summaryrefslogtreecommitdiffstats
path: root/libswscale/swscale_template.c
diff options
context:
space:
mode:
Diffstat (limited to 'libswscale/swscale_template.c')
-rw-r--r--libswscale/swscale_template.c166
1 files changed, 19 insertions, 147 deletions
diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c
index 2a73c0e..4bb7bf2 100644
--- a/libswscale/swscale_template.c
+++ b/libswscale/swscale_template.c
@@ -363,153 +363,11 @@ static inline void hScale_c(int16_t *dst, int dstW, const uint8_t *src,
}
}
-static inline void RENAME(hScale16)(int16_t *dst, int dstW, const uint16_t *src, int srcW, int xInc,
+static inline void hScale16_c(int16_t *dst, int dstW, const uint16_t *src, int srcW, int xInc,
const int16_t *filter, const int16_t *filterPos, long filterSize, int shift)
{
int i, j;
-#if COMPILE_TEMPLATE_MMX
- assert(filterSize % 4 == 0 && filterSize>0);
- if (filterSize==4 && shift<15) { // Always true for upscaling, sometimes for down, too.
- x86_reg counter= -2*dstW;
- filter-= counter*2;
- filterPos-= counter/2;
- dst-= counter/2;
- __asm__ volatile(
- "movd %5, %%mm7 \n\t"
-#if defined(PIC)
- "push %%"REG_b" \n\t"
-#endif
- "push %%"REG_BP" \n\t" // we use 7 regs here ...
- "mov %%"REG_a", %%"REG_BP" \n\t"
- ".p2align 4 \n\t"
- "1: \n\t"
- "movzwl (%2, %%"REG_BP"), %%eax \n\t"
- "movzwl 2(%2, %%"REG_BP"), %%ebx \n\t"
- "movq (%1, %%"REG_BP", 4), %%mm1 \n\t"
- "movq 8(%1, %%"REG_BP", 4), %%mm3 \n\t"
- "movq (%3, %%"REG_a", 2), %%mm0 \n\t"
- "movq (%3, %%"REG_b", 2), %%mm2 \n\t"
- "pmaddwd %%mm1, %%mm0 \n\t"
- "pmaddwd %%mm2, %%mm3 \n\t"
- "movq %%mm0, %%mm4 \n\t"
- "punpckldq %%mm3, %%mm0 \n\t"
- "punpckhdq %%mm3, %%mm4 \n\t"
- "paddd %%mm4, %%mm0 \n\t"
- "psrad %%mm7, %%mm0 \n\t"
- "packssdw %%mm0, %%mm0 \n\t"
- "movd %%mm0, (%4, %%"REG_BP") \n\t"
- "add $4, %%"REG_BP" \n\t"
- " jnc 1b \n\t"
-
- "pop %%"REG_BP" \n\t"
-#if defined(PIC)
- "pop %%"REG_b" \n\t"
-#endif
- : "+a" (counter)
- : "c" (filter), "d" (filterPos), "S" (src), "D" (dst), "m"(shift)
-#if !defined(PIC)
- : "%"REG_b
-#endif
- );
- } else if (filterSize==8 && shift<15) {
- x86_reg counter= -2*dstW;
- filter-= counter*4;
- filterPos-= counter/2;
- dst-= counter/2;
- __asm__ volatile(
- "movd %5, %%mm7 \n\t"
-#if defined(PIC)
- "push %%"REG_b" \n\t"
-#endif
- "push %%"REG_BP" \n\t" // we use 7 regs here ...
