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vf_gradfun: move x86 init code to x86/gradfun.c 

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2012-07-01 12:51:30 +01:00
parent fc31508e3a
commit 2f0accf103
3 changed files with 26 additions and 21 deletions
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7
libavfilter/gradfun.h
View File

@ -37,12 +37,9 @@ typedef struct {
void (*blur_line) (uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width);
} GradFunContext;
void ff_gradfun_init_x86(GradFunContext *gf);
void ff_gradfun_filter_line_c(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
void ff_gradfun_blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width);
void ff_gradfun_filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
void ff_gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
void ff_gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width);
#endif /* AVFILTER_GRADFUN_H */

9
libavfilter/vf_gradfun.c
View File

@ -123,7 +123,6 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
GradFunContext *gf = ctx->priv;
float thresh = 1.2;
int radius = 16;
int cpu_flags = av_get_cpu_flags();
if (args)
sscanf(args, "%f:%d", &thresh, &radius);
@ -135,12 +134,8 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
gf->blur_line = ff_gradfun_blur_line_c;
gf->filter_line = ff_gradfun_filter_line_c;
if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX2)
gf->filter_line = ff_gradfun_filter_line_mmx2;
if (HAVE_SSSE3 && cpu_flags & AV_CPU_FLAG_SSSE3)
gf->filter_line = ff_gradfun_filter_line_ssse3;
if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2)
gf->blur_line = ff_gradfun_blur_line_sse2;
if (HAVE_MMX)
ff_gradfun_init_x86(gf);
av_log(ctx, AV_LOG_VERBOSE, "threshold:%.2f radius:%d\n", thresh, gf->radius);

31
libavfilter/x86/gradfun.c
View File

@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86_cpu.h"
#include "libavfilter/gradfun.h"
@ -25,9 +26,9 @@
DECLARE_ALIGNED(16, static const uint16_t, pw_7f)[8] = {0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F};
DECLARE_ALIGNED(16, static const uint16_t, pw_ff)[8] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
void ff_gradfun_filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
#if HAVE_MMX2
static void gradfun_filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
{
#if HAVE_MMX
intptr_t x;
if (width & 3) {
x = width & ~3;
@ -70,12 +71,12 @@ void ff_gradfun_filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc, int w
"rm"(thresh), "m"(*dithers), "m"(*pw_7f)
:"memory"
);
#endif
}
#endif
void ff_gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
{
#if HAVE_SSSE3
static void gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
{
intptr_t x;
if (width & 7) {
// could be 10% faster if I somehow eliminated this
@ -117,12 +118,12 @@ void ff_gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, int
"rm"(thresh), "m"(*dithers), "m"(*pw_7f)
:"memory"
);
#endif // HAVE_SSSE3
}
#endif // HAVE_SSSE3
void ff_gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width)
{
#if HAVE_SSE
static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width)
{
#define BLURV(load)\
intptr_t x = -2*width;\
__asm__ volatile(\
@ -160,5 +161,17 @@ void ff_gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint
} else {
BLURV("movdqa");
}
#endif // HAVE_SSE
}
#endif // HAVE_SSE
av_cold void ff_gradfun_init_x86(GradFunContext *gf)
{
int cpu_flags = av_get_cpu_flags();
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2)
gf->filter_line = gradfun_filter_line_mmx2;
if (HAVE_SSSE3 && cpu_flags & AV_CPU_FLAG_SSSE3)
gf->filter_line = gradfun_filter_line_ssse3;
if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2)
gf->blur_line = gradfun_blur_line_sse2;
}