Reland: Video Capture: extract storage info from pixel format in VideoCaptureFormat.

content/browser/renderer_host/media/video_capture_controller.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 "content/browser/renderer_host/media/video_capture_controller.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 306 matching lines @@
       CHECK((frame->IsMappable() && frame->format() == VideoFrame::I420) ||
             (!frame->IsMappable() && frame->HasTextures() &&
              frame->format() == VideoFrame::ARGB))
           << "Format and/or storage type combination not supported (received: "
           << VideoFrame::FormatToString(frame->format()) << ")";
 
       if (frame->HasTextures()) {
         DCHECK(frame->coded_size() == frame->visible_rect().size())
             << "Textures are always supposed to be tightly packed.";
         DCHECK_EQ(1u, VideoFrame::NumPlanes(frame->format()));
-
       } else if (frame->format() == VideoFrame::I420) {
         const bool is_new_buffer =
             client->known_buffers.insert(buffer_id).second;
         if (is_new_buffer) {
           // On the first use of a buffer on a client, share the memory handle.
           size_t memory_size = 0;
           base::SharedMemoryHandle remote_handle = buffer_pool_->ShareToProcess(
               buffer_id, client->render_process_handle, &memory_size);
           client->event_handler->OnBufferCreated(
               client->controller_id, remote_handle, memory_size, buffer_id);
@@ skipping 93 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   int active_client_count = 0;
   for (ControllerClient* client : controller_clients_) {
     if (!client->paused)
       ++active_client_count;
   }
   return active_client_count;
 }
 
 }  // namespace content