- "mov %%"REG_a", %%"REG_BP" \n\t"
- ".p2align 4 \n\t"
- "1: \n\t"
- "movzwl (%2, %%"REG_BP"), %%eax \n\t"
- "movzwl 2(%2, %%"REG_BP"), %%ebx \n\t"
- "movq (%1, %%"REG_BP", 8), %%mm1 \n\t"
- "movq 16(%1, %%"REG_BP", 8), %%mm3 \n\t"
- "movq (%3, %%"REG_a", 2), %%mm0 \n\t"
- "movq (%3, %%"REG_b", 2), %%mm2 \n\t"
- "pmaddwd %%mm1, %%mm0 \n\t"
- "pmaddwd %%mm2, %%mm3 \n\t"
-
- "movq 8(%1, %%"REG_BP", 8), %%mm1 \n\t"
- "movq 24(%1, %%"REG_BP", 8), %%mm5 \n\t"
- "movq 8(%3, %%"REG_a", 2), %%mm4 \n\t"
- "movq 8(%3, %%"REG_b", 2), %%mm2 \n\t"
- "pmaddwd %%mm1, %%mm4 \n\t"
- "pmaddwd %%mm2, %%mm5 \n\t"
- "paddd %%mm4, %%mm0 \n\t"
- "paddd %%mm5, %%mm3 \n\t"
- "movq %%mm0, %%mm4 \n\t"
- "punpckldq %%mm3, %%mm0 \n\t"
- "punpckhdq %%mm3, %%mm4 \n\t"
- "paddd %%mm4, %%mm0 \n\t"
- "psrad %%mm7, %%mm0 \n\t"
- "packssdw %%mm0, %%mm0 \n\t"
- "movd %%mm0, (%4, %%"REG_BP") \n\t"
- "add $4, %%"REG_BP" \n\t"
- " jnc 1b \n\t"
-
- "pop %%"REG_BP" \n\t"
-#if defined(PIC)
- "pop %%"REG_b" \n\t"
-#endif
- : "+a" (counter)
- : "c" (filter), "d" (filterPos), "S" (src), "D" (dst), "m"(shift)
-#if !defined(PIC)
- : "%"REG_b
-#endif
- );
- } else if (shift<15){
- const uint16_t *offset = src+filterSize;
- x86_reg counter= -2*dstW;
- //filter-= counter*filterSize/2;
- filterPos-= counter/2;
- dst-= counter/2;
- __asm__ volatile(
- "movd %7, %%mm7 \n\t"
- ".p2align 4 \n\t"
- "1: \n\t"
- "mov %2, %%"REG_c" \n\t"
- "movzwl (%%"REG_c", %0), %%eax \n\t"
- "movzwl 2(%%"REG_c", %0), %%edx \n\t"
- "mov %5, %%"REG_c" \n\t"
- "pxor %%mm4, %%mm4 \n\t"
- "pxor %%mm5, %%mm5 \n\t"
- "2: \n\t"
- "movq (%1), %%mm1 \n\t"
- "movq (%1, %6), %%mm3 \n\t"
- "movq (%%"REG_c", %%"REG_a", 2), %%mm0 \n\t"
- "movq (%%"REG_c", %%"REG_d", 2), %%mm2 \n\t"
- "pmaddwd %%mm1, %%mm0 \n\t"
- "pmaddwd %%mm2, %%mm3 \n\t"
- "paddd %%mm3, %%mm5 \n\t"
- "paddd %%mm0, %%mm4 \n\t"
- "add $8, %1 \n\t"
- "add $8, %%"REG_c" \n\t"
- "cmp %4, %%"REG_c" \n\t"
- " jb 2b \n\t"
- "add %6, %1 \n\t"
- "movq %%mm4, %%mm0 \n\t"
- "punpckldq %%mm5, %%mm4 \n\t"
- "punpckhdq %%mm5, %%mm0 \n\t"
- "paddd %%mm0, %%mm4 \n\t"
- "psrad %%mm7, %%mm4 \n\t"
- "packssdw %%mm4, %%mm4 \n\t"
- "mov %3, %%"REG_a" \n\t"
- "movd %%mm4, (%%"REG_a", %0) \n\t"
- "add $4, %0 \n\t"
- " jnc 1b \n\t"
-
- : "+r" (counter), "+r" (filter)
- : "m" (filterPos), "m" (dst), "m"(offset),
- "m" (src), "r" ((x86_reg)filterSize*2), "m"(shift)
- : "%"REG_a, "%"REG_c, "%"REG_d
- );
- } else
-#endif
+
for (i=0; i<dstW; i++) {
int srcPos= filterPos[i];
int val=0;
