doubango/bindings/_common/ProxyProducer.h

/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/

/**@file ProxyProducer.h
 * @brief Audio/Video proxy consumers.
 *
 * @author Mamadou Diop <diopmamadou(at)doubango.org>
 *

 */
#ifndef TINYWRAP_PRODUCER_PROXY_H
#define TINYWRAP_PRODUCER_PROXY_H

#include "tinyWRAP_config.h"

#include "ProxyPluginMgr.h"

#include "tinymedia/tmedia_common.h"
#include "tinymedia/tmedia_producer.h"

/* ============ ProxyAudioProducerCallback Class ================= */
class ProxyAudioProducerCallback
{
public:
    ProxyAudioProducerCallback() { }
    virtual ~ProxyAudioProducerCallback() { }

    virtual int prepare(int ptime, int rate, int channels) {
        return -1;
    }
    virtual int start() {
        return -1;
    }
    virtual int pause() {
        return -1;
    }
    virtual int stop() {
        return -1;
    }
    // this function is called to signal that it's time to copy push data
    virtual int fillPushBuffer() {
        return -1;
    }
};


/* ============ ProxyAudioProducer Class ================= */
class ProxyAudioProducer : public ProxyPlugin
{
public:
#if !defined(SWIG)
    ProxyAudioProducer(struct twrap_producer_proxy_audio_s* pProducer);
#endif
    virtual ~ProxyAudioProducer();

    bool setActualSndCardRecordParams(int nPtime, int nRate, int nChannels);
    bool setPushBuffer(const void* pPushBufferPtr, unsigned nPushBufferSize, bool bUsePushCallback=false);
    int push(const void* pBuffer=tsk_null, unsigned nSize=0);
    bool setGain(unsigned nGain);
    unsigned getGain();
    void setCallback(ProxyAudioProducerCallback* pCallback) {
        m_pCallback = pCallback;
    }
#if !defined(SWIG)
    inline bool usePushCallback() {
        return m_bUsePushCallback;
    }
    inline ProxyAudioProducerCallback* getCallback()const {
        return m_pCallback;
    }
    virtual inline bool isWrapping(tsk_object_t* pWrappedPlugin) {
        return m_pWrappedPlugin == pWrappedPlugin;
    }
#endif
    virtual inline uint64_t getMediaSessionId() {
        return m_pWrappedPlugin ? TMEDIA_PRODUCER(m_pWrappedPlugin)->session_id : 0;
    }

#if !defined(SWIG)
public:
    bool startPushCallback();
    bool stopPushCallback();
private:
    static int pushTimerCallback(const void* arg, tsk_timer_id_t timer_id);
#endif

public:
    static bool registerPlugin();

private:
    struct twrap_producer_proxy_audio_s* m_pWrappedPlugin;
    ProxyAudioProducerCallback* m_pCallback;
    struct {
        const void* pPushBufferPtr;
        unsigned nPushBufferSize;
    } m_PushBuffer;
    bool m_bUsePushCallback;
    void* m_hPushTimerMgr;
    uint64_t m_uPushTimer;
};

/* ============ ProxyVideoProducerCallback Class ================= */
class ProxyVideoProducerCallback
{
public:
    ProxyVideoProducerCallback() { }
    virtual ~ProxyVideoProducerCallback() { }

    virtual int prepare(int width, int height, int fps) {
        return -1;
    }
    virtual int start() {
        return -1;
    }
    virtual int pause() {
        return -1;
    }
    virtual int stop() {
        return -1;
    }
};

/* ============ ProxyVideoProducer Class ================= */
class ProxyVideoProducer : public ProxyPlugin
{
public:
#if !defined(SWIG)
    ProxyVideoProducer(tmedia_chroma_t eChroma, struct twrap_producer_proxy_video_s* pProducer);
#endif
    virtual ~ProxyVideoProducer();

    int getRotation()const;
    bool setRotation(int nRot);
    bool getMirror()const;
    bool setMirror(bool bMirror);
    bool setActualCameraOutputSize(unsigned nWidth, unsigned nHeight);
    int push(const void* pBuffer, unsigned nSize);
    void setCallback(ProxyVideoProducerCallback* pCallback) {
        m_pCallback = pCallback;
    }
#if !defined(SWIG)
    int sendRaw(const void* pBuffer, unsigned nSize, unsigned nDuration, bool bMarker);
    int sendRaw(const void* pBuffer, unsigned nSize, const void* proto_hdr);
    inline ProxyVideoProducerCallback* getCallback()const {
        return m_pCallback;
    }
    virtual inline bool isWrapping(tsk_object_t* wrapped_plugin) {
        return m_pWrappedPlugin == wrapped_plugin;
    }
    virtual inline const tmedia_producer_t* getWrappedPlugin()const {
        return (tmedia_producer_t*)m_pWrappedPlugin;
    }
#endif
    virtual inline uint64_t getMediaSessionId() {
        return m_pWrappedPlugin ? TMEDIA_PRODUCER(m_pWrappedPlugin)->session_id : 0;
    }

public:
    static bool registerPlugin();
    static void setDefaultChroma(tmedia_chroma_t eChroma) {
        s_eDefaultChroma =  eChroma;
    }

#if !defined(SWIG)
    tmedia_chroma_t getChroma()const;
    static tmedia_chroma_t getDefaultChroma() {
        return s_eDefaultChroma;
    }
#endif

private:
    struct twrap_producer_proxy_video_s* m_pWrappedPlugin;
    ProxyVideoProducerCallback* m_pCallback;
    tmedia_chroma_t m_eChroma;
    int m_nRotation;
    bool m_bMirror;

    static tmedia_chroma_t s_eDefaultChroma;
};

#endif /* TINYWRAP_PRODUCER_PROXY_H */