Merge remote-tracking branch 'qatar/master'

* qatar/master: (21 commits)
  swscale: Add Doxygen for hyscale_fast/hScale.
  fate: enable lavfi-pixmt tests on big endian systems
  PPC: swscale: disable altivec functions for unsupported formats
  fate: merge identical pixdesc_be/le tests
  swscale: Add Doxygen for yuv2planar*/yuv2packed* functions.
  build: call texi2pod.pl with full path instead of symlink
  build: include sub-makefiles using full path instead of symlinks
  swscale: update big endian reference values after dff5a835.
  wavpack: skip blocks with no samples
  cosmetics: remove outdated comment that is no longer true
  build: replace some addprefix/addsuffix with substitution refs
  avutil: Remove unused arbitrary precision integer code.
  configure: Drop check for availability of ten assembler operands.
  aacenc: Save channel configuration for later use.
  aacenc: Fix codebook trellising for zeroed bands.
  swscale: change prototypes of scaled YUV output functions.
  swscale: re-add support for non-native endianness.
  swscale: disentangle yuv2rgbX_c_full() into small functions.
  swscale: split yuv2packed[12X]_c() remainders into small functions.
  swscale: split yuv2packedX_altivec in smaller functions.
  ...

Conflicts:
	Makefile
	configure
	libavcodec/x86/dsputil_mmx.c
	libavfilter/Makefile
	libavformat/Makefile
	libavutil/integer.c
	libavutil/integer.h
	libswscale/swscale.c
	libswscale/swscale_internal.h
	libswscale/x86/swscale_template.c
	tests/ref/lavfi/pixdesc_le
	tests/ref/lavfi/pixfmts_scale

Merged-by: Michael Niedermayer <michaelni@gmx.at>

3 files changed, 52 insertions, 19 deletions

diff --git a/libswscale/ppc/swscale_altivec.c b/libswscale/ppc/swscale_altivec.c
index 08f10d2c18..924c67d191 100644
--- a/libswscale/ppc/swscale_altivec.c
+++ b/libswscale/ppc/swscale_altivec.c
@@ -98,10 +98,9 @@ yuv2yuvX_altivec_real(SwsContext *c,
                       int lumFilterSize, const int16_t *chrFilter,
                       const int16_t **chrUSrc, const int16_t **chrVSrc,
                       int chrFilterSize, const int16_t **alpSrc,
-                      uint8_t *dest, uint8_t *uDest,
-                      uint8_t *vDest, uint8_t *aDest,
-                      int dstW, int chrDstW)
+                      uint8_t *dest[4], int dstW, int chrDstW)
 {
+    uint8_t *yDest = dest[0], *uDest = dest[1], *vDest = dest[2];
     const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)};
     register int i, j;
     {
@@ -150,7 +149,7 @@ yuv2yuvX_altivec_real(SwsContext *c,
                 val[i] += lumSrc[j][i] * lumFilter[j];
             }
         }
-        altivec_packIntArrayToCharArray(val, dest, dstW);
+        altivec_packIntArrayToCharArray(val, yDest, dstW);
     }
     if (uDest != 0) {
         DECLARE_ALIGNED(16, int, u)[chrDstW];
@@ -408,16 +407,22 @@ void ff_sws_init_swScale_altivec(SwsContext *c)
         return;
 
     c->hScale       = hScale_altivec_real;
-    if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat)) {
+    if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) &&
+        dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21 &&
+        !c->alpPixBuf) {
         c->yuv2yuvX     = yuv2yuvX_altivec_real;
     }
 
