ppc: cosmetics: Consistently format CPU flag detection invocations

libavcodec/ppc/h264chroma_init.c

@@ -53,11 +53,12 @@ av_cold void ff_h264chroma_init_ppc(H264ChromaContext *c, int bit_depth)
 #if HAVE_ALTIVEC
     const int high_bit_depth = bit_depth > 8;
 
-    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
+        return;
+
     if (!high_bit_depth) {
         c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
         c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
     }
-    }
 #endif /* HAVE_ALTIVEC */
 }

libavcodec/ppc/h264dsp.c

@@ -745,7 +745,9 @@ av_cold void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth,
                                  const int chroma_format_idc)
 {
 #if HAVE_ALTIVEC
-    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
+        return;
+
     if (bit_depth == 8) {
         c->h264_idct_add = h264_idct_add_altivec;
         if (chroma_format_idc == 1)
@@ -764,6 +766,5 @@ av_cold void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth,
         c->biweight_h264_pixels_tab[0] = biweight_h264_pixels16_altivec;
         c->biweight_h264_pixels_tab[1] = biweight_h264_pixels8_altivec;
     }
-    }
 #endif /* HAVE_ALTIVEC */
 }

libavcodec/ppc/h264qpel.c

@@ -288,7 +288,9 @@ av_cold void ff_h264qpel_init_ppc(H264QpelContext *c, int bit_depth)
 #if HAVE_ALTIVEC
     const int high_bit_depth = bit_depth > 8;
 
-    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
+        return;
+
     if (!high_bit_depth) {
 #define dspfunc(PFX, IDX, NUM) \
         c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \
@@ -312,6 +314,5 @@ av_cold void ff_h264qpel_init_ppc(H264QpelContext *c, int bit_depth)
         dspfunc(avg_h264_qpel, 0, 16);
 #undef dspfunc
     }
-    }
 #endif /* HAVE_ALTIVEC */
 }

libavcodec/ppc/hpeldsp_altivec.c

@@ -449,18 +449,19 @@ static void avg_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, ptrdi
 av_cold void ff_hpeldsp_init_ppc(HpelDSPContext *c, int flags)
 {
 #if HAVE_ALTIVEC
-    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
-        c->avg_pixels_tab[0][0]        = ff_avg_pixels16_altivec;
-        c->avg_pixels_tab[1][0]        = avg_pixels8_altivec;
-        c->avg_pixels_tab[1][3]        = avg_pixels8_xy2_altivec;
-
-        c->put_pixels_tab[0][0]        = ff_put_pixels16_altivec;
-        c->put_pixels_tab[1][3]        = put_pixels8_xy2_altivec;
-        c->put_pixels_tab[0][3]        = put_pixels16_xy2_altivec;
-
-        c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_altivec;
-        c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_altivec;
-        c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_altivec;
-    }
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
+        return;
+
+    c->avg_pixels_tab[0][0]        = ff_avg_pixels16_altivec;
+    c->avg_pixels_tab[1][0]        = avg_pixels8_altivec;
+    c->avg_pixels_tab[1][3]        = avg_pixels8_xy2_altivec;
+
+    c->put_pixels_tab[0][0]        = ff_put_pixels16_altivec;
+    c->put_pixels_tab[1][3]        = put_pixels8_xy2_altivec;
+    c->put_pixels_tab[0][3]        = put_pixels16_xy2_altivec;
+
+    c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_altivec;
+    c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_altivec;
+    c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_altivec;
 #endif /* HAVE_ALTIVEC */
 }

libavcodec/ppc/mpegvideo_altivec.c

@@ -118,10 +118,11 @@ static void dct_unquantize_h263_altivec(MpegEncContext *s,
 av_cold void ff_MPV_common_init_ppc(MpegEncContext *s)
 {
 #if HAVE_ALTIVEC
-    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC)) return;
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
+        return;
 
     if ((s->avctx->dct_algo == FF_DCT_AUTO) ||
-            (s->avctx->dct_algo == FF_DCT_ALTIVEC)) {
+        (s->avctx->dct_algo == FF_DCT_ALTIVEC)) {
         s->dct_unquantize_h263_intra = dct_unquantize_h263_altivec;
         s->dct_unquantize_h263_inter = dct_unquantize_h263_altivec;
     }

libavcodec/ppc/vorbisdsp_altivec.c

@@ -54,8 +54,9 @@ static void vorbis_inverse_coupling_altivec(float *mag, float *ang,
 av_cold void ff_vorbisdsp_init_ppc(VorbisDSPContext *c)
 {
 #if HAVE_ALTIVEC
-    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
-      c->vorbis_inverse_coupling = vorbis_inverse_coupling_altivec;
-    }
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
+        return;
+
+    c->vorbis_inverse_coupling = vorbis_inverse_coupling_altivec;
 #endif /* HAVE_ALTIVEC */
 }

libavcodec/ppc/vp3dsp_altivec.c

@@ -180,9 +180,10 @@ static void vp3_idct_add_altivec(uint8_t *dst, int stride, int16_t block[64])
 av_cold void ff_vp3dsp_init_ppc(VP3DSPContext *c, int flags)
 {
 #if HAVE_ALTIVEC
-    if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
-        c->idct_put  = vp3_idct_put_altivec;
-        c->idct_add  = vp3_idct_add_altivec;
-    }
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
+        return;
+
+    c->idct_put = vp3_idct_put_altivec;
+    c->idct_add = vp3_idct_add_altivec;
 #endif
 }

libswscale/ppc/yuv2yuv_altivec.c

@@ -187,8 +187,11 @@ static int yv12touyvy_unscaled_altivec(SwsContext *c, const uint8_t *src[],
 av_cold void ff_get_unscaled_swscale_ppc(SwsContext *c)
 {
 #if HAVE_ALTIVEC
-    if ((av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) && !(c->srcW & 15) &&
-        !(c->flags & SWS_BITEXACT) && c->srcFormat == AV_PIX_FMT_YUV420P) {
+    if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
+        return NULL;
+
+    if (!(c->srcW & 15) && !(c->flags & SWS_BITEXACT) &&
+        c->srcFormat == AV_PIX_FMT_YUV420P) {
         enum AVPixelFormat dstFormat = c->dstFormat;
 
         // unscaled YV12 -> packed YUV, we want speed