// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/capture/video/mock_device.h"

namespace media {

MockDevice::MockDevice() = default;

MockDevice::~MockDevice() = default;

void MockDevice::SendStubFrame(const media::VideoCaptureFormat& format,
                               int rotation,
                               int frame_feedback_id) {
  auto stub_frame = media::VideoFrame::CreateZeroInitializedFrame(
      format.pixel_format, format.frame_size,
      gfx::Rect(format.frame_size.width(), format.frame_size.height()),
      format.frame_size, base::TimeDelta());
  // SAFETY: VideoFrame allocates a single contiguous buffer across all planes
  // starting at data(0). AllocationSize is used instead of data_span(0) to
  // encompass the full contiguous buffer across all planes (e.g., Y, U, and V)
  // rather than just plane 0.
  auto data_span = UNSAFE_BUFFERS(
      base::span(stub_frame->data(0),
                 media::VideoFrame::AllocationSize(stub_frame->format(),
                                                   stub_frame->coded_size())));
  client_->OnIncomingCapturedData(data_span, format, gfx::ColorSpace(),
                                  rotation, false /* flip_y */,
                                  base::TimeTicks(), base::TimeDelta(),
                                  /*capture_begin_timestamp=*/std::nullopt,
                                  /*metadata=*/std::nullopt, frame_feedback_id);
}

void MockDevice::SendOnStarted() {
  client_->OnStarted();
}

void MockDevice::AllocateAndStart(const media::VideoCaptureParams& params,
                                  std::unique_ptr<Client> client) {
  client_ = std::move(client);
  DoAllocateAndStart(params, &client_);
}

void MockDevice::StopAndDeAllocate() {
  DoStopAndDeAllocate();
  client_.reset();
}

void MockDevice::GetPhotoState(GetPhotoStateCallback callback) {
  DoGetPhotoState(&callback);
}

void MockDevice::SetPhotoOptions(media::mojom::PhotoSettingsPtr settings,
                                 SetPhotoOptionsCallback callback) {
  DoSetPhotoOptions(&settings, &callback);
}

void MockDevice::TakePhoto(TakePhotoCallback callback) {
  DoTakePhoto(&callback);
}

}  // namespace media

namespace media {
void MockDevice::InvalidateBuffers() {
  client_->InvalidateBuffers();
}

}  // namespace media