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Side by Side Diff: media/gpu/v4l2_slice_video_decode_accelerator.cc

Issue 1942123002: Plumb decoded video pixel format from GPU process to renderer. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 7 months ago
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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 "media/gpu/v4l2_slice_video_decode_accelerator.h" 5 #include "media/gpu/v4l2_slice_video_decode_accelerator.h"
6 6
7 #include <errno.h> 7 #include <errno.h>
8 #include <fcntl.h> 8 #include <fcntl.h>
9 #include <linux/videodev2.h> 9 #include <linux/videodev2.h>
10 #include <poll.h> 10 #include <poll.h>
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748 748
749 if (!gfx::Rect(coded_size_).Contains(gfx::Rect(visible_size_))) { 749 if (!gfx::Rect(coded_size_).Contains(gfx::Rect(visible_size_))) {
750 LOG(ERROR) << "Got invalid adjusted coded size: " << coded_size_.ToString(); 750 LOG(ERROR) << "Got invalid adjusted coded size: " << coded_size_.ToString();
751 return false; 751 return false;
752 } 752 }
753 753
754 DVLOGF(3) << "buffer_count=" << num_pictures 754 DVLOGF(3) << "buffer_count=" << num_pictures
755 << ", visible size=" << visible_size_.ToString() 755 << ", visible size=" << visible_size_.ToString()
756 << ", coded size=" << coded_size_.ToString(); 756 << ", coded size=" << coded_size_.ToString();
757 757
758 VideoPixelFormat pixel_format =
759 V4L2Device::V4L2PixFmtToVideoPixelFormat(output_format_fourcc_);
760
758 child_task_runner_->PostTask( 761 child_task_runner_->PostTask(
759 FROM_HERE, 762 FROM_HERE,
760 base::Bind(&VideoDecodeAccelerator::Client::ProvidePictureBuffers, 763 base::Bind(&VideoDecodeAccelerator::Client::ProvidePictureBuffers,
761 client_, num_pictures, 1, coded_size_, 764 client_, num_pictures, pixel_format, 1, coded_size_,
762 device_->GetTextureTarget())); 765 device_->GetTextureTarget()));
763 766
764 // Go into kAwaitingPictureBuffers to prevent us from doing any more decoding 767 // Go into kAwaitingPictureBuffers to prevent us from doing any more decoding
765 // or event handling while we are waiting for AssignPictureBuffers(). Not 768 // or event handling while we are waiting for AssignPictureBuffers(). Not
766 // having Pictures available would not have prevented us from making decoding 769 // having Pictures available would not have prevented us from making decoding
767 // progress entirely e.g. in the case of H.264 where we could further decode 770 // progress entirely e.g. in the case of H.264 where we could further decode
768 // non-slice NALUs and could even get another resolution change before we were 771 // non-slice NALUs and could even get another resolution change before we were
769 // done with this one. After we get the buffers, we'll go back into kIdle and 772 // done with this one. After we get the buffers, we'll go back into kIdle and
770 // kick off further event processing, and eventually go back into kDecoding 773 // kick off further event processing, and eventually go back into kDecoding
771 // once no more events are pending (if any). 774 // once no more events are pending (if any).
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2784 } 2787 }
2785 2788
2786 bool V4L2SliceVideoDecodeAccelerator::TryToSetupDecodeOnSeparateThread( 2789 bool V4L2SliceVideoDecodeAccelerator::TryToSetupDecodeOnSeparateThread(
2787 const base::WeakPtr<Client>& decode_client, 2790 const base::WeakPtr<Client>& decode_client,
2788 const scoped_refptr<base::SingleThreadTaskRunner>& decode_task_runner) { 2791 const scoped_refptr<base::SingleThreadTaskRunner>& decode_task_runner) {
2789 decode_client_ = decode_client_; 2792 decode_client_ = decode_client_;
2790 decode_task_runner_ = decode_task_runner; 2793 decode_task_runner_ = decode_task_runner;
2791 return true; 2794 return true;
2792 } 2795 }
2793 2796
2794 media::VideoPixelFormat V4L2SliceVideoDecodeAccelerator::GetOutputFormat()
2795 const {
2796 return V4L2Device::V4L2PixFmtToVideoPixelFormat(output_format_fourcc_);
2797 }
2798
2799 // static 2797 // static
2800 media::VideoDecodeAccelerator::SupportedProfiles 2798 media::VideoDecodeAccelerator::SupportedProfiles
2801 V4L2SliceVideoDecodeAccelerator::GetSupportedProfiles() { 2799 V4L2SliceVideoDecodeAccelerator::GetSupportedProfiles() {
2802 scoped_refptr<V4L2Device> device = V4L2Device::Create(V4L2Device::kDecoder); 2800 scoped_refptr<V4L2Device> device = V4L2Device::Create(V4L2Device::kDecoder);
2803 if (!device) 2801 if (!device)
2804 return SupportedProfiles(); 2802 return SupportedProfiles();
2805 2803
2806 return device->GetSupportedDecodeProfiles(arraysize(supported_input_fourccs_), 2804 return device->GetSupportedDecodeProfiles(arraysize(supported_input_fourccs_),
2807 supported_input_fourccs_); 2805 supported_input_fourccs_);
2808 } 2806 }
2809 2807
2810 } // namespace media 2808 } // namespace media
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