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90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
/*
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* Copyright (C) 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "base/basictypes.h"
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#include "VideoUtils.h"
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#include "GonkCameraHwMgr.h"
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#include "GonkCameraPreview.h"
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#define DOM_CAMERA_LOG_LEVEL 2
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#include "CameraCommon.h"
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#include "GonkIOSurfaceImage.h"
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using namespace mozilla;
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void
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GonkCameraPreview::ReceiveFrame(mozilla::layers::GraphicBufferLocked* aBuffer)
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{
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DOM_CAMERA_LOGI("%s:%d : this=%p\n", __func__, __LINE__, this);
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if (!aBuffer)
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return;
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ImageFormat format = ImageFormat::GONK_IO_SURFACE;
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nsRefPtr<Image> image = mImageContainer->CreateImage(&format, 1);
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GonkIOSurfaceImage* videoImage = static_cast<GonkIOSurfaceImage*>(image.get());
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GonkIOSurfaceImage::Data data;
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data.mGraphicBuffer = aBuffer;
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data.mPicSize = gfxIntSize(mWidth, mHeight);
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videoImage->SetData(data);
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// AppendFrame() takes over image's reference
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mVideoSegment.AppendFrame(image.forget(), 1, gfxIntSize(mWidth, mHeight));
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mInput->AppendToTrack(TRACK_VIDEO, &mVideoSegment);
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mFrameCount += 1;
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if ((mFrameCount % 10) == 0) {
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DOM_CAMERA_LOGI("%s:%d : mFrameCount = %d\n", __func__, __LINE__, mFrameCount);
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}
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}
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nsresult
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GonkCameraPreview::StartImpl()
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{
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DOM_CAMERA_LOGI("%s:%d : this=%p\n", __func__, __LINE__, this);
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/**
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* We set and then immediately get the preview size, in case the camera
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* driver has decided to ignore our given dimensions.
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*/
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GonkCameraHardware::SetPreviewSize(mHwHandle, mWidth, mHeight);
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GonkCameraHardware::GetPreviewSize(mHwHandle, &mWidth, &mHeight);
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SetFrameRate(GonkCameraHardware::GetFps(mHwHandle));
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if (GonkCameraHardware::StartPreview(mHwHandle) != OK) {
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DOM_CAMERA_LOGE("%s: failed to start preview\n", __func__);
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return NS_ERROR_FAILURE;
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}
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// GetPreviewFormat() must be called after StartPreview().
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mFormat = GonkCameraHardware::GetPreviewFormat(mHwHandle);
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DOM_CAMERA_LOGI("preview stream is (actually!) %d x %d (w x h), %d frames per second, format %d\n", mWidth, mHeight, mFramesPerSecond, mFormat);
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return NS_OK;
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}
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nsresult
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GonkCameraPreview::StopImpl()
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{
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DOM_CAMERA_LOGI("%s:%d : this=%p\n", __func__, __LINE__, this);
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GonkCameraHardware::StopPreview(mHwHandle);
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mInput->EndTrack(TRACK_VIDEO);
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mInput->Finish();
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return NS_OK;
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}
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