content/common/gpu/media/gpu_video_decode_accelerator.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/common/gpu/media/gpu_video_decode_accelerator.h"
   6
   7 #include <vector>
   8
   9 #include "base/bind.h"
  10 #include "base/command_line.h"
  11 #include "base/logging.h"
  12 #include "base/message_loop/message_loop_proxy.h"
  13 #include "base/stl_util.h"
  14
  15 #include "content/common/gpu/gpu_channel.h"
  16 #include "content/common/gpu/gpu_messages.h"
  17 #include "content/public/common/content_switches.h"
  18 #include "gpu/command_buffer/common/command_buffer.h"
  19 #include "ipc/ipc_message_macros.h"
  20 #include "ipc/ipc_message_utils.h"
  21 #include "ipc/message_filter.h"
  22 #include "media/base/limits.h"
  23 #include "ui/gl/gl_context.h"
  24 #include "ui/gl/gl_surface_egl.h"
  25
  26 #if defined(OS_WIN)
  27 #include "base/win/windows_version.h"
  28 #include "content/common/gpu/media/dxva_video_decode_accelerator.h"
  29 #elif defined(OS_MACOSX)
  30 #include "content/common/gpu/media/vt_video_decode_accelerator.h"
  31 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
  32 #include "content/common/gpu/media/v4l2_video_decode_accelerator.h"
  33 #include "content/common/gpu/media/v4l2_video_device.h"
  34 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
  35 #include "content/common/gpu/media/vaapi_video_decode_accelerator.h"
  36 #include "ui/gl/gl_context_glx.h"
  37 #include "ui/gl/gl_implementation.h"
  38 #elif defined(USE_OZONE)
  39 #include "media/ozone/media_ozone_platform.h"
  40 #elif defined(OS_ANDROID)
  41 #include "content/common/gpu/media/android_video_decode_accelerator.h"
  42 #endif
  43
  44 #include "ui/gfx/size.h"
  45
  46 namespace content {
  47
  48 static bool MakeDecoderContextCurrent(
  49     const base::WeakPtr<GpuCommandBufferStub> stub) {
  50   if (!stub) {
  51     DLOG(ERROR) << "Stub is gone; won't MakeCurrent().";
  52     return false;
  53   }
  54
  55   if (!stub->decoder()->MakeCurrent()) {
  56     DLOG(ERROR) << "Failed to MakeCurrent()";
  57     return false;
  58   }
  59
  60   return true;
  61 }
  62
  63 // DebugAutoLock works like AutoLock but only acquires the lock when
  64 // DCHECK is on.
  65 #if DCHECK_IS_ON
  66 typedef base::AutoLock DebugAutoLock;
  67 #else
  68 class DebugAutoLock {
  69  public:
  70   explicit DebugAutoLock(base::Lock&) {}
  71 };
  72 #endif
  73
  74 class GpuVideoDecodeAccelerator::MessageFilter : public IPC::MessageFilter {
  75  public:
  76   MessageFilter(GpuVideoDecodeAccelerator* owner, int32 host_route_id)
  77       : owner_(owner), host_route_id_(host_route_id) {}
  78
  79   virtual void OnChannelError() OVERRIDE { sender_ = NULL; }
  80
  81   virtual void OnChannelClosing() OVERRIDE { sender_ = NULL; }
  82
  83   virtual void OnFilterAdded(IPC::Sender* sender) OVERRIDE {
  84     sender_ = sender;
  85   }
  86
  87   virtual void OnFilterRemoved() OVERRIDE {
  88     // This will delete |owner_| and |this|.
  89     owner_->OnFilterRemoved();
  90   }
  91
  92   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE {
  93     if (msg.routing_id() != host_route_id_)
  94       return false;
  95
  96     IPC_BEGIN_MESSAGE_MAP(MessageFilter, msg)
  97       IPC_MESSAGE_FORWARD(AcceleratedVideoDecoderMsg_Decode, owner_,
  98                           GpuVideoDecodeAccelerator::OnDecode)
  99       IPC_MESSAGE_UNHANDLED(return false;)
 100     IPC_END_MESSAGE_MAP()
 101     return true;
 102   }
 103
 104   bool SendOnIOThread(IPC::Message* message) {
 105     DCHECK(!message->is_sync());
 106     if (!sender_) {
 107       delete message;
 108       return false;
 109     }
 110     return sender_->Send(message);
 111   }
 112
 113  protected:
 114   virtual ~MessageFilter() {}
 115
 116  private:
 117   GpuVideoDecodeAccelerator* owner_;
 118   int32 host_route_id_;
 119   // The sender to which this filter was added.
