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- /**********
- This library is free software; you can redistribute it and/or modify it under
- the terms of the GNU Lesser General Public License as published by the
- Free Software Foundation; either version 3 of the License, or (at your
- option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
- This library is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
- more details.
- You should have received a copy of the GNU Lesser General Public License
- along with this library; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- **********/
- // "liveMedia"
- // Copyright (c) 1996-2019 Live Networks, Inc. All rights reserved.
- // A template for a MediaSource encapsulating an audio/video input device
- //
- // NOTE: Sections of this code labeled "%%% TO BE WRITTEN %%%" are incomplete, and needto be written by the programmer
- // (depending on the features of the particulardevice).
- // C++ header
- #ifndef _DEVICE_SOURCE_HH
- #define _DEVICE_SOURCE_HH
- #ifndef _FRAMED_SOURCE_HH
- #include "FramedSource.hh"
- #endif
- // The following class can be used to define specific encoder parameters
- class DeviceParameters {
- //%%% TO BE WRITTEN %%%
- };
- class DeviceSource: public FramedSource {
- public:
- static DeviceSource* createNew(UsageEnvironment& env,
- DeviceParameters params);
- public:
- static EventTriggerId eventTriggerId;
- // Note that this is defined here to be a static class variable, because this code is intended to illustrate how to
- // encapsulate a *single* device - not a set of devices.
- // You can, however, redefine this to be a non-static member variable.
- protected:
- DeviceSource(UsageEnvironment& env, DeviceParameters params);
- // called only by createNew(), or by subclass constructors
- virtual ~DeviceSource();
- private:
- // redefined virtual functions:
- virtual void doGetNextFrame();
- //virtual void doStopGettingFrames(); // optional
- private:
- static void deliverFrame0(void* clientData);
- void deliverFrame();
- private:
- static unsigned referenceCount; // used to count how many instances of this class currently exist
- DeviceParameters fParams;
- };
- #endif
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