Move mm_support() from libavcodec to libavutil, make it a public

function and rename it to av_get_cpu_flags().

Originally committed as revision 25076 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -633,7 +633,6 @@ SKIPHEADERS                            += mpegaudio3.h
 EXAMPLES = api
 
 TESTPROGS = cabac dct eval fft h264 iirfilter rangecoder snow
-TESTPROGS-$(ARCH_X86) += x86/cpuid
 TESTPROGS-$(HAVE_MMX) += motion
 TESTOBJS = dctref.o
 

libavcodec/arm/dsputil_init_arm.c

@@ -73,11 +73,6 @@ static void simple_idct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
     ff_add_pixels_clamped(block, dest, line_size);
 }
 
-int mm_support(void)
-{
-    return HAVE_IWMMXT * AV_CPU_FLAG_IWMMXT;
-}
-
 void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
 {
     ff_put_pixels_clamped = c->put_pixels_clamped;

libavcodec/avcodec.h

@@ -32,7 +32,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR 52
 #define LIBAVCODEC_VERSION_MINOR 87
-#define LIBAVCODEC_VERSION_MICRO  4
+#define LIBAVCODEC_VERSION_MICRO  5
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

libavcodec/dct-test.c

@@ -32,6 +32,7 @@
 #include <unistd.h>
 #include <math.h>
 
+#include "libavutil/cpu.h"
 #include "libavutil/common.h"
 #include "libavutil/lfg.h"
 
@@ -554,7 +555,7 @@ int main(int argc, char **argv)
     int test_idct = 0, test_248_dct = 0;
     int c,i;
     int test=1;
-    cpu_flags = mm_support();
+    cpu_flags = av_get_cpu_flags();
 
     ff_ref_dct_init();
     idct_mmx_init();

libavcodec/dsputil.h

@@ -610,10 +610,6 @@ static inline int get_penalty_factor(int lambda, int lambda2, int type){
  */
 #define emms_c()
 
-/* should be defined by architectures supporting
-   one or more MultiMedia extension */
-int mm_support(void);
-
 void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx);
 void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx);
 void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx);
@@ -657,10 +653,6 @@ static inline void emms(void)
 
 #define STRIDE_ALIGN 16
 
-#else
-
-#define mm_support() 0
-
 #endif
 
 #ifndef STRIDE_ALIGN

libavcodec/h263dec.c

@@ -25,6 +25,7 @@
  * H.263 decoder.
  */
 
+#include "libavutil/cpu.h"
 #include "internal.h"
 #include "avcodec.h"
 #include "dsputil.h"
@@ -553,7 +554,7 @@ retry:
 #endif
 
 #if HAVE_MMX
-    if(s->codec_id == CODEC_ID_MPEG4 && s->xvid_build>=0 && avctx->idct_algo == FF_IDCT_AUTO && (mm_support() & AV_CPU_FLAG_MMX)){
+    if (s->codec_id == CODEC_ID_MPEG4 && s->xvid_build>=0 && avctx->idct_algo == FF_IDCT_AUTO && (av_get_cpu_flags() & AV_CPU_FLAG_MMX)) {
         avctx->idct_algo= FF_IDCT_XVIDMMX;
         avctx->coded_width= 0; // force reinit
 //        dsputil_init(&s->dsp, avctx);

libavcodec/libxvidff.c

@@ -31,7 +31,7 @@
 #include <xvid.h>
 #include <unistd.h>
 #include "avcodec.h"
-#include "dsputil.h"
+#include "libavutil/cpu.h"
 #include "libavutil/intreadwrite.h"
 #include "libxvid_internal.h"
 #if !HAVE_MKSTEMP
@@ -213,7 +213,7 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx)  {
 #if ARCH_PPC
     /* Xvid's PPC support is borked, use libavcodec to detect */
 #if HAVE_ALTIVEC
-    if (mm_support() & AV_CPU_FLAG_ALTIVEC) {
+    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
         xvid_gbl_init.cpu_flags = XVID_CPU_FORCE | XVID_CPU_ALTIVEC;
     } else
 #endif

libavcodec/ppc/Makefile

@@ -18,8 +18,7 @@ FFT-OBJS-$(HAVE_GNU_AS)                += ppc/fft_altivec_s.o           \
 ALTIVEC-OBJS-$(CONFIG_FFT)             += ppc/fft_altivec.o             \
                                           $(FFT-OBJS-yes)
 
