#include "./tools_common.h"
-#if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER || CONFIG_VP10_ENCODER
+#if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
#include "vpx/vp8cx.h"
#endif
-#if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER || CONFIG_VP10_DECODER
+#if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
#include "vpx/vp8dx.h"
#endif
#include <fcntl.h>
#ifdef __OS2__
-#define _setmode setmode
-#define _fileno fileno
-#define _O_BINARY O_BINARY
+#define _setmode setmode
+#define _fileno fileno
+#define _O_BINARY O_BINARY
#endif
#endif
-#define LOG_ERROR(label) do {\
- const char *l = label;\
- va_list ap;\
- va_start(ap, fmt);\
- if (l)\
- fprintf(stderr, "%s: ", l);\
- vfprintf(stderr, fmt, ap);\
- fprintf(stderr, "\n");\
- va_end(ap);\
-} while (0)
+#define LOG_ERROR(label) \
+ do { \
+ const char *l = label; \
+ va_list ap; \
+ va_start(ap, fmt); \
+ if (l) fprintf(stderr, "%s: ", l); \
+ vfprintf(stderr, fmt, ap); \
+ fprintf(stderr, "\n"); \
+ va_end(ap); \
+ } while (0)
+#if CONFIG_ENCODERS
+/* Swallow warnings about unused results of fread/fwrite */
+static size_t wrap_fread(void *ptr, size_t size, size_t nmemb, FILE *stream) {
+ return fread(ptr, size, nmemb, stream);
+}
+#define fread wrap_fread
+#endif
FILE *set_binary_mode(FILE *stream) {
(void)stream;
exit(EXIT_FAILURE);
}
-void warn(const char *fmt, ...) {
- LOG_ERROR("Warning");
-}
+void warn(const char *fmt, ...) { LOG_ERROR("Warning"); }
void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
const char *detail = vpx_codec_error_detail(ctx);
printf("%s: %s\n", s, vpx_codec_error(ctx));
- if (detail)
- printf(" %s\n", detail);
+ if (detail) printf(" %s\n", detail);
exit(EXIT_FAILURE);
}
for (plane = 0; plane < 3; ++plane) {
uint8_t *ptr;
- const int w = vpx_img_plane_width(yuv_frame, plane);
+ int w = vpx_img_plane_width(yuv_frame, plane);
const int h = vpx_img_plane_height(yuv_frame, plane);
int r;
-
+ // Assuming that for nv12 we read all chroma data at one time
+ if (yuv_frame->fmt == VPX_IMG_FMT_NV12 && plane > 1) break;
+ // Fixing NV12 chroma width it is odd
+ if (yuv_frame->fmt == VPX_IMG_FMT_NV12 && plane == 1) w = (w + 1) & ~1;
/* Determine the correct plane based on the image format. The for-loop
* always counts in Y,U,V order, but this may not match the order of
* the data on disk.
*/
switch (plane) {
case 1:
- ptr = yuv_frame->planes[
- yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_V : VPX_PLANE_U];
+ ptr =
+ yuv_frame->planes[yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_V
+ : VPX_PLANE_U];
break;
case 2:
- ptr = yuv_frame->planes[
- yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_U : VPX_PLANE_V];
+ ptr =
+ yuv_frame->planes[yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_U
+ : VPX_PLANE_V];
break;
- default:
- ptr = yuv_frame->planes[plane];
+ default: ptr = yuv_frame->planes[plane];
}
for (r = 0; r < h; ++r) {
#if CONFIG_ENCODERS
static const VpxInterface vpx_encoders[] = {
-#if CONFIG_VP10_ENCODER
- {"vp10", VP10_FOURCC, &vpx_codec_vp10_cx},
-#endif
-
#if CONFIG_VP8_ENCODER
- {"vp8", VP8_FOURCC, &vpx_codec_vp8_cx},
+ { "vp8", VP8_FOURCC, &vpx_codec_vp8_cx },
#endif
#if CONFIG_VP9_ENCODER
- {"vp9", VP9_FOURCC, &vpx_codec_vp9_cx},
+ { "vp9", VP9_FOURCC, &vpx_codec_vp9_cx },
#endif
};
return sizeof(vpx_encoders) / sizeof(vpx_encoders[0]);
}
-const VpxInterface *get_vpx_encoder_by_index(int i) {
- return &vpx_encoders[i];
-}
+const VpxInterface *get_vpx_encoder_by_index(int i) { return &vpx_encoders[i]; }
const VpxInterface *get_vpx_encoder_by_name(const char *name) {
int i;
for (i = 0; i < get_vpx_encoder_count(); ++i) {
