gecko-dev/dom/media/webrtc/GonkCameraImage.cpp

82 строки
1.7 KiB
C++

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