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 "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     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_PictureReady) failed";
 217   }
 218 }
 219
 220 void GpuVideoDecodeAccelerator::NotifyError(
 221     media::VideoDecodeAccelerator::Error error) {
 222   if (!Send(new AcceleratedVideoDecoderHostMsg_ErrorNotification(
 223           host_route_id_, error))) {
 224     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ErrorNotification) "
 225                 << "failed";
 226   }
 227 }
 228
 229 void GpuVideoDecodeAccelerator::Initialize(
 230     const media::VideoCodecProfile profile,
 231     IPC::Message* init_done_msg) {
 232   DCHECK(!video_decode_accelerator_.get());
 233
 234   if (!stub_->channel()->AddRoute(host_route_id_, this)) {
 235     DLOG(ERROR) << "GpuVideoDecodeAccelerator::Initialize(): "
 236                    "failed to add route";
 237     SendCreateDecoderReply(init_done_msg, false);
 238   }
 239
 240 #if !defined(OS_WIN)
 241   // Ensure we will be able to get a GL context at all before initializing
 242   // non-Windows VDAs.
 243   if (!make_context_current_.Run()) {
 244     SendCreateDecoderReply(init_done_msg, false);
 245     return;
 246   }
 247 #endif
 248
 249 #if defined(OS_WIN)
 250   if (base::win::GetVersion() < base::win::VERSION_WIN7) {
 251     NOTIMPLEMENTED() << "HW video decode acceleration not available.";
 252     SendCreateDecoderReply(init_done_msg, false);
 253     return;
 254   }
 255   DVLOG(0) << "Initializing DXVA HW decoder for windows.";
 256   video_decode_accelerator_.reset(
 257       new DXVAVideoDecodeAccelerator(make_context_current_));
 258 #elif defined(OS_MACOSX)
 259   video_decode_accelerator_.reset(new VTVideoDecodeAccelerator(
 260       static_cast<CGLContextObj>(
 261           stub_->decoder()->GetGLContext()->GetHandle())));
 262 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
 263   scoped_ptr<V4L2Device> device = V4L2Device::Create(V4L2Device::kDecoder);
 264   if (!device.get()) {
 265     SendCreateDecoderReply(init_done_msg, false);
 266     return;
 267   }
 268   video_decode_accelerator_.reset(new V4L2VideoDecodeAccelerator(
 269       gfx::GLSurfaceEGL::GetHardwareDisplay(),
 270       stub_->decoder()->GetGLContext()->GetHandle(),
 271       weak_factory_for_io_.GetWeakPtr(),
 272       make_context_current_,
 273       device.Pass(),
 274       io_message_loop_));
 275 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
 276   if (gfx::GetGLImplementation() != gfx::kGLImplementationDesktopGL) {
 277     VLOG(1) << "HW video decode acceleration not available without "
 278                "DesktopGL (GLX).";
 279     SendCreateDecoderReply(init_done_msg, false);
 280     return;
 281   }
 282   gfx::GLContextGLX* glx_context =
 283       static_cast<gfx::GLContextGLX*>(stub_->decoder()->GetGLContext());
 284   video_decode_accelerator_.reset(new VaapiVideoDecodeAccelerator(
 285       glx_context->display(), make_context_current_));
 286 #elif defined(USE_OZONE)
 287   media::MediaOzonePlatform* platform =
 288       media::MediaOzonePlatform::GetInstance();
 289   video_decode_accelerator_.reset(platform->CreateVideoDecodeAccelerator(
 290       make_context_current_));
 291   if (!video_decode_accelerator_) {
 292     SendCreateDecoderReply(init_done_msg, false);
 293     return;
 294   }
 295 #elif defined(OS_ANDROID)
 296   video_decode_accelerator_.reset(new AndroidVideoDecodeAccelerator(
 297       stub_->decoder()->AsWeakPtr(),
 298       make_context_current_));
 299 #else
 300   NOTIMPLEMENTED() << "HW video decode acceleration not available.";
 301   SendCreateDecoderReply(init_done_msg, false);
 302   return;
 303 #endif
 304
 305   if (video_decode_accelerator_->CanDecodeOnIOThread()) {
 306     filter_ = new MessageFilter(this, host_route_id_);
 307     stub_->channel()->AddFilter(filter_.get());
 308   }
 309
 310   if (!video_decode_accelerator_->Initialize(profile, this)) {
 311     SendCreateDecoderReply(init_done_msg, false);
 312     return;
 313   }
 314
 315   SendCreateDecoderReply(init_done_msg, true);
 316 }
 317
 318 // Runs on IO thread if video_decode_accelerator_->CanDecodeOnIOThread() is
 319 // true, otherwise on the main thread.
