blob: cef83f6f0825e3f98d786f7e36c559fa83f99f7e [file] [log] [blame]
// 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 "content/common/gpu/client/gpu_video_decode_accelerator_host.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/message_loop/message_loop.h"
#include "content/common/gpu/client/gpu_channel_host.h"
#include "content/common/gpu/gpu_messages.h"
#include "content/common/view_messages.h"
#include "ipc/ipc_message_macros.h"
#include "ipc/ipc_message_utils.h"
#if defined(OS_WIN)
#include "content/public/common/sandbox_init.h"
#endif // OS_WIN
using media::VideoDecodeAccelerator;
namespace content {
GpuVideoDecodeAcceleratorHost::GpuVideoDecodeAcceleratorHost(
GpuChannelHost* channel,
CommandBufferProxyImpl* impl)
: channel_(channel),
decoder_route_id_(MSG_ROUTING_NONE),
client_(NULL),
impl_(impl),
weak_this_factory_(this) {
DCHECK(channel_);
DCHECK(impl_);
impl_->AddDeletionObserver(this);
}
GpuVideoDecodeAcceleratorHost::~GpuVideoDecodeAcceleratorHost() {
DCHECK(CalledOnValidThread());
if (channel_ && decoder_route_id_ != MSG_ROUTING_NONE)
channel_->RemoveRoute(decoder_route_id_);
if (impl_)
impl_->RemoveDeletionObserver(this);
}
bool GpuVideoDecodeAcceleratorHost::OnMessageReceived(const IPC::Message& msg) {
DCHECK(CalledOnValidThread());
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(GpuVideoDecodeAcceleratorHost, msg)
IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
OnBitstreamBufferProcessed)
IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
OnProvidePictureBuffer)
IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderHostMsg_PictureReady,
OnPictureReady)
IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderHostMsg_FlushDone,
OnFlushDone)
IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderHostMsg_ResetDone,
OnResetDone)
IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderHostMsg_ErrorNotification,
OnNotifyError)
IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
OnDismissPictureBuffer)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
DCHECK(handled);
// See OnNotifyError for why |this| mustn't be used after OnNotifyError might
// have been called above.
return handled;
}
void GpuVideoDecodeAcceleratorHost::OnChannelError() {
DCHECK(CalledOnValidThread());
if (channel_) {
if (decoder_route_id_ != MSG_ROUTING_NONE)
channel_->RemoveRoute(decoder_route_id_);
channel_ = NULL;
}
DLOG(ERROR) << "OnChannelError()";
PostNotifyError(PLATFORM_FAILURE);
}
bool GpuVideoDecodeAcceleratorHost::Initialize(media::VideoCodecProfile profile,
Client* client) {
DCHECK(CalledOnValidThread());
client_ = client;
if (!impl_)
return false;
int32 route_id = channel_->GenerateRouteID();
channel_->AddRoute(route_id, weak_this_factory_.GetWeakPtr());
bool succeeded = false;
Send(new GpuCommandBufferMsg_CreateVideoDecoder(
impl_->GetRouteID(), profile, route_id, &succeeded));
if (!succeeded) {
DLOG(ERROR) << "Send(GpuCommandBufferMsg_CreateVideoDecoder()) failed";
PostNotifyError(PLATFORM_FAILURE);
channel_->RemoveRoute(route_id);
return false;
}
decoder_route_id_ = route_id;
return true;
}
void GpuVideoDecodeAcceleratorHost::Decode(
const media::BitstreamBuffer& bitstream_buffer) {
DCHECK(CalledOnValidThread());
if (!channel_)
return;
base::SharedMemoryHandle handle = channel_->ShareToGpuProcess(
bitstream_buffer.handle());
if (!base::SharedMemory::IsHandleValid(handle)) {
NOTREACHED() << "Failed to duplicate buffer handler";
return;
}
Send(new AcceleratedVideoDecoderMsg_Decode(
decoder_route_id_, handle, bitstream_buffer.id(),
bitstream_buffer.size()));
}
void GpuVideoDecodeAcceleratorHost::AssignPictureBuffers(
const std::vector<media::PictureBuffer>& buffers) {
DCHECK(CalledOnValidThread());
if (!channel_)
return;
// Rearrange data for IPC command.
