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authorMichael Niedermayer <michaelni@gmx.at>2012-02-23 02:33:21 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-02-23 04:31:55 +0100
commite99f1a8cc8b90926209b7390ae3f50d519c0e63f (patch)
treeb50f42ffe92fdb5fb2bc1efeaf9625d208e9c6ca /libswscale/rgb2rgb.c
parent094673ff1b1a0f83584f3aeea76a3e9c9e3129bf (diff)
parent562ebc30775db243941db3c96396e7bf8a0e0a44 (diff)
downloadffmpeg-e99f1a8cc8b90926209b7390ae3f50d519c0e63f.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: dxva2: don't check for DXVA_PictureParameters->wDecodedPictureIndex img2: split muxer and demuxer into separate files rm: prevent infinite loops for index parsing. aac: fix infinite loop on end-of-frame with sequence of 1-bits. mov: Add more HDV and XDCAM FourCCs. lavf: don't set AVCodecContext.has_b_frames in compute_pkt_fields(). rmdec: when using INT4 deinterleaving, error out if sub_packet_h <= 1. cdxl: correctly synchronize video timestamps to audio mlpdec_parser: fix a few channel layouts. Add channel names to channel_names[] array for channels added in b2890f5 movenc: Buffer the mdat for the initial moov fragment, too flvdec: Ignore the index if the ignidx flag is set flvdec: Fix indentation movdec: Don't parse all fragments if ignidx is set movdec: Restart parsing root-level atoms at the right spot prores: use natural integer type for the codebook index mov: Add support for MPEG2 HDV 720p24 (hdv4) swscale: K&R formatting cosmetics (part I) swscale: variable declaration and placement cosmetics Conflicts: configure libavcodec/aacdec.c libavcodec/mlp_parser.c libavformat/flvdec.c libavformat/img2.c libavformat/isom.h libavformat/mov.c libavformat/movenc.c libswscale/rgb2rgb.c libswscale/rgb2rgb_template.c libswscale/yuv2rgb.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale/rgb2rgb.c')
-rw-r--r--libswscale/rgb2rgb.c278
1 files changed, 140 insertions, 138 deletions
diff --git a/libswscale/rgb2rgb.c b/libswscale/rgb2rgb.c
index 3ef0925f04..ba7d6de7b6 100644
--- a/libswscale/rgb2rgb.c
+++ b/libswscale/rgb2rgb.c
@@ -22,48 +22,58 @@
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
#include <inttypes.h>
-#include "config.h"
+
#include "libavutil/bswap.h"
+#include "config.h"
#include "rgb2rgb.h"
#include "swscale.h"
#include "swscale_internal.h"
+void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
+
void (*rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size);
void (*rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
void (*rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size);
void (*rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size);
+
void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
-void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
+void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
+ const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride, int dstStride);
-void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
+void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc,
+ const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride, int dstStride);
-void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
+void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
+ const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride, int dstStride);
-void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
+void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc,
+ const uint8_t *vsrc, uint8_t *dst,
int width, int height,
int lumStride, int chromStride, int dstStride);
-void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst,
+ uint8_t *udst, uint8_t *vdst,
int width, int height,
int lumStride, int chromStride, int srcStride);
-void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst,
+ uint8_t *udst, uint8_t *vdst,
int width, int height,
int lumStride, int chromStride, int srcStride);
void (*planar2x)(const uint8_t *src, uint8_t *dst, int width, int height,
@@ -76,45 +86,44 @@ void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
int width, int height,
int srcStride1, int srcStride2,
int dstStride1, int dstStride2);
-void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
- uint8_t *dst,
+void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2,
+ const uint8_t *src3, uint8_t *dst,
int width, int height,
int srcStride1, int srcStride2,
int srcStride3, int dstStride);
-void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
- int width, int height,
+void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+ const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride);
-void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
- int width, int height,
+void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+ const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride);
-void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
- int width, int height,