 320 void GpuVideoDecodeAccelerator::OnDecode(
 321     base::SharedMemoryHandle handle, int32 id, uint32 size) {
 322   DCHECK(video_decode_accelerator_.get());
 323   if (id < 0) {
 324     DLOG(ERROR) << "BitstreamBuffer id " << id << " out of range";
 325     if (child_message_loop_->BelongsToCurrentThread()) {
 326       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 327     } else {
 328       child_message_loop_->PostTask(
 329           FROM_HERE,
 330           base::Bind(&GpuVideoDecodeAccelerator::NotifyError,
 331                      base::Unretained(this),
 332                      media::VideoDecodeAccelerator::INVALID_ARGUMENT));
 333     }
 334     return;
 335   }
 336   video_decode_accelerator_->Decode(media::BitstreamBuffer(id, handle, size));
 337 }
 338
 339 void GpuVideoDecodeAccelerator::OnAssignPictureBuffers(
 340     const std::vector<int32>& buffer_ids,
 341     const std::vector<uint32>& texture_ids) {
 342   if (buffer_ids.size() != texture_ids.size()) {
 343     NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 344     return;
 345   }
 346
 347   gpu::gles2::GLES2Decoder* command_decoder = stub_->decoder();
 348   gpu::gles2::TextureManager* texture_manager =
 349       command_decoder->GetContextGroup()->texture_manager();
 350
 351   std::vector<media::PictureBuffer> buffers;
 352   std::vector<scoped_refptr<gpu::gles2::TextureRef> > textures;
 353   for (uint32 i = 0; i < buffer_ids.size(); ++i) {
 354     if (buffer_ids[i] < 0) {
 355       DLOG(ERROR) << "Buffer id " << buffer_ids[i] << " out of range";
 356       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 357       return;
 358     }
 359     gpu::gles2::TextureRef* texture_ref = texture_manager->GetTexture(
 360         texture_ids[i]);
 361     if (!texture_ref) {
 362       DLOG(ERROR) << "Failed to find texture id " << texture_ids[i];
 363       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 364       return;
 365     }
 366     gpu::gles2::Texture* info = texture_ref->texture();
 367     if (info->target() != texture_target_) {
 368       DLOG(ERROR) << "Texture target mismatch for texture id "
 369                   << texture_ids[i];
 370       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 371       return;
 372     }
 373     if (texture_target_ == GL_TEXTURE_EXTERNAL_OES ||
 374         texture_target_ == GL_TEXTURE_RECTANGLE) {
 375       // These textures have their dimensions defined by the underlying storage.
 376       // Use |texture_dimensions_| for this size.
 377       texture_manager->SetLevelInfo(texture_ref,
 378                                     texture_target_,
 379                                     0,
 380                                     0,
 381                                     texture_dimensions_.width(),
 382                                     texture_dimensions_.height(),
 383                                     1,
 384                                     0,
 385                                     0,
 386                                     0,
 387                                     false);
 388     } else {
 389       // For other targets, texture dimensions should already be defined.
 390       GLsizei width = 0, height = 0;
 391       info->GetLevelSize(texture_target_, 0, &width, &height);
 392       if (width != texture_dimensions_.width() ||
 393           height != texture_dimensions_.height()) {
 394         DLOG(ERROR) << "Size mismatch for texture id " << texture_ids[i];
 395         NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
 396         return;
 397       }
 398     }
 399     uint32 service_texture_id;
 400     if (!command_decoder->GetServiceTextureId(
 401             texture_ids[i], &service_texture_id)) {
 402       DLOG(ERROR) << "Failed to translate texture!";
 403       NotifyError(media::VideoDecodeAccelerator::PLATFORM_FAILURE);
 404       return;
 405     }
 406     buffers.push_back(media::PictureBuffer(
 407         buffer_ids[i], texture_dimensions_, service_texture_id));
 408     textures.push_back(texture_ref);
 409   }
 410   video_decode_accelerator_->AssignPictureBuffers(buffers);
 411   DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
 412   for (uint32 i = 0; i < buffer_ids.size(); ++i)
 413     uncleared_textures_[buffer_ids[i]] = textures[i];
 414 }
 415
 416 void GpuVideoDecodeAccelerator::OnReusePictureBuffer(
 417     int32 picture_buffer_id) {
 418   DCHECK(video_decode_accelerator_.get());
 419   video_decode_accelerator_->ReusePictureBuffer(picture_buffer_id);
 420 }
 421
 422 void GpuVideoDecodeAccelerator::OnFlush() {
 423   DCHECK(video_decode_accelerator_.get());
 424   video_decode_accelerator_->Flush();
 425 }
 426
 427 void GpuVideoDecodeAccelerator::OnReset() {
 428   DCHECK(video_decode_accelerator_.get());
 429   video_decode_accelerator_->Reset();
 430 }
 431
 432 void GpuVideoDecodeAccelerator::OnDestroy() {
 433   DCHECK(video_decode_accelerator_.get());
 434   OnWillDestroyStub();
 435 }
 436
 437 void GpuVideoDecodeAccelerator::OnFilterRemoved() {
 438   // We're destroying; cancel all callbacks.
