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| 1 // Copyright 2015 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 "base/bind.h" |
| 6 #include "base/memory/shared_memory.h" |
| 7 #include "base/numerics/safe_math.h" |
| 8 #include "content/common/gpu/client/command_buffer_proxy_impl.h" |
| 9 #include "content/common/gpu/client/gpu_video_encode_accelerator_host.h" |
| 10 #include "content/public/renderer/renderer_ppapi_host.h" |
| 11 #include "content/renderer/pepper/gfx_conversion.h" |
| 12 #include "content/renderer/pepper/host_globals.h" |
| 13 #include "content/renderer/pepper/pepper_video_encoder_host.h" |
| 14 #include "content/renderer/render_thread_impl.h" |
| 15 #include "media/base/bind_to_current_loop.h" |
| 16 #include "media/base/video_frame.h" |
| 17 #include "media/filters/gpu_video_accelerator_factories.h" |
| 18 #include "media/video/video_encode_accelerator.h" |
| 19 #include "ppapi/c/pp_codecs.h" |
| 20 #include "ppapi/c/pp_errors.h" |
| 21 #include "ppapi/c/pp_graphics_3d.h" |
| 22 #include "ppapi/host/dispatch_host_message.h" |
| 23 #include "ppapi/host/ppapi_host.h" |
| 24 #include "ppapi/proxy/ppapi_messages.h" |
| 25 #include "ppapi/shared_impl/media_stream_buffer.h" |
| 26 |
| 27 using ppapi::proxy::SerializedHandle; |
| 28 |
| 29 namespace content { |
| 30 |
| 31 namespace { |
| 32 |
| 33 const uint32_t kDefaultNumberOfBitstreamBuffers = 4; |
| 34 |
| 35 base::PlatformFile ConvertSharedMemoryHandle( |
| 36 const base::SharedMemory& shared_memory) { |
| 37 #if defined(OS_POSIX) |
| 38 return shared_memory.handle().fd; |
| 39 #elif defined(OS_WIN) |
| 40 return shared_memory.handle(); |
| 41 #else |
| 42 #error "Platform not supported." |
| 43 #endif |
| 44 } |
| 45 |
| 46 int32_t PP_FromMediaEncodeAcceleratorError( |
| 47 media::VideoEncodeAccelerator::Error error) { |
| 48 switch (error) { |
| 49 case media::VideoEncodeAccelerator::kInvalidArgumentError: |
| 50 return PP_ERROR_MALFORMED_INPUT; |
| 51 case media::VideoEncodeAccelerator::kIllegalStateError: |
| 52 case media::VideoEncodeAccelerator::kPlatformFailureError: |
| 53 return PP_ERROR_RESOURCE_FAILED; |
| 54 // No default case, to catch unhandled enum values. |
| 55 } |
| 56 return PP_ERROR_FAILED; |
| 57 } |
| 58 |
| 59 // TODO(llandwerlin): move following to media_conversion.cc/h? |
| 60 media::VideoCodecProfile PP_ToMediaVideoProfile(PP_VideoProfile profile) { |
| 61 switch (profile) { |
| 62 case PP_VIDEOPROFILE_H264BASELINE: |
| 63 return media::H264PROFILE_BASELINE; |
| 64 case PP_VIDEOPROFILE_H264MAIN: |
| 65 return media::H264PROFILE_MAIN; |
| 66 case PP_VIDEOPROFILE_H264EXTENDED: |
| 67 return media::H264PROFILE_EXTENDED; |
| 68 case PP_VIDEOPROFILE_H264HIGH: |
| 69 return media::H264PROFILE_HIGH; |
| 70 case PP_VIDEOPROFILE_H264HIGH10PROFILE: |
| 71 return media::H264PROFILE_HIGH10PROFILE; |
| 72 case PP_VIDEOPROFILE_H264HIGH422PROFILE: |
| 73 return media::H264PROFILE_HIGH422PROFILE; |
| 74 case PP_VIDEOPROFILE_H264HIGH444PREDICTIVEPROFILE: |
| 75 return media::H264PROFILE_HIGH444PREDICTIVEPROFILE; |
| 76 case PP_VIDEOPROFILE_H264SCALABLEBASELINE: |
| 77 return media::H264PROFILE_SCALABLEBASELINE; |
