VP8 decoder for chromoting

Added DecoderVp8 and unit test for chromoting.

TEST=remoting_unittests
BUG=50235

Review URL: http://codereview.chromium.org/3032047

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60960 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 24 insertions, 2 deletions

diff --git a/media/base/media.h b/media/base/media.h
index fd3269e..21dc6c2 100644
--- a/media/base/media.h
+++ b/media/base/media.h
@@ -27,12 +27,16 @@ bool InitializeOpenMaxLibrary(const FilePath& module_dir);
 
 // This is temporary to get the address of vpx_codec_vp8_cx_algo in FFmpeg.
 // This method should only be called after media library is loaded.
-
 // TODO(hclam): Remove this after we have a getter function for the same
 // purpose in libvpx.
-// See bug: http://code.google.com/p/webm/issues/detail?id=169
 void* GetVp8CxAlgoAddress();
 
+// This is temporary to get the address of vpx_codec_vp8_dx_algo in FFmpeg.
+// This method should only be called after media library is loaded.
+// TODO(hclam): Remove this after we have a getter function for the same
+// purpose in libvpx.
+void* GetVp8DxAlgoAddress();
+
 }  // namespace media
 
 #endif  // MEDIA_BASE_MEDIA_H_
diff --git a/media/base/media_posix.cc b/media/base/media_posix.cc
index d5137eb..89f8a17 100644
--- a/media/base/media_posix.cc
+++ b/media/base/media_posix.cc
@@ -73,6 +73,9 @@ std::string GetDSOName(tp_ffmpeg::StubModules stub_key) {
 // Address of vpx_codec_vp8_cx_algo.
 static void* vp8_cx_algo_address = NULL;
 
+// Address of vpx_codec_vp8_dx_algo.
+static void* vp8_dx_algo_address = NULL;
+
 // Attempts to initialize the media library (loading DSOs, etc.).
 // Returns true if everything was successfully initialized, false otherwise.
 bool InitializeMediaLibrary(const FilePath& module_dir) {
@@ -99,6 +102,8 @@ bool InitializeMediaLibrary(const FilePath& module_dir) {
   if (sumo_lib) {
     vp8_cx_algo_address = base::GetFunctionPointerFromNativeLibrary(
         sumo_lib, "vpx_codec_vp8_cx_algo");
+    vp8_dx_algo_address = base::GetFunctionPointerFromNativeLibrary(
+        sumo_lib, "vpx_codec_vp8_dx_algo");
   }
   return ret;
 }
@@ -133,4 +138,8 @@ void* GetVp8CxAlgoAddress() {
   return vp8_cx_algo_address;
 }
 
+void* GetVp8DxAlgoAddress() {
+  return vp8_dx_algo_address;
+}
+
 }  // namespace media
diff --git a/media/base/media_win.cc b/media/base/media_win.cc
index f31ab5b..75c8d29 100644
--- a/media/base/media_win.cc
+++ b/media/base/media_win.cc
@@ -51,6 +51,9 @@ FilePath::CharType* GetDLLName(FFmpegDLLKeys dll_key) {
 // Address of vpx_codec_vp8_cx_algo.
 static void* vp8_cx_algo_address = NULL;
 
+// Address of vpx_codec_vp8_dx_algo.
+static void* vp8_dx_algo_address = NULL;
+
 // Attempts to initialize the media library (loading DLLs, DSOs, etc.).
 // Returns true if everything was successfully initialized, false otherwise.
 bool InitializeMediaLibrary(const FilePath& base_path) {
@@ -90,6 +93,8 @@ bool InitializeMediaLibrary(const FilePath& base_path) {
   if (avcodec_lib) {
     vp8_cx_algo_address = base::GetFunctionPointerFromNativeLibrary(
         avcodec_lib, "vpx_codec_vp8_cx_algo");
+    vp8_dx_algo_address = base::GetFunctionPointerFromNativeLibrary(
+        avcodec_lib, "vpx_codec_vp8_dx_algo");
   }
 
   // Check that we loaded all libraries successfully.  We only need to check the
@@ -115,4 +120,8 @@ void* GetVp8CxAlgoAddress() {
   return vp8_cx_algo_address;
 }
 
+void* GetVp8DxAlgoAddress() {
+  return vp8_dx_algo_address;
+}
+
 }  // namespace media