| // 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/media/gpu_video_decode_accelerator.h" |
| |
| #include <vector> |
| |
| #include "base/bind.h" |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/message_loop/message_loop_proxy.h" |
| #include "base/stl_util.h" |
| |
| #include "content/common/gpu/gpu_channel.h" |
| #include "content/common/gpu/gpu_messages.h" |
| #include "content/public/common/content_switches.h" |
| #include "gpu/command_buffer/common/command_buffer.h" |
| #include "ipc/ipc_message_macros.h" |
| #include "ipc/ipc_message_utils.h" |
| #include "ipc/message_filter.h" |
| #include "media/base/limits.h" |
| #include "ui/gl/gl_context.h" |
| #include "ui/gl/gl_surface_egl.h" |
| |
| #if defined(OS_WIN) |
| #include "base/win/windows_version.h" |
| #include "content/common/gpu/media/dxva_video_decode_accelerator.h" |
| #elif defined(OS_MACOSX) |
| #include "content/common/gpu/media/vt_video_decode_accelerator.h" |
| #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11) |
| #include "content/common/gpu/media/v4l2_video_decode_accelerator.h" |
| #include "content/common/gpu/media/v4l2_video_device.h" |
| #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11) |
| #include "content/common/gpu/media/vaapi_video_decode_accelerator.h" |
| #include "ui/gl/gl_context_glx.h" |
| #include "ui/gl/gl_implementation.h" |
| #elif defined(USE_OZONE) |
| #include "media/ozone/media_ozone_platform.h" |
| #elif defined(OS_ANDROID) |
| #include "content/common/gpu/media/android_video_decode_accelerator.h" |
| #endif |
| |
| #include "ui/gfx/size.h" |
| |
| namespace content { |
| |
| static bool MakeDecoderContextCurrent( |
| const base::WeakPtr<GpuCommandBufferStub> stub) { |
| if (!stub) { |
| DLOG(ERROR) << "Stub is gone; won't MakeCurrent()."; |
| return false; |
| } |
| |
| if (!stub->decoder()->MakeCurrent()) { |
| DLOG(ERROR) << "Failed to MakeCurrent()"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // DebugAutoLock works like AutoLock but only acquires the lock when |
| // DCHECK is on. |
| #if DCHECK_IS_ON |
| typedef base::AutoLock DebugAutoLock; |
| #else |
| class DebugAutoLock { |
| public: |
| explicit DebugAutoLock(base::Lock&) {} |
| }; |
| #endif |
| |
| class GpuVideoDecodeAccelerator::MessageFilter : public IPC::MessageFilter { |
| public: |
| MessageFilter(GpuVideoDecodeAccelerator* owner, int32 host_route_id) |
| : owner_(owner), host_route_id_(host_route_id) {} |
| |
| virtual void OnChannelError() OVERRIDE { sender_ = NULL; } |
| |
| virtual void OnChannelClosing() OVERRIDE { sender_ = NULL; } |
| |
| virtual void OnFilterAdded(IPC::Sender* sender) OVERRIDE { |
| sender_ = sender; |
| } |
| |
| virtual void OnFilterRemoved() OVERRIDE { |
| // This will delete |owner_| and |this|. |
| owner_->OnFilterRemoved(); |
| } |
| |
| virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE { |
| if (msg.routing_id() != host_route_id_) |
| return false; |
| |
| IPC_BEGIN_MESSAGE_MAP(MessageFilter, msg) |
| IPC_MESSAGE_FORWARD(AcceleratedVideoDecoderMsg_Decode, owner_, |
| GpuVideoDecodeAccelerator::OnDecode) |
| IPC_MESSAGE_UNHANDLED(return false;) |
| IPC_END_MESSAGE_MAP() |
| return true; |
| } |
| |
| bool SendOnIOThread(IPC::Message* message) { |
| DCHECK(!message->is_sync()); |
| if (!sender_) { |
| delete message; |
| return false; |
| } |
| return sender_->Send(message); |
| } |
| |
| protected: |
| virtual ~MessageFilter() {} |
| |
| private: |
| GpuVideoDecodeAccelerator* owner_; |
| int32 host_route_id_; |
| // The sender to which this filter was added. |
| IPC::Sender* sender_; |
| }; |
| |
| GpuVideoDecodeAccelerator::GpuVideoDecodeAccelerator( |
| int32 host_route_id, |