+void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+ const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride);
-void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
- int width, int height,
+void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+ const uint8_t *src, int width, int height,
int lumStride, int chromStride, int srcStride);
#define RGB2YUV_SHIFT 8
-#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
-#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
-#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
-#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
-#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
-#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
-#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
-#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
-#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
+#define BY ((int)( 0.098 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define BV ((int)(-0.071 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define BU ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GY ((int)( 0.504 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GV ((int)(-0.368 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GU ((int)(-0.291 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define RY ((int)( 0.257 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define RV ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define RU ((int)(-0.148 * (1 << RGB2YUV_SHIFT) + 0.5))
//plain C versions
#include "rgb2rgb_template.c"
-
/*
- RGB15->RGB16 original by Strepto/Astral
- ported to gcc & bugfixed : A'rpi
- MMX2, 3DNOW optimization by Nick Kurshev
- 32-bit C version, and and&add trick by Michael Niedermayer
-*/
+ * RGB15->RGB16 original by Strepto/Astral
+ * ported to gcc & bugfixed : A'rpi
+ * MMX2, 3DNOW optimization by Nick Kurshev
+ * 32-bit C version, and and&add trick by Michael Niedermayer
+ */
void sws_rgb2rgb_init(void)
{
@@ -125,18 +134,18 @@ void sws_rgb2rgb_init(void)
void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
{
- int i;
- int num_pixels = src_size >> 2;
- for (i=0; i<num_pixels; i++) {
+ int i, num_pixels = src_size >> 2;
+
+ for (i = 0; i < num_pixels; i++) {
#if HAVE_BIGENDIAN
/* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
- dst[3*i + 0] = src[4*i + 1];
- dst[3*i + 1] = src[4*i + 2];
- dst[3*i + 2] = src[4*i + 3];
+ dst[3 * i + 0] = src[4 * i + 1];
+ dst[3 * i + 1] = src[4 * i + 2];
+ dst[3 * i + 2] = src[4 * i + 3];
#else
- dst[3*i + 0] = src[4*i + 2];
- dst[3*i + 1] = src[4*i + 1];
- dst[3*i + 2] = src[4*i + 0];
+ dst[3 * i + 0] = src[4 * i + 2];
+ dst[3 * i + 1] = src[4 * i + 1];
+ dst[3 * i + 2] = src[4 * i + 0];
#endif
}
}
@@ -144,40 +153,40 @@ void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size)
{
int i;
- for (i=0; 3*i<src_size; i++) {
+
+ for (i = 0; 3 * i < src_size; i++) {
#if HAVE_BIGENDIAN
- /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */
- dst[4*i + 0] = 255;
- dst[4*i + 1] = src[3*i + 0];
- dst[4*i + 2] = src[3*i + 1];
- dst[4*i + 3] = src[3*i + 2];
+ /* RGB24 (= R, G, B) -> BGR32 (= A, R, G, B) */
+ dst[4 * i + 0] = 255;
+ dst[4 * i + 1] = src[3 * i + 0];
+ dst[4 * i + 2] = src[3 * i + 1];
+ dst[4 * i + 3] = src[3 * i + 2];
#else
- dst[4*i + 0] = src[3*i + 2];
- dst[4*i + 1] = src[3*i + 1];
- dst[4*i + 2] = src[3*i + 0];
- dst[4*i + 3] = 255;
+ dst[4 * i + 0] = src[3 * i + 2];
+ dst[4 * i + 1] = src[3 * i + 1];
+ dst[4 * i + 2] = src[3 * i + 0];
+ dst[4 * i + 3] = 255;
#endif
}
}
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
{
- const uint16_t *end;
- uint8_t *d = dst;
- const uint16_t *s = (const uint16_t *)src;
- end = s + src_size/2;
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
while (s < end) {
- register uint16_t bgr;
- bgr = *s++;
+ register uint16_t bgr = *s++;
#if HAVE_BIGENDIAN
*d++ = 255;
- *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
- *d++ = ((bgr&0x7E0)>>3) | ((bgr&0x7E0)>>9);
+ *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
+ *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
#else
*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
- *d++ = ((bgr&0x7E0)>>3) | ((bgr&0x7E0)>>9);
- *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
+ *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
+ *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
*d++ = 255;
#endif
}
@@ -185,78 +194,74 @@ void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
{
- const uint16_t *end;
- uint16_t *d = (uint16_t *)dst;
- const uint16_t *s = (const uint16_t *)src;
uint16_t rgb, r, g, b;
- end = s + src_size / 2;
+ uint16_t *d = (uint16_t *)dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
while (s < end) {
- rgb = *s++;
- r = rgb & 0xF00;
- g = rgb & 0x0F0;
- b = rgb & 0x00F;
- r = (r << 3) | ((r & 0x800) >> 1);
- g = (g << 2) | ((g & 0x080) >> 2);
- b = (b << 1) | ( b >> 3);
+ rgb = *s++;
+ r = rgb & 0xF00;
