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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_VIDEO_CAPTURE_LINUX_V4L2_CAPTURE_DELEGATE_SINGLE_PLANE_H_
#define MEDIA_VIDEO_CAPTURE_LINUX_V4L2_CAPTURE_DELEGATE_SINGLE_PLANE_H_
#include "base/memory/ref_counted.h"
#include "media/video/capture/linux/v4l2_capture_delegate.h"
#include "media/video/capture/video_capture_device.h"
namespace base {
class SingleThreadTaskRunner;
} // namespace base
namespace media {
// V4L2 specifics for SPLANE API.
class V4L2CaptureDelegateSinglePlane final : public V4L2CaptureDelegate {
public:
V4L2CaptureDelegateSinglePlane(
const VideoCaptureDevice::Name& device_name,
const scoped_refptr<base::SingleThreadTaskRunner>& v4l2_task_runner,
int power_line_frequency)
: V4L2CaptureDelegate(device_name,
v4l2_task_runner,
power_line_frequency) {}
private:
// BufferTracker derivation to implement construction semantics for SPLANE.
class BufferTrackerSPlane final : public BufferTracker {
public:
bool Init(int fd, const v4l2_buffer& buffer) override;
private:
~BufferTrackerSPlane() override {}
};
~V4L2CaptureDelegateSinglePlane() override {}
// V4L2CaptureDelegate virtual methods implementation.
scoped_refptr<BufferTracker> CreateBufferTracker() const override;
bool FillV4L2Format(v4l2_format* format,
uint32_t width,
uint32_t height,
uint32_t pixelformat_fourcc) const override;
void FinishFillingV4L2Buffer(v4l2_buffer* buffer) const override;
void SetPayloadSize(const scoped_refptr<BufferTracker>& buffer_tracker,
const v4l2_buffer& buffer) const override;
void SendBuffer(const scoped_refptr<BufferTracker>& buffer_tracker,
const v4l2_format& format) const override;
};
} // namespace media
#endif // MEDIA_VIDEO_CAPTURE_LINUX_V4L2_CAPTURE_DELEGATE_MULTI_PLANE_H_
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