Add distinction between RGB and RGBA native texture video frames and resources

media/base/video_frame.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/video_frame.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 231 matching lines @@
 }
 
 // static
 scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture(
     scoped_ptr<gpu::MailboxHolder> mailbox_holder,
     const ReleaseMailboxCB& mailbox_holder_release_cb,
     const gfx::Size& coded_size,
     const gfx::Rect& visible_rect,
     const gfx::Size& natural_size,
     base::TimeDelta timestamp,
-    bool allow_overlay) {
+    bool allow_overlay,
+    bool has_alpha) {
   scoped_refptr<VideoFrame> frame(new VideoFrame(NATIVE_TEXTURE,
                                                  coded_size,
                                                  visible_rect,
                                                  natural_size,
                                                  mailbox_holder.Pass(),
                                                  timestamp,
                                                  false));
   frame->mailbox_holder_release_cb_ = mailbox_holder_release_cb;
   frame->allow_overlay_ = allow_overlay;
+  frame->has_alpha_ = has_alpha;
 
   return frame;
 }
 
 // static
 scoped_refptr<VideoFrame> VideoFrame::WrapExternalPackedMemory(
     Format format,
     const gfx::Size& coded_size,
     const gfx::Rect& visible_rect,
     const gfx::Size& natural_size,
@@ skipping 398 matching lines @@
     : format_(format),
       coded_size_(coded_size),
       visible_rect_(visible_rect),
       natural_size_(natural_size),
       mailbox_holder_(mailbox_holder.Pass()),
       shared_memory_handle_(base::SharedMemory::NULLHandle()),
       shared_memory_offset_(0),
       timestamp_(timestamp),
       release_sync_point_(0),
       end_of_stream_(end_of_stream),
-      allow_overlay_(false) {
+      allow_overlay_(false),
+      has_alpha_(false) {
   DCHECK(IsValidConfig(format_, coded_size_, visible_rect_, natural_size_));
 
   memset(&strides_, 0, sizeof(strides_));
   memset(&data_, 0, sizeof(data_));
 }
 
 VideoFrame::~VideoFrame() {
   if (!mailbox_holder_release_cb_.is_null()) {
     uint32 release_sync_point;
     {
@@ skipping 120 matching lines @@
   for (size_t plane = 0; plane < NumPlanes(format_); ++plane) {
     for (int row = 0; row < rows(plane); ++row) {
       base::MD5Update(context, base::StringPiece(
           reinterpret_cast<char*>(data(plane) + stride(plane) * row),
           row_bytes(plane)));
     }
   }
 }
 
 }  // namespace media