Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(94)

Unified Diff: ppapi/proxy/video_destination_resource.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
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « ppapi/proxy/video_destination_resource.h ('k') | ppapi/proxy/video_source_resource.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: ppapi/proxy/video_destination_resource.cc
diff --git a/ppapi/proxy/video_destination_resource.cc b/ppapi/proxy/video_destination_resource.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b08d0635ba3e405f791fcacefbb7a4f37de3e177
--- /dev/null
+++ b/ppapi/proxy/video_destination_resource.cc
@@ -0,0 +1,102 @@
+// 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 "ppapi/proxy/video_destination_resource.h"
+
+#include "base/bind.h"
+#include "ipc/ipc_message.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/private/pp_video_frame_private.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/shared_impl/ppapi_globals.h"
+#include "ppapi/shared_impl/resource_tracker.h"
+#include "ppapi/shared_impl/var.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_image_data_api.h"
+
+using ppapi::thunk::EnterResourceNoLock;
+using ppapi::thunk::PPB_VideoDestination_Private_API;
+
+namespace ppapi {
+namespace proxy {
+
+VideoDestinationResource::VideoDestinationResource(
+ Connection connection,
+ PP_Instance instance)
+ : PluginResource(connection, instance),
+ is_open_(false) {
+ SendCreate(RENDERER, PpapiHostMsg_VideoDestination_Create());
+}
+
+VideoDestinationResource::~VideoDestinationResource() {
+}
+
+PPB_VideoDestination_Private_API*
+ VideoDestinationResource::AsPPB_VideoDestination_Private_API() {
+ return this;
+}
+
+int32_t VideoDestinationResource::Open(
+ const PP_Var& stream_url,
+ scoped_refptr<TrackedCallback> callback) {
+ if (TrackedCallback::IsPending(open_callback_))
+ return PP_ERROR_INPROGRESS;
+
+ open_callback_ = callback;
+
+ scoped_refptr<StringVar> stream_url_var = StringVar::FromPPVar(stream_url);
+ const uint32_t kMaxStreamIdSizeInBytes = 16384;
+ if (!stream_url_var ||
+ stream_url_var->value().size() > kMaxStreamIdSizeInBytes)
+ return PP_ERROR_BADARGUMENT;
+ Call<PpapiPluginMsg_VideoDestination_OpenReply>(RENDERER,
+ PpapiHostMsg_VideoDestination_Open(stream_url_var->value()),
+ base::Bind(&VideoDestinationResource::OnPluginMsgOpenComplete, this));
+ return PP_OK_COMPLETIONPENDING;
+}
+
+int32_t VideoDestinationResource::PutFrame(
+ const PP_VideoFrame_Private& frame) {
+ if (!is_open_)
+ return PP_ERROR_FAILED;
+
+ thunk::EnterResourceNoLock<thunk::PPB_ImageData_API> enter_image(
+ frame.image_data, true);
+ if (enter_image.failed())
+ return PP_ERROR_BADRESOURCE;
+
+ // Check that the PP_Instance matches.
+ Resource* image_object =
+ PpapiGlobals::Get()->GetResourceTracker()->GetResource(frame.image_data);
+ if (!image_object || pp_instance() != image_object->pp_instance()) {
+ Log(PP_LOGLEVEL_ERROR,
+ "VideoDestinationPrivateResource.PutFrame: Bad image resource.");
+ return PP_ERROR_BADRESOURCE;
+ }
+
+ Post(RENDERER,
+ PpapiHostMsg_VideoDestination_PutFrame(image_object->host_resource(),
+ frame.timestamp));
+ return PP_OK;
+}
+
+void VideoDestinationResource::Close() {
+ Post(RENDERER, PpapiHostMsg_VideoDestination_Close());
+
+ if (TrackedCallback::IsPending(open_callback_))
+ open_callback_->PostAbort();
+}
+
+void VideoDestinationResource::OnPluginMsgOpenComplete(
+ const ResourceMessageReplyParams& params) {
+ if (TrackedCallback::IsPending(open_callback_)) {
+ int32_t result = params.result();
+ if (result == PP_OK)
+ is_open_ = true;
+ open_callback_->Run(result);
+ }
+}
+
+} // namespace proxy
+} // namespace ppapi
« no previous file with comments | « ppapi/proxy/video_destination_resource.h ('k') | ppapi/proxy/video_source_resource.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698