Stream.h

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/*
 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  * Neither the name of NVIDIA CORPORATION nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ARGUS_STREAM_H
#define _ARGUS_STREAM_H

namespace Argus
{

DEFINE_NAMED_UUID_CLASS(StreamMode);
DEFINE_UUID(StreamMode, STREAM_MODE_MAILBOX, 33661d40,3ee2,11e6,bdf4,08,00,20,0c,9a,66);
DEFINE_UUID(StreamMode, STREAM_MODE_FIFO,    33661d41,3ee2,11e6,bdf4,08,00,20,0c,9a,66);

class InputStream : public InterfaceProvider, public Destructable
{
protected:
    ~InputStream() {}
};

class OutputStream : public InterfaceProvider, public Destructable
{
protected:
    ~OutputStream() {}
};

class OutputStreamSettings : public InterfaceProvider, public Destructable
{
protected:
    ~OutputStreamSettings() {}
};

DEFINE_UUID(InterfaceID, IID_STREAM, 8f50dade,cc26,4ec6,9d2e,d9,d0,19,2a,ef,06);

class IStream : public Interface
{
public:
    static const InterfaceID& id() { return IID_STREAM; }

    virtual Status waitUntilConnected(uint64_t timeout = TIMEOUT_INFINITE) const = 0;

    virtual void disconnect() = 0;

    virtual PixelFormat getPixelFormat() const = 0;

    virtual Size2D<uint32_t> getResolution() const = 0;

    virtual EGLDisplay getEGLDisplay() const = 0;

    virtual EGLStreamKHR getEGLStream() const = 0;

protected:
    ~IStream() {}
};

DEFINE_UUID(InterfaceID, IID_OUTPUT_STREAM_SETTINGS, 52f2b830,3d52,11e6,bdf4,08,00,20,0c,9a,66);

class IOutputStreamSettings : public Interface
{
public:
    static const InterfaceID& id() { return IID_OUTPUT_STREAM_SETTINGS; }

    virtual Status setPixelFormat(const PixelFormat& format) = 0;
    virtual PixelFormat getPixelFormat() const = 0;

    virtual Status setResolution(const Size2D<uint32_t>& resolution) = 0;
    virtual Size2D<uint32_t> getResolution() const = 0;

    virtual Status setCameraDevice(CameraDevice* device) = 0;
    virtual CameraDevice* getCameraDevice() const = 0;

    virtual Status setEGLDisplay(EGLDisplay eglDisplay) = 0;
    virtual EGLDisplay getEGLDisplay() const = 0;

    virtual Status setMode(const StreamMode& mode) = 0;
    virtual StreamMode getMode() const = 0;

    virtual Status setFifoLength(uint32_t fifoLength) = 0;
    virtual uint32_t getFifoLength() const = 0;

    virtual bool supportsOutputStreamFormat(const SensorMode* sensorMode,
                                            const PixelFormat& outputFormat) const = 0;

protected:
    ~IOutputStreamSettings() {}
};

} // namespace Argus
#endif // _ARGUS_STREAM_H