pp: add support for SSE2.

libpostproc/postprocess.c

@@ -557,8 +557,13 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step,
 #        include "postprocess_template.c"
 #        define TEMPLATE_PP_3DNOW 1
 #        include "postprocess_template.c"
+#        define TEMPLATE_PP_SSE2 1
+#        include "postprocess_template.c"
 #    else
-#        if HAVE_MMXEXT_INLINE
+#        if HAVE_SSE2_INLINE
+#            define TEMPLATE_PP_SSE2 1
+#            include "postprocess_template.c"
+#        elif HAVE_MMXEXT_INLINE
 #            define TEMPLATE_PP_MMXEXT 1
 #            include "postprocess_template.c"
 #        elif HAVE_AMD3DNOW_INLINE
@@ -586,14 +591,17 @@ static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[]
 #if CONFIG_RUNTIME_CPUDETECT
 #if ARCH_X86 && HAVE_INLINE_ASM
         // ordered per speed fastest first
-        if      (c->cpuCaps & AV_CPU_FLAG_MMXEXT)   pp = postProcess_MMX2;
+        if      (c->cpuCaps & AV_CPU_FLAG_SSE2)     pp = postProcess_SSE2;
+        else if (c->cpuCaps & AV_CPU_FLAG_MMXEXT)   pp = postProcess_MMX2;
         else if (c->cpuCaps & AV_CPU_FLAG_3DNOW)    pp = postProcess_3DNow;
         else if (c->cpuCaps & AV_CPU_FLAG_MMX)      pp = postProcess_MMX;
 #elif HAVE_ALTIVEC
         if      (c->cpuCaps & AV_CPU_FLAG_ALTIVEC)  pp = postProcess_altivec;
 #endif
 #else /* CONFIG_RUNTIME_CPUDETECT */
-#if   HAVE_MMXEXT_INLINE
+#if     HAVE_SSE2_INLINE
+        pp = postProcess_SSE2;
+#elif   HAVE_MMXEXT_INLINE
         pp = postProcess_MMX2;
 #elif HAVE_AMD3DNOW_INLINE
         pp = postProcess_3DNow;

libpostproc/postprocess_template.c

@@ -64,6 +64,16 @@
 #   define TEMPLATE_PP_3DNOW 0
 #endif
 
+#ifdef TEMPLATE_PP_SSE2
+#   undef  TEMPLATE_PP_MMX
+#   define TEMPLATE_PP_MMX 1
+#   undef  TEMPLATE_PP_MMXEXT
+#   define TEMPLATE_PP_MMXEXT 1
+#   define RENAME(a) a ## _SSE2
+#else
+#   define TEMPLATE_PP_SSE2 0
+#endif
+
 #undef REAL_PAVGB
 #undef PAVGB
 #undef PMINUB
@@ -3675,3 +3685,4 @@ static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[
 #undef TEMPLATE_PP_MMX
 #undef TEMPLATE_PP_MMXEXT
 #undef TEMPLATE_PP_3DNOW
+#undef TEMPLATE_PP_SSE2