const VpxInterface *encoder = get_vpx_encoder_by_index(i);
- if (strcmp(encoder->name, name) == 0)
- return encoder;
+ if (strcmp(encoder->name, name) == 0) return encoder;
}
return NULL;
static const VpxInterface vpx_decoders[] = {
#if CONFIG_VP8_DECODER
- {"vp8", VP8_FOURCC, &vpx_codec_vp8_dx},
+ { "vp8", VP8_FOURCC, &vpx_codec_vp8_dx },
#endif
#if CONFIG_VP9_DECODER
- {"vp9", VP9_FOURCC, &vpx_codec_vp9_dx},
-#endif
-
-#if CONFIG_VP10_DECODER
- {"vp10", VP10_FOURCC, &vpx_codec_vp10_dx},
+ { "vp9", VP9_FOURCC, &vpx_codec_vp9_dx },
#endif
};
return sizeof(vpx_decoders) / sizeof(vpx_decoders[0]);
}
-const VpxInterface *get_vpx_decoder_by_index(int i) {
- return &vpx_decoders[i];
-}
+const VpxInterface *get_vpx_decoder_by_index(int i) { return &vpx_decoders[i]; }
const VpxInterface *get_vpx_decoder_by_name(const char *name) {
int i;
for (i = 0; i < get_vpx_decoder_count(); ++i) {
- const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
- if (strcmp(decoder->name, name) == 0)
- return decoder;
+ const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
+ if (strcmp(decoder->name, name) == 0) return decoder;
}
return NULL;
for (i = 0; i < get_vpx_decoder_count(); ++i) {
const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
- if (decoder->fourcc == fourcc)
- return decoder;
+ if (decoder->fourcc == fourcc) return decoder;
}
return NULL;
#endif // CONFIG_DECODERS
-// TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
-// of vpx_image_t support
int vpx_img_plane_width(const vpx_image_t *img, int plane) {
if (plane > 0 && img->x_chroma_shift > 0)
return (img->d_w + 1) >> img->x_chroma_shift;
}
int vpx_img_plane_height(const vpx_image_t *img, int plane) {
- if (plane > 0 && img->y_chroma_shift > 0)
+ if (plane > 0 && img->y_chroma_shift > 0)
return (img->d_h + 1) >> img->y_chroma_shift;
else
return img->d_h;
const unsigned char *buf = img->planes[plane];
const int stride = img->stride[plane];
const int w = vpx_img_plane_width(img, plane) *
- ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
+ ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
const int h = vpx_img_plane_height(img, plane);
int y;
unsigned char *buf = img->planes[plane];
const int stride = img->stride[plane];
const int w = vpx_img_plane_width(img, plane) *
- ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
+ ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
const int h = vpx_img_plane_height(img, plane);
int y;
for (y = 0; y < h; ++y) {
- if (fread(buf, 1, w, file) != (size_t)w)
- return 0;
+ if (fread(buf, 1, w, file) != (size_t)w) return 0;
buf += stride;
}
}
}
}
+#if CONFIG_ENCODERS
+int read_frame(struct VpxInputContext *input_ctx, vpx_image_t *img) {
+ FILE *f = input_ctx->file;
+ y4m_input *y4m = &input_ctx->y4m;
+ int shortread = 0;
+
+ if (input_ctx->file_type == FILE_TYPE_Y4M) {
+ if (y4m_input_fetch_frame(y4m, f, img) < 1) return 0;
+ } else {
+ shortread = read_yuv_frame(input_ctx, img);
+ }
+
+ return !shortread;
+}
+
+int file_is_y4m(const char detect[4]) {
+ if (memcmp(detect, "YUV4", 4) == 0) {
+ return 1;
+ }
+ return 0;
+}
+
+int fourcc_is_ivf(const char detect[4]) {
+ if (memcmp(detect, "DKIF", 4) == 0) {
+ return 1;
+ }
+ return 0;
+}
+
+void open_input_file(struct VpxInputContext *input) {
+ /* Parse certain options from the input file, if possible */
+ input->file = strcmp(input->filename, "-") ? fopen(input->filename, "rb")
+ : set_binary_mode(stdin);
+
+ if (!input->file) fatal("Failed to open input file");
+
+ if (!fseeko(input->file, 0, SEEK_END)) {
+ /* Input file is seekable. Figure out how long it is, so we can get
+ * progress info.