 439   weak_factory_for_io_.InvalidateWeakPtrs();
 440   filter_removed_.Signal();
 441 }
 442
 443 void GpuVideoDecodeAccelerator::NotifyEndOfBitstreamBuffer(
 444     int32 bitstream_buffer_id) {
 445   if (!Send(new AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed(
 446           host_route_id_, bitstream_buffer_id))) {
 447     DLOG(ERROR)
 448         << "Send(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed) "
 449         << "failed";
 450   }
 451 }
 452
 453 void GpuVideoDecodeAccelerator::NotifyFlushDone() {
 454   if (!Send(new AcceleratedVideoDecoderHostMsg_FlushDone(host_route_id_)))
 455     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_FlushDone) failed";
 456 }
 457
 458 void GpuVideoDecodeAccelerator::NotifyResetDone() {
 459   if (!Send(new AcceleratedVideoDecoderHostMsg_ResetDone(host_route_id_)))
 460     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ResetDone) failed";
 461 }
 462
 463 void GpuVideoDecodeAccelerator::OnWillDestroyStub() {
 464   // The stub is going away, so we have to stop and destroy VDA here, before
 465   // returning, because the VDA may need the GL context to run and/or do its
 466   // cleanup. We cannot destroy the VDA before the IO thread message filter is
 467   // removed however, since we cannot service incoming messages with VDA gone.
 468   // We cannot simply check for existence of VDA on IO thread though, because
 469   // we don't want to synchronize the IO thread with the ChildThread.
 470   // So we have to wait for the RemoveFilter callback here instead and remove
 471   // the VDA after it arrives and before returning.
 472   if (filter_.get()) {
 473     stub_->channel()->RemoveFilter(filter_.get());
 474     filter_removed_.Wait();
 475   }
 476
 477   stub_->channel()->RemoveRoute(host_route_id_);
 478   stub_->RemoveDestructionObserver(this);
 479
 480   video_decode_accelerator_.reset();
 481   delete this;
 482 }
 483
 484 void GpuVideoDecodeAccelerator::SetTextureCleared(
 485     const media::Picture& picture) {
 486   DCHECK(child_message_loop_->BelongsToCurrentThread());
 487   DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
 488   std::map<int32, scoped_refptr<gpu::gles2::TextureRef> >::iterator it;
 489   it = uncleared_textures_.find(picture.picture_buffer_id());
 490   if (it == uncleared_textures_.end())
 491     return;  // the texture has been cleared
 492
 493   scoped_refptr<gpu::gles2::TextureRef> texture_ref = it->second;
 494   GLenum target = texture_ref->texture()->target();
 495   gpu::gles2::TextureManager* texture_manager =
 496       stub_->decoder()->GetContextGroup()->texture_manager();
 497   DCHECK(!texture_ref->texture()->IsLevelCleared(target, 0));
 498   texture_manager->SetLevelCleared(texture_ref, target, 0, true);
 499   uncleared_textures_.erase(it);
 500 }
 501
 502 bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) {
 503   if (filter_.get() && io_message_loop_->BelongsToCurrentThread())
 504     return filter_->SendOnIOThread(message);
 505   DCHECK(child_message_loop_->BelongsToCurrentThread());
 506   return stub_->channel()->Send(message);
 507 }
 508
 509 void GpuVideoDecodeAccelerator::SendCreateDecoderReply(IPC::Message* message,
 510                                                        bool succeeded) {
 511   GpuCommandBufferMsg_CreateVideoDecoder::WriteReplyParams(message, succeeded);
 512   Send(message);
 513 }
 514
 515 }  // namespace content