| 78 case PP_VIDEOPROFILE_H264SCALABLEHIGH: |
| 79 return media::H264PROFILE_SCALABLEHIGH; |
| 80 case PP_VIDEOPROFILE_H264STEREOHIGH: |
| 81 return media::H264PROFILE_STEREOHIGH; |
| 82 case PP_VIDEOPROFILE_H264MULTIVIEWHIGH: |
| 83 return media::H264PROFILE_MULTIVIEWHIGH; |
| 84 case PP_VIDEOPROFILE_VP8_ANY: |
| 85 return media::VP8PROFILE_ANY; |
| 86 case PP_VIDEOPROFILE_VP9_ANY: |
| 87 return media::VP9PROFILE_ANY; |
| 88 // No default case, to catch unhandled PP_VideoProfile values. |
| 89 } |
| 90 return media::VIDEO_CODEC_PROFILE_UNKNOWN; |
| 91 } |
| 92 |
| 93 PP_VideoProfile PP_FromMediaVideoProfile(media::VideoCodecProfile profile) { |
| 94 switch (profile) { |
| 95 case media::H264PROFILE_BASELINE: |
| 96 return PP_VIDEOPROFILE_H264BASELINE; |
| 97 case media::H264PROFILE_MAIN: |
| 98 return PP_VIDEOPROFILE_H264MAIN; |
| 99 case media::H264PROFILE_EXTENDED: |
| 100 return PP_VIDEOPROFILE_H264EXTENDED; |
| 101 case media::H264PROFILE_HIGH: |
| 102 return PP_VIDEOPROFILE_H264HIGH; |
| 103 case media::H264PROFILE_HIGH10PROFILE: |
| 104 return PP_VIDEOPROFILE_H264HIGH10PROFILE; |
| 105 case media::H264PROFILE_HIGH422PROFILE: |
| 106 return PP_VIDEOPROFILE_H264HIGH422PROFILE; |
| 107 case media::H264PROFILE_HIGH444PREDICTIVEPROFILE: |
| 108 return PP_VIDEOPROFILE_H264HIGH444PREDICTIVEPROFILE; |
| 109 case media::H264PROFILE_SCALABLEBASELINE: |
| 110 return PP_VIDEOPROFILE_H264SCALABLEBASELINE; |
| 111 case media::H264PROFILE_SCALABLEHIGH: |
| 112 return PP_VIDEOPROFILE_H264SCALABLEHIGH; |
| 113 case media::H264PROFILE_STEREOHIGH: |
| 114 return PP_VIDEOPROFILE_H264STEREOHIGH; |
| 115 case media::H264PROFILE_MULTIVIEWHIGH: |
| 116 return PP_VIDEOPROFILE_H264MULTIVIEWHIGH; |
| 117 case media::VP8PROFILE_ANY: |
| 118 return PP_VIDEOPROFILE_VP8_ANY; |
| 119 case media::VP9PROFILE_ANY: |
| 120 return PP_VIDEOPROFILE_VP9_ANY; |
| 121 default: |
| 122 NOTREACHED(); |
| 123 return static_cast<PP_VideoProfile>(-1); |
| 124 } |
| 125 } |
| 126 |
| 127 media::VideoFrame::Format PP_ToMediaVideoFormat(PP_VideoFrame_Format format) { |
| 128 switch (format) { |
| 129 case PP_VIDEOFRAME_FORMAT_UNKNOWN: |
| 130 return media::VideoFrame::UNKNOWN; |
| 131 case PP_VIDEOFRAME_FORMAT_YV12: |
| 132 return media::VideoFrame::YV12; |
| 133 case PP_VIDEOFRAME_FORMAT_I420: |
| 134 return media::VideoFrame::I420; |
| 135 case PP_VIDEOFRAME_FORMAT_BGRA: |
| 136 return media::VideoFrame::UNKNOWN; |
| 137 // No default case, to catch unhandled PP_VideoFrame_Format values. |
| 138 } |
| 139 return media::VideoFrame::UNKNOWN; |
| 140 } |
| 141 |
| 142 PP_VideoFrame_Format PP_FromMediaVideoFormat(media::VideoFrame::Format format) { |
| 143 switch (format) { |
| 144 case media::VideoFrame::UNKNOWN: |
| 145 return PP_VIDEOFRAME_FORMAT_UNKNOWN; |
| 146 case media::VideoFrame::YV12: |
| 147 return PP_VIDEOFRAME_FORMAT_YV12; |
| 148 case media::VideoFrame::I420: |
| 149 return PP_VIDEOFRAME_FORMAT_I420; |
| 150 default: |
| 151 return PP_VIDEOFRAME_FORMAT_UNKNOWN; |
| 152 } |
| 153 } |
| 154 |
| 155 PP_VideoProfileDescription PP_FromVideoEncodeAcceleratorSupportedProfile( |
| 156 media::VideoEncodeAccelerator::SupportedProfile profile, |
