Improve swscale-example to test conversions between all the possible
pixel formats Originally committed as revision 19965 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
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@ -26,23 +26,6 @@
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#include "avutil.h"
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#include "swscale.h"
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static int testFormat[]={
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PIX_FMT_YUV410P,
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PIX_FMT_YUV420P,
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//IMGFMT_IYUV,
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//IMGFMT_I420,
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PIX_FMT_BGR555,
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PIX_FMT_BGR565,
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PIX_FMT_BGR24,
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PIX_FMT_RGB32,
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PIX_FMT_RGB24,
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PIX_FMT_BGR32,
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//IMGFMT_Y8,
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PIX_FMT_GRAY8,
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//IMGFMT_YUY2,
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PIX_FMT_NONE
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};
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static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){
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int x,y;
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uint64_t ssd=0;
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@ -62,7 +45,7 @@ static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, i
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// test by ref -> src -> dst -> out & compare out against ref
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// ref & out are YV12
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static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat,
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static int doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat,
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int srcW, int srcH, int dstW, int dstH, int flags){
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uint8_t *src[3];
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uint8_t *dst[3];
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@ -71,7 +54,9 @@ static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcForma
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int i;
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uint64_t ssdY, ssdU, ssdV;
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struct SwsContext *srcContext, *dstContext, *outContext;
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int res;
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res = 0;
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for(i=0; i<3; i++){
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// avoid stride % bpp != 0
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if(srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
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@ -89,16 +74,38 @@ static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcForma
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out[i]= (uint8_t*) malloc(refStride[i]*h);
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if ((src[i] == NULL) || (dst[i] == NULL) || (out[i] == NULL)) {
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perror("Malloc");
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res = -1;
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goto end;
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}
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}
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dstContext = outContext = NULL;
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srcContext= sws_getContext(w, h, PIX_FMT_YUV420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
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if (srcContext == NULL) {
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fprintf(stderr, "Failed to get %s ---> %s\n",
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sws_format_name(PIX_FMT_YUV420P),
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sws_format_name(srcFormat));
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res = -1;
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goto end;
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}
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dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
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if (dstContext == NULL) {
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fprintf(stderr, "Failed to get %s ---> %s\n",
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sws_format_name(srcFormat),
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sws_format_name(dstFormat));
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res = -1;
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goto end;
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}
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outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUV420P, flags, NULL, NULL, NULL);
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if(srcContext==NULL ||dstContext==NULL ||outContext==NULL){
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printf("Failed allocating swsContext\n");
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if (outContext == NULL) {
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fprintf(stderr, "Failed to get %s ---> %s\n",
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sws_format_name(dstFormat),
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sws_format_name(PIX_FMT_YUV420P));
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res = -1;
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goto end;
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}
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// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
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@ -141,13 +148,8 @@ static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcForma
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free(dst[i]);
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free(out[i]);
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}
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}
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void mp_msg( int x, int y, const char *format, ... ){
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va_list va;
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va_start(va, format);
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vfprintf(stderr, format, va);
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va_end(va);
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return res;
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}
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void fast_memcpy(void *a, void *b, int s){ //FIXME
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@ -155,28 +157,31 @@ void fast_memcpy(void *a, void *b, int s){ //FIXME
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}
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static void selfTest(uint8_t *src[3], int stride[3], int w, int h){
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int srcFormat, dstFormat, srcFormatIndex, dstFormatIndex;
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enum PixelFormat srcFormat, dstFormat;
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int srcW, srcH, dstW, dstH;
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int flags;
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for(srcFormatIndex=0; ;srcFormatIndex++){
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srcFormat= testFormat[srcFormatIndex];
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if(srcFormat == PIX_FMT_NONE) break;
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for(dstFormatIndex=0; ;dstFormatIndex++){
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dstFormat= testFormat[dstFormatIndex];
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if(dstFormat == PIX_FMT_NONE) break;
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// if(!isSupportedOut(dstFormat)) continue;
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printf("%s -> %s\n",
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sws_format_name(srcFormat),
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sws_format_name(dstFormat));
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for(srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) {
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for(dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) {
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printf("%s -> %s\n",
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sws_format_name(srcFormat),
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sws_format_name(dstFormat));
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srcW= w;
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srcH= h;
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for(dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){
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for(dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){
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for(flags=1; flags<33; flags*=2)
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doTest(src, stride, w, h, srcFormat, dstFormat,
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for(flags=1; flags<33; flags*=2) {
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int res;
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res = doTest(src, stride, w, h, srcFormat, dstFormat,
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srcW, srcH, dstW, dstH, flags);
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if (res < 0) {
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dstW = 4 * w / 3;
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dstH = 4 * h / 3;
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flags = 33;
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}
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}
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}
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}
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}
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