 120   IPC::Sender* sender_;
 121 };
 122
 123 GpuVideoDecodeAccelerator::GpuVideoDecodeAccelerator(
 124     int32 host_route_id,
 125     GpuCommandBufferStub* stub,
 126     const scoped_refptr<base::MessageLoopProxy>& io_message_loop)
 127     : host_route_id_(host_route_id),
 128       stub_(stub),
 129       texture_target_(0),
 130       filter_removed_(true, false),
 131       io_message_loop_(io_message_loop),
 132       weak_factory_for_io_(this) {
 133   DCHECK(stub_);
 134   stub_->AddDestructionObserver(this);
 135   child_message_loop_ = base::MessageLoopProxy::current();
 136   make_context_current_ =
 137       base::Bind(&MakeDecoderContextCurrent, stub_->AsWeakPtr());
 138 }
 139
 140 GpuVideoDecodeAccelerator::~GpuVideoDecodeAccelerator() {
 141   // This class can only be self-deleted from OnWillDestroyStub(), which means
 142   // the VDA has already been destroyed in there.
 143   DCHECK(!video_decode_accelerator_);
 144 }
 145
 146 bool GpuVideoDecodeAccelerator::OnMessageReceived(const IPC::Message& msg) {
 147   if (!video_decode_accelerator_)
 148     return false;
 149
 150   bool handled = true;
 151   IPC_BEGIN_MESSAGE_MAP(GpuVideoDecodeAccelerator, msg)
 152     IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_Decode, OnDecode)
 153     IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_AssignPictureBuffers,
 154                         OnAssignPictureBuffers)
 155     IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_ReusePictureBuffer,
 156                         OnReusePictureBuffer)
 157     IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_Flush, OnFlush)
 158     IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_Reset, OnReset)
 159     IPC_MESSAGE_HANDLER(AcceleratedVideoDecoderMsg_Destroy, OnDestroy)
 160     IPC_MESSAGE_UNHANDLED(handled = false)
 161   IPC_END_MESSAGE_MAP()
 162   return handled;
 163 }
 164
 165 void GpuVideoDecodeAccelerator::ProvidePictureBuffers(
 166     uint32 requested_num_of_buffers,
 167     const gfx::Size& dimensions,
 168     uint32 texture_target) {
 169   if (dimensions.width() > media::limits::kMaxDimension ||
 170       dimensions.height() > media::limits::kMaxDimension ||
 171       dimensions.GetArea() > media::limits::kMaxCanvas) {
 172     NotifyError(media::VideoDecodeAccelerator::PLATFORM_FAILURE);
 173     return;
 174   }
 175   if (!Send(new AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers(
 176            host_route_id_,
 177            requested_num_of_buffers,
 178            dimensions,
 179            texture_target))) {
 180     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers) "
 181                 << "failed";
 182   }
 183   texture_dimensions_ = dimensions;
 184   texture_target_ = texture_target;
 185 }
 186
 187 void GpuVideoDecodeAccelerator::DismissPictureBuffer(
 188     int32 picture_buffer_id) {
 189   // Notify client that picture buffer is now unused.
 190   if (!Send(new AcceleratedVideoDecoderHostMsg_DismissPictureBuffer(
 191           host_route_id_, picture_buffer_id))) {
 192     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer) "
 193                 << "failed";
 194   }
 195   DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
 196   uncleared_textures_.erase(picture_buffer_id);
 197 }
 198
 199 void GpuVideoDecodeAccelerator::PictureReady(
 200     const media::Picture& picture) {
 201   // VDA may call PictureReady on IO thread. SetTextureCleared should run on
 202   // the child thread. VDA is responsible to call PictureReady on the child
 203   // thread when a picture buffer is delivered the first time.
