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swscale: ppc: Hide arch-specific initialization details

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Also give consistent names to init functions.
This commit is contained in:
Diego Biurrun
2012-10-11 01:06:04 +02:00
parent 6af2c351b3
commit c2503d9c8a
9 changed files with 51 additions and 25 deletions
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6
libswscale/ppc/Makefile
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@@ -1,3 +1,3 @@
ALTIVEC-OBJS += ppc/swscale_altivec.o \
ppc/yuv2rgb_altivec.o \
ppc/yuv2yuv_altivec.o \
OBJS += ppc/swscale_altivec.o \
ppc/yuv2rgb_altivec.o \
ppc/yuv2yuv_altivec.o \

6
libswscale/ppc/swscale_altivec.c
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@@ -30,6 +30,7 @@
#include "libavutil/cpu.h"
#include "yuv2rgb_altivec.h"
#if HAVE_ALTIVEC
#define vzero vec_splat_s32(0)
#define yuv2planeX_8(d1, d2, l1, src, x, perm, filter) do { \
@@ -284,9 +285,11 @@ static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
}
}
}
#endif /* HAVE_ALTIVEC */
av_cold void ff_sws_init_swScale_altivec(SwsContext *c)
av_cold void ff_sws_init_swscale_ppc(SwsContext *c)
{
#if HAVE_ALTIVEC
enum AVPixelFormat dstFormat = c->dstFormat;
if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
@@ -325,4 +328,5 @@ av_cold void ff_sws_init_swScale_altivec(SwsContext *c)
break;
}
}
#endif /* HAVE_ALTIVEC */
}

28
libswscale/ppc/yuv2rgb_altivec.c
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@@ -99,6 +99,8 @@
#include "libavutil/cpu.h"
#include "yuv2rgb_altivec.h"
#if HAVE_ALTIVEC
#undef PROFILE_THE_BEAST
#undef INC_SCALING
@@ -528,14 +530,17 @@ static int altivec_uyvy_rgb32(SwsContext *c, const unsigned char **in,
return srcSliceH;
}
#endif /* HAVE_ALTIVEC */
/* Ok currently the acceleration routine only supports
* inputs of widths a multiple of 16
* and heights a multiple 2
*
* So we just fall back to the C codes for this.
*/
av_cold SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c)
av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsContext *c)
{
#if HAVE_ALTIVEC
if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
return NULL;
@@ -591,20 +596,26 @@ av_cold SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c)
}
break;
}
#endif /* HAVE_ALTIVEC */
return NULL;
}
av_cold void ff_yuv2rgb_init_tables_altivec(SwsContext *c,
const int inv_table[4],
int brightness,
int contrast,
int saturation)
av_cold void ff_yuv2rgb_init_tables_ppc(SwsContext *c,
const int inv_table[4],
int brightness,
int contrast,
int saturation)
{
#if HAVE_ALTIVEC
union {
DECLARE_ALIGNED(16, signed short, tmp)[8];
vector signed short vec;
} buf;
if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
return;
buf.tmp[0] = ((0xffffLL) * contrast >> 8) >> 9; // cy
buf.tmp[1] = -256 * brightness; // oy
buf.tmp[2] = (inv_table[0] >> 3) * (contrast >> 16) * (saturation >> 16); // crv
@@ -620,8 +631,11 @@ av_cold void ff_yuv2rgb_init_tables_altivec(SwsContext *c,
c->CGU = vec_splat((vector signed short) buf.vec, 4);
c->CGV = vec_splat((vector signed short) buf.vec, 5);
return;
#endif /* HAVE_ALTIVEC */
}
#if HAVE_ALTIVEC
static av_always_inline void yuv2packedX_altivec(SwsContext *c,
const int16_t *lumFilter,
const int16_t **lumSrc,
@@ -854,3 +868,5 @@ YUV2PACKEDX_WRAPPER(argb, AV_PIX_FMT_ARGB);
YUV2PACKEDX_WRAPPER(rgba, AV_PIX_FMT_RGBA);
YUV2PACKEDX_WRAPPER(rgb24, AV_PIX_FMT_RGB24);
YUV2PACKEDX_WRAPPER(bgr24, AV_PIX_FMT_BGR24);
#endif /* HAVE_ALTIVEC */

8
libswscale/ppc/yuv2yuv_altivec.c
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@@ -28,6 +28,8 @@
#include "libswscale/swscale_internal.h"
#include "libavutil/cpu.h"
#if HAVE_ALTIVEC
static int yv12toyuy2_unscaled_altivec(SwsContext *c, const uint8_t *src[],
int srcStride[], int srcSliceY,
int srcSliceH, uint8_t *dstParam[],
@@ -179,8 +181,11 @@ static int yv12touyvy_unscaled_altivec(SwsContext *c, const uint8_t *src[],
return srcSliceH;
}
void ff_swscale_get_unscaled_altivec(SwsContext *c)
#endif /* HAVE_ALTIVEC */
void ff_swscale_get_unscaled_ppc(SwsContext *c)
{
#if HAVE_ALTIVEC
if ((av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) && !(c->srcW & 15) &&
!(c->flags & SWS_BITEXACT) && c->srcFormat == AV_PIX_FMT_YUV420P) {
enum AVPixelFormat dstFormat = c->dstFormat;
@@ -191,4 +196,5 @@ void ff_swscale_get_unscaled_altivec(SwsContext *c)
else if (dstFormat == AV_PIX_FMT_UYVY422)
c->swScale = yv12touyvy_unscaled_altivec;
}
#endif /* HAVE_ALTIVEC */
}