h264 qpel mc, size 16 patch by (Romain Dolbeau <dolbeau at caps-entreprise dot com>)

Originally committed as revision 3472 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -167,7 +167,8 @@ endif
 
 ifeq ($(TARGET_ALTIVEC),yes)
 OBJS += ppc/dsputil_altivec.o ppc/mpegvideo_altivec.o ppc/idct_altivec.o \
-        ppc/fft_altivec.o ppc/gmc_altivec.o ppc/fdct_altivec.o
+        ppc/fft_altivec.o ppc/gmc_altivec.o ppc/fdct_altivec.o \
+        ppc/dsputil_h264_altivec.o
 endif
 
 ifeq ($(TARGET_ARCH_SH4),yes)

libavcodec/ppc/dsputil_ppc.c

@@ -64,7 +64,16 @@ static unsigned char* perfname[] = {
   "hadamard8_diff16_altivec",
   "avg_pixels8_xy2_altivec",
   "clear_blocks_dcbz32_ppc",
-  "clear_blocks_dcbz128_ppc"
+  "clear_blocks_dcbz128_ppc",
+  "put_h264_chroma_mc8_altivec",
+  "avg_h264_chroma_mc8_altivec",
+  "put_h264_qpel16_h_lowpass_altivec",
+  "avg_h264_qpel16_h_lowpass_altivec",
+  "put_h264_qpel16_v_lowpass_altivec",
+  "avg_h264_qpel16_v_lowpass_altivec",
+  "put_h264_qpel16_hv_lowpass_altivec",
+  "avg_h264_qpel16_hv_lowpass_altivec",
+  ""
 };
 #include <stdio.h>
 #endif
@@ -228,6 +237,9 @@ long check_dcbzl_effect(void)
 }
 #endif
 
+
+void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx);
+
 void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
 {
     // Common optimizations whether Altivec is available or not
@@ -242,6 +254,8 @@ void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
   default:
     break;
   }
+
+  dsputil_h264_init_ppc(c, avctx);
   
 #ifdef HAVE_ALTIVEC
     if (has_altivec()) {
@@ -310,10 +324,10 @@ void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
           {
 	    for (j = 0; j < POWERPC_NUM_PMC_ENABLED ; j++)
 	      {
-		perfdata[j][i][powerpc_data_min] = (unsigned long long)0xFFFFFFFFFFFFFFFF;
-		perfdata[j][i][powerpc_data_max] = (unsigned long long)0x0000000000000000;
-		perfdata[j][i][powerpc_data_sum] = (unsigned long long)0x0000000000000000;
-		perfdata[j][i][powerpc_data_num] = (unsigned long long)0x0000000000000000;
+		perfdata[j][i][powerpc_data_min] = 0xFFFFFFFFFFFFFFFFULL;
+		perfdata[j][i][powerpc_data_max] = 0x0000000000000000ULL;
+		perfdata[j][i][powerpc_data_sum] = 0x0000000000000000ULL;
+		perfdata[j][i][powerpc_data_num] = 0x0000000000000000ULL;
 	      }
 	  }
         }

libavcodec/ppc/dsputil_ppc.h

@@ -32,8 +32,11 @@
 
 #ifdef POWERPC_PERFORMANCE_REPORT
 void powerpc_display_perf_report(void);
-/* the 604* have 2, the G3* have 4, the G4s have 6 */
-#define POWERPC_NUM_PMC_ENABLED 4
+/* the 604* have 2, the G3* have 4, the G4s have 6,
+   and the G5 are completely different (they MUST use
+   POWERPC_MODE_64BITS, and let's hope all future 64 bis PPC
+   will use the same PMCs... */
+#define POWERPC_NUM_PMC_ENABLED 6
 /* if you add to the enum below, also add to the perfname array
    in dsputil_ppc.c */
 enum powerpc_perf_index {
@@ -55,6 +58,14 @@ enum powerpc_perf_index {
   altivec_avg_pixels8_xy2_num,
   powerpc_clear_blocks_dcbz32,
   powerpc_clear_blocks_dcbz128,
+  altivec_put_h264_chroma_mc8_num,
+  altivec_avg_h264_chroma_mc8_num,
+  altivec_put_h264_qpel16_h_lowpass_num,
+  altivec_avg_h264_qpel16_h_lowpass_num,
+  altivec_put_h264_qpel16_v_lowpass_num,
+  altivec_avg_h264_qpel16_v_lowpass_num,
+  altivec_put_h264_qpel16_hv_lowpass_num,
+  altivec_avg_h264_qpel16_hv_lowpass_num,
   powerpc_perf_total
 };
 enum powerpc_data_index {