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Unified Diff: content/renderer/pepper/pepper_video_destination_host.cc

Issue 13771020: Add Pepper VideoReader and VideoWriter plumbing (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase, clean up some headers. Created 7 years, 8 months ago
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Index: content/renderer/pepper/pepper_video_destination_host.cc
diff --git a/content/renderer/pepper/pepper_video_destination_host.cc b/content/renderer/pepper/pepper_video_destination_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..13760d6864dbdf24b704dbeb275e4ebaed1680d8
--- /dev/null
+++ b/content/renderer/pepper/pepper_video_destination_host.cc
@@ -0,0 +1,88 @@
+// Copyright (c) 2013 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/renderer/pepper/pepper_video_destination_host.h"
+
+#include "content/public/renderer/renderer_ppapi_host.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/host/dispatch_host_message.h"
+#include "ppapi/host/host_message_context.h"
+#include "ppapi/host/ppapi_host.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_image_data_api.h"
+#include "webkit/plugins/ppapi/ppb_image_data_impl.h"
+
+using ppapi::host::HostMessageContext;
+using ppapi::host::ReplyMessageContext;
+
+namespace content {
+
+PepperVideoDestinationHost::PepperVideoDestinationHost(
+ RendererPpapiHost* host,
+ PP_Instance instance,
+ PP_Resource resource)
+ : ResourceHost(host->GetPpapiHost(), instance, resource),
+ renderer_ppapi_host_(host),
+ weak_factory_(this) {
+}
+
+PepperVideoDestinationHost::~PepperVideoDestinationHost() {
+}
+
+int32_t PepperVideoDestinationHost::OnResourceMessageReceived(
+ const IPC::Message& msg,
+ HostMessageContext* context) {
+ IPC_BEGIN_MESSAGE_MAP(PepperVideoDestinationHost, msg)
+ PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_VideoDestination_Open,
+ OnHostMsgOpen)
+ PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_VideoDestination_PutFrame,
+ OnHostMsgPutFrame)
+ PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_VideoDestination_Close,
+ OnHostMsgClose)
+ IPC_END_MESSAGE_MAP()
+ return PP_ERROR_FAILED;
+}
+
+int32_t PepperVideoDestinationHost::OnHostMsgOpen(
+ HostMessageContext* context,
+ const std::string& stream_url) {
+ GURL gurl(stream_url);
+ if (!gurl.is_valid())
+ return PP_ERROR_BADARGUMENT;
+ // TODO(ronghuawu) Check that gurl is a valid MediaStream video track URL.
+ // TODO(ronghuawu) Open a MediaStream video track.
+ ReplyMessageContext reply_context = context->MakeReplyMessageContext();
+ reply_context.params.set_result(PP_OK);
+ host()->SendReply(reply_context,
+ PpapiPluginMsg_VideoDestination_OpenReply());
+ return PP_OK_COMPLETIONPENDING;
+}
+
+int32_t PepperVideoDestinationHost::OnHostMsgPutFrame(
+ HostMessageContext* context,
+ const ppapi::HostResource& image_data,
+ PP_TimeTicks timestamp) {
+ ppapi::thunk::EnterResourceNoLock<ppapi::thunk::PPB_ImageData_API> enter(
+ image_data.host_resource(), true);
+ if (enter.failed())
+ return PP_ERROR_BADRESOURCE;
+ webkit::ppapi::PPB_ImageData_Impl* image_resource =
+ static_cast<webkit::ppapi::PPB_ImageData_Impl*>(enter.object());
+
+ if (!webkit::ppapi::PPB_ImageData_Impl::IsImageDataFormatSupported(
+ image_resource->format()))
+ return PP_ERROR_BADARGUMENT;
+
+ // TODO(ronghuawu) write image data to MediaStream video track.
+ return PP_OK;
+}
+
+int32_t PepperVideoDestinationHost::OnHostMsgClose(
+ HostMessageContext* context) {
+ // TODO(ronghuawu) Close the video stream.
+ return PP_OK;
+}
+
+} // namespace content
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