 204   if (child_message_loop_->BelongsToCurrentThread()) {
 205     SetTextureCleared(picture);
 206   } else {
 207     DCHECK(io_message_loop_->BelongsToCurrentThread());
 208     DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
 209     DCHECK_EQ(0u, uncleared_textures_.count(picture.picture_buffer_id()));
 210   }
 211
 212   if (!Send(new AcceleratedVideoDecoderHostMsg_PictureReady(
 213           host_route_id_,
 214           picture.picture_buffer_id(),
 215           picture.bitstream_buffer_id(),
 216           picture.visible_rect()))) {
 217     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_PictureReady) failed";
 218   }
 219 }
 220
 221 void GpuVideoDecodeAccelerator::NotifyError(
 222     media::VideoDecodeAccelerator::Error error) {
 223   if (!Send(new AcceleratedVideoDecoderHostMsg_ErrorNotification(
 224           host_route_id_, error))) {
 225     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ErrorNotification) "
 226                 << "failed";
 227   }
 228 }
 229
 230 void GpuVideoDecodeAccelerator::Initialize(
 231     const media::VideoCodecProfile profile,
 232     IPC::Message* init_done_msg) {
 233   DCHECK(!video_decode_accelerator_.get());
 234
 235   if (!stub_->channel()->AddRoute(host_route_id_, this)) {
 236     DLOG(ERROR) << "GpuVideoDecodeAccelerator::Initialize(): "
 237                    "failed to add route";
 238     SendCreateDecoderReply(init_done_msg, false);
 239   }
 240
 241 #if !defined(OS_WIN)
 242   // Ensure we will be able to get a GL context at all before initializing
 243   // non-Windows VDAs.
 244   if (!make_context_current_.Run()) {
 245     SendCreateDecoderReply(init_done_msg, false);
 246     return;
 247   }
 248 #endif
 249
 250 #if defined(OS_WIN)
 251   if (base::win::GetVersion() < base::win::VERSION_WIN7) {
 252     NOTIMPLEMENTED() << "HW video decode acceleration not available.";
 253     SendCreateDecoderReply(init_done_msg, false);
 254     return;
 255   }
 256   DVLOG(0) << "Initializing DXVA HW decoder for windows.";
 257   video_decode_accelerator_.reset(
 258       new DXVAVideoDecodeAccelerator(make_context_current_));
 259 #elif defined(OS_MACOSX)
 260   video_decode_accelerator_.reset(new VTVideoDecodeAccelerator(
 261       static_cast<CGLContextObj>(
 262           stub_->decoder()->GetGLContext()->GetHandle())));
 263 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
 264   scoped_ptr<V4L2Device> device = V4L2Device::Create(V4L2Device::kDecoder);
 265   if (!device.get()) {
 266     SendCreateDecoderReply(init_done_msg, false);
 267     return;
 268   }
 269   video_decode_accelerator_.reset(new V4L2VideoDecodeAccelerator(
 270       gfx::GLSurfaceEGL::GetHardwareDisplay(),
 271       stub_->decoder()->GetGLContext()->GetHandle(),
 272       weak_factory_for_io_.GetWeakPtr(),
 273       make_context_current_,
 274       device.Pass(),
 275       io_message_loop_));
 276 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
 277   if (gfx::GetGLImplementation() != gfx::kGLImplementationDesktopGL) {
 278     VLOG(1) << "HW video decode acceleration not available without "
 279                "DesktopGL (GLX).";
 280     SendCreateDecoderReply(init_done_msg, false);
 281     return;
 282   }
 283   gfx::GLContextGLX* glx_context =
 284       static_cast<gfx::GLContextGLX*>(stub_->decoder()->GetGLContext());
 285   video_decode_accelerator_.reset(new VaapiVideoDecodeAccelerator(
 286       glx_context->display(), make_context_current_));
 287 #elif defined(USE_OZONE)
 288   media::MediaOzonePlatform* platform =
 289       media::MediaOzonePlatform::GetInstance();
 290   video_decode_accelerator_.reset(platform->CreateVideoDecodeAccelerator(
 291       make_context_current_));
 292   if (!video_decode_accelerator_) {
 293     SendCreateDecoderReply(init_done_msg, false);
 294     return;
 295   }
 296 #elif defined(OS_ANDROID)
 297   video_decode_accelerator_.reset(new AndroidVideoDecodeAccelerator(
 298       stub_->decoder()->AsWeakPtr(),
 299       make_context_current_));
 300 #else
 301   NOTIMPLEMENTED() << "HW video decode acceleration not available.";
 302   SendCreateDecoderReply(init_done_msg, false);
 303   return;
 304 #endif
 305
 306   if (video_decode_accelerator_->CanDecodeOnIOThread()) {
 307     filter_ = new MessageFilter(this, host_route_id_);
 308     stub_->channel()->AddFilter(filter_.get());
 309   }
 310
 311   if (!video_decode_accelerator_->Initialize(profile, this)) {
 312     SendCreateDecoderReply(init_done_msg, false);
 313     return;
 314   }
 315
 316   SendCreateDecoderReply(init_done_msg, true);
 317 }
 318
 319 // Runs on IO thread if video_decode_accelerator_->CanDecodeOnIOThread() is
 320 // true, otherwise on the main thread.