+ g = rgb & 0x0F0;
+ b = rgb & 0x00F;
+ r = (r << 3) | ((r & 0x800) >> 1);
+ g = (g << 2) | ((g & 0x080) >> 2);
+ b = (b << 1) | ( b >> 3);
*d++ = r | g | b;
}
}
void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
{
- const uint16_t *end;
- uint8_t *d = dst;
- const uint16_t *s = (const uint16_t *)src;
- end = s + src_size/2;
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
while (s < end) {
- register uint16_t bgr;
- bgr = *s++;
+ register uint16_t bgr = *s++;
*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
- *d++ = ((bgr&0x7E0)>>3) | ((bgr&0x7E0)>>9);
- *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
+ *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
+ *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
}
}
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
{
- int i;
- int num_pixels = src_size >> 1;
+ int i, num_pixels = src_size >> 1;
- for (i=0; i<num_pixels; i++) {
- unsigned rgb = ((const uint16_t*)src)[i];
- ((uint16_t*)dst)[i] = (rgb>>11) | (rgb&0x7E0) | (rgb<<11);
+ for (i = 0; i < num_pixels; i++) {
+ unsigned rgb = ((const uint16_t *)src)[i];
+ ((uint16_t *)dst)[i] = (rgb >> 11) | (rgb & 0x7E0) | (rgb << 11);
}
}
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
{
- int i;
- int num_pixels = src_size >> 1;
+ int i, num_pixels = src_size >> 1;
- for (i=0; i<num_pixels; i++) {
- unsigned rgb = ((const uint16_t*)src)[i];
- ((uint16_t*)dst)[i] = (rgb>>11) | ((rgb&0x7C0)>>1) | ((rgb&0x1F)<<10);
+ for (i = 0; i < num_pixels; i++) {
+ unsigned rgb = ((const uint16_t *)src)[i];
+ ((uint16_t *)dst)[i] = (rgb >> 11) | ((rgb & 0x7C0) >> 1) | ((rgb & 0x1F) << 10);
}
}
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
{
- const uint16_t *end;
- uint8_t *d = dst;
- const uint16_t *s = (const uint16_t *)src;
- end = s + src_size/2;
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
while (s < end) {
- register uint16_t bgr;
- bgr = *s++;
+ register uint16_t bgr = *s++;
#if HAVE_BIGENDIAN
*d++ = 255;
- *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
- *d++ = ((bgr&0x3E0)>>2) | ((bgr&0x3E0)>>7);
+ *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
+ *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
#else
*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
- *d++ = ((bgr&0x3E0)>>2) | ((bgr&0x3E0)>>7);
- *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
+ *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
+ *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
*d++ = 255;
#endif
}
@@ -264,62 +269,59 @@ void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
{
- const uint16_t *end;
- uint8_t *d = dst;
- const uint16_t *s = (const uint16_t *)src;
- end = s + src_size/2;
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
while (s < end) {
- register uint16_t bgr;
- bgr = *s++;
+ register uint16_t bgr = *s++;
*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
- *d++ = ((bgr&0x3E0)>>2) | ((bgr&0x3E0)>>7);
- *d++ = ((bgr&0x1F)<<3) | ((bgr&0x1F)>>2);
+ *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
+ *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
}
}
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
{
- int i;
- int num_pixels = src_size >> 1;
+ int i, num_pixels = src_size >> 1;
- for (i=0; i<num_pixels; i++) {
- unsigned rgb = ((const uint16_t*)src)[i];
- ((uint16_t*)dst)[i] = ((rgb&0x7C00)>>10) | ((rgb&0x3E0)<<1) | (rgb<<11);
+ for (i = 0; i < num_pixels; i++) {
+ unsigned rgb = ((const uint16_t *)src)[i];
+ ((uint16_t *)dst)[i] = ((rgb & 0x7C00) >> 10) | ((rgb & 0x3E0) << 1) | (rgb << 11);
}
}
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
{
- int i;
- int num_pixels = src_size >> 1;
+ int i, num_pixels = src_size >> 1;
- for (i=0; i<num_pixels; i++) {
- unsigned br;
- unsigned rgb = ((const uint16_t*)src)[i];
- br = rgb&0x7c1F;
- ((uint16_t*)dst)[i] = (br>>10) | (rgb&0x3E0) | (br<<10);
+ for (i = 0; i < num_pixels; i++) {
+ unsigned rgb = ((const uint16_t *)src)[i];
+ unsigned br = rgb & 0x7C1F;
+ ((uint16_t *)dst)[i] = (br >> 10) | (rgb & 0x3E0) | (br << 10);
}
}
void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
{
- uint16_t *d = (uint16_t*)dst;
- uint16_t *s = (uint16_t*)src;
- int i;
- int num_pixels = src_size >> 1;
+ uint16_t *d = (uint16_t *)dst;
+ uint16_t *s = (uint16_t *)src;
+ int i, num_pixels = src_size >> 1;
for (i = 0; i < num_pixels; i++) {
unsigned rgb = s[i];
- d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF;
+ d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF;
}
}
+
#define DEFINE_SHUFFLE_BYTES(a, b, c, d) \
-void shuffle_bytes_##a##b##c##d(const uint8_t *src, uint8_t *dst, int src_size) \
+void shuffle_bytes_ ## a ## b ## c ## d(const uint8_t *src, \
+ uint8_t *dst, int src_size) \
{ \
- int i; \
+ int i; \
\
- for (i = 0; i < src_size; i+=4) { \
+ for (i = 0; i < src_size; i += 4) { \
dst[i + 0] = src[i + a]; \
dst[i + 1] = src[i + b]; \
dst[i + 2] = src[i + c]; \