Strip IVF headers from VP8 streams before sending them to the OMX decoder.

content/common/gpu/media/omx_video_decode_accelerator.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/common/gpu/media/omx_video_decode_accelerator.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
@@ skipping 457 matching lines @@
          client_state_ == OMX_StatePause);
   current_state_change_ = DESTROYING;
   client_ = NULL;
   BeginTransitionToState(OMX_StateIdle);
   BusyLoopInDestroying(deleter.Pass());
 }
 
 void OmxVideoDecodeAccelerator::BeginTransitionToState(
     OMX_STATETYPE new_state) {
   DCHECK_EQ(message_loop_, MessageLoop::current());
-  DCHECK_NE(current_state_change_, NO_TRANSITION);
-  DCHECK_NE(current_state_change_, ERRORING);

[Ami GONE FROM CHROMIUM, 2012/07/25 22:41:15]

I must have been on crack when I wrote this; the error case can get here during
any transition (or with no transition).

-  if (current_state_change_ == NO_TRANSITION ||
-      current_state_change_ == ERRORING) {
+  if (new_state != OMX_StateInvalid)
+    DCHECK_NE(current_state_change_, NO_TRANSITION);
+  if (current_state_change_ == ERRORING)
     return;
-  }
   OMX_ERRORTYPE result = OMX_SendCommand(
       component_handle_, OMX_CommandStateSet, new_state, 0);
   RETURN_ON_OMX_FAILURE(result, "SendCommand(OMX_CommandStateSet) failed",
                         PLATFORM_FAILURE,);
 }
 
 void OmxVideoDecodeAccelerator::OnReachedIdleInInitializing() {
   DCHECK_EQ(client_state_, OMX_StateLoaded);
   client_state_ = OMX_StateIdle;
   // Query the resources with the component.
@@ skipping 459 matching lines @@
       }
       return;
     case OMX_EventError:
       if (current_state_change_ != DESTROYING &&
           current_state_change_ != ERRORING) {
         RETURN_ON_FAILURE(false, "EventError: 0x" << std::hex << data1,
                           PLATFORM_FAILURE,);
       }
       return;
     case OMX_EventPortSettingsChanged:
-      if (data2 == OMX_IndexParamPortDefinition) {
+      if ((data2 == OMX_IndexParamPortDefinition) ||  // Tegra2/3
+          (data2 == 0)) {  // Exynos SEC-OMX; http://crosbug.com/p/11665
         DCHECK_EQ(data1, output_port_);
         // This event is only used for output resize; kick off handling that by
         // pausing the output port.
         SendCommandToPort(OMX_CommandPortDisable, output_port_);
       } else if (data1 == output_port_ &&
                  data2 == OMX_IndexConfigCommonOutputCrop) {
         // TODO(vjain): Handle video crop rect.
       } else if (data1 == output_port_ &&
                  data2 == OMX_IndexConfigCommonScale) {
         // TODO(ashokm@nvidia.com): Handle video SAR change.
@@ skipping 89 matching lines @@
 
 bool OmxVideoDecodeAccelerator::SendCommandToPort(
     OMX_COMMANDTYPE cmd, int port_index) {
   DCHECK_EQ(message_loop_, MessageLoop::current());
   OMX_ERRORTYPE result = OMX_SendCommand(component_handle_,
                                          cmd, port_index, 0);
   RETURN_ON_OMX_FAILURE(result, "SendCommand() failed" << cmd,
                         PLATFORM_FAILURE, false);
   return true;
 }