-OBJS-$(HAVE_ALTIVEC)                   += ppc/check_altivec.o           \
-                                          ppc/dsputil_altivec.o         \
+OBJS-$(HAVE_ALTIVEC)                   += ppc/dsputil_altivec.o         \
                                           ppc/fdct_altivec.o            \
                                           ppc/float_altivec.o           \
                                           ppc/gmc_altivec.o             \

libavcodec/ppc/dsputil_ppc.c

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/cpu.h"
 #include "libavcodec/dsputil.h"
 #include "dsputil_altivec.h"
 
@@ -168,7 +169,7 @@ void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
 #if HAVE_ALTIVEC
     if(CONFIG_H264_DECODER) dsputil_h264_init_ppc(c, avctx);
 
-    if (mm_support() & AV_CPU_FLAG_ALTIVEC) {
+    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
         dsputil_init_altivec(c, avctx);
         if(CONFIG_VC1_DECODER)
             vc1dsp_init_altivec(c, avctx);

libavcodec/ppc/h264_altivec.c

@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/cpu.h"
 #include "libavcodec/dsputil.h"
 #include "libavcodec/h264data.h"
 #include "libavcodec/h264dsp.h"
@@ -969,7 +970,7 @@ H264_WEIGHT( 8, 4)
 
 void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
 
-    if (mm_support() & AV_CPU_FLAG_ALTIVEC) {
+    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
         c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
         c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
         c->put_no_rnd_vc1_chroma_pixels_tab[0] = put_no_rnd_vc1_chroma_mc8_altivec;
@@ -1001,7 +1002,7 @@ void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
 
 void ff_h264dsp_init_ppc(H264DSPContext *c)
 {
-    if (mm_support() & AV_CPU_FLAG_ALTIVEC) {
+    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
         c->h264_idct_add = ff_h264_idct_add_altivec;
         c->h264_idct_add8 = ff_h264_idct_add8_altivec;
         c->h264_idct_add16 = ff_h264_idct_add16_altivec;

libavcodec/ppc/mpegvideo_altivec.c

@@ -23,6 +23,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include "libavutil/cpu.h"
 #include "libavcodec/dsputil.h"
 #include "libavcodec/mpegvideo.h"
 
@@ -570,7 +571,7 @@ static void dct_unquantize_h263_altivec(MpegEncContext *s,
 
 void MPV_common_init_altivec(MpegEncContext *s)
 {
-    if (!(mm_support() & AV_CPU_FLAG_ALTIVEC)) return;
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC)) return;
 
     if (s->avctx->lowres==0) {
         if ((s->avctx->idct_algo == FF_IDCT_AUTO) ||

libavcodec/ppc/vp8dsp_altivec.c

@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/cpu.h"
 #include "libavcodec/vp8dsp.h"
 #include "dsputil_altivec.h"
 #include "types_altivec.h"
@@ -265,7 +266,7 @@ static void put_vp8_pixels16_altivec(uint8_t *dst, int stride, uint8_t *src, int
 
 av_cold void ff_vp8dsp_init_altivec(VP8DSPContext *c)
 {
-    if (!(mm_support() & AV_CPU_FLAG_ALTIVEC))
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
         return;
 
     c->put_vp8_epel_pixels_tab[0][0][0] = put_vp8_pixels16_altivec;

libavcodec/x86/Makefile

@@ -43,8 +43,7 @@ MMX-OBJS-$(HAVE_YASM)                  += x86/dsputil_yasm.o            \
 
 MMX-OBJS-$(CONFIG_FFT)                 += x86/fft.o
 
-OBJS-$(HAVE_MMX)                       += x86/cpuid.o                   \
-                                          x86/dnxhd_mmx.o               \
+OBJS-$(HAVE_MMX)                       += x86/dnxhd_mmx.o               \
                                           x86/dsputil_mmx.o             \
                                           x86/fdct_mmx.o                \
                                           x86/idct_mmx_xvid.o           \

libavcodec/x86/cavsdsp_mmx.c

@@ -23,6 +23,7 @@
  */
 
 #include "libavutil/common.h"
+#include "libavutil/cpu.h"
 #include "libavutil/x86_cpu.h"
 #include "libavcodec/dsputil.h"
 #include "libavcodec/cavsdsp.h"
@@ -472,7 +473,7 @@ static void ff_cavsdsp_init_3dnow(CAVSDSPContext* c, AVCodecContext *avctx) {
 
