Add OSX fourcc for 32 and 24 bit big endian formats, using by camtwist

BUG=229
TEST=untested
Review URL: https://webrtc-codereview.appspot.com/1506004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@698 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 697
+Version: 698
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 697
+#define LIBYUV_VERSION 698
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

include/libyuv/video_common.h

@@ -92,19 +92,21 @@ enum FourCC {
   FOURCC_J420 = FOURCC('J', '4', '2', '0'),
   FOURCC_J400 = FOURCC('J', '4', '0', '0'),
 
-  // 12 Auxiliary aliases.  CanonicalFourCC() maps these to canonical fourcc.
+  // 14 Auxiliary aliases.  CanonicalFourCC() maps these to canonical fourcc.
   FOURCC_IYUV = FOURCC('I', 'Y', 'U', 'V'),  // Alias for I420.
   FOURCC_YU16 = FOURCC('Y', 'U', '1', '6'),  // Alias for I422.
   FOURCC_YU24 = FOURCC('Y', 'U', '2', '4'),  // Alias for I444.
   FOURCC_YUYV = FOURCC('Y', 'U', 'Y', 'V'),  // Alias for YUY2.
   FOURCC_YUVS = FOURCC('y', 'u', 'v', 's'),  // Alias for YUY2 on Mac.
   FOURCC_HDYC = FOURCC('H', 'D', 'Y', 'C'),  // Alias for UYVY.
-  FOURCC_2VUY = FOURCC('2', 'v', 'u', 'y'),  // Alias for UYVY.
+  FOURCC_2VUY = FOURCC('2', 'v', 'u', 'y'),  // Alias for UYVY on Mac.
   FOURCC_JPEG = FOURCC('J', 'P', 'E', 'G'),  // Alias for MJPG.
   FOURCC_DMB1 = FOURCC('d', 'm', 'b', '1'),  // Alias for MJPG on Mac.
   FOURCC_BA81 = FOURCC('B', 'A', '8', '1'),  // Alias for BGGR.
   FOURCC_RGB3 = FOURCC('R', 'G', 'B', '3'),  // Alias for RAW.
   FOURCC_BGR3 = FOURCC('B', 'G', 'R', '3'),  // Alias for 24BG.
+  FOURCC_CM32 = FOURCC(0, 0, 0, 32),  // Alias for BGRA kCMPixelFormat_32ARGB
+  FOURCC_CM24 = FOURCC(0, 0, 0, 24),  // Alias for RAW kCMPixelFormat_24RGB
 
   // 1 Auxiliary compressed YUV format set aside for capturer.
   FOURCC_H264 = FOURCC('H', '2', '6', '4'),
@@ -159,6 +161,8 @@ enum FourCCBpp {
   FOURCC_BPP_BA81 = 8,
   FOURCC_BPP_RGB3 = 24,
   FOURCC_BPP_BGR3 = 24,
+  FOURCC_BPP_CM32 = 32,
+  FOURCC_BPP_CM24 = 24,
 
   // Match any fourcc.
   FOURCC_BPP_ANY  = 0,  // 0 means unknown.

source/video_common.cc

@@ -36,6 +36,8 @@ static const FourCCAliasEntry kFourCCAliases[] = {
   {FOURCC_BA81, FOURCC_BGGR},
   {FOURCC_RGB3, FOURCC_RAW},
   {FOURCC_BGR3, FOURCC_24BG},
+  {FOURCC_CM32, FOURCC_BGRA},
+  {FOURCC_CM24, FOURCC_RAW},
 };
 
 LIBYUV_API

unit_test/video_common_test.cc

@@ -54,6 +54,8 @@ TEST_F(libyuvTest, TestCanonicalFourCC) {
   EXPECT_EQ(FOURCC_BGGR, CanonicalFourCC(FOURCC_BA81));
   EXPECT_EQ(FOURCC_RAW, CanonicalFourCC(FOURCC_RGB3));
   EXPECT_EQ(FOURCC_24BG, CanonicalFourCC(FOURCC_BGR3));
+  EXPECT_EQ(FOURCC_BGRA, CanonicalFourCC(FOURCC_CM32));
+  EXPECT_EQ(FOURCC_RAW, CanonicalFourCC(FOURCC_CM24));
 }
 
 TEST_F(libyuvTest, TestFourCC) {