swscale: fixed compiler warnings

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libswscale/swscale.c

@@ -321,35 +321,45 @@ static int swscale(SwsContext *c, const uint8_t *src[],
 {
     /* load a few things into local vars to make the code more readable?
      * and faster */
+#ifndef NEW_FILTER
     const int srcW                   = c->srcW;
+#endif
     const int dstW                   = c->dstW;
     const int dstH                   = c->dstH;
     const int chrDstW                = c->chrDstW;
+#ifndef NEW_FILTER
     const int chrSrcW                = c->chrSrcW;
     const int lumXInc                = c->lumXInc;
     const int chrXInc                = c->chrXInc;
+#endif
     const enum AVPixelFormat dstFormat = c->dstFormat;
     const int flags                  = c->flags;
     int32_t *vLumFilterPos           = c->vLumFilterPos;
     int32_t *vChrFilterPos           = c->vChrFilterPos;
+#ifndef NEW_FILTER
     int32_t *hLumFilterPos           = c->hLumFilterPos;
     int32_t *hChrFilterPos           = c->hChrFilterPos;
     int16_t *hLumFilter              = c->hLumFilter;
     int16_t *hChrFilter              = c->hChrFilter;
+#endif
     int32_t *lumMmxFilter            = c->lumMmxFilter;
     int32_t *chrMmxFilter            = c->chrMmxFilter;
     const int vLumFilterSize         = c->vLumFilterSize;
     const int vChrFilterSize         = c->vChrFilterSize;
+#ifndef NEW_FILTER
     const int hLumFilterSize         = c->hLumFilterSize;
     const int hChrFilterSize         = c->hChrFilterSize;
     int16_t **lumPixBuf              = c->lumPixBuf;
     int16_t **chrUPixBuf             = c->chrUPixBuf;
     int16_t **chrVPixBuf             = c->chrVPixBuf;
+#endif
     int16_t **alpPixBuf              = c->alpPixBuf;
     const int vLumBufSize            = c->vLumBufSize;
     const int vChrBufSize            = c->vChrBufSize;
+#ifndef NEW_FILTER
     uint8_t *formatConvBuffer        = c->formatConvBuffer;
     uint32_t *pal                    = c->pal_yuv;
+#endif
     yuv2planar1_fn yuv2plane1        = c->yuv2plane1;
     yuv2planarX_fn yuv2planeX        = c->yuv2planeX;
     yuv2interleavedX_fn yuv2nv12cX   = c->yuv2nv12cX;
@@ -369,9 +379,8 @@ static int swscale(SwsContext *c, const uint8_t *src[],
     int chrBufIndex  = c->chrBufIndex;
     int lastInLumBuf = c->lastInLumBuf;
     int lastInChrBuf = c->lastInChrBuf;
-    int perform_gamma = c->is_internal_gamma;
+//    int perform_gamma = c->is_internal_gamma;
 
-    int numDesc = c->numDesc;
     int lumStart = 0;
     int lumEnd = c->descIndex[0];
     int chrStart = lumEnd;
@@ -382,10 +391,11 @@ static int swscale(SwsContext *c, const uint8_t *src[],
     int hasLumHoles = 1;
     int hasChrHoles = 1;
 
-
+#ifndef NEW_FILTER
     if (!usePal(c->srcFormat)) {
         pal = c->input_rgb2yuv_table;
     }
+#endif
 
     if (isPacked(c->srcFormat)) {
         src[0] =
@@ -450,8 +460,6 @@ static int swscale(SwsContext *c, const uint8_t *src[],
     }
     lastDstY = dstY;
 
-#define NEW_FILTER 1
-
     ff_init_slice_from_src(src_slice, (uint8_t**)src, srcStride, c->srcW,
             srcSliceY, srcSliceH,
             chrSrcSliceY, chrSrcSliceH);
@@ -532,7 +540,7 @@ static int swscale(SwsContext *c, const uint8_t *src[],
                           lastLumSrcY, lastChrSrcY);
         }
 
-#if NEW_FILTER
+#ifdef NEW_FILTER
         posY = dst_slice->plane[0].sliceY + dst_slice->plane[0].sliceH;
         if (posY <= lastLumSrcY && !hasLumHoles) {
             firstPosY = FFMAX(firstLumSrcY, posY);
@@ -645,7 +653,7 @@ static int swscale(SwsContext *c, const uint8_t *src[],
         }
 