| 157 PP_HardwareAcceleration acceleration) { |
| 158 PP_VideoProfileDescription pp_profile; |
| 159 pp_profile.profile = PP_FromMediaVideoProfile(profile.profile); |
| 160 pp_profile.max_resolution = PP_FromGfxSize(profile.max_resolution); |
| 161 pp_profile.max_framerate_numerator = profile.max_framerate_numerator; |
| 162 pp_profile.max_framerate_denominator = profile.max_framerate_denominator; |
| 163 pp_profile.acceleration = acceleration; |
| 164 return pp_profile; |
| 165 } |
| 166 |
| 167 bool PP_HardwareAccelerationCompatible(PP_HardwareAcceleration supply, |
| 168 PP_HardwareAcceleration demand) { |
| 169 switch (supply) { |
| 170 case PP_HARDWAREACCELERATION_ONLY: |
| 171 return (demand == PP_HARDWAREACCELERATION_ONLY || |
| 172 demand == PP_HARDWAREACCELERATION_WITHFALLBACK); |
| 173 case PP_HARDWAREACCELERATION_WITHFALLBACK: |
| 174 return true; |
| 175 case PP_HARDWAREACCELERATION_NONE: |
| 176 return (demand == PP_HARDWAREACCELERATION_WITHFALLBACK || |
| 177 demand == PP_HARDWAREACCELERATION_NONE); |
| 178 // No default case, to catch unhandled PP_HardwareAcceleration values. |
| 179 } |
| 180 return false; |
| 181 } |
| 182 |
| 183 } // namespace |
| 184 |
| 185 PepperVideoEncoderHost::ShmBuffer::ShmBuffer(uint32_t id, |
| 186 scoped_ptr<base::SharedMemory> shm) |
| 187 : id(id), shm(shm.Pass()), in_use(true) { |
| 188 DCHECK(this->shm); |
| 189 } |
| 190 |
| 191 PepperVideoEncoderHost::ShmBuffer::~ShmBuffer() { |
| 192 } |
| 193 |
| 194 media::BitstreamBuffer PepperVideoEncoderHost::ShmBuffer::ToBitstreamBuffer() { |
| 195 return media::BitstreamBuffer(id, shm->handle(), shm->mapped_size()); |
| 196 } |
| 197 |
| 198 PepperVideoEncoderHost::PepperVideoEncoderHost(RendererPpapiHost* host, |
| 199 PP_Instance instance, |
| 200 PP_Resource resource) |
| 201 : ResourceHost(host->GetPpapiHost(), instance, resource), |
| 202 renderer_ppapi_host_(host), |
| 203 buffer_manager_(this), |
| 204 command_buffer_(nullptr), |
| 205 initialized_(false), |
| 206 encoder_last_error_(PP_ERROR_FAILED), |
| 207 frame_count_(0), |
| 208 media_input_format_(media::VideoFrame::UNKNOWN), |
| 209 weak_ptr_factory_(this) { |
| 210 } |
| 211 |
| 212 PepperVideoEncoderHost::~PepperVideoEncoderHost() { |
| 213 Close(); |
| 214 } |
| 215 |
| 216 int32_t PepperVideoEncoderHost::OnResourceMessageReceived( |
| 217 const IPC::Message& msg, |
| 218 ppapi::host::HostMessageContext* context) { |
| 219 PPAPI_BEGIN_MESSAGE_MAP(PepperVideoEncoderHost, msg) |
| 220 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0( |
| 221 PpapiHostMsg_VideoEncoder_GetSupportedProfiles, |
| 222 OnHostMsgGetSupportedProfiles) |
| 223 PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_VideoEncoder_Initialize, |
| 224 OnHostMsgInitialize) |
| 225 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0( |
| 226 PpapiHostMsg_VideoEncoder_GetVideoFrames, |
| 227 OnHostMsgGetVideoFrames) |
| 228 PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_VideoEncoder_Encode, |
| 229 OnHostMsgEncode) |
| 230 PPAPI_DISPATCH_HOST_RESOURCE_CALL( |
| 231 PpapiHostMsg_VideoEncoder_RecycleBitstreamBuffer, |
| 232 OnHostMsgRecycleBitstreamBuffer) |
