// test by ref -> src -> dst -> out & compare out against ref
// ref & out are YV12
static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
enum PixelFormat srcFormat, enum PixelFormat dstFormat,
int srcW, int srcH, int dstW, int dstH, int flags)
{
uint8_t *src[4] = {0};
uint8_t *dst[4] = {0};
uint8_t *out[4] = {0};
int srcStride[4], dstStride[4];
int i;
uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0;
struct SwsContext *srcContext = NULL, *dstContext = NULL,
*outContext = NULL;
int res;
res = 0;
for (i=0; i<4; i++) {
// avoid stride % bpp != 0
if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
srcStride[i]= srcW*3;
else if (srcFormat==PIX_FMT_RGB48BE || srcFormat==PIX_FMT_RGB48LE)
srcStride[i]= srcW*6;
else
srcStride[i]= srcW*4;
if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24)
dstStride[i]= dstW*3;
else if (dstFormat==PIX_FMT_RGB48BE || dstFormat==PIX_FMT_RGB48LE)
dstStride[i]= dstW*6;
else
dstStride[i]= dstW*4;
/* Image buffers passed into libswscale can be allocated any way you
* prefer, as long as they're aligned enough for the architecture, and
* they're freed appropriately (such as using av_free for buffers
* allocated with av_malloc). */
/* An extra 16 bytes is being allocated because some scalers may write
* out of bounds. */
src[i]= av_mallocz(srcStride[i]*srcH+16);
dst[i]= av_mallocz(dstStride[i]*dstH+16);
out[i]= av_mallocz(refStride[i]*h);
if (!src[i] || !dst[i] || !out[i]) {
perror("Malloc");
res = -1;
goto end;
}
}
srcContext= sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
if (!srcContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name,
av_pix_fmt_descriptors[srcFormat].name);
res = -1;
goto end;
}
dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
if (!dstContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[srcFormat].name,
av_pix_fmt_descriptors[dstFormat].name);
res = -1;
goto end;
}
outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, flags, NULL, NULL, NULL);
if (!outContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[dstFormat].name,
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name);
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]);
printf(" %s %dx%d -> %s %3dx%3d flags=%2d",
av_pix_fmt_descriptors[srcFormat].name, srcW, srcH,
av_pix_fmt_descriptors[dstFormat].name, dstW, dstH,
flags);
fflush(stdout);
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);
ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
if (hasChroma(srcFormat) && hasChroma(dstFormat)) {
//FIXME check that output is really gray
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);
}
// test by ref -> src -> dst -> out & compare out against ref
// ref & out are YV12
static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
uint8_t *src[4], int srcStride[4],
enum PixelFormat srcFormat, enum PixelFormat dstFormat,
int srcW, int srcH, int dstW, int dstH, int flags)
{
uint8_t *dst[4] = {0};
uint8_t *out[4] = {0};
int dstStride[4];
int i;
uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0;
struct SwsContext *dstContext = NULL, *outContext = NULL;
uint32_t crc = 0;
int res = 0;
av_fill_image_linesizes(dstStride, dstFormat, dstW);
for (i=0; i<4; i++) {
/* Image buffers passed into libswscale can be allocated any way you
* prefer, as long as they're aligned enough for the architecture, and
* they're freed appropriately (such as using av_free for buffers
* allocated with av_malloc). */
/* An extra 16 bytes is being allocated because some scalers may write
* out of bounds. */
if (dstStride[i])
dst[i]= av_mallocz(dstStride[i]*dstH+16);
if (refStride[i])
out[i]= av_mallocz(refStride[i]*h);
if ((dstStride[i] && !dst[i]) || (refStride[i] && !out[i])) {
perror("Malloc");
res = -1;
goto end;
}
}
dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
if (!dstContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[srcFormat].name,
av_pix_fmt_descriptors[dstFormat].name);
res = -1;
goto end;
}
outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, flags, NULL, NULL, NULL);
if (!outContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[dstFormat].name,
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name);
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]);
printf(" %s %dx%d -> %s %3dx%3d flags=%2d",
av_pix_fmt_descriptors[srcFormat].name, srcW, srcH,
av_pix_fmt_descriptors[dstFormat].name, dstW, dstH,
flags);
fflush(stdout);
sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
for (i = 0; i < 4 && dstStride[i]; i++) {
crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), crc, dst[i], dstStride[i] * dstH);
}
ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
if (hasChroma(srcFormat) && hasChroma(dstFormat)) {
//FIXME check that output is really gray
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);
}
// test by ref -> src -> dst -> out & compare out against ref
// ref & out are YV12
static int doTest(uint8_t *ref[4], int refStride[4], int w, int h, int srcFormat, int dstFormat,
int srcW, int srcH, int dstW, int dstH, int flags)
{
uint8_t *src[4] = {0};
uint8_t *dst[4] = {0};
uint8_t *out[4] = {0};
int srcStride[4], dstStride[4];
int i;
uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0;
struct SwsContext *srcContext = NULL, *dstContext = NULL,
*outContext = NULL;
int res;
res = 0;
for (i=0; i<4; i++) {
// avoid stride % bpp != 0
if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
srcStride[i]= srcW*3;
else if (srcFormat==PIX_FMT_RGB48BE || srcFormat==PIX_FMT_RGB48LE)
srcStride[i]= srcW*6;
else
srcStride[i]= srcW*4;
if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24)
dstStride[i]= dstW*3;
else if (dstFormat==PIX_FMT_RGB48BE || dstFormat==PIX_FMT_RGB48LE)
dstStride[i]= dstW*6;
else
dstStride[i]= dstW*4;
src[i]= malloc(srcStride[i]*srcH);
dst[i]= malloc(dstStride[i]*dstH);
out[i]= malloc(refStride[i]*h);
if (!src[i] || !dst[i] || !out[i]) {
perror("Malloc");
res = -1;
goto end;
}
}
srcContext= sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
if (!srcContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
sws_format_name(PIX_FMT_YUVA420P),
sws_format_name(srcFormat));
res = -1;
goto end;
}
dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
if (!dstContext) {
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_YUVA420P, flags, NULL, NULL, NULL);
if (!outContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
sws_format_name(dstFormat),
sws_format_name(PIX_FMT_YUVA420P));
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);
ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
if (hasChroma(srcFormat) && hasChroma(dstFormat)) {
//FIXME check that output is really gray
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);
}
