Move shared test variables to tools_common.sh.

[libvpx] / tools_common.c

diff --git a/tools_common.c b/tools_common.c
index 5a1b7015a1a6e8a14390c0a088b922dab9e44da8..4f2ac74016383fa94f230e566eb3ee1c3bee472f 100644 (file)
--- a/tools_common.c
+++ b/tools_common.c
@@ -8,13 +8,14 @@
  *  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
@@ -77,26 +78,6 @@ void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
   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;
@@ -220,14 +201,31 @@ const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc) {
   return NULL;
 }
 
+// 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;
+  else
+    return img->d_w;
+}
+
+int vpx_img_plane_height(const vpx_image_t *img, int plane) {
+  if (plane > 0 &&  img->y_chroma_shift > 0)
+    return (img->d_h + 1) >> img->y_chroma_shift;
+  else
+    return img->d_h;
+}
+
 void vpx_img_write(const vpx_image_t *img, FILE *file) {
-  int plane, y;
+  int plane;
 
   for (plane = 0; plane < 3; ++plane) {
     const unsigned char *buf = img->planes[plane];
     const int stride = img->stride[plane];
-    const int w = plane ? (img->d_w + 1) >> 1 : img->d_w;
-    const int h = plane ? (img->d_h + 1) >> 1 : img->d_h;
+    const int w = vpx_img_plane_width(img, plane);
+    const int h = vpx_img_plane_height(img, plane);
+    int y;
 
     for (y = 0; y < h; ++y) {
       fwrite(buf, 1, w, file);
@@ -242,8 +240,8 @@ int vpx_img_read(vpx_image_t *img, FILE *file) {
   for (plane = 0; plane < 3; ++plane) {
     unsigned char *buf = img->planes[plane];
     const int stride = img->stride[plane];
-    const int w = plane ? (img->d_w + 1) >> 1 : img->d_w;
-    const int h = plane ? (img->d_h + 1) >> 1 : img->d_h;
+    const int w = vpx_img_plane_width(img, plane);
+    const int h = vpx_img_plane_height(img, plane);
     int y;
 
     for (y = 0; y < h; ++y) {
@@ -256,3 +254,14 @@ int vpx_img_read(vpx_image_t *img, FILE *file) {
   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;
+  }
+}