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// Copyright (c) 2011 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/pepper_platform_video_decoder_impl.h"
#include <vector>
#include "base/bind.h"
#include "base/logging.h"
#include "content/common/child_process.h"
#include "content/renderer/gpu/gpu_channel_host.h"
#include "content/renderer/render_thread.h"
using media::BitstreamBuffer;
PlatformVideoDecoderImpl::PlatformVideoDecoderImpl(
VideoDecodeAccelerator::Client* client,
int32 command_buffer_route_id,
gpu::CommandBufferHelper* cmd_buffer_helper)
: client_(client),
command_buffer_route_id_(command_buffer_route_id),
cmd_buffer_helper_(cmd_buffer_helper) {
DCHECK(client);
}
PlatformVideoDecoderImpl::~PlatformVideoDecoderImpl() {}
bool PlatformVideoDecoderImpl::Initialize(const std::vector<uint32>& configs) {
// TODO(vrk): Support multiple decoders.
if (decoder_)
return true;
RenderThread* render_thread = RenderThread::current();
DCHECK(render_thread);
// This is not synchronous, but subsequent IPC messages will be buffered, so
// it is okay to immediately send IPC messages through the returned channel.
GpuChannelHost* channel =
render_thread->EstablishGpuChannelSync(
content::CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
if (!channel)
return false;
DCHECK_EQ(channel->state(), GpuChannelHost::kConnected);
// Send IPC message to initialize decoder in GPU process.
decoder_ = channel->CreateVideoDecoder(
command_buffer_route_id_, configs, cmd_buffer_helper_, this);
return true;
}
void PlatformVideoDecoderImpl::Decode(const BitstreamBuffer& bitstream_buffer) {
DCHECK(decoder_);
decoder_->Decode(bitstream_buffer);
}
void PlatformVideoDecoderImpl::AssignPictureBuffers(
const std::vector<media::PictureBuffer>& buffers) {
DCHECK(decoder_);
decoder_->AssignPictureBuffers(buffers);
}
void PlatformVideoDecoderImpl::ReusePictureBuffer(
int32 picture_buffer_id) {
DCHECK(decoder_);
decoder_->ReusePictureBuffer(picture_buffer_id);
}
void PlatformVideoDecoderImpl::Flush() {
DCHECK(decoder_);
decoder_->Flush();
}
void PlatformVideoDecoderImpl::Reset() {
DCHECK(decoder_);
decoder_->Reset();
}
void PlatformVideoDecoderImpl::Destroy() {
DCHECK(decoder_);
decoder_->Destroy();
}
void PlatformVideoDecoderImpl::NotifyEndOfStream() {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->NotifyEndOfStream();
}
void PlatformVideoDecoderImpl::NotifyError(
VideoDecodeAccelerator::Error error) {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->NotifyError(error);
}
void PlatformVideoDecoderImpl::ProvidePictureBuffers(
uint32 requested_num_of_buffers,
const gfx::Size& dimensions) {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->ProvidePictureBuffers(requested_num_of_buffers, dimensions);
}
void PlatformVideoDecoderImpl::DismissPictureBuffer(int32 picture_buffer_id) {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->DismissPictureBuffer(picture_buffer_id);
}
void PlatformVideoDecoderImpl::PictureReady(const media::Picture& picture) {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->PictureReady(picture);
}
void PlatformVideoDecoderImpl::NotifyInitializeDone() {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->NotifyInitializeDone();
}
void PlatformVideoDecoderImpl::NotifyEndOfBitstreamBuffer(
int32 bitstream_buffer_id) {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->NotifyEndOfBitstreamBuffer(bitstream_buffer_id);
}
void PlatformVideoDecoderImpl::NotifyFlushDone() {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->NotifyFlushDone();
}
void PlatformVideoDecoderImpl::NotifyResetDone() {
DCHECK_EQ(RenderThread::current()->message_loop(), MessageLoop::current());
client_->NotifyResetDone();
}
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