 321 void GpuVideoDecodeAccelerator::OnDecode(
 322     base::SharedMemoryHandle handle, int32 id, uint32 size) {
 323   DCHECK(video_decode_accelerator_.get());
 324   if (id < 0) {
 325     DLOG(ERROR) << "BitstreamBuffer id " << id << " out of range";
 326     if (child_message_loop_->BelongsToCurrentThread()) {
 327       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 328     } else {
 329       child_message_loop_->PostTask(
 330           FROM_HERE,
 331           base::Bind(&GpuVideoDecodeAccelerator::NotifyError,
 332                      base::Unretained(this),
 333                      media::VideoDecodeAccelerator::INVALID_ARGUMENT));
 334     }
 335     return;
 336   }
 337   video_decode_accelerator_->Decode(media::BitstreamBuffer(id, handle, size));
 338 }
 339
 340 void GpuVideoDecodeAccelerator::OnAssignPictureBuffers(
 341     const std::vector<int32>& buffer_ids,
 342     const std::vector<uint32>& texture_ids) {
 343   if (buffer_ids.size() != texture_ids.size()) {
 344     NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 345     return;
 346   }
 347
 348   gpu::gles2::GLES2Decoder* command_decoder = stub_->decoder();
 349   gpu::gles2::TextureManager* texture_manager =
 350       command_decoder->GetContextGroup()->texture_manager();
 351
 352   std::vector<media::PictureBuffer> buffers;
 353   std::vector<scoped_refptr<gpu::gles2::TextureRef> > textures;
 354   for (uint32 i = 0; i < buffer_ids.size(); ++i) {
 355     if (buffer_ids[i] < 0) {
 356       DLOG(ERROR) << "Buffer id " << buffer_ids[i] << " out of range";
 357       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 358       return;
 359     }
 360     gpu::gles2::TextureRef* texture_ref = texture_manager->GetTexture(
 361         texture_ids[i]);
 362     if (!texture_ref) {
 363       DLOG(ERROR) << "Failed to find texture id " << texture_ids[i];
 364       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 365       return;
 366     }
 367     gpu::gles2::Texture* info = texture_ref->texture();
 368     if (info->target() != texture_target_) {
 369       DLOG(ERROR) << "Texture target mismatch for texture id "
 370                   << texture_ids[i];
 371       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 372       return;
 373     }
 374     if (texture_target_ == GL_TEXTURE_EXTERNAL_OES ||
 375         texture_target_ == GL_TEXTURE_RECTANGLE) {
 376       // These textures have their dimensions defined by the underlying storage.
 377       // Use |texture_dimensions_| for this size.
 378       texture_manager->SetLevelInfo(texture_ref,
 379                                     texture_target_,
 380                                     0,
 381                                     0,
 382                                     texture_dimensions_.width(),
 383                                     texture_dimensions_.height(),
 384                                     1,
 385                                     0,
 386                                     0,
 387                                     0,
 388                                     false);
 389     } else {
 390       // For other targets, texture dimensions should already be defined.
 391       GLsizei width = 0, height = 0;
 392       info->GetLevelSize(texture_target_, 0, &width, &height);
 393       if (width != texture_dimensions_.width() ||
 394           height != texture_dimensions_.height()) {
 395         DLOG(ERROR) << "Size mismatch for texture id " << texture_ids[i];
 396         NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 397         return;
 398       }
 399     }
 400     uint32 service_texture_id;
 401     if (!command_decoder->GetServiceTextureId(
 402             texture_ids[i], &service_texture_id)) {
 403       DLOG(ERROR) << "Failed to translate texture!";
 404       NotifyError(media::VideoDecodeAccelerator::PLATFORM_FAILURE);
 405       return;
 406     }
 407     buffers.push_back(media::PictureBuffer(
 408         buffer_ids[i], texture_dimensions_, service_texture_id));
 409     textures.push_back(texture_ref);
 410   }
 411   video_decode_accelerator_->AssignPictureBuffers(buffers);
 412   DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
 413   for (uint32 i = 0; i < buffer_ids.size(); ++i)
 414     uncleared_textures_[buffer_ids[i]] = textures[i];
 415 }
 416
 417 void GpuVideoDecodeAccelerator::OnReusePictureBuffer(
 418     int32 picture_buffer_id) {
 419   DCHECK(video_decode_accelerator_.get());
 420   video_decode_accelerator_->ReusePictureBuffer(picture_buffer_id);
 421 }
 422
 423 void GpuVideoDecodeAccelerator::OnFlush() {
 424   DCHECK(video_decode_accelerator_.get());
 425   video_decode_accelerator_->Flush();
 426 }
 427
 428 void GpuVideoDecodeAccelerator::OnReset() {
 429   DCHECK(video_decode_accelerator_.get());
 430   video_decode_accelerator_->Reset();
 431 }
 432
 433 void GpuVideoDecodeAccelerator::OnDestroy() {
 434   DCHECK(video_decode_accelerator_.get());
 435   OnWillDestroyStub();
 436 }
 437
 438 void GpuVideoDecodeAccelerator::OnFilterRemoved() {
 439   // We're destroying; cancel all callbacks.