     /* The following list of supported dstFormat values should
      * match what's found in the body of ff_yuv2packedX_altivec() */
-    if (!(c->flags & (SWS_BITEXACT | SWS_FULL_CHR_H_INT)) && !c->alpPixBuf &&
-        (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||
-         c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
-         c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB)) {
-            c->yuv2packedX  = ff_yuv2packedX_altivec;
+    if (!(c->flags & (SWS_BITEXACT | SWS_FULL_CHR_H_INT)) && !c->alpPixBuf) {
+        switch (c->dstFormat) {
+        case PIX_FMT_ABGR:  c->yuv2packedX = ff_yuv2abgr_X_altivec;  break;
+        case PIX_FMT_BGRA:  c->yuv2packedX = ff_yuv2bgra_X_altivec;  break;
+        case PIX_FMT_ARGB:  c->yuv2packedX = ff_yuv2argb_X_altivec;  break;
+        case PIX_FMT_RGBA:  c->yuv2packedX = ff_yuv2rgba_X_altivec;  break;
+        case PIX_FMT_BGR24: c->yuv2packedX = ff_yuv2bgr24_X_altivec; break;
+        case PIX_FMT_RGB24: c->yuv2packedX = ff_yuv2rgb24_X_altivec; break;
         }
+    }
 }
diff --git a/libswscale/ppc/yuv2rgb_altivec.c b/libswscale/ppc/yuv2rgb_altivec.c
index e13702b100..8e84c26382 100644
--- a/libswscale/ppc/yuv2rgb_altivec.c
+++ b/libswscale/ppc/yuv2rgb_altivec.c
@@ -627,13 +627,13 @@ void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4], int b
 }
 
 
-void
+static av_always_inline void
 ff_yuv2packedX_altivec(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 dstY)
+                       int dstW, int dstY, enum PixelFormat target)
 {
     int i,j;
     vector signed short X,X0,X1,Y0,U0,V0,Y1,U1,V1,U,V;
@@ -707,7 +707,7 @@ ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter,
         G  = vec_packclp (G0,G1);
         B  = vec_packclp (B0,B1);
 
-        switch(c->dstFormat) {
+        switch(target) {
         case PIX_FMT_ABGR:  out_abgr  (R,G,B,out); break;
         case PIX_FMT_BGRA:  out_bgra  (R,G,B,out); break;
         case PIX_FMT_RGBA:  out_rgba  (R,G,B,out); break;
@@ -786,7 +786,7 @@ ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter,
         B  = vec_packclp (B0,B1);
 
         nout = (vector unsigned char *)scratch;
-        switch(c->dstFormat) {
+        switch(target) {
         case PIX_FMT_ABGR:  out_abgr  (R,G,B,nout); break;
         case PIX_FMT_BGRA:  out_bgra  (R,G,B,nout); break;
         case PIX_FMT_RGBA:  out_rgba  (R,G,B,nout); break;
@@ -804,3 +804,23 @@ ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter,
     }
 
 }
+
+#define YUV2PACKEDX_WRAPPER(suffix, pixfmt) \
+void ff_yuv2 ## suffix ## _X_altivec(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 dstY) \
+{ \
+    ff_yuv2packedX_altivec(c, lumFilter, lumSrc, lumFilterSize, \
+                           chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
+                           alpSrc, dest, dstW, dstY, pixfmt); \
+}
+
+YUV2PACKEDX_WRAPPER(abgr,  PIX_FMT_ABGR);
+YUV2PACKEDX_WRAPPER(bgra,  PIX_FMT_BGRA);
+YUV2PACKEDX_WRAPPER(argb,  PIX_FMT_ARGB);
+YUV2PACKEDX_WRAPPER(rgba,  PIX_FMT_RGBA);
+YUV2PACKEDX_WRAPPER(rgb24, PIX_FMT_RGB24);
+YUV2PACKEDX_WRAPPER(bgr24, PIX_FMT_BGR24);
diff --git a/libswscale/ppc/yuv2rgb_altivec.h b/libswscale/ppc/yuv2rgb_altivec.h
index 15385b1d3b..163eba6eb7 100644
--- a/libswscale/ppc/yuv2rgb_altivec.h
+++ b/libswscale/ppc/yuv2rgb_altivec.h
@@ -24,11 +24,19 @@
 #ifndef PPC_YUV2RGB_ALTIVEC_H
 #define PPC_YUV2RGB_ALTIVEC_H 1
 
-void ff_yuv2packedX_altivec(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,
+#define YUV2PACKEDX_HEADER(suffix) \
+void ff_yuv2 ## suffix ## _X_altivec(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 dstY);
 
+YUV2PACKEDX_HEADER(abgr);
+YUV2PACKEDX_HEADER(bgra);
+YUV2PACKEDX_HEADER(argb);
+YUV2PACKEDX_HEADER(rgba);
+YUV2PACKEDX_HEADER(rgb24);
+YUV2PACKEDX_HEADER(bgr24);
+
 #endif /* PPC_YUV2RGB_ALTIVEC_H */