./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 \
-s 1200x720 -f null -vframes 100 -pix_fmt $i -nostats \
-cpuflags 0 -v error -
7.2x speedup:
yuyv422
126354 UNITS in yuv2packedX, 16384 runs, 0 skips
16383 UNITS in yuv2packedX, 16382 runs, 2 skips
yvyu422
117669 UNITS in yuv2packedX, 16384 runs, 0 skips
16271 UNITS in yuv2packedX, 16379 runs, 5 skips
uyvy422
117310 UNITS in yuv2packedX, 16384 runs, 0 skips
16226 UNITS in yuv2packedX, 16382 runs, 2 skips
Signed-off-by: Lauri Kasanen <c...@gmx.com>
---
libswscale/ppc/swscale_vsx.c | 104 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 104 insertions(+)
v2: Fix accidental tabs. No code changes
diff --git a/libswscale/ppc/swscale_vsx.c b/libswscale/ppc/swscale_vsx.c
index 1c4051b..69ec63d 100644
--- a/libswscale/ppc/swscale_vsx.c
+++ b/libswscale/ppc/swscale_vsx.c
@@ -726,6 +726,93 @@ write422(const vector int16_t vy1, const vector int16_t
vy2,
}
}
+static av_always_inline void
+yuv2422_X_vsx_template(SwsContext *c, const int16_t *lumFilter,
+ const int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter, const int16_t **chrUSrc,
+ const int16_t **chrVSrc, int chrFilterSize,
+ const int16_t **alpSrc, uint8_t *dest, int dstW,
+ int y, enum AVPixelFormat target)
+{
+ int i, j;
+ vector int16_t vy1, vy2, vu, vv;
+ vector int32_t vy32[4], vu32[2], vv32[2], tmp, tmp2, tmp3, tmp4;
+ vector int16_t vlumFilter[MAX_FILTER_SIZE], vchrFilter[MAX_FILTER_SIZE];
+ const vector int32_t start = vec_splats(1 << 18);
+ const vector uint32_t shift19 = vec_splats(19U);
+
+ for (i = 0; i < lumFilterSize; i++)
+ vlumFilter[i] = vec_splats(lumFilter[i]);
+ for (i = 0; i < chrFilterSize; i++)
+ vchrFilter[i] = vec_splats(chrFilter[i]);
+
+ for (i = 0; i < ((dstW + 1) >> 1); i += 8) {
+ vy32[0] =
+ vy32[1] =
+ vy32[2] =
+ vy32[3] =
+ vu32[0] =
+ vu32[1] =
+ vv32[0] =
+ vv32[1] = start;
+
+ for (j = 0; j < lumFilterSize; j++) {
+ vv = vec_ld(0, &lumSrc[j][i * 2]);
+ tmp = vec_mule(vv, vlumFilter[j]);
+ tmp2 = vec_mulo(vv, vlumFilter[j]);
+ tmp3 = vec_mergeh(tmp, tmp2);
+ tmp4 = vec_mergel(tmp, tmp2);
+
+ vy32[0] = vec_adds(vy32[0], tmp3);
+ vy32[1] = vec_adds(vy32[1], tmp4);
+
+ vv = vec_ld(0, &lumSrc[j][(i + 4) * 2]);
+ tmp = vec_mule(vv, vlumFilter[j]);
+ tmp2 = vec_mulo(vv, vlumFilter[j]);
+ tmp3 = vec_mergeh(tmp, tmp2);
+ tmp4 = vec_mergel(tmp, tmp2);
+
+ vy32[2] = vec_adds(vy32[2], tmp3);
+ vy32[3] = vec_adds(vy32[3], tmp4);
+ }
+
+ for (j = 0; j < chrFilterSize; j++) {
+ vv = vec_ld(0, &chrUSrc[j][i]);
+ tmp = vec_mule(vv, vchrFilter[j]);
+ tmp2 = vec_mulo(vv, vchrFilter[j]);
+ tmp3 = vec_mergeh(tmp, tmp2);
+ tmp4 = vec_mergel(tmp, tmp2);
+
+ vu32[0] = vec_adds(vu32[0], tmp3);
+ vu32[1] = vec_adds(vu32[1], tmp4);
+
+ vv = vec_ld(0, &chrVSrc[j][i]);
+ tmp = vec_mule(vv, vchrFilter[j]);
+ tmp2 = vec_mulo(vv, vchrFilter[j]);
+ tmp3 = vec_mergeh(tmp, tmp2);
+ tmp4 = vec_mergel(tmp, tmp2);
+
+ vv32[0] = vec_adds(vv32[0], tmp3);
+ vv32[1] = vec_adds(vv32[1], tmp4);
+ }
+
+ for (j = 0; j < 4; j++) {
+ vy32[j] = vec_sra(vy32[j], shift19);
+ }
+ for (j = 0; j < 2; j++) {
+ vu32[j] = vec_sra(vu32[j], shift19);
+ vv32[j] = vec_sra(vv32[j], shift19);
+ }
+
+ vy1 = vec_packs(vy32[0], vy32[1]);
+ vy2 = vec_packs(vy32[2], vy32[3]);
+ vu = vec_packs(vu32[0], vu32[1]);
+ vv = vec_packs(vv32[0], vv32[1]);
+
+ write422(vy1, vy2, vu, vv, &dest[i * 4], target);
+ }
+}
+
#define SETUP(x, buf0, buf1, alpha) { \
x = vec_ld(0, buf0); \
tmp = vec_mule(x, alpha); \
@@ -841,7 +928,21 @@ yuv2422_1_vsx_template(SwsContext *c, const int16_t *buf0,
}
}
+#define YUV2PACKEDWRAPPERX(name, base, ext, fmt) \
+static void name ## ext ## _X_vsx(SwsContext *c, const int16_t *lumFilter, \
+ const int16_t **lumSrc, int lumFilterSize, \
+ const int16_t *chrFilter, const int16_t
**chrUSrc, \
+ const int16_t **chrVSrc, int chrFilterSize, \
+ const int16_t **alpSrc, uint8_t *dest, int
dstW, \
+ int y) \
+{ \
+ name ## base ## _X_vsx_template(c, lumFilter, lumSrc, lumFilterSize, \
+ chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
+ alpSrc, dest, dstW, y, fmt); \
+}
+
#define YUV2PACKEDWRAPPER2(name, base, ext, fmt) \
+YUV2PACKEDWRAPPERX(name, base, ext, fmt) \
static void name ## ext ## _2_vsx(SwsContext *c, const int16_t *buf[2], \
const int16_t *ubuf[2], const int16_t
*vbuf[2], \
const int16_t *abuf[2], uint8_t *dest, int
dstW, \
@@ -976,14 +1077,17 @@ av_cold void ff_sws_init_swscale_vsx(SwsContext *c)
case AV_PIX_FMT_YUYV422:
c->yuv2packed1 = yuv2yuyv422_1_vsx;
c->yuv2packed2 = yuv2yuyv422_2_vsx;
+ c->yuv2packedX = yuv2yuyv422_X_vsx;
break;
case AV_PIX_FMT_YVYU422:
c->yuv2packed1 = yuv2yvyu422_1_vsx;
c->yuv2packed2 = yuv2yvyu422_2_vsx;
+ c->yuv2packedX = yuv2yvyu422_X_vsx;
break;
case AV_PIX_FMT_UYVY422:
c->yuv2packed1 = yuv2uyvy422_1_vsx;
c->yuv2packed2 = yuv2uyvy422_2_vsx;
+ c->yuv2packedX = yuv2uyvy422_X_vsx;
break;
}
}
--
2.6.2
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