| GpuCommandBufferStub* stub, |
| const scoped_refptr<base::MessageLoopProxy>& io_message_loop) |
| : host_route_id_(host_route_id), |
| stub_(stub), |
| texture_target_(0), |
| filter_removed_(true, false), |
| io_message_loop_(io_message_loop), |
| weak_factory_for_io_(this) { |
| DCHECK(stub_); |
| stub_->AddDestructionObserver(this); |
| child_message_loop_ = base::MessageLoopProxy::current(); |
| make_context_current_ = |
| base::Bind(&MakeDecoderContextCurrent, stub_->AsWeakPtr()); |
| } |
| |
| GpuVideoDecodeAccelerator::~GpuVideoDecodeAccelerator() { |
| // This class can only be self-deleted from OnWillDestroyStub(), which means |
| // the VDA has already been destroyed in there. |
| DCHECK(!video_decode_accelerator_); |
| } |
| |
| bool GpuVideoDecodeAccelerator::OnMessageReceived(const IPC::Message& msg) { |
| if (!video_decode_accelerator_) |
| return false; |
| |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(GpuVideoDecodeAccelerator, msg) |
| IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_Decode, OnDecode) |
| IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_AssignPictureBuffers, |
| OnAssignPictureBuffers) |
| IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_ReusePictureBuffer, |
| OnReusePictureBuffer) |
| IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_Flush, OnFlush) |
| IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_Reset, OnReset) |
| IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_Destroy, OnDestroy) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| void GpuVideoDecodeAccelerator::ProvidePictureBuffers( |
| uint32 requested_num_of_buffers, |
| const gfx::Size& dimensions, |
| uint32 texture_target) { |
| if (dimensions.width() > media::limits::kMaxDimension || |
| dimensions.height() > media::limits::kMaxDimension || |
| dimensions.GetArea() > media::limits::kMaxCanvas) { |
| NotifyError(media::VideoDecodeAccelerator::PLATFORM_FAILURE); |
| return; |
| } |
| if (!Send(new AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers( |
| host_route_id_, |
| requested_num_of_buffers, |
| dimensions, |
| texture_target))) { |
| DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers) " |
| << "failed"; |
| } |
| texture_dimensions_ = dimensions; |
| texture_target_ = texture_target; |
| } |
| |
| void GpuVideoDecodeAccelerator::DismissPictureBuffer( |
| int32 picture_buffer_id) { |
| // Notify client that picture buffer is now unused. |
| if (!Send(new AcceleratedVideoDecoderHostMsg_DismissPictureBuffer( |
| host_route_id_, picture_buffer_id))) { |
| DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer) " |
| << "failed"; |
| } |
| DebugAutoLock auto_lock(debug_uncleared_textures_lock_); |
| uncleared_textures_.erase(picture_buffer_id); |
| } |
| |
| void GpuVideoDecodeAccelerator::PictureReady( |
| const media::Picture& picture) { |
| // VDA may call PictureReady on IO thread. SetTextureCleared should run on |
| // the child thread. VDA is responsible to call PictureReady on the child |
| // thread when a picture buffer is delivered the first time. |
| if (child_message_loop_->BelongsToCurrentThread()) { |
| SetTextureCleared(picture); |
| } else { |
| DCHECK(io_message_loop_->BelongsToCurrentThread()); |
| DebugAutoLock auto_lock(debug_uncleared_textures_lock_); |
| DCHECK_EQ(0u, uncleared_textures_.count(picture.picture_buffer_id())); |
| } |
| |
| if (!Send(new AcceleratedVideoDecoderHostMsg_PictureReady( |
| host_route_id_, |
| picture.picture_buffer_id(), |
| picture.bitstream_buffer_id(), |
| picture.visible_rect()))) { |
| DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_PictureReady) failed"; |
| } |
| } |
| |
| void GpuVideoDecodeAccelerator::NotifyError( |
