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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 #ifndef MEDIA_VIDEO_CAPTURE_LINUX_V4L2_CAPTURE_DELEGATE_SINGLE_PLANE_H_ | |
| 6 #define MEDIA_VIDEO_CAPTURE_LINUX_V4L2_CAPTURE_DELEGATE_SINGLE_PLANE_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include "base/memory/ref_counted.h" | |
| 11 #include "media/capture/video/linux/v4l2_capture_delegate.h" | |
| 12 #include "media/capture/video/video_capture_device.h" | |
| 13 | |
| 14 namespace base { | |
| 15 class SingleThreadTaskRunner; | |
| 16 } // namespace base | |
| 17 | |
| 18 namespace media { | |
| 19 | |
| 20 // V4L2 specifics for SPLANE API. | |
| 21 class V4L2CaptureDelegateSinglePlane final : public V4L2CaptureDelegate { | |
| 22 public: | |
| 23 V4L2CaptureDelegateSinglePlane( | |
| 24 const VideoCaptureDevice::Name& device_name, | |
| 25 const scoped_refptr<base::SingleThreadTaskRunner>& v4l2_task_runner, | |
| 26 int power_line_frequency) | |
| 27 : V4L2CaptureDelegate(device_name, | |
| 28 v4l2_task_runner, | |
| 29 power_line_frequency) {} | |
| 30 | |
| 31 private: | |
| 32 // BufferTracker derivation to implement construction semantics for SPLANE. | |
| 33 class BufferTrackerSPlane final : public BufferTracker { | |
| 34 public: | |
| 35 bool Init(int fd, const v4l2_buffer& buffer) override; | |
| 36 | |
| 37 private: | |
| 38 ~BufferTrackerSPlane() override {} | |
| 39 }; | |
| 40 | |
| 41 ~V4L2CaptureDelegateSinglePlane() override {} | |
| 42 | |
| 43 // V4L2CaptureDelegate virtual methods implementation. | |
| 44 scoped_refptr<BufferTracker> CreateBufferTracker() const override; | |
| 45 bool FillV4L2Format(v4l2_format* format, | |
| 46 uint32_t width, | |
| 47 uint32_t height, | |
| 48 uint32_t pixelformat_fourcc) const override; | |
| 49 void FinishFillingV4L2Buffer(v4l2_buffer* buffer) const override; | |
| 50 void SetPayloadSize(const scoped_refptr<BufferTracker>& buffer_tracker, | |
| 51 const v4l2_buffer& buffer) const override; | |
| 52 void SendBuffer(const scoped_refptr<BufferTracker>& buffer_tracker, | |
| 53 const v4l2_format& format) const override; | |
| 54 }; | |
| 55 | |
| 56 } // namespace media | |
| 57 | |
| 58 #endif // MEDIA_VIDEO_CAPTURE_LINUX_V4L2_CAPTURE_DELEGATE_MULTI_PLANE_H_ | |
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