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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/renderer/pepper/pepper_video_encoder_host.h" | 5 #include "content/renderer/pepper/pepper_video_encoder_host.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 | 8 |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/memory/shared_memory.h" | 10 #include "base/memory/shared_memory.h" |
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| 492 | 492 |
| 493 bool PepperVideoEncoderHost::EnsureGpuChannel() { | 493 bool PepperVideoEncoderHost::EnsureGpuChannel() { |
| 494 DCHECK(RenderThreadImpl::current()); | 494 DCHECK(RenderThreadImpl::current()); |
| 495 | 495 |
| 496 if (command_buffer_) | 496 if (command_buffer_) |
| 497 return true; | 497 return true; |
| 498 | 498 |
| 499 // There is no guarantee that we have a 3D context to work with. So | 499 // There is no guarantee that we have a 3D context to work with. So |
| 500 // we create a dummy command buffer to communicate with the gpu process. | 500 // we create a dummy command buffer to communicate with the gpu process. |
| 501 channel_ = RenderThreadImpl::current()->EstablishGpuChannelSync( | 501 channel_ = RenderThreadImpl::current()->EstablishGpuChannelSync( |
| 502 CAUSE_FOR_GPU_LAUNCH_PEPPERVIDEOENCODERACCELERATOR_INITIALIZE); | 502 gpu::CAUSE_FOR_GPU_LAUNCH_PEPPERVIDEOENCODERACCELERATOR_INITIALIZE); |
| 503 if (!channel_) | 503 if (!channel_) |
| 504 return false; | 504 return false; |
| 505 | 505 |
| 506 std::vector<int32_t> attribs(1, PP_GRAPHICS3DATTRIB_NONE); | 506 std::vector<int32_t> attribs(1, PP_GRAPHICS3DATTRIB_NONE); |
| 507 command_buffer_ = channel_->CreateCommandBuffer( | 507 command_buffer_ = channel_->CreateCommandBuffer( |
| 508 gpu::kNullSurfaceHandle, gfx::Size(), nullptr, | 508 gpu::kNullSurfaceHandle, gfx::Size(), nullptr, |
| 509 GpuChannelHost::kDefaultStreamId, GpuChannelHost::kDefaultStreamPriority, | 509 GpuChannelHost::kDefaultStreamId, GpuChannelHost::kDefaultStreamPriority, |
| 510 attribs, GURL::EmptyGURL(), gfx::PreferIntegratedGpu); | 510 attribs, GURL::EmptyGURL(), gfx::PreferIntegratedGpu); |
| 511 if (!command_buffer_) { | 511 if (!command_buffer_) { |
| 512 Close(); | 512 Close(); |
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| 660 } | 660 } |
| 661 | 661 |
| 662 uint8_t* PepperVideoEncoderHost::ShmHandleToAddress(int32_t buffer_id) { | 662 uint8_t* PepperVideoEncoderHost::ShmHandleToAddress(int32_t buffer_id) { |
| 663 DCHECK(RenderThreadImpl::current()); | 663 DCHECK(RenderThreadImpl::current()); |
| 664 DCHECK_GE(buffer_id, 0); | 664 DCHECK_GE(buffer_id, 0); |
| 665 DCHECK_LT(buffer_id, static_cast<int32_t>(shm_buffers_.size())); | 665 DCHECK_LT(buffer_id, static_cast<int32_t>(shm_buffers_.size())); |
| 666 return static_cast<uint8_t*>(shm_buffers_[buffer_id]->shm->memory()); | 666 return static_cast<uint8_t*>(shm_buffers_[buffer_id]->shm->memory()); |
| 667 } | 667 } |
| 668 | 668 |
| 669 } // namespace content | 669 } // namespace content |
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