| media::VideoDecodeAccelerator::Error error) { |
| if (!Send(new AcceleratedVideoDecoderHostMsg_ErrorNotification( |
| host_route_id_, error))) { |
| DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ErrorNotification) " |
| << "failed"; |
| } |
| } |
| |
| void GpuVideoDecodeAccelerator::Initialize( |
| const media::VideoCodecProfile profile, |
| IPC::Message* init_done_msg) { |
| DCHECK(!video_decode_accelerator_.get()); |
| |
| if (!stub_->channel()->AddRoute(host_route_id_, this)) { |
| DLOG(ERROR) << "GpuVideoDecodeAccelerator::Initialize(): " |
| "failed to add route"; |
| SendCreateDecoderReply(init_done_msg, false); |
| } |
| |
| #if !defined(OS_WIN) |
| // Ensure we will be able to get a GL context at all before initializing |
| // non-Windows VDAs. |
| if (!make_context_current_.Run()) { |
| SendCreateDecoderReply(init_done_msg, false); |
| return; |
| } |
| #endif |
| |
| #if defined(OS_WIN) |
| if (base::win::GetVersion() < base::win::VERSION_WIN7) { |
| NOTIMPLEMENTED() << "HW video decode acceleration not available."; |
| SendCreateDecoderReply(init_done_msg, false); |
| return; |
| } |
| DVLOG(0) << "Initializing DXVA HW decoder for windows."; |
| video_decode_accelerator_.reset( |
| new DXVAVideoDecodeAccelerator(make_context_current_)); |
| #elif defined(OS_MACOSX) |
| video_decode_accelerator_.reset(new VTVideoDecodeAccelerator( |
| static_cast<CGLContextObj>( |
| stub_->decoder()->GetGLContext()->GetHandle()))); |
| #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11) |
| scoped_ptr<V4L2Device> device = V4L2Device::Create(V4L2Device::kDecoder); |
| if (!device.get()) { |
| SendCreateDecoderReply(init_done_msg, false); |
| return; |
| } |
| video_decode_accelerator_.reset(new V4L2VideoDecodeAccelerator( |
| gfx::GLSurfaceEGL::GetHardwareDisplay(), |
| stub_->decoder()->GetGLContext()->GetHandle(), |
| weak_factory_for_io_.GetWeakPtr(), |
| make_context_current_, |
| device.Pass(), |
| io_message_loop_)); |
| #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11) |
| if (gfx::GetGLImplementation() != gfx::kGLImplementationDesktopGL) { |
| VLOG(1) << "HW video decode acceleration not available without " |
| "DesktopGL (GLX)."; |
| SendCreateDecoderReply(init_done_msg, false); |
| return; |
| } |
| gfx::GLContextGLX* glx_context = |
| static_cast<gfx::GLContextGLX*>(stub_->decoder()->GetGLContext()); |
| video_decode_accelerator_.reset(new VaapiVideoDecodeAccelerator( |
| glx_context->display(), make_context_current_)); |
| #elif defined(USE_OZONE) |
| media::MediaOzonePlatform* platform = |
| media::MediaOzonePlatform::GetInstance(); |
| video_decode_accelerator_.reset(platform->CreateVideoDecodeAccelerator( |
| make_context_current_)); |
| if (!video_decode_accelerator_) { |
| SendCreateDecoderReply(init_done_msg, false); |
| return; |
| } |
| #elif defined(OS_ANDROID) |
| video_decode_accelerator_.reset(new AndroidVideoDecodeAccelerator( |
| stub_->decoder()->AsWeakPtr(), |
| make_context_current_)); |
| #else |
| NOTIMPLEMENTED() << "HW video decode acceleration not available."; |
| SendCreateDecoderReply(init_done_msg, false); |
| return; |
| #endif |
| |
| if (video_decode_accelerator_->CanDecodeOnIOThread()) { |
| filter_ = new MessageFilter(this, host_route_id_); |
| stub_->channel()->AddFilter(filter_.get()); |
| } |
| |
| if (!video_decode_accelerator_->Initialize(profile, this)) { |
| SendCreateDecoderReply(init_done_msg, false); |
| return; |
| } |
| |
| SendCreateDecoderReply(init_done_msg, true); |
| } |
| |
| // Runs on IO thread if video_decode_accelerator_->CanDecodeOnIOThread() is |
| // true, otherwise on the main thread. |
| void GpuVideoDecodeAccelerator::OnDecode( |
