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