diff options
Diffstat (limited to 'libswscale/swscale-example.c')
| -rw-r--r-- | libswscale/swscale-example.c | 306 |
1 files changed, 153 insertions, 153 deletions
diff --git a/libswscale/swscale-example.c b/libswscale/swscale-example.c index 803ffa0459..e62faf6d3c 100644 --- a/libswscale/swscale-example.c +++ b/libswscale/swscale-example.c @@ -31,129 +31,129 @@ #include "rgb2rgb.h" static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){ - int x,y; - uint64_t ssd=0; + int x,y; + uint64_t ssd=0; //printf("%d %d\n", w, h); - for(y=0; y<h; y++){ - for(x=0; x<w; x++){ - int d= src1[x + y*stride1] - src2[x + y*stride2]; - ssd+= d*d; + for (y=0; y<h; y++){ + for (x=0; x<w; x++){ + int d= src1[x + y*stride1] - src2[x + y*stride2]; + ssd+= d*d; //printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 ); - } + } //printf("\n"); - } - return ssd; + } + return ssd; } // test by ref -> src -> dst -> out & compare out against ref // ref & out are YV12 static int doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat, - int srcW, int srcH, int dstW, int dstH, int flags){ - uint8_t *src[3]; - uint8_t *dst[3]; - uint8_t *out[3]; - int srcStride[3], dstStride[3]; - int i; - uint64_t ssdY, ssdU, ssdV; - struct SwsContext *srcContext, *dstContext, *outContext; - int res; - - res = 0; - for(i=0; i<3; i++){ - // avoid stride % bpp != 0 - if(srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24) - srcStride[i]= srcW*3; - else - srcStride[i]= srcW*4; - - if(dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24) - dstStride[i]= dstW*3; - else - dstStride[i]= dstW*4; - - src[i]= (uint8_t*) malloc(srcStride[i]*srcH); - dst[i]= (uint8_t*) malloc(dstStride[i]*dstH); - out[i]= (uint8_t*) malloc(refStride[i]*h); - if ((src[i] == NULL) || (dst[i] == NULL) || (out[i] == NULL)) { - perror("Malloc"); - res = -1; - - goto end; - } - } - - dstContext = outContext = NULL; - srcContext= sws_getContext(w, h, PIX_FMT_YUV420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL); - if (srcContext == NULL) { - fprintf(stderr, "Failed to get %s ---> %s\n", - sws_format_name(PIX_FMT_YUV420P), - sws_format_name(srcFormat)); - res = -1; - - goto end; - } - dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL); - if (dstContext == NULL) { - fprintf(stderr, "Failed to get %s ---> %s\n", - sws_format_name(srcFormat), - sws_format_name(dstFormat)); - res = -1; - - goto end; - } - outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUV420P, flags, NULL, NULL, NULL); - if (outContext == NULL) { - fprintf(stderr, "Failed to get %s ---> %s\n", - sws_format_name(dstFormat), - sws_format_name(PIX_FMT_YUV420P)); - res = -1; - - goto end; - } -// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2], -// (int)src[0], (int)src[1], (int)src[2]); - - sws_scale(srcContext, ref, refStride, 0, h , src, srcStride); - sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride); - sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride); + int srcW, int srcH, int dstW, int dstH, int flags){ + uint8_t *src[3]; + uint8_t *dst[3]; + uint8_t *out[3]; + int srcStride[3], dstStride[3]; + int i; + uint64_t ssdY, ssdU, ssdV; + struct SwsContext *srcContext, *dstContext, *outContext; + int res; + + res = 0; + for (i=0; i<3; i++){ + // avoid stride % bpp != 0 + if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24) + srcStride[i]= srcW*3; + else + srcStride[i]= srcW*4; + + if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24) + dstStride[i]= dstW*3; + else + dstStride[i]= dstW*4; + + src[i]= (uint8_t*) malloc(srcStride[i]*srcH); + dst[i]= (uint8_t*) malloc(dstStride[i]*dstH); + out[i]= (uint8_t*) malloc(refStride[i]*h); + if ((src[i] == NULL) || (dst[i] == NULL) || (out[i] == NULL)) { + perror("Malloc"); + res = -1; + + goto end; + } + } + + dstContext = outContext = NULL; + srcContext= sws_getContext(w, h, PIX_FMT_YUV420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL); + if (srcContext == NULL) { + fprintf(stderr, "Failed to get %s ---> %s\n", + sws_format_name(PIX_FMT_YUV420P), + sws_format_name(srcFormat)); + res = -1; + + goto end; + } + dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL); + if (dstContext == NULL) { + fprintf(stderr, "Failed to get %s ---> %s\n", + sws_format_name(srcFormat), + sws_format_name(dstFormat)); + res = -1; + + goto end; + } + outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUV420P, flags, NULL, NULL, NULL); + if (outContext == NULL) { + fprintf(stderr, "Failed to get %s ---> %s\n", + sws_format_name(dstFormat), + sws_format_name(PIX_FMT_YUV420P)); + res = -1; + + goto end; + } +// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2], +// (int)src[0], (int)src[1], (int)src[2]); + + sws_scale(srcContext, ref, refStride, 