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// 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 "webkit/support/test_media_stream_client.h"
#include "googleurl/src/gurl.h"
#include "media/base/message_loop_factory.h"
#include "media/base/pipeline.h"
#include "media/filters/video_frame_generator.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaStreamRegistry.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamComponent.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamDescriptor.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
using namespace WebKit;
namespace {
static const int kVideoCaptureWidth = 352;
static const int kVideoCaptureHeight = 288;
static const int kVideoCaptureFrameDurationMs = 33;
bool IsMockMediaStreamWithVideo(const WebURL& url) {
WebMediaStreamDescriptor descriptor(
WebMediaStreamRegistry::lookupMediaStreamDescriptor(url));
if (descriptor.isNull())
return false;
WebVector<WebMediaStreamComponent> videoSources;
descriptor.videoSources(videoSources);
return videoSources.size() > 0;
}
} // namespace
namespace webkit_support {
scoped_refptr<media::VideoDecoder> TestMediaStreamClient::GetVideoDecoder(
const GURL& url, media::MessageLoopFactory* message_loop_factory) {
// This class is installed in a chain of possible VideoDecoder creators
// which are called in order until one returns an object.
// Make sure we are dealing with a Mock MediaStream. If not, bail out.
if (!IsMockMediaStreamWithVideo(url))
return NULL;
return new media::VideoFrameGenerator(
message_loop_factory->GetMessageLoopProxy("CaptureVideoDecoder").get(),
gfx::Size(kVideoCaptureWidth, kVideoCaptureHeight),
base::TimeDelta::FromMilliseconds(kVideoCaptureFrameDurationMs));
}
} // namespace webkit_support
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