зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
1.8 KiB
C++
87 строки
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "GonkCameraImage.h"
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#include "stagefright/MediaBuffer.h"
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namespace mozilla {
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GonkCameraImage::GonkCameraImage()
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: GrallocImage()
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, mMonitor("GonkCameraImage.Monitor")
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, mMediaBuffer(nullptr)
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#ifdef DEBUG
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, mThread(nullptr)
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#endif
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{
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mFormat = ImageFormat::GONK_CAMERA_IMAGE;
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}
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GonkCameraImage::~GonkCameraImage()
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{
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ReentrantMonitorAutoEnter mon(mMonitor);
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// mMediaBuffer must be cleared before destructor.
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MOZ_ASSERT(mMediaBuffer == nullptr);
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}
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nsresult
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GonkCameraImage::GetMediaBuffer(android::MediaBuffer** aBuffer)
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{
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ReentrantMonitorAutoEnter mon(mMonitor);
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if (!mMediaBuffer) {
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return NS_ERROR_FAILURE;
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}
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MOZ_ASSERT(NS_GetCurrentThread() == mThread);
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*aBuffer = mMediaBuffer;
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mMediaBuffer->add_ref();
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return NS_OK;
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}
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bool
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GonkCameraImage::HasMediaBuffer()
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{
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ReentrantMonitorAutoEnter mon(mMonitor);
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return mMediaBuffer != nullptr;
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}
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nsresult
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GonkCameraImage::SetMediaBuffer(android::MediaBuffer* aBuffer)
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{
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ReentrantMonitorAutoEnter mon(mMonitor);
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MOZ_ASSERT(!mMediaBuffer);
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mMediaBuffer = aBuffer;
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mMediaBuffer->add_ref();
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#ifdef DEBUG
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mThread = NS_GetCurrentThread();
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#endif
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return NS_OK;
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}
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nsresult
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GonkCameraImage::ClearMediaBuffer()
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{
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ReentrantMonitorAutoEnter mon(mMonitor);
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if (mMediaBuffer) {
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MOZ_ASSERT(NS_GetCurrentThread() == mThread);
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mMediaBuffer->release();
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mMediaBuffer = nullptr;
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#ifdef DEBUG
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mThread = nullptr;
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#endif
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}
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return NS_OK;
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}
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} // namespace mozilla
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