std::vector<int32> buffer_ids;
std::vector<uint32> texture_ids;
for (uint32 i = 0; i < buffers.size(); i++) {
const media::PictureBuffer& buffer = buffers[i];
if (buffer.size() != picture_buffer_dimensions_) {
DLOG(ERROR) << "buffer.size() invalid: expected "
<< picture_buffer_dimensions_.ToString()
<< ", got " << buffer.size().ToString();
PostNotifyError(INVALID_ARGUMENT);
return;
}
texture_ids.push_back(buffer.texture_id());
buffer_ids.push_back(buffer.id());
}
Send(new AcceleratedVideoDecoderMsg_AssignPictureBuffers(
decoder_route_id_, buffer_ids, texture_ids));
}
void GpuVideoDecodeAcceleratorHost::ReusePictureBuffer(
int32 picture_buffer_id) {
DCHECK(CalledOnValidThread());
if (!channel_)
return;
Send(new AcceleratedVideoDecoderMsg_ReusePictureBuffer(
decoder_route_id_, picture_buffer_id));
}
void GpuVideoDecodeAcceleratorHost::Flush() {
DCHECK(CalledOnValidThread());
if (!channel_)
return;
Send(new AcceleratedVideoDecoderMsg_Flush(decoder_route_id_));
}
void GpuVideoDecodeAcceleratorHost::Reset() {
DCHECK(CalledOnValidThread());
if (!channel_)
return;
Send(new AcceleratedVideoDecoderMsg_Reset(decoder_route_id_));
}
void GpuVideoDecodeAcceleratorHost::Destroy() {
DCHECK(CalledOnValidThread());
if (channel_)
Send(new AcceleratedVideoDecoderMsg_Destroy(decoder_route_id_));
client_ = NULL;
delete this;
}
void GpuVideoDecodeAcceleratorHost::OnWillDeleteImpl() {
DCHECK(CalledOnValidThread());
impl_ = NULL;
// The CommandBufferProxyImpl is going away; error out this VDA.
OnChannelError();
}
void GpuVideoDecodeAcceleratorHost::PostNotifyError(Error error) {
DCHECK(CalledOnValidThread());
DVLOG(2) << "PostNotifyError(): error=" << error;
base::MessageLoopProxy::current()->PostTask(
FROM_HERE,
base::Bind(&GpuVideoDecodeAcceleratorHost::OnNotifyError,
weak_this_factory_.GetWeakPtr(),
error));
}
void GpuVideoDecodeAcceleratorHost::Send(IPC::Message* message) {
DCHECK(CalledOnValidThread());
uint32 message_type = message->type();
if (!channel_->Send(message)) {
DLOG(ERROR) << "Send(" << message_type << ") failed";
PostNotifyError(PLATFORM_FAILURE);
}
}
void GpuVideoDecodeAcceleratorHost::OnBitstreamBufferProcessed(
int32 bitstream_buffer_id) {
DCHECK(CalledOnValidThread());
if (client_)
client_->NotifyEndOfBitstreamBuffer(bitstream_buffer_id);
}
void GpuVideoDecodeAcceleratorHost::OnProvidePictureBuffer(
uint32 num_requested_buffers,
const gfx::Size& dimensions,
uint32 texture_target) {
DCHECK(CalledOnValidThread());
picture_buffer_dimensions_ = dimensions;
if (client_) {
client_->ProvidePictureBuffers(
num_requested_buffers, dimensions, texture_target);
}
}
void GpuVideoDecodeAcceleratorHost::OnDismissPictureBuffer(
int32 picture_buffer_id) {
DCHECK(CalledOnValidThread());
if (client_)
client_->DismissPictureBuffer(picture_buffer_id);
}
void GpuVideoDecodeAcceleratorHost::OnPictureReady(
int32 picture_buffer_id,
int32 bitstream_buffer_id,
const gfx::Rect& visible_rect,
bool allow_overlay) {
DCHECK(CalledOnValidThread());
if (!client_)
return;
media::Picture picture(picture_buffer_id, bitstream_buffer_id, visible_rect,
allow_overlay);
client_->PictureReady(picture);
}
void GpuVideoDecodeAcceleratorHost::OnFlushDone() {
DCHECK(CalledOnValidThread());
if (client_)
client_->NotifyFlushDone();
}
void GpuVideoDecodeAcceleratorHost::OnResetDone() {
DCHECK(CalledOnValidThread());
if (client_)
client_->NotifyResetDone();
}
void GpuVideoDecodeAcceleratorHost::OnNotifyError(uint32 error) {
DCHECK(CalledOnValidThread());
if (!client_)
return;
weak_this_factory_.InvalidateWeakPtrs();
// Client::NotifyError() may Destroy() |this|, so calling it needs to be the
// last thing done on this stack!
media::VideoDecodeAccelerator::Client* client = NULL;
std::swap(client, client_);
client->NotifyError(static_cast<media::VideoDecodeAccelerator::Error>(error));
}
} // namespace content