stride);
/* minimum alignment rules ;)
if u notice errors in the align stuff, need more alignment for some asm code for some cpu
@ -403,6 +409,7 @@ static inline void emms(void)
}
#define __align8 __attribute__ ((aligned (8)))
#define __align16 __attribute__ ((aligned (16)))
void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx);
void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);

12
libavcodec/i386/dsputil_mmx.c
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@ -2147,9 +2147,15 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
}
/* VP3 optimized DSP functions */
c->vp3_dsp_init = vp3_dsp_init_mmx;
c->vp3_idct_put = vp3_idct_put_mmx;
c->vp3_idct_add = vp3_idct_add_mmx;
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;
} 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;
}
#ifdef CONFIG_ENCODERS
c->get_pixels = get_pixels_mmx;

8
libavcodec/vp3.c
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@ -268,9 +268,11 @@ typedef struct Vp3DecodeContext {
VLC ac_vlc_3[16];
VLC ac_vlc_4[16];
int16_t intra_y_dequant[64];
int16_t intra_c_dequant[64];
int16_t inter_dequant[64];
/* these arrays need to be on 16-byte boundaries since SSE2 operations
* index into them */
int16_t __align16 intra_y_dequant[64];
int16_t __align16 intra_c_dequant[64];
int16_t __align16 inter_dequant[64];
/* This table contains superblock_count * 16 entries. Each set of 16
* numbers corresponds to the fragment indices 0..15 of the superblock.