blob: 89ead4205b649fca8bd8954c07a46be59f0a59fd [file] [log] [blame]
// Copyright 2018 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/browser/media/flinging_renderer.h"
#include "base/memory/ptr_util.h"
#include "content/browser/frame_host/render_frame_host_delegate.h"
#include "content/browser/frame_host/render_frame_host_impl.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/presentation_service_delegate.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/common/content_client.h"
namespace content {
FlingingRenderer::FlingingRenderer(
std::unique_ptr<media::FlingingController> controller)
: controller_(std::move(controller)) {
controller_->AddMediaStatusObserver(this);
}
FlingingRenderer::~FlingingRenderer() {
controller_->RemoveMediaStatusObserver(this);
};
// static
std::unique_ptr<FlingingRenderer> FlingingRenderer::Create(
RenderFrameHost* render_frame_host,
const std::string& presentation_id) {
DVLOG(1) << __func__;
ContentClient* content_client = GetContentClient();
if (!content_client)
return nullptr;
ContentBrowserClient* browser_client = content_client->browser();
if (!browser_client)
return nullptr;
ControllerPresentationServiceDelegate* presentation_delegate =
browser_client->GetControllerPresentationServiceDelegate(
static_cast<RenderFrameHostImpl*>(render_frame_host)
->delegate()
->GetAsWebContents());
if (!presentation_delegate)
return nullptr;
auto flinging_controller = presentation_delegate->GetFlingingController(
render_frame_host->GetProcess()->GetID(),
render_frame_host->GetRoutingID(), presentation_id);
if (!flinging_controller)
return nullptr;
return base::WrapUnique<FlingingRenderer>(
new FlingingRenderer(std::move(flinging_controller)));
}
// media::Renderer implementation
void FlingingRenderer::Initialize(media::MediaResource* media_resource,
media::RendererClient* client,
const media::PipelineStatusCB& init_cb) {
DVLOG(2) << __func__;
client_ = client;
init_cb.Run(media::PIPELINE_OK);
}
void FlingingRenderer::SetCdm(media::CdmContext* cdm_context,
const media::CdmAttachedCB& cdm_attached_cb) {
// The flinging renderer does not support playing encrypted content.
NOTREACHED();
}
void FlingingRenderer::Flush(const base::Closure& flush_cb) {
DVLOG(2) << __func__;
// There is nothing to reset, we can no-op the call.
flush_cb.Run();
}
void FlingingRenderer::StartPlayingFrom(base::TimeDelta time) {
DVLOG(2) << __func__;
controller_->GetMediaController()->Seek(time);
// After a seek when using the FlingingRenderer, WMPI will never get back to
// BUFFERING_HAVE_ENOUGH. This prevents Blink from getting the appropriate
// seek completion signals, and time updates are never re-scheduled.
//
// The FlingingRenderer doesn't need to buffer, since playback happens on a
// different device. This means it's ok to always send BUFFERING_HAVE_ENOUGH
// when sending buffering state changes. That being said, sending state
// changes here might be surprising, but the same signals are sent from
// MediaPlayerRenderer::StartPlayingFrom(), and it has been working mostly
// smoothly for all HLS playback.
client_->OnBufferingStateChange(media::BUFFERING_HAVE_ENOUGH);
}
void FlingingRenderer::SetPlaybackRate(double playback_rate) {
DVLOG(2) << __func__;
if (playback_rate == 0)
controller_->GetMediaController()->Pause();
else
controller_->GetMediaController()->Play();
}
void FlingingRenderer::SetVolume(float volume) {
DVLOG(2) << __func__;
controller_->GetMediaController()->SetVolume(volume);
}
base::TimeDelta FlingingRenderer::GetMediaTime() {
return controller_->GetApproximateCurrentTime();
}
void FlingingRenderer::OnMediaStatusUpdated(const media::MediaStatus& status) {
// TODO(tguilbert): propagate important changes to RendererClient.
}
} // namespace content