| base::SharedMemoryHandle handle, int32 id, uint32 size) { |
| DCHECK(video_decode_accelerator_.get()); |
| if (id < 0) { |
| DLOG(ERROR) << "BitstreamBuffer id " << id << " out of range"; |
| if (child_message_loop_->BelongsToCurrentThread()) { |
| NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT); |
| } else { |
| child_message_loop_->PostTask( |
| FROM_HERE, |
| base::Bind(&GpuVideoDecodeAccelerator::NotifyError, |
| base::Unretained(this), |
| media::VideoDecodeAccelerator::INVALID_ARGUMENT)); |
| } |
| return; |
| } |
| video_decode_accelerator_->Decode(media::BitstreamBuffer(id, handle, size)); |
| } |
| |
| void GpuVideoDecodeAccelerator::OnAssignPictureBuffers( |
| const std::vector<int32>& buffer_ids, |
| const std::vector<uint32>& texture_ids) { |
| if (buffer_ids.size() != texture_ids.size()) { |
| NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT); |
| return; |
| } |
| |
| gpu::gles2::GLES2Decoder* command_decoder = stub_->decoder(); |
| gpu::gles2::TextureManager* texture_manager = |
| command_decoder->GetContextGroup()->texture_manager(); |
| |
| std::vector<media::PictureBuffer> buffers; |
| std::vector<scoped_refptr<gpu::gles2::TextureRef> > textures; |
| for (uint32 i = 0; i < buffer_ids.size(); ++i) { |
| if (buffer_ids[i] < 0) { |
| DLOG(ERROR) << "Buffer id " << buffer_ids[i] << " out of range"; |
| NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT); |
| return; |
| } |
| gpu::gles2::TextureRef* texture_ref = texture_manager->GetTexture( |
| texture_ids[i]); |
| if (!texture_ref) { |
| DLOG(ERROR) << "Failed to find texture id " << texture_ids[i]; |
| NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT); |
| return; |
| } |
| gpu::gles2::Texture* info = texture_ref->texture(); |
| if (info->target() != texture_target_) { |
| DLOG(ERROR) << "Texture target mismatch for texture id " |
| << texture_ids[i]; |
| NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT); |
| return; |
| } |
| if (texture_target_ == GL_TEXTURE_EXTERNAL_OES || |
| texture_target_ == GL_TEXTURE_RECTANGLE) { |
| // These textures have their dimensions defined by the underlying storage. |
| // Use |texture_dimensions_| for this size. |
| texture_manager->SetLevelInfo(texture_ref, |
| texture_target_, |
| 0, |
| 0, |
| texture_dimensions_.width(), |
| texture_dimensions_.height(), |
| 1, |
| 0, |
| 0, |
| 0, |
| false); |
| } else { |
| // For other targets, texture dimensions should already be defined. |
| GLsizei width = 0, height = 0; |
| info->GetLevelSize(texture_target_, 0, &width, &height); |
| if (width != texture_dimensions_.width() || |
| height != texture_dimensions_.height()) { |
| DLOG(ERROR) << "Size mismatch for texture id " << texture_ids[i]; |
| NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT); |
| return; |
| } |
| } |
| uint32 service_texture_id; |
| if (!command_decoder->GetServiceTextureId( |
| texture_ids[i], &service_texture_id)) { |
| DLOG(ERROR) << "Failed to translate texture!"; |
| NotifyError(media::VideoDecodeAccelerator::PLATFORM_FAILURE); |
| return; |
| } |
| buffers.push_back(media::PictureBuffer( |
| buffer_ids[i], texture_dimensions_, service_texture_id)); |
| textures.push_back(texture_ref); |
| } |
| video_decode_accelerator_->AssignPictureBuffers(buffers); |
| DebugAutoLock auto_lock(debug_uncleared_textures_lock_); |
| for (uint32 i = 0; i < buffer_ids.size(); ++i) |
| uncleared_textures_[buffer_ids[i]] = textures[i]; |
| } |
| |
| void GpuVideoDecodeAccelerator::OnReusePictureBuffer( |
| int32 picture_buffer_id) { |
| DCHECK(video_decode_accelerator_.get()); |
| video_decode_accelerator_->ReusePictureBuffer(picture_buffer_id); |
| } |
| |