| 233 PPAPI_DISPATCH_HOST_RESOURCE_CALL( |
| 234 PpapiHostMsg_VideoEncoder_RequestEncodingParametersChange, |
| 235 OnHostMsgRequestEncodingParametersChange) |
| 236 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_VideoEncoder_Close, |
| 237 OnHostMsgClose) |
| 238 PPAPI_END_MESSAGE_MAP() |
| 239 return PP_ERROR_FAILED; |
| 240 } |
| 241 |
| 242 int32_t PepperVideoEncoderHost::OnHostMsgGetSupportedProfiles( |
| 243 ppapi::host::HostMessageContext* context) { |
| 244 std::vector<PP_VideoProfileDescription> pp_profiles; |
| 245 GetSupportedProfiles(&pp_profiles); |
| 246 |
| 247 host()->SendReply( |
| 248 context->MakeReplyMessageContext(), |
| 249 PpapiPluginMsg_VideoEncoder_GetSupportedProfilesReply(pp_profiles)); |
| 250 |
| 251 return PP_OK_COMPLETIONPENDING; |
| 252 } |
| 253 |
| 254 int32_t PepperVideoEncoderHost::OnHostMsgInitialize( |
| 255 ppapi::host::HostMessageContext* context, |
| 256 PP_VideoFrame_Format input_format, |
| 257 const PP_Size& input_visible_size, |
| 258 PP_VideoProfile output_profile, |
| 259 uint32_t initial_bitrate, |
| 260 PP_HardwareAcceleration acceleration) { |
| 261 if (initialized_) |
| 262 return PP_ERROR_FAILED; |
| 263 |
| 264 media_input_format_ = PP_ToMediaVideoFormat(input_format); |
| 265 if (media_input_format_ == media::VideoFrame::UNKNOWN) |
| 266 return PP_ERROR_BADARGUMENT; |
| 267 |
| 268 media::VideoCodecProfile media_profile = |
| 269 PP_ToMediaVideoProfile(output_profile); |
| 270 if (media_profile == media::VIDEO_CODEC_PROFILE_UNKNOWN) |
| 271 return PP_ERROR_BADARGUMENT; |
| 272 |
| 273 gfx::Size input_size(input_visible_size.width, input_visible_size.height); |
| 274 if (input_size.IsEmpty()) |
| 275 return PP_ERROR_BADARGUMENT; |
| 276 |
| 277 if (!IsInitializationValid(input_visible_size, output_profile, acceleration)) |
| 278 return PP_ERROR_NOTSUPPORTED; |
| 279 |
| 280 int32_t error = PP_ERROR_NOTSUPPORTED; |
| 281 initialize_reply_context_ = context->MakeReplyMessageContext(); |
| 282 |
| 283 if (acceleration == PP_HARDWAREACCELERATION_ONLY || |
| 284 acceleration == PP_HARDWAREACCELERATION_WITHFALLBACK) { |
| 285 if (InitializeHardware(media_input_format_, input_size, media_profile, |
| 286 initial_bitrate)) |
| 287 return PP_OK_COMPLETIONPENDING; |
| 288 |
| 289 if (acceleration == PP_HARDWAREACCELERATION_ONLY) |
| 290 error = PP_ERROR_FAILED; |
| 291 } |
| 292 |
| 293 // TODO(llandwerlin): Software encoder. |
| 294 initialize_reply_context_ = ppapi::host::ReplyMessageContext(); |
| 295 Close(); |
| 296 return error; |
| 297 } |
| 298 |
| 299 int32_t PepperVideoEncoderHost::OnHostMsgGetVideoFrames( |
| 300 ppapi::host::HostMessageContext* context) { |
| 301 if (encoder_last_error_) |
| 302 return encoder_last_error_; |
| 303 |
| 304 get_video_frames_reply_context_ = context->MakeReplyMessageContext(); |
| 305 AllocateVideoFrames(); |
| 306 |
| 307 return PP_OK_COMPLETIONPENDING; |
| 308 } |
| 309 |
| 310 int32_t PepperVideoEncoderHost::OnHostMsgEncode( |
| 311 ppapi::host::HostMessageContext* context, |
| 312 uint32_t frame_id, |
| 313 bool force_keyframe) { |
| 314 if (encoder_last_error_) |
| 315 return encoder_last_error_; |