+ */
+ input->length = ftello(input->file);
+ rewind(input->file);
+ }
+
+ /* Default to 1:1 pixel aspect ratio. */
+ input->pixel_aspect_ratio.numerator = 1;
+ input->pixel_aspect_ratio.denominator = 1;
+
+ /* For RAW input sources, these bytes will applied on the first frame
+ * in read_frame().
+ */
+ input->detect.buf_read = fread(input->detect.buf, 1, 4, input->file);
+ input->detect.position = 0;
+
+ if (input->detect.buf_read == 4 && file_is_y4m(input->detect.buf)) {
+ if (y4m_input_open(&input->y4m, input->file, input->detect.buf, 4,
+ input->only_i420) >= 0) {
+ input->file_type = FILE_TYPE_Y4M;
+ input->width = input->y4m.pic_w;
+ input->height = input->y4m.pic_h;
+ input->pixel_aspect_ratio.numerator = input->y4m.par_n;
+ input->pixel_aspect_ratio.denominator = input->y4m.par_d;
+ input->framerate.numerator = input->y4m.fps_n;
+ input->framerate.denominator = input->y4m.fps_d;
+ input->fmt = input->y4m.vpx_fmt;
+ input->bit_depth = input->y4m.bit_depth;
+ } else {
+ fatal("Unsupported Y4M stream.");
+ }
+ } else if (input->detect.buf_read == 4 && fourcc_is_ivf(input->detect.buf)) {
+ fatal("IVF is not supported as input.");
+ } else {
+ input->file_type = FILE_TYPE_RAW;
+ }
+}
+
+void close_input_file(struct VpxInputContext *input) {
+ fclose(input->file);
+ if (input->file_type == FILE_TYPE_Y4M) y4m_input_close(&input->y4m);
+}
+#endif
+
// TODO(debargha): Consolidate the functions below into a separate file.
#if CONFIG_VP9_HIGHBITDEPTH
static void highbd_img_upshift(vpx_image_t *dst, vpx_image_t *src,
int plane;
if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
dst->x_chroma_shift != src->x_chroma_shift ||
- dst->y_chroma_shift != src->y_chroma_shift ||
- dst->fmt != src->fmt || input_shift < 0) {
+ dst->y_chroma_shift != src->y_chroma_shift || dst->fmt != src->fmt ||
+ input_shift < 0) {
fatal("Unsupported image conversion");
}
switch (src->fmt) {
case VPX_IMG_FMT_I42016:
case VPX_IMG_FMT_I42216:
case VPX_IMG_FMT_I44416:
- case VPX_IMG_FMT_I44016:
- break;
- default:
- fatal("Unsupported image conversion");
- break;
+ case VPX_IMG_FMT_I44016: break;
+ default: fatal("Unsupported image conversion"); break;
}
for (plane = 0; plane < 3; plane++) {
int w = src->d_w;
(uint16_t *)(src->planes[plane] + y * src->stride[plane]);
uint16_t *p_dst =
(uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
- for (x = 0; x < w; x++)
- *p_dst++ = (*p_src++ << input_shift) + offset;
+ for (x = 0; x < w; x++) *p_dst++ = (*p_src++ << input_shift) + offset;
}
}
}
if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
dst->x_chroma_shift != src->x_chroma_shift ||
dst->y_chroma_shift != src->y_chroma_shift ||
- dst->fmt != src->fmt + VPX_IMG_FMT_HIGHBITDEPTH ||
- input_shift < 0) {
+ dst->fmt != src->fmt + VPX_IMG_FMT_HIGHBITDEPTH || input_shift < 0) {
fatal("Unsupported image conversion");
}
switch (src->fmt) {
case VPX_IMG_FMT_I420:
case VPX_IMG_FMT_I422:
case VPX_IMG_FMT_I444:
- case VPX_IMG_FMT_I440:
- break;
- default:
- fatal("Unsupported image conversion");
- break;
+ case VPX_IMG_FMT_I440: break;
+ default: fatal("Unsupported image conversion"); break;
}
for (plane = 0; plane < 3; plane++) {
int w = src->d_w;
}
}
-void vpx_img_upshift(vpx_image_t *dst, vpx_image_t *src,