| void GpuVideoDecodeAccelerator::OnFlush() { |
| DCHECK(video_decode_accelerator_.get()); |
| video_decode_accelerator_->Flush(); |
| } |
| |
| void GpuVideoDecodeAccelerator::OnReset() { |
| DCHECK(video_decode_accelerator_.get()); |
| video_decode_accelerator_->Reset(); |
| } |
| |
| void GpuVideoDecodeAccelerator::OnDestroy() { |
| DCHECK(video_decode_accelerator_.get()); |
| OnWillDestroyStub(); |
| } |
| |
| void GpuVideoDecodeAccelerator::OnFilterRemoved() { |
| // We're destroying; cancel all callbacks. |
| weak_factory_for_io_.InvalidateWeakPtrs(); |
| filter_removed_.Signal(); |
| } |
| |
| void GpuVideoDecodeAccelerator::NotifyEndOfBitstreamBuffer( |
| int32 bitstream_buffer_id) { |
| if (!Send(new AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed( |
| host_route_id_, bitstream_buffer_id))) { |
| DLOG(ERROR) |
| << "Send(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed) " |
| << "failed"; |
| } |
| } |
| |
| void GpuVideoDecodeAccelerator::NotifyFlushDone() { |
| if (!Send(new AcceleratedVideoDecoderHostMsg_FlushDone(host_route_id_))) |
| DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_FlushDone) failed"; |
| } |
| |
| void GpuVideoDecodeAccelerator::NotifyResetDone() { |
| if (!Send(new AcceleratedVideoDecoderHostMsg_ResetDone(host_route_id_))) |
| DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ResetDone) failed"; |
| } |
| |
| void GpuVideoDecodeAccelerator::OnWillDestroyStub() { |
| // The stub is going away, so we have to stop and destroy VDA here, before |
| // returning, because the VDA may need the GL context to run and/or do its |
| // cleanup. We cannot destroy the VDA before the IO thread message filter is |
| // removed however, since we cannot service incoming messages with VDA gone. |
| // We cannot simply check for existence of VDA on IO thread though, because |
| // we don't want to synchronize the IO thread with the ChildThread. |
| // So we have to wait for the RemoveFilter callback here instead and remove |
| // the VDA after it arrives and before returning. |
| if (filter_.get()) { |
| stub_->channel()->RemoveFilter(filter_.get()); |
| filter_removed_.Wait(); |
| } |
| |
| stub_->channel()->RemoveRoute(host_route_id_); |
| stub_->RemoveDestructionObserver(this); |
| |
| video_decode_accelerator_.reset(); |
| delete this; |
| } |
| |
| void GpuVideoDecodeAccelerator::SetTextureCleared( |
| const media::Picture& picture) { |
| DCHECK(child_message_loop_->BelongsToCurrentThread()); |
| DebugAutoLock auto_lock(debug_uncleared_textures_lock_); |
| std::map<int32, scoped_refptr<gpu::gles2::TextureRef> >::iterator it; |
| it = uncleared_textures_.find(picture.picture_buffer_id()); |
| if (it == uncleared_textures_.end()) |
| return; // the texture has been cleared |
| |
| scoped_refptr<gpu::gles2::TextureRef> texture_ref = it->second; |
| GLenum target = texture_ref->texture()->target(); |
| gpu::gles2::TextureManager* texture_manager = |
| stub_->decoder()->GetContextGroup()->texture_manager(); |
| DCHECK(!texture_ref->texture()->IsLevelCleared(target, 0)); |
| texture_manager->SetLevelCleared(texture_ref, target, 0, true); |
| uncleared_textures_.erase(it); |
| } |
| |
| bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) { |
| if (filter_.get() && io_message_loop_->BelongsToCurrentThread()) |
| return filter_->SendOnIOThread(message); |
| DCHECK(child_message_loop_->BelongsToCurrentThread()); |
| return stub_->channel()->Send(message); |
| } |
| |
| void GpuVideoDecodeAccelerator::SendCreateDecoderReply(IPC::Message* message, |
| bool succeeded) { |
| GpuCommandBufferMsg_CreateVideoDecoder::WriteReplyParams(message, succeeded); |
| Send(message); |
| } |
| |
| } // namespace content |