| 316 |
| 317 if (frame_id >= frame_count_) |
| 318 return PP_ERROR_FAILED; |
| 319 |
| 320 encoder_->Encode( |
| 321 CreateVideoFrame(frame_id, context->MakeReplyMessageContext()), |
| 322 force_keyframe); |
| 323 |
| 324 return PP_OK_COMPLETIONPENDING; |
| 325 } |
| 326 |
| 327 int32_t PepperVideoEncoderHost::OnHostMsgRecycleBitstreamBuffer( |
| 328 ppapi::host::HostMessageContext* context, |
| 329 uint32_t buffer_id) { |
| 330 if (encoder_last_error_) |
| 331 return encoder_last_error_; |
| 332 |
| 333 if (buffer_id >= shm_buffers_.size() || shm_buffers_[buffer_id]->in_use) |
| 334 return PP_ERROR_FAILED; |
| 335 |
| 336 shm_buffers_[buffer_id]->in_use = true; |
| 337 encoder_->UseOutputBitstreamBuffer( |
| 338 shm_buffers_[buffer_id]->ToBitstreamBuffer()); |
| 339 |
| 340 return PP_OK; |
| 341 } |
| 342 |
| 343 int32_t PepperVideoEncoderHost::OnHostMsgRequestEncodingParametersChange( |
| 344 ppapi::host::HostMessageContext* context, |
| 345 uint32_t bitrate, |
| 346 uint32_t framerate) { |
| 347 if (encoder_last_error_) |
| 348 return encoder_last_error_; |
| 349 |
| 350 encoder_->RequestEncodingParametersChange(bitrate, framerate); |
| 351 |
| 352 return PP_OK; |
| 353 } |
| 354 |
| 355 int32_t PepperVideoEncoderHost::OnHostMsgClose( |
| 356 ppapi::host::HostMessageContext* context) { |
| 357 encoder_last_error_ = PP_ERROR_FAILED; |
| 358 Close(); |
| 359 |
| 360 return PP_OK; |
| 361 } |
| 362 |
| 363 void PepperVideoEncoderHost::RequireBitstreamBuffers( |
| 364 unsigned int frame_count, |
| 365 const gfx::Size& input_coded_size, |
| 366 size_t output_buffer_size) { |
| 367 DCHECK(RenderThreadImpl::current()); |
| 368 // We assume RequireBitstreamBuffers is only called once. |
| 369 DCHECK(!initialized_); |
| 370 |
| 371 input_coded_size_ = input_coded_size; |
| 372 frame_count_ = frame_count; |
| 373 |
| 374 for (uint32_t i = 0; i < kDefaultNumberOfBitstreamBuffers; ++i) { |
| 375 scoped_ptr<base::SharedMemory> shm( |
| 376 RenderThread::Get() |
| 377 ->HostAllocateSharedMemoryBuffer(output_buffer_size) |
| 378 .Pass()); |
| 379 |
| 380 if (!shm || !shm->Map(output_buffer_size)) { |
| 381 shm_buffers_.clear(); |
| 382 break; |
| 383 } |
| 384 |
| 385 shm_buffers_.push_back(new ShmBuffer(i, shm.Pass())); |
| 386 } |
| 387 |
| 388 // Feed buffers to the encoder. |
| 389 std::vector<SerializedHandle> handles; |
| 390 for (size_t i = 0; i < shm_buffers_.size(); ++i) { |
| 391 encoder_->UseOutputBitstreamBuffer(shm_buffers_[i]->ToBitstreamBuffer()); |
| 392 handles.push_back(SerializedHandle( |
| 393 renderer_ppapi_host_->ShareHandleWithRemote( |
| 394 ConvertSharedMemoryHandle(*shm_buffers_[i]->shm), false), |
| 395 output_buffer_size)); |
| 396 } |
| 397 |
| 398 host()->SendUnsolicitedReplyWithHandles( |
| 399 pp_resource(), PpapiPluginMsg_VideoEncoder_BitstreamBuffers( |
| 400 static_cast<uint32_t>(output_buffer_size)), |
| 401 handles); |
| 402 |
| 403 if (!initialized_) { |
| 404 // Tell the plugin that initialization has been successful if we |
| 405 // haven't already. |
| 406 initialized_ = true; |
| 407 encoder_last_error_ = PP_OK; |
| 408 host()->SendReply(initialize_reply_context_, |