 440   weak_factory_for_io_.InvalidateWeakPtrs();
 441   filter_removed_.Signal();
 442 }
 443
 444 void GpuVideoDecodeAccelerator::NotifyEndOfBitstreamBuffer(
 445     int32 bitstream_buffer_id) {
 446   if (!Send(new AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed(
 447           host_route_id_, bitstream_buffer_id))) {
 448     DLOG(ERROR)
 449         << "Send(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed) "
 450         << "failed";
 451   }
 452 }
 453
 454 void GpuVideoDecodeAccelerator::NotifyFlushDone() {
 455   if (!Send(new AcceleratedVideoDecoderHostMsg_FlushDone(host_route_id_)))
 456     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_FlushDone) failed";
 457 }
 458
 459 void GpuVideoDecodeAccelerator::NotifyResetDone() {
 460   if (!Send(new AcceleratedVideoDecoderHostMsg_ResetDone(host_route_id_)))
 461     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ResetDone) failed";
 462 }
 463
 464 void GpuVideoDecodeAccelerator::OnWillDestroyStub() {
 465   // The stub is going away, so we have to stop and destroy VDA here, before
 466   // returning, because the VDA may need the GL context to run and/or do its
 467   // cleanup. We cannot destroy the VDA before the IO thread message filter is
 468   // removed however, since we cannot service incoming messages with VDA gone.
 469   // We cannot simply check for existence of VDA on IO thread though, because
 470   // we don't want to synchronize the IO thread with the ChildThread.
 471   // So we have to wait for the RemoveFilter callback here instead and remove
 472   // the VDA after it arrives and before returning.
 473   if (filter_.get()) {
 474     stub_->channel()->RemoveFilter(filter_.get());
 475     filter_removed_.Wait();
 476   }
 477
 478   stub_->channel()->RemoveRoute(host_route_id_);
 479   stub_->RemoveDestructionObserver(this);
 480
 481   video_decode_accelerator_.reset();
 482   delete this;
 483 }
 484
 485 void GpuVideoDecodeAccelerator::SetTextureCleared(
 486     const media::Picture& picture) {
 487   DCHECK(child_message_loop_->BelongsToCurrentThread());
 488   DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
 489   std::map<int32, scoped_refptr<gpu::gles2::TextureRef> >::iterator it;
 490   it = uncleared_textures_.find(picture.picture_buffer_id());
 491   if (it == uncleared_textures_.end())
 492     return;  // the texture has been cleared
 493
 494   scoped_refptr<gpu::gles2::TextureRef> texture_ref = it->second;
 495   GLenum target = texture_ref->texture()->target();
 496   gpu::gles2::TextureManager* texture_manager =
 497       stub_->decoder()->GetContextGroup()->texture_manager();
 498   DCHECK(!texture_ref->texture()->IsLevelCleared(target, 0));
 499   texture_manager->SetLevelCleared(texture_ref.get(), target, 0, true);
 500   uncleared_textures_.erase(it);
 501 }
 502
 503 bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) {
 504   if (filter_.get() && io_message_loop_->BelongsToCurrentThread())
 505     return filter_->SendOnIOThread(message);
 506   DCHECK(child_message_loop_->BelongsToCurrentThread());
 507   return stub_->channel()->Send(message);
 508 }
 509
 510 void GpuVideoDecodeAccelerator::SendCreateDecoderReply(IPC::Message* message,
 511                                                        bool succeeded) {
 512   GpuCommandBufferMsg_CreateVideoDecoder::WriteReplyParams(message, succeeded);
 513   Send(message);
 514 }
 515
 516 }  // namespace content