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// 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.get() ||
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
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