         {
-#if NEW_FILTER
+#ifdef NEW_FILTER
             const int16_t **lumSrcPtr  = (const int16_t **)(void*) dst_slice->plane[0].line + firstLumSrcY - dst_slice->plane[0].sliceY;
             const int16_t **chrUSrcPtr = (const int16_t **)(void*) dst_slice->plane[1].line + firstChrSrcY - dst_slice->plane[1].sliceY;
             const int16_t **chrVSrcPtr = (const int16_t **)(void*) dst_slice->plane[2].line + firstChrSrcY - dst_slice->plane[2].sliceY;
@@ -722,7 +730,7 @@ static int swscale(SwsContext *c, const uint8_t *src[],
                     }
                 }
             } else if (yuv2packedX) {
-#if !NEW_FILTER
+#ifndef NEW_FILTER
                 av_assert1(lumSrcPtr  + vLumFilterSize - 1 < (const int16_t **)lumPixBuf  + vLumBufSize * 2);
                 av_assert1(chrUSrcPtr + vChrFilterSize - 1 < (const int16_t **)chrUPixBuf + vChrBufSize * 2);
 #endif

libswscale/swscale_internal.h

@@ -1036,4 +1036,6 @@ int ff_init_desc_no_chr(SwsFilterDescriptor *desc, SwsSlice * src, SwsSlice *dst
 //number of extra lines to process
 #define MAX_LINES_AHEAD 4
 
+
+#define NEW_FILTER
 #endif /* SWSCALE_SWSCALE_INTERNAL_H */

libswscale/x86/swscale.c

@@ -85,8 +85,7 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
 {
     const int dstH= c->dstH;
     const int flags= c->flags;
-#define NEW_FILTER 1
-#if NEW_FILTER
+#ifdef NEW_FILTER
     SwsPlane *lumPlane = &c->slice[c->numSlice-1].plane[0];
     SwsPlane *chrUPlane = &c->slice[c->numSlice-1].plane[1];
     SwsPlane *alpPlane = &c->slice[c->numSlice-1].plane[3];
@@ -94,10 +93,10 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
     int16_t **lumPixBuf= c->lumPixBuf;
     int16_t **chrUPixBuf= c->chrUPixBuf;
     int16_t **alpPixBuf= c->alpPixBuf;
-#endif
-    int hasAlpha = c->alpPixBuf != NULL;
     const int vLumBufSize= c->vLumBufSize;
     const int vChrBufSize= c->vChrBufSize;
+#endif
+    int hasAlpha = c->alpPixBuf != NULL;
     int32_t *vLumFilterPos= c->vLumFilterPos;
     int32_t *vChrFilterPos= c->vChrFilterPos;
     int16_t *vLumFilter= c->vLumFilter;
@@ -118,7 +117,7 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
         c->greenDither= ff_dither4[dstY&1];
     c->redDither= ff_dither8[(dstY+1)&1];
     if (dstY < dstH - 2) {
-#if NEW_FILTER
+#ifdef NEW_FILTER
         const int16_t **lumSrcPtr  = (const int16_t **)(void*) lumPlane->line + firstLumSrcY - lumPlane->sliceY;
         const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPlane->line + firstChrSrcY - chrUPlane->sliceY;
         const int16_t **alpSrcPtr  = (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) ? (const int16_t **)(void*) alpPlane->line + firstLumSrcY - alpPlane->sliceY : NULL;
@@ -129,7 +128,7 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
 #endif
         int i;
         if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
-#if NEW_FILTER
+#ifdef NEW_FILTER
             const int16_t **tmpY = (const int16_t **) lumPlane->tmp;
 #else
             const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;
@@ -144,7 +143,7 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
             lumSrcPtr = tmpY;
 
             if (alpSrcPtr) {
-#if NEW_FILTER
+#ifdef NEW_FILTER
                 const int16_t **tmpA = (const int16_t **) alpPlane->tmp;
 #else
                 const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;
@@ -159,7 +158,7 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
             }
         }
         if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
-#if NEW_FILTER
+#ifdef NEW_FILTER
             const int16_t **tmpU = (const int16_t **) chrUPlane->tmp;
 #else
             const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;