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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 "content/renderer/gpu/gpu_video_decode_accelerator_host.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "content/common/gpu/gpu_messages.h"
#include "content/common/view_messages.h"
#include "content/renderer/gpu/gpu_channel_host.h"
#include "content/renderer/render_thread_impl.h"
#include "ipc/ipc_message_macros.h"
#include "ipc/ipc_message_utils.h"
using media::VideoDecodeAccelerator;
GpuVideoDecodeAcceleratorHost::GpuVideoDecodeAcceleratorHost(
GpuChannelHost* channel,
int32 decoder_route_id,
VideoDecodeAccelerator::Client* client)
: channel_(channel),
decoder_route_id_(decoder_route_id),
client_(client) {
DCHECK(channel_);
DCHECK(client_);
}
GpuVideoDecodeAcceleratorHost::~GpuVideoDecodeAcceleratorHost() {}
void GpuVideoDecodeAcceleratorHost::OnChannelError() {
OnErrorNotification(PLATFORM_FAILURE);
channel_ = NULL;
}
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,
OnErrorNotification)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
DCHECK(handled);
return handled;
}
bool GpuVideoDecodeAcceleratorHost::Initialize(Profile profile) {
NOTREACHED();
return true;
}
void GpuVideoDecodeAcceleratorHost::Decode(
const media::BitstreamBuffer& bitstream_buffer) {
DCHECK(CalledOnValidThread());
Send(new AcceleratedVideoDecoderMsg_Decode(
decoder_route_id_, bitstream_buffer.handle(),
bitstream_buffer.id(), bitstream_buffer.size()));
}
void GpuVideoDecodeAcceleratorHost::AssignPictureBuffers(
const std::vector<media::PictureBuffer>& buffers) {
DCHECK(CalledOnValidThread());
// Rearrange data for IPC command.
std::vector<int32> buffer_ids;
std::vector<uint32> texture_ids;
std::vector<gfx::Size> sizes;
for (uint32 i = 0; i < buffers.size(); i++) {
const media::PictureBuffer& buffer = buffers[i];
texture_ids.push_back(buffer.texture_id());
buffer_ids.push_back(buffer.id());
sizes.push_back(buffer.size());
}
Send(new AcceleratedVideoDecoderMsg_AssignPictureBuffers(
decoder_route_id_, buffer_ids, texture_ids, sizes));
}
void GpuVideoDecodeAcceleratorHost::ReusePictureBuffer(
int32 picture_buffer_id) {
DCHECK(CalledOnValidThread());
Send(new AcceleratedVideoDecoderMsg_ReusePictureBuffer(
decoder_route_id_, picture_buffer_id));
}
void GpuVideoDecodeAcceleratorHost::Flush() {
DCHECK(CalledOnValidThread());
Send(new AcceleratedVideoDecoderMsg_Flush(decoder_route_id_));
}
void GpuVideoDecodeAcceleratorHost::Reset() {
DCHECK(CalledOnValidThread());
Send(new AcceleratedVideoDecoderMsg_Reset(decoder_route_id_));
}
void GpuVideoDecodeAcceleratorHost::Destroy() {
DCHECK(CalledOnValidThread());
channel_->RemoveRoute(decoder_route_id_);
client_ = NULL;
Send(new AcceleratedVideoDecoderMsg_Destroy(decoder_route_id_));
}
void GpuVideoDecodeAcceleratorHost::Send(IPC::Message* message) {
// After OnChannelError is called, the client should no longer send
// messages to the gpu channel through this object.
DCHECK(channel_);
if (!channel_ || !channel_->Send(message)) {
DLOG(ERROR) << "Send(" << message->type() << ") failed";
OnErrorNotification(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& buffer_size) {
DCHECK(CalledOnValidThread());
if (client_)
client_->ProvidePictureBuffers(num_requested_buffers, buffer_size);
}
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) {
DCHECK(CalledOnValidThread());
if (!client_)
return;
media::Picture picture(picture_buffer_id, bitstream_buffer_id);
client_->PictureReady(picture);
}
void GpuVideoDecodeAcceleratorHost::OnFlushDone() {
DCHECK(CalledOnValidThread());
if (client_)
client_->NotifyFlushDone();
}
void GpuVideoDecodeAcceleratorHost::OnResetDone() {
DCHECK(CalledOnValidThread());
if (client_)
client_->NotifyResetDone();
}
void GpuVideoDecodeAcceleratorHost::OnErrorNotification(uint32 error) {
DCHECK(CalledOnValidThread());
if (!client_)
return;
client_->NotifyError(
static_cast<media::VideoDecodeAccelerator::Error>(error));
}
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