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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/media/rtc_video_decoder.h" | 5 #include "content/renderer/media/rtc_video_decoder.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "base/message_loop/message_loop_proxy.h" | 10 #include "base/message_loop/message_loop_proxy.h" |
| 11 #include "base/metrics/histogram.h" | 11 #include "base/metrics/histogram.h" |
| 12 #include "base/numerics/safe_conversions.h" | 12 #include "base/numerics/safe_conversions.h" |
| 13 #include "base/stl_util.h" | 13 #include "base/stl_util.h" |
| 14 #include "base/synchronization/waitable_event.h" | 14 #include "base/synchronization/waitable_event.h" |
| 15 #include "base/task_runner_util.h" | 15 #include "base/task_runner_util.h" |
| 16 #include "content/renderer/media/native_handle_impl.h" | |
| 17 #include "gpu/command_buffer/common/mailbox_holder.h" | 16 #include "gpu/command_buffer/common/mailbox_holder.h" |
| 18 #include "media/base/bind_to_current_loop.h" | 17 #include "media/base/bind_to_current_loop.h" |
| 19 #include "media/renderers/gpu_video_accelerator_factories.h" | 18 #include "media/renderers/gpu_video_accelerator_factories.h" |
| 20 #include "third_party/skia/include/core/SkBitmap.h" | 19 #include "third_party/skia/include/core/SkBitmap.h" |
| 20 #include "third_party/webrtc/base/bind.h" |
| 21 #include "third_party/webrtc/common_video/interface/i420_video_frame.h" | 21 #include "third_party/webrtc/common_video/interface/i420_video_frame.h" |
| 22 #include "third_party/webrtc/system_wrappers/interface/ref_count.h" | 22 #include "third_party/webrtc/system_wrappers/interface/ref_count.h" |
| 23 | 23 |
| 24 static void ReleaseFrame(scoped_refptr<media::VideoFrame> frame) { |
| 25 } |
| 26 |
| 24 namespace content { | 27 namespace content { |
| 25 | 28 |
| 26 const int32 RTCVideoDecoder::ID_LAST = 0x3FFFFFFF; | 29 const int32 RTCVideoDecoder::ID_LAST = 0x3FFFFFFF; |
| 27 const int32 RTCVideoDecoder::ID_HALF = 0x20000000; | 30 const int32 RTCVideoDecoder::ID_HALF = 0x20000000; |
| 28 const int32 RTCVideoDecoder::ID_INVALID = -1; | 31 const int32 RTCVideoDecoder::ID_INVALID = -1; |
| 29 | 32 |
| 30 // Maximum number of concurrent VDA::Decode() operations RVD will maintain. | 33 // Maximum number of concurrent VDA::Decode() operations RVD will maintain. |
| 31 // Higher values allow better pipelining in the GPU, but also require more | 34 // Higher values allow better pipelining in the GPU, but also require more |
| 32 // resources. | 35 // resources. |
| 33 static const size_t kMaxInFlightDecodes = 8; | 36 static const size_t kMaxInFlightDecodes = 8; |
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| 381 GetBufferData(picture.bitstream_buffer_id(), ×tamp); | 384 GetBufferData(picture.bitstream_buffer_id(), ×tamp); |
| 382 scoped_refptr<media::VideoFrame> frame = | 385 scoped_refptr<media::VideoFrame> frame = |
| 383 CreateVideoFrame(picture, pb, timestamp); | 386 CreateVideoFrame(picture, pb, timestamp); |
| 384 bool inserted = | 387 bool inserted = |
| 385 picture_buffers_at_display_.insert(std::make_pair( | 388 picture_buffers_at_display_.insert(std::make_pair( |
| 386 picture.picture_buffer_id(), | 389 picture.picture_buffer_id(), |
| 387 pb.texture_id())).second; | 390 pb.texture_id())).second; |
| 388 DCHECK(inserted); | 391 DCHECK(inserted); |
| 389 | 392 |
| 390 // Create a WebRTC video frame. | 393 // Create a WebRTC video frame. |
| 391 webrtc::RefCountImpl<NativeHandleImpl>* handle = | 394 webrtc::I420VideoFrame decoded_image(frame.get(), |
| 392 new webrtc::RefCountImpl<NativeHandleImpl>(frame); | |
| 393 webrtc::I420VideoFrame decoded_image(handle, | |
| 394 picture.visible_rect().width(), | 395 picture.visible_rect().width(), |
| 395 picture.visible_rect().height(), | 396 picture.visible_rect().height(), |
| 396 timestamp, | 397 timestamp, |
| 397 0); | 398 0, |
| 399 webrtc::kVideoRotation_0, |
| 400 rtc::Bind(&ReleaseFrame, frame)); |
| 398 | 401 |
| 399 // Invoke decode callback. WebRTC expects no callback after Reset or Release. | 402 // Invoke decode callback. WebRTC expects no callback after Reset or Release. |
| 400 { | 403 { |
| 401 base::AutoLock auto_lock(lock_); | 404 base::AutoLock auto_lock(lock_); |
| 402 DCHECK(decode_complete_callback_ != NULL); | 405 DCHECK(decode_complete_callback_ != NULL); |
| 403 if (IsBufferAfterReset(picture.bitstream_buffer_id(), | 406 if (IsBufferAfterReset(picture.bitstream_buffer_id(), |
| 404 reset_bitstream_buffer_id_)) { | 407 reset_bitstream_buffer_id_)) { |
| 405 decode_complete_callback_->Decoded(decoded_image); | 408 decode_complete_callback_->Decoded(decoded_image); |
| 406 } | 409 } |
| 407 } | 410 } |
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| 776 UMA_HISTOGRAM_BOOLEAN("Media.RTCVideoDecoderInitDecodeSuccess", sample); | 779 UMA_HISTOGRAM_BOOLEAN("Media.RTCVideoDecoderInitDecodeSuccess", sample); |
| 777 return status; | 780 return status; |
| 778 } | 781 } |
| 779 | 782 |
| 780 void RTCVideoDecoder::DCheckGpuVideoAcceleratorFactoriesTaskRunnerIsCurrent() | 783 void RTCVideoDecoder::DCheckGpuVideoAcceleratorFactoriesTaskRunnerIsCurrent() |
| 781 const { | 784 const { |
| 782 DCHECK(factories_->GetTaskRunner()->BelongsToCurrentThread()); | 785 DCHECK(factories_->GetTaskRunner()->BelongsToCurrentThread()); |
| 783 } | 786 } |
| 784 | 787 |
| 785 } // namespace content | 788 } // namespace content |
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