| 409 PpapiPluginMsg_VideoEncoder_InitializeReply( |
| 410 frame_count, PP_FromGfxSize(input_coded_size))); |
| 411 } |
| 412 |
| 413 if (shm_buffers_.empty()) { |
| 414 NotifyPepperError(PP_ERROR_NOMEMORY); |
| 415 return; |
| 416 } |
| 417 |
| 418 // If the plugin already requested video frames, we can now answer |
| 419 // that request. |
| 420 if (get_video_frames_reply_context_.is_valid()) |
| 421 AllocateVideoFrames(); |
| 422 } |
| 423 |
| 424 void PepperVideoEncoderHost::BitstreamBufferReady(int32 buffer_id, |
| 425 size_t payload_size, |
| 426 bool key_frame) { |
| 427 DCHECK(RenderThreadImpl::current()); |
| 428 DCHECK(shm_buffers_[buffer_id]->in_use); |
| 429 |
| 430 shm_buffers_[buffer_id]->in_use = false; |
| 431 host()->SendUnsolicitedReply( |
| 432 pp_resource(), |
| 433 PpapiPluginMsg_VideoEncoder_BitstreamBufferReady( |
| 434 buffer_id, static_cast<uint32_t>(payload_size), key_frame)); |
| 435 } |
| 436 |
| 437 void PepperVideoEncoderHost::NotifyError( |
| 438 media::VideoEncodeAccelerator::Error error) { |
| 439 DCHECK(RenderThreadImpl::current()); |
| 440 NotifyPepperError(PP_FromMediaEncodeAcceleratorError(error)); |
| 441 } |
| 442 |
| 443 void PepperVideoEncoderHost::GetSupportedProfiles( |
| 444 std::vector<PP_VideoProfileDescription>* pp_profiles) { |
| 445 DCHECK(RenderThreadImpl::current()); |
| 446 |
| 447 if (!EnsureGpuChannel()) |
| 448 return; |
| 449 |
| 450 std::vector<media::VideoEncodeAccelerator::SupportedProfile> profiles = |
| 451 GpuVideoEncodeAcceleratorHost::ConvertGpuToMediaProfiles( |
| 452 channel_->gpu_info().video_encode_accelerator_supported_profiles); |
| 453 for (media::VideoEncodeAccelerator::SupportedProfile profile : profiles) |
| 454 pp_profiles->push_back(PP_FromVideoEncodeAcceleratorSupportedProfile( |
| 455 profile, PP_HARDWAREACCELERATION_ONLY)); |
| 456 |
| 457 // TODO(llandwerlin): add software supported profiles. |
| 458 } |
| 459 |
| 460 bool PepperVideoEncoderHost::IsInitializationValid( |
| 461 const PP_Size& input_size, |
| 462 PP_VideoProfile output_profile, |
| 463 PP_HardwareAcceleration acceleration) { |
| 464 DCHECK(RenderThreadImpl::current()); |
| 465 |
| 466 std::vector<PP_VideoProfileDescription> profiles; |
| 467 GetSupportedProfiles(&profiles); |
| 468 |
| 469 for (const PP_VideoProfileDescription& profile : profiles) { |
| 470 if (output_profile == profile.profile && |
| 471 input_size.width <= profile.max_resolution.width && |
| 472 input_size.height <= profile.max_resolution.height && |
| 473 PP_HardwareAccelerationCompatible(profile.acceleration, acceleration)) |
| 474 return true; |
| 475 } |
| 476 |
| 477 return false; |
| 478 } |
| 479 |
| 480 bool PepperVideoEncoderHost::EnsureGpuChannel() { |
| 481 DCHECK(RenderThreadImpl::current()); |
| 482 |
| 483 if (command_buffer_) |
| 484 return true; |
| 485 |
| 486 // There is no guarantee that we have a 3D context to work with. So |
| 487 // we create a dummy command buffer to communicate with the gpu process. |
| 488 channel_ = RenderThreadImpl::current()->EstablishGpuChannelSync( |
| 489 CAUSE_FOR_GPU_LAUNCH_PEPPERVIDEOENCODERACCELERATOR_INITIALIZE); |
| 490 if (!channel_) |