@@ -520,7 +378,7 @@ static inline void RENAME(hScale16)(int16_t *dst, int dstW, const uint16_t *src,
}
}
-static inline void RENAME(hScale16X)(int16_t *dst, int dstW, const uint16_t *src, int srcW, int xInc,
+static inline void hScale16X_c(int16_t *dst, int dstW, const uint16_t *src, int srcW, int xInc,
const int16_t *filter, const int16_t *filterPos, long filterSize, int shift)
{
int i, j;
@@ -660,6 +518,11 @@ inline static void hcscale_c(SwsContext *c, uint16_t *dst, long dstWidth,
#define DEBUG_SWSCALE_BUFFERS 0
#define DEBUG_BUFFERS(...) if (DEBUG_SWSCALE_BUFFERS) av_log(c, AV_LOG_DEBUG, __VA_ARGS__)
+#if HAVE_MMX
+static void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
+ int lastInLumBuf, int lastInChrBuf);
+#endif
+
static int swScale_c(SwsContext *c, const uint8_t* src[], int srcStride[],
int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[])
{
@@ -831,6 +694,9 @@ static int swScale_c(SwsContext *c, const uint8_t* src[], int srcStride[],
if (!enough_lines)
break; //we can't output a dstY line so let's try with the next slice
+#if HAVE_MMX
+ updateMMXDitherTables(c, dstY, lumBufIndex, chrBufIndex, lastInLumBuf, lastInChrBuf);
+#endif
if (dstY < dstH-2) {
const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
const int16_t **chrSrcPtr= (const int16_t **) chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
@@ -955,6 +821,12 @@ static int swScale_c(SwsContext *c, const uint8_t* src[], int srcStride[],
if ((dstFormat == PIX_FMT_YUVA420P) && !alpPixBuf)
fillPlane(dst[3], dstStride[3], dstW, dstY-lastDstY, lastDstY, 255);
+#if HAVE_MMX2
+ if (av_get_cpu_flags() & AV_CPU_FLAG_MMX2)
+ __asm__ volatile("sfence":::"memory");
+#endif
+ emms_c();
+
/* store changed local vars back in the context */
c->dstY= dstY;
c->lumBufIndex= lumBufIndex;
@@ -1001,14 +873,14 @@ static void sws_init_swScale_c(SwsContext *c)
case PIX_FMT_YUV420P10BE:
case PIX_FMT_YUV420P16BE:
case PIX_FMT_YUV422P16BE:
- case PIX_FMT_YUV444P16BE: c->hScale16= HAVE_BIGENDIAN ? RENAME(hScale16) : RENAME(hScale16X); break;
+ case PIX_FMT_YUV444P16BE: c->hScale16= HAVE_BIGENDIAN ? hScale16_c : hScale16X_c; break;
case PIX_FMT_GRAY16LE :
case PIX_FMT_YUV420P9LE:
case PIX_FMT_YUV422P10LE:
case PIX_FMT_YUV420P10LE:
case PIX_FMT_YUV420P16LE:
case PIX_FMT_YUV422P16LE:
- case PIX_FMT_YUV444P16LE: c->hScale16= HAVE_BIGENDIAN ? RENAME(hScale16X) : RENAME(hScale16); break;
+ case PIX_FMT_YUV444P16LE: c->hScale16= HAVE_BIGENDIAN ? hScale16X_c : hScale16_c; break;
}
if (c->chrSrcHSubSample) {
switch(srcFormat) {
OpenPOWER on IntegriCloud