- int input_shift) {
+void vpx_img_upshift(vpx_image_t *dst, vpx_image_t *src, int input_shift) {
if (src->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
highbd_img_upshift(dst, src, input_shift);
} else {
void vpx_img_truncate_16_to_8(vpx_image_t *dst, vpx_image_t *src) {
int plane;
- if (dst->fmt + VPX_IMG_FMT_HIGHBITDEPTH != src->fmt ||
- dst->d_w != src->d_w || dst->d_h != src->d_h ||
- dst->x_chroma_shift != src->x_chroma_shift ||
+ if (dst->fmt + VPX_IMG_FMT_HIGHBITDEPTH != src->fmt || dst->d_w != src->d_w ||
+ dst->d_h != src->d_h || dst->x_chroma_shift != src->x_chroma_shift ||
dst->y_chroma_shift != src->y_chroma_shift) {
fatal("Unsupported image conversion");
}
case VPX_IMG_FMT_I420:
case VPX_IMG_FMT_I422:
case VPX_IMG_FMT_I444:
- case VPX_IMG_FMT_I440:
- break;
- default:
- fatal("Unsupported image conversion");
- break;
+ case VPX_IMG_FMT_I440: break;
+ default: fatal("Unsupported image conversion"); break;
}
for (plane = 0; plane < 3; plane++) {
int w = src->d_w;
int plane;
if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
dst->x_chroma_shift != src->x_chroma_shift ||
- dst->y_chroma_shift != src->y_chroma_shift ||
- dst->fmt != src->fmt || down_shift < 0) {
+ dst->y_chroma_shift != src->y_chroma_shift || dst->fmt != src->fmt ||
+ down_shift < 0) {
fatal("Unsupported image conversion");
}
switch (src->fmt) {
case VPX_IMG_FMT_I42016:
case VPX_IMG_FMT_I42216:
case VPX_IMG_FMT_I44416:
- case VPX_IMG_FMT_I44016:
- break;
- default:
- fatal("Unsupported image conversion");
- break;
+ case VPX_IMG_FMT_I44016: break;
+ default: fatal("Unsupported image conversion"); break;
}
for (plane = 0; plane < 3; plane++) {
int w = src->d_w;
(uint16_t *)(src->planes[plane] + y * src->stride[plane]);
uint16_t *p_dst =
(uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
- for (x = 0; x < w; x++)
- *p_dst++ = *p_src++ >> down_shift;
+ for (x = 0; x < w; x++) *p_dst++ = *p_src++ >> down_shift;
}
}
}
if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
dst->x_chroma_shift != src->x_chroma_shift ||
dst->y_chroma_shift != src->y_chroma_shift ||
- src->fmt != dst->fmt + VPX_IMG_FMT_HIGHBITDEPTH ||
- down_shift < 0) {
+ src->fmt != dst->fmt + VPX_IMG_FMT_HIGHBITDEPTH || down_shift < 0) {
fatal("Unsupported image conversion");
}
switch (dst->fmt) {
case VPX_IMG_FMT_I420:
case VPX_IMG_FMT_I422:
case VPX_IMG_FMT_I444:
- case VPX_IMG_FMT_I440:
- break;
- default:
- fatal("Unsupported image conversion");
- break;
+ case VPX_IMG_FMT_I440: break;
+ default: fatal("Unsupported image conversion"); break;
}
for (plane = 0; plane < 3; plane++) {
int w = src->d_w;
}
}
-void vpx_img_downshift(vpx_image_t *dst, vpx_image_t *src,
- int down_shift) {
+void vpx_img_downshift(vpx_image_t *dst, vpx_image_t *src, int down_shift) {
if (dst->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
highbd_img_downshift(dst, src, down_shift);
} else {
}
}
#endif // CONFIG_VP9_HIGHBITDEPTH
+
+int compare_img(const vpx_image_t *const img1, const vpx_image_t *const img2) {
+ uint32_t l_w = img1->d_w;
+ uint32_t c_w = (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
+ const uint32_t c_h =
+ (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
+ uint32_t i;