0, h , src, srcStride); + sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride); + sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride); #if defined(ARCH_X86) - asm volatile ("emms\n\t"); + asm volatile ("emms\n\t"); #endif - ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h); - ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1); - ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1); + ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h); + ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1); + ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1); - if(srcFormat == PIX_FMT_GRAY8 || dstFormat==PIX_FMT_GRAY8) ssdU=ssdV=0; //FIXME check that output is really gray + if (srcFormat == PIX_FMT_GRAY8 || dstFormat==PIX_FMT_GRAY8) ssdU=ssdV=0; //FIXME check that output is really gray - ssdY/= w*h; - ssdU/= w*h/4; - ssdV/= w*h/4; + ssdY/= w*h; + ssdU/= w*h/4; + ssdV/= w*h/4; - if(ssdY>100 || ssdU>100 || ssdV>100){ - printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n", - sws_format_name(srcFormat), srcW, srcH, - sws_format_name(dstFormat), dstW, dstH, - flags, - ssdY, ssdU, ssdV); - } + if (ssdY>100 || ssdU>100 || ssdV>100){ + printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n", + sws_format_name(srcFormat), srcW, srcH, + sws_format_name(dstFormat), dstW, dstH, + flags, + ssdY, ssdU, ssdV); + } - end: + end: - sws_freeContext(srcContext); - sws_freeContext(dstContext); - sws_freeContext(outContext); + sws_freeContext(srcContext); + sws_freeContext(dstContext); + sws_freeContext(outContext); - for(i=0; i<3; i++){ - free(src[i]); - free(dst[i]); - free(out[i]); - } + for (i=0; i<3; i++){ + free(src[i]); + free(dst[i]); + free(out[i]); + } - return res; + return res; } void fast_memcpy(void *a, void *b, int s){ //FIXME @@ -161,69 +161,69 @@ void fast_memcpy(void *a, void *b, int s){ //FIXME } static void selfTest(uint8_t *src[3], int stride[3], int w, int h){ - enum PixelFormat srcFormat, dstFormat; - int srcW, srcH, dstW, dstH; - int flags; - - for(srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) { - for(dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) { - printf("%s -> %s\n", - sws_format_name(srcFormat), - sws_format_name(dstFormat)); - - srcW= w; - srcH= h; - for(dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){ - for(dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){ - for(flags=1; flags<33; flags*=2) { - int res; - - res = doTest(src, stride, w, h, srcFormat, dstFormat, - srcW, srcH, dstW, dstH, flags); - if (res < 0) { - dstW = 4 * w / 3; - dstH = 4 * h / 3; - flags = 33; - } - } - } - } - } - } + enum PixelFormat srcFormat, dstFormat; + int srcW, srcH, dstW, dstH; + int flags; + + for (srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) { + for (dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) { + printf("%s -> %s\n", + sws_format_name(srcFormat), + sws_format_name(dstFormat)); + + srcW= w; + srcH= h; + for (dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){ + for (dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){ + for (flags=1; flags<33; flags*=2) { + int res; + + res = doTest(src, stride, w, h, srcFormat, dstFormat, + srcW, srcH, dstW, dstH, flags); + if (res < 0) { + dstW = 4 * w / 3; + dstH = 4 * h / 3; + flags = 33; + } + } + } + } + } + } } #define W 96 #define H 96 int main(int argc, char **argv){ - uint8_t *rgb_data = malloc (W*H*4); - uint8_t *rgb_src[3]= {rgb_data, NULL, NULL}; - int rgb_stride[3]={4*W, 0, 0}; - uint8_t *data = malloc (3*W*H); - uint8_t *src[3]= {data, data+W*H, data+W*H*2}; - int stride[3]={W, W, W}; - int x, y; - struct SwsContext *sws; - - sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUV420P, 2, NULL, NULL, NULL); - - for(y=0; y<H; y++){ - for(x=0; x<W*4; x++){ - rgb_data[ x + y*4*W]= random(); - } - } + uint8_t *rgb_data = malloc (W*H*4); + uint8_t *rgb_src[3]= {rgb_data, NULL, NULL}; + int rgb_stride[3]={4*W, 0, 0}; + uint8_t *data = malloc (3*W*H); + uint8_t *src[3]= {data, data+W*H, data+W*H*2}; + int stride[3]={W, W, W}; + int x, y; + struct SwsContext *sws; + + sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUV420P, 2, NULL, NULL, NULL); + + for (y=0; y<H; y++){ + for (x=0; x<W*4; x++){ + rgb_data[ x + y*4*W]= random(); + } + } #if defined(ARCH_X86) - sws_rgb2rgb_init(SWS_CPU_CAPS_MMX*0); + sws_rgb2rgb_init(SWS_CPU_CAPS_MMX*0); #else - sws_rgb2rgb_init(0); + sws_rgb2rgb_init(0); #endif - sws_scale(sws, rgb_src, rgb_stride, 0, H , src, stride); + sws_scale(sws, rgb_src, rgb_stride, 0, H , src, stride); #if defined(ARCH_X86) - asm volatile ("emms\n\t"); + asm volatile ("emms\n\t"); #endif - selfTest(src, stride, W, H); + selfTest(src, stride, W, H); - return 123; + return 123; } |