 void ff_cavsdsp_init_mmx(CAVSDSPContext *c, AVCodecContext *avctx)
 {
-    int mm_flags = mm_support();
+    int mm_flags = av_get_cpu_flags();
 
     if (mm_flags & AV_CPU_FLAG_MMX2)  ff_cavsdsp_init_mmx2 (c, avctx);
     if (mm_flags & AV_CPU_FLAG_3DNOW) ff_cavsdsp_init_3dnow(c, avctx);

libavcodec/x86/dnxhd_mmx.c

@@ -52,7 +52,7 @@ static void get_pixels_8x4_sym_sse2(DCTELEM *block, const uint8_t *pixels, int l
 
 void ff_dnxhd_init_mmx(DNXHDEncContext *ctx)
 {
-    if (mm_support() & AV_CPU_FLAG_SSE2) {
+    if (av_get_cpu_flags() & AV_CPU_FLAG_SSE2) {
         ctx->get_pixels_8x4_sym = get_pixels_8x4_sym_sse2;
     }
 }

libavcodec/x86/dsputil_mmx.c

@@ -2523,7 +2523,7 @@ float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order);
 
 void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
 {
-    int mm_flags = mm_support();
+    int mm_flags = av_get_cpu_flags();
 
     if (avctx->dsp_mask) {
         if (avctx->dsp_mask & AV_CPU_FLAG_FORCE)

libavcodec/x86/dsputilenc_mmx.c

@@ -22,6 +22,7 @@
  * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
  */
 
+#include "libavutil/cpu.h"
 #include "libavutil/x86_cpu.h"
 #include "libavcodec/dsputil.h"
 #include "libavcodec/mpegvideo.h"
@@ -1350,7 +1351,7 @@ static int ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2, int si
 
 void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx)
 {
-    int mm_flags = mm_support();
+    int mm_flags = av_get_cpu_flags();
 
     if (mm_flags & AV_CPU_FLAG_MMX) {
         const int dct_algo = avctx->dct_algo;

libavcodec/x86/fft.c

@@ -16,13 +16,14 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/cpu.h"
 #include "libavcodec/dsputil.h"
 #include "fft.h"
 
 av_cold void ff_fft_init_mmx(FFTContext *s)
 {
 #if HAVE_YASM
-    int has_vectors = mm_support();
+    int has_vectors = av_get_cpu_flags();
     if (has_vectors & AV_CPU_FLAG_SSE && HAVE_SSE) {
         /* SSE for P3/P4/K8 */
         s->imdct_calc  = ff_imdct_calc_sse;
@@ -46,7 +47,7 @@ av_cold void ff_fft_init_mmx(FFTContext *s)
 #if CONFIG_DCT
 av_cold void ff_dct_init_mmx(DCTContext *s)
 {
-    int has_vectors = mm_support();
+    int has_vectors = av_get_cpu_flags();
     if (has_vectors & AV_CPU_FLAG_SSE && HAVE_SSE)
         s->dct32 = ff_dct32_float_sse;
 }

libavcodec/x86/h264_intrapred_init.c

@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/cpu.h"
 #include "libavcodec/h264pred.h"
 
 void ff_pred16x16_vertical_mmx     (uint8_t *src, int stride);
@@ -48,7 +49,7 @@ void ff_pred4x4_vertical_vp8_mmxext(uint8_t *src, const uint8_t *topright, int s
 
 void ff_h264_pred_init_x86(H264PredContext *h, int codec_id)
 {
-    int mm_flags = mm_support();
+    int mm_flags = av_get_cpu_flags();
 
 #if HAVE_YASM
     if (mm_flags & AV_CPU_FLAG_MMX) {

libavcodec/x86/h264dsp_mmx.c

@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/cpu.h"
 #include "libavutil/x86_cpu.h"
 #include "libavcodec/h264dsp.h"
 #include "dsputil_mmx.h"
@@ -742,7 +743,7 @@ H264_BIWEIGHT_MMX    ( 4,  2)
 
 void ff_h264dsp_init_x86(H264DSPContext *c)
 {
-    int mm_flags = mm_support();
+    int mm_flags = av_get_cpu_flags();
 
     if (mm_flags & AV_CPU_FLAG_MMX) {
         c->h264_idct_dc_add=