* be found in the AUTHORS file in the root of the source tree.
*/
-#include "tools_common.h"
-
+#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include "./tools_common.h"
+
#if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
#include "vpx/vp8cx.h"
#endif
exit(EXIT_FAILURE);
}
-uint16_t mem_get_le16(const void *data) {
- uint16_t val;
- const uint8_t *mem = (const uint8_t*)data;
-
- val = mem[1] << 8;
- val |= mem[0];
- return val;
-}
-
-uint32_t mem_get_le32(const void *data) {
- uint32_t val;
- const uint8_t *mem = (const uint8_t*)data;
-
- val = mem[3] << 24;
- val |= mem[2] << 16;
- val |= mem[1] << 8;
- val |= mem[0];
- return val;
-}
-
int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame) {
FILE *f = input_ctx->file;
struct FileTypeDetectionBuffer *detect = &input_ctx->detect;
return 1;
}
+// TODO(dkovalev) change sse_to_psnr signature: double -> int64_t
+double sse_to_psnr(double samples, double peak, double sse) {
+ static const double kMaxPSNR = 100.0;
+
+ if (sse > 0.0) {
+ const double psnr = 10.0 * log10(samples * peak * peak / sse);
+ return psnr > kMaxPSNR ? kMaxPSNR : psnr;
+ } else {
+ return kMaxPSNR;
+ }
+}