+ int match = 1;
+
+ match &= (img1->fmt == img2->fmt);
+ match &= (img1->d_w == img2->d_w);
+ match &= (img1->d_h == img2->d_h);
+#if CONFIG_VP9_HIGHBITDEPTH
+ if (img1->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
+ l_w *= 2;
+ c_w *= 2;
+ }
+#endif
+
+ for (i = 0; i < img1->d_h; ++i)
+ match &= (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y],
+ img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y],
+ l_w) == 0);
+
+ for (i = 0; i < c_h; ++i)
+ match &= (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U],
+ img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U],
+ c_w) == 0);
+
+ for (i = 0; i < c_h; ++i)
+ match &= (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V],
+ img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V],
+ c_w) == 0);
+
+ return match;
+}
+
+#define mmin(a, b) ((a) < (b) ? (a) : (b))
+
+#if CONFIG_VP9_HIGHBITDEPTH
+void find_mismatch_high(const vpx_image_t *const img1,
+ const vpx_image_t *const img2, int yloc[4], int uloc[4],
+ int vloc[4]) {
+ uint16_t *plane1, *plane2;
+ uint32_t stride1, stride2;
+ const uint32_t bsize = 64;
+ const uint32_t bsizey = bsize >> img1->y_chroma_shift;
+ const uint32_t bsizex = bsize >> img1->x_chroma_shift;
+ const uint32_t c_w =
+ (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
+ const uint32_t c_h =
+ (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
+ int match = 1;
+ uint32_t i, j;
+ yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
+ plane1 = (uint16_t *)img1->planes[VPX_PLANE_Y];
+ plane2 = (uint16_t *)img2->planes[VPX_PLANE_Y];
+ stride1 = img1->stride[VPX_PLANE_Y] / 2;
+ stride2 = img2->stride[VPX_PLANE_Y] / 2;
+ for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {
+ for (j = 0; match && j < img1->d_w; j += bsize) {
+ int k, l;
+ const int si = mmin(i + bsize, img1->d_h) - i;
+ const int sj = mmin(j + bsize, img1->d_w) - j;
+ for (k = 0; match && k < si; ++k) {
+ for (l = 0; match && l < sj; ++l) {
+ if (*(plane1 + (i + k) * stride1 + j + l) !=
+ *(plane2 + (i + k) * stride2 + j + l)) {
+ yloc[0] = i + k;
+ yloc[1] = j + l;
+ yloc[2] = *(plane1 + (i + k) * stride1 + j + l);
+ yloc[3] = *(plane2 + (i + k) * stride2 + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
+ plane1 = (uint16_t *)img1->planes[VPX_PLANE_U];
+ plane2 = (uint16_t *)img2->planes[VPX_PLANE_U];
+ stride1 = img1->stride[VPX_PLANE_U] / 2;
+ stride2 = img2->stride[VPX_PLANE_U] / 2;
+ for (i = 0, match = 1; match && i < c_h; i += bsizey) {
+ for (j = 0; match && j < c_w; j += bsizex) {
+ int k, l;
+ const int si = mmin(i + bsizey, c_h - i);
+ const int sj = mmin(j + bsizex, c_w - j);
+ for (k = 0; match && k < si; ++k) {
+ for (l = 0; match && l < sj; ++l) {
+ if (*(plane1 + (i + k) * stride1 + j + l) !=
+ *(plane2 + (i + k) * stride2 + j + l)) {
+ uloc[0] = i + k;
+ uloc[1] = j + l;
+ uloc[2] = *(plane1 + (i + k) * stride1 + j + l);
+ uloc[3] = *(plane2 + (i + k) * stride2 + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
+ plane1 = (uint16_t *)img1->planes[VPX_PLANE_V];
+ plane2 = (uint16_t *)img2->planes[VPX_PLANE_V];
+ stride1 = img1->stride[VPX_PLANE_V] / 2;
+ stride2 = img2->stride[VPX_PLANE_V] / 2;
+ for (i = 0, match = 1; match && i < c_h; i += bsizey) {