| 491 return false; |
| 492 |
| 493 std::vector<int32> attribs(1, PP_GRAPHICS3DATTRIB_NONE); |
| 494 command_buffer_ = channel_->CreateOffscreenCommandBuffer( |
| 495 gfx::Size(), nullptr, attribs, GURL::EmptyGURL(), |
| 496 gfx::PreferIntegratedGpu); |
| 497 if (!command_buffer_) { |
| 498 Close(); |
| 499 return false; |
| 500 } |
| 501 |
| 502 command_buffer_->SetChannelErrorCallback(media::BindToCurrentLoop( |
| 503 base::Bind(&PepperVideoEncoderHost::NotifyPepperError, |
| 504 weak_ptr_factory_.GetWeakPtr(), PP_ERROR_RESOURCE_FAILED))); |
| 505 if (!command_buffer_->Initialize()) { |
| 506 Close(); |
| 507 return false; |
| 508 } |
| 509 |
| 510 return true; |
| 511 } |
| 512 |
| 513 bool PepperVideoEncoderHost::InitializeHardware( |
| 514 media::VideoFrame::Format input_format, |
| 515 const gfx::Size& input_visible_size, |
| 516 media::VideoCodecProfile output_profile, |
| 517 uint32_t initial_bitrate) { |
| 518 DCHECK(RenderThreadImpl::current()); |
| 519 |
| 520 if (!EnsureGpuChannel()) |
| 521 return false; |
| 522 |
| 523 encoder_ = command_buffer_->CreateVideoEncoder(); |
| 524 if (!encoder_ || |
| 525 !encoder_->Initialize(input_format, input_visible_size, output_profile, |
| 526 initial_bitrate, this)) |
| 527 return false; |
| 528 |
| 529 return true; |
| 530 } |
| 531 |
| 532 void PepperVideoEncoderHost::Close() { |
| 533 DCHECK(RenderThreadImpl::current()); |
| 534 |
| 535 encoder_ = nullptr; |
| 536 if (command_buffer_) { |
| 537 DCHECK(channel_); |
| 538 channel_->DestroyCommandBuffer(command_buffer_); |
| 539 command_buffer_ = nullptr; |
| 540 } |
| 541 } |
| 542 |
| 543 void PepperVideoEncoderHost::AllocateVideoFrames() { |
| 544 DCHECK(RenderThreadImpl::current()); |
| 545 DCHECK(get_video_frames_reply_context_.is_valid()); |
| 546 |
| 547 // Frames have already been allocated. |
| 548 if (buffer_manager_.number_of_buffers() > 0) { |
| 549 SendGetFramesErrorReply(PP_ERROR_FAILED); |
| 550 NOTREACHED(); |
| 551 return; |
| 552 } |
| 553 |
| 554 base::CheckedNumeric<uint32_t> size = |
| 555 media::VideoFrame::AllocationSize(media_input_format_, input_coded_size_); |
| 556 uint32_t frame_size = size.ValueOrDie(); |
| 557 size += sizeof(ppapi::MediaStreamBuffer::Video); |
| 558 uint32_t buffer_size = size.ValueOrDie(); |
| 559 // Make each buffer 4 byte aligned. |
| 560 size += (4 - buffer_size % 4); |
| 561 uint32_t buffer_size_aligned = size.ValueOrDie(); |
| 562 size *= frame_count_; |
| 563 uint32_t total_size = size.ValueOrDie(); |
| 564 |
| 565 scoped_ptr<base::SharedMemory> shm( |
| 566 RenderThreadImpl::current() |
| 567 ->HostAllocateSharedMemoryBuffer(total_size) |
| 568 .Pass()); |
| 569 if (!shm || |
| 570 !buffer_manager_.SetBuffers(frame_count_, |
| 571 buffer_size_aligned, |
| 572 shm.Pass(), |
| 573 true)) { |
| 574 SendGetFramesErrorReply(PP_ERROR_NOMEMORY); |
| 575 return; |
| 576 } |
| 577 |
| 578 VLOG(4) << " frame_count=" << frame_count_ << " frame_size=" << frame_size |
| 579 << " buffer_size=" << buffer_size_aligned; |
| 580 |
| 581 for (int32_t i = 0; i < buffer_manager_.number_of_buffers(); ++i) { |
| 582 ppapi::MediaStreamBuffer::Video* buffer = |
