revert r20775, because equivalent code has been committed to x264 instead

[ffmpeg] / libswscale / swscale_template.c

diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c
index 27faf49d3548ac504cd98529eda2c73005f1f5ac..675db6aa3fb052b6484ed390230460728337eeda 100644 (file)
--- a/libswscale/swscale_template.c
+++ b/libswscale/swscale_template.c
@@ -944,7 +944,7 @@ static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter, con
 
 static inline void RENAME(yuv2nv12X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
                                      const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
-                                     uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
+                                     uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, enum PixelFormat dstFormat)
 {
     yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
                  chrFilter, chrSrc, chrFilterSize,
@@ -1361,7 +1361,7 @@ static inline void RENAME(yuv2packed2)(SwsContext *c, const uint16_t *buf0, cons
  * YV12 to RGB without scaling or interpolating
  */
 static inline void RENAME(yuv2packed1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
-                          const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
+                          const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, enum PixelFormat dstFormat, int flags, int y)
 {
     const int yalpha1=0;
     int i;
@@ -1784,8 +1784,56 @@ static inline void RENAME(BEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *s
 #endif
 }
 
+static inline void RENAME(nvXXtoUV)(uint8_t *dst1, uint8_t *dst2,
+                                    const uint8_t *src, long width)
+{
+#if COMPILE_TEMPLATE_MMX
+    __asm__ volatile(
+        "movq "MANGLE(bm01010101)", %%mm4           \n\t"
+        "mov                    %0, %%"REG_a"       \n\t"
+        "1:                                         \n\t"
+        "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
+        "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
+        "movq                %%mm0, %%mm2           \n\t"
+        "movq                %%mm1, %%mm3           \n\t"
+        "pand                %%mm4, %%mm0           \n\t"
+        "pand                %%mm4, %%mm1           \n\t"
+        "psrlw                  $8, %%mm2           \n\t"
+        "psrlw                  $8, %%mm3           \n\t"
+        "packuswb            %%mm1, %%mm0           \n\t"
+        "packuswb            %%mm3, %%mm2           \n\t"
+        "movq                %%mm0, (%2, %%"REG_a") \n\t"
+        "movq                %%mm2, (%3, %%"REG_a") \n\t"
+        "add                    $8, %%"REG_a"       \n\t"
+        " js                    1b                  \n\t"
+        : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst1+width), "r" (dst2+width)
+        : "%"REG_a
+    );
+#else
+    int i;
+    for (i = 0; i < width; i++) {
+        dst1[i] = src[2*i+0];
+        dst2[i] = src[2*i+1];
+    }
+#endif
+}
+
+static inline void RENAME(nv12ToUV)(uint8_t *dstU, uint8_t *dstV,
+                                    const uint8_t *src1, const uint8_t *src2,
+                                    long width, uint32_t *unused)
+{
+    RENAME(nvXXtoUV)(dstU, dstV, src1, width);
+}
+
+static inline void RENAME(nv21ToUV)(uint8_t *dstU, uint8_t *dstV,
+                                    const uint8_t *src1, const uint8_t *src2,
+                                    long width, uint32_t *unused)
+{
+    RENAME(nvXXtoUV)(dstV, dstU, src1, width);
+}
+
 #if COMPILE_TEMPLATE_MMX
-static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, const uint8_t *src, long width, int srcFormat)
+static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, const uint8_t *src, long width, enum PixelFormat srcFormat)
 {
 
     if(srcFormat == PIX_FMT_BGR24) {
@@ -1838,7 +1886,7 @@ static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, const uint8_t *src, long w
     );
 }
 
-static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, long width, int srcFormat)
+static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, long width, enum PixelFormat srcFormat)
 {
     __asm__ volatile(
         "movq                    24+%4, %%mm6       \n\t"
@@ -2197,7 +2245,7 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
 static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src, int srcW, int xInc,
                                    int flags, const int16_t *hLumFilter,
                                    const int16_t *hLumFilterPos, int hLumFilterSize,
-                                   int srcFormat, uint8_t *formatConvBuffer,
+                                   enum PixelFormat srcFormat, uint8_t *formatConvBuffer,
                                    uint32_t *pal, int isAlpha)
 {
     int32_t av_unused *mmx2FilterPos = c->lumMmx2FilterPos;
@@ -2374,7 +2422,7 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
 inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src1, const uint8_t *src2,
                                    int srcW, int xInc, int flags, const int16_t *hChrFilter,
                                    const int16_t *hChrFilterPos, int hChrFilterSize,
-                                   int srcFormat, uint8_t *formatConvBuffer,
+                                   enum PixelFormat srcFormat, uint8_t *formatConvBuffer,
                                    uint32_t *pal)
 {
     int32_t av_unused *mmx2FilterPos = c->chrMmx2FilterPos;
@@ -2496,7 +2544,7 @@ inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth,
 
 /* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
    which is needed to support GCC 4.0. */
-#if ARCH_X86_64 && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#if ARCH_X86_64 && AV_GCC_VERSION_AT_LEAST(3,4)
                 :: "m" (src1), "m" (dst), "g" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
 #else
                 :: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
@@ -2543,8 +2591,8 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
     const int chrSrcW= c->chrSrcW;
     const int lumXInc= c->lumXInc;
     const int chrXInc= c->chrXInc;
-    const int dstFormat= c->dstFormat;
-    const int srcFormat= c->srcFormat;
+    const enum PixelFormat dstFormat= c->dstFormat;
+    const enum PixelFormat srcFormat= c->srcFormat;
     const int flags= c->flags;
     int16_t *vLumFilterPos= c->vLumFilterPos;
     int16_t *vChrFilterPos= c->vChrFilterPos;
@@ -2613,8 +2661,8 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
        will not get executed. This is not really intended but works
        currently, so people might do it. */
     if (srcSliceY ==0) {
-        lumBufIndex=0;
-        chrBufIndex=0;
+        lumBufIndex=-1;
+        chrBufIndex=-1;
         dstY=0;
         lastInLumBuf= -1;
         lastInChrBuf= -1;
@@ -2914,6 +2962,8 @@ static void RENAME(sws_init_swScale)(SwsContext *c)
     switch(srcFormat) {
         case PIX_FMT_YUYV422  : c->hcscale_internal = RENAME(yuy2ToUV); break;
         case PIX_FMT_UYVY422  : c->hcscale_internal = RENAME(uyvyToUV); break;
+        case PIX_FMT_NV12     : c->hcscale_internal = RENAME(nv12ToUV); break;
+        case PIX_FMT_NV21     : c->hcscale_internal = RENAME(nv21ToUV); break;
         case PIX_FMT_RGB8     :
         case PIX_FMT_BGR8     :
         case PIX_FMT_PAL8     :