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00023 #include <stdio.h>
00024 #include <stdlib.h>
00025 #include <string.h>
00026 #include <inttypes.h>
00027 #include <assert.h>
00028 #include "config.h"
00029 #ifdef HAVE_MALLOC_H
00030 #include <malloc.h>
00031 #endif
00032 #include <unistd.h>
00033 #include "rgb2rgb.h"
00034 #include "swscale.h"
00035 #include "swscale_internal.h"
00036
00037
00038 extern int ff_bfin_uyvytoyv12 (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
00039 long width, long height,
00040 long lumStride, long chromStride, long srcStride) __attribute__ ((l1_text));
00041
00042 extern int ff_bfin_yuyvtoyv12 (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
00043 long width, long height,
00044 long lumStride, long chromStride, long srcStride) __attribute__ ((l1_text));
00045
00046 static int uyvytoyv12_unscaled (SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
00047 int srcSliceH, uint8_t* dst[], int dstStride[])
00048 {
00049 uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY;
00050 uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2;
00051 uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2;
00052 uint8_t *ip = src[0] + srcStride[0]*srcSliceY;
00053 int w = dstStride[0];
00054
00055 ff_bfin_uyvytoyv12 (ip, dsty, dstu, dstv, w, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
00056
00057 return srcSliceH;
00058 }
00059
00060 static int yuyvtoyv12_unscaled (SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
00061 int srcSliceH, uint8_t* dst[], int dstStride[])
00062 {
00063 uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY;
00064 uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2;
00065 uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2;
00066 uint8_t *ip = src[0] + srcStride[0]*srcSliceY;
00067 int w = dstStride[0];
00068
00069 ff_bfin_yuyvtoyv12 (ip, dsty, dstu, dstv, w, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
00070
00071 return srcSliceH;
00072 }
00073
00074
00075 void ff_bfin_get_unscaled_swscale (SwsContext *c)
00076 {
00077 SwsFunc swScale = c->swScale;
00078 if (c->flags & SWS_CPU_CAPS_BFIN)
00079 if (c->dstFormat == PIX_FMT_YUV420P)
00080 if (c->srcFormat == PIX_FMT_UYVY422) {
00081 av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized uyvytoyv12_unscaled\n");
00082 c->swScale = uyvytoyv12_unscaled;
00083 }
00084 if (c->dstFormat == PIX_FMT_YUV420P)
00085 if (c->srcFormat == PIX_FMT_YUYV422) {
00086 av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized yuyvtoyv12_unscaled\n");
00087 c->swScale = yuyvtoyv12_unscaled;
00088 }
00089 }