| 583 &(buffer_manager_.GetBufferPointer(i)->video); |
| 584 buffer->header.size = buffer_manager_.buffer_size(); |
| 585 buffer->header.type = ppapi::MediaStreamBuffer::TYPE_VIDEO; |
| 586 buffer->format = PP_FromMediaVideoFormat(media_input_format_); |
| 587 buffer->size.width = input_coded_size_.width(); |
| 588 buffer->size.height = input_coded_size_.height(); |
| 589 buffer->data_size = frame_size; |
| 590 } |
| 591 |
| 592 DCHECK(get_video_frames_reply_context_.is_valid()); |
| 593 get_video_frames_reply_context_.params.AppendHandle(SerializedHandle( |
| 594 renderer_ppapi_host_->ShareHandleWithRemote( |
| 595 ConvertSharedMemoryHandle(*buffer_manager_.shm()), false), |
| 596 total_size)); |
| 597 |
| 598 host()->SendReply(get_video_frames_reply_context_, |
| 599 PpapiPluginMsg_VideoEncoder_GetVideoFramesReply( |
| 600 frame_count_, buffer_size_aligned, |
| 601 PP_FromGfxSize(input_coded_size_))); |
| 602 get_video_frames_reply_context_ = ppapi::host::ReplyMessageContext(); |
| 603 } |
| 604 |
| 605 void PepperVideoEncoderHost::SendGetFramesErrorReply(int32_t error) { |
| 606 get_video_frames_reply_context_.params.set_result(error); |
| 607 host()->SendReply( |
| 608 get_video_frames_reply_context_, |
| 609 PpapiPluginMsg_VideoEncoder_GetVideoFramesReply(0, 0, PP_MakeSize(0, 0))); |
| 610 get_video_frames_reply_context_ = ppapi::host::ReplyMessageContext(); |
| 611 } |
| 612 |
| 613 scoped_refptr<media::VideoFrame> PepperVideoEncoderHost::CreateVideoFrame( |
| 614 uint32_t frame_id, |
| 615 const ppapi::host::ReplyMessageContext& reply_context) { |
| 616 DCHECK(RenderThreadImpl::current()); |
| 617 |
| 618 ppapi::MediaStreamBuffer* buffer = buffer_manager_.GetBufferPointer(frame_id); |
| 619 DCHECK(buffer); |
| 620 uint32_t shm_offset = static_cast<uint8*>(buffer->video.data) - |
| 621 static_cast<uint8*>(buffer_manager_.shm()->memory()); |
| 622 |
| 623 return media::VideoFrame::WrapExternalPackedMemory( |
| 624 media_input_format_, input_coded_size_, gfx::Rect(input_coded_size_), |
| 625 input_coded_size_, static_cast<uint8*>(buffer->video.data), |
| 626 buffer->video.data_size, buffer_manager_.shm()->handle(), shm_offset, |
| 627 base::TimeDelta(), |
| 628 base::Bind(&PepperVideoEncoderHost::FrameReleased, |
| 629 weak_ptr_factory_.GetWeakPtr(), reply_context, frame_id)); |
| 630 } |
| 631 |
| 632 void PepperVideoEncoderHost::FrameReleased( |
| 633 const ppapi::host::ReplyMessageContext& reply_context, |
| 634 uint32_t frame_id) { |
| 635 DCHECK(RenderThreadImpl::current()); |
| 636 |
| 637 ppapi::host::ReplyMessageContext context = reply_context; |
| 638 context.params.set_result(encoder_last_error_); |
| 639 host()->SendReply(context, PpapiPluginMsg_VideoEncoder_EncodeReply(frame_id)); |
| 640 } |
| 641 |
| 642 void PepperVideoEncoderHost::NotifyPepperError(int32_t error) { |
| 643 DCHECK(RenderThreadImpl::current()); |
| 644 |
| 645 encoder_last_error_ = error; |
| 646 Close(); |
| 647 host()->SendUnsolicitedReply( |
| 648 pp_resource(), |
| 649 PpapiPluginMsg_VideoEncoder_NotifyError(encoder_last_error_)); |
| 650 } |
| 651 |
| 652 } // namespace content |
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