+ for (j = 0; match && j < c_w; j += bsizex) {
+ int k, l;
+ const int si = mmin(i + bsizey, c_h - i);
+ const int sj = mmin(j + bsizex, c_w - j);
+ for (k = 0; match && k < si; ++k) {
+ for (l = 0; match && l < sj; ++l) {
+ if (*(plane1 + (i + k) * stride1 + j + l) !=
+ *(plane2 + (i + k) * stride2 + j + l)) {
+ vloc[0] = i + k;
+ vloc[1] = j + l;
+ vloc[2] = *(plane1 + (i + k) * stride1 + j + l);
+ vloc[3] = *(plane2 + (i + k) * stride2 + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+void find_mismatch(const vpx_image_t *const img1, const vpx_image_t *const img2,
+ int yloc[4], int uloc[4], int vloc[4]) {
+ const uint32_t bsize = 64;
+ const uint32_t bsizey = bsize >> img1->y_chroma_shift;
+ const uint32_t bsizex = bsize >> img1->x_chroma_shift;
+ const uint32_t c_w =
+ (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
+ const uint32_t c_h =
+ (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
+ int match = 1;
+ uint32_t i, j;
+ yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
+ for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {
+ for (j = 0; match && j < img1->d_w; j += bsize) {
+ int k, l;
+ const int si = mmin(i + bsize, img1->d_h) - i;
+ const int sj = mmin(j + bsize, img1->d_w) - j;
+ for (k = 0; match && k < si; ++k) {
+ for (l = 0; match && l < sj; ++l) {
+ if (*(img1->planes[VPX_PLANE_Y] +
+ (i + k) * img1->stride[VPX_PLANE_Y] + j + l) !=
+ *(img2->planes[VPX_PLANE_Y] +
+ (i + k) * img2->stride[VPX_PLANE_Y] + j + l)) {
+ yloc[0] = i + k;
+ yloc[1] = j + l;
+ yloc[2] = *(img1->planes[VPX_PLANE_Y] +
+ (i + k) * img1->stride[VPX_PLANE_Y] + j + l);
+ yloc[3] = *(img2->planes[VPX_PLANE_Y] +
+ (i + k) * img2->stride[VPX_PLANE_Y] + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
+ for (i = 0, match = 1; match && i < c_h; i += bsizey) {
+ for (j = 0; match && j < c_w; j += bsizex) {
+ int k, l;
+ const int si = mmin(i + bsizey, c_h - i);
+ const int sj = mmin(j + bsizex, c_w - j);
+ for (k = 0; match && k < si; ++k) {
+ for (l = 0; match && l < sj; ++l) {
+ if (*(img1->planes[VPX_PLANE_U] +
+ (i + k) * img1->stride[VPX_PLANE_U] + j + l) !=
+ *(img2->planes[VPX_PLANE_U] +
+ (i + k) * img2->stride[VPX_PLANE_U] + j + l)) {
+ uloc[0] = i + k;
+ uloc[1] = j + l;
+ uloc[2] = *(img1->planes[VPX_PLANE_U] +
+ (i + k) * img1->stride[VPX_PLANE_U] + j + l);
+ uloc[3] = *(img2->planes[VPX_PLANE_U] +
+ (i + k) * img2->stride[VPX_PLANE_U] + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+ vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
+ for (i = 0, match = 1; match && i < c_h; i += bsizey) {
+ for (j = 0; match && j < c_w; j += bsizex) {
+ int k, l;
+ const int si = mmin(i + bsizey, c_h - i);
+ const int sj = mmin(j + bsizex, c_w - j);
+ for (k = 0; match && k < si; ++k) {
+ for (l = 0; match && l < sj; ++l) {
+ if (*(img1->planes[VPX_PLANE_V] +
+ (i + k) * img1->stride[VPX_PLANE_V] + j + l) !=
+ *(img2->planes[VPX_PLANE_V] +
+ (i + k) * img2->stride[VPX_PLANE_V] + j + l)) {
+ vloc[0] = i + k;
+ vloc[1] = j + l;
+ vloc[2] = *(img1->planes[VPX_PLANE_V] +
+ (i + k) * img1->stride[VPX_PLANE_V] + j + l);
+ vloc[3] = *(img2->planes[VPX_PLANE_V] +
+ (i + k) * img2->stride[VPX_PLANE_V] + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+}