I420ToRGB24MatrixFilter function added

- Implemented as 3 steps: Upsample UV to 4:4:4, I444ToARGB, ARGBToRGB24
- Fix some build warnings for missing prototypes.

Pixel 4
I420ToRGB24_Opt (743 ms)
I420ToRGB24Filter_Opt (1331 ms)

Windows with skylake xeon:
x86 32 bit
I420ToRGB24_Opt (387 ms)
I420ToRGB24Filter_Opt (571 ms)
x64 64 bit
I420ToRGB24_Opt (384 ms)
I420ToRGB24Filter_Opt (582 ms)


Bug: libyuv:938, libyuv:830
Change-Id: Ie27f70816ec084437014f8a1c630ae011ee2348c
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/3900298
Reviewed-by: Wan-Teh Chang <wtc@google.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/util/yuvconvert.cc b/util/yuvconvert.cc
index 332699e3..93b52668 100644
--- a/util/yuvconvert.cc
+++ b/util/yuvconvert.cc
@@ -42,9 +42,9 @@ static __inline uint32_t Abs(int32_t v) {
 }
 
 // Parse PYUV format. ie name.1920x800_24Hz_P420.yuv
-bool ExtractResolutionFromFilename(const char* name,
-                                   int* width_ptr,
-                                   int* height_ptr) {
+static bool ExtractResolutionFromFilename(const char* name,
+                                          int* width_ptr,
+                                          int* height_ptr) {
   // Isolate the .width_height. section of the filename by searching for a
   // dot or underscore followed by a digit.
   for (int i = 0; name[i]; ++i) {
@@ -59,7 +59,7 @@ bool ExtractResolutionFromFilename(const char* name,
   return false;
 }
 
-void PrintHelp(const char* program) {
+static void PrintHelp(const char* program) {
   printf("%s [-options] src_argb.raw dst_yuv.raw\n", program);
   printf(
       " -s <width> <height> .... specify source resolution.  "
@@ -78,7 +78,7 @@ void PrintHelp(const char* program) {
   exit(0);
 }
 
-void ParseOptions(int argc, const char* argv[]) {
+static void ParseOptions(int argc, const char* argv[]) {
   if (argc <= 1) {
     PrintHelp(argv[0]);
   }