C++ pjmedia_endpt_create_pool函数代码示例

/*
 * Create the ZRTP transport.
 */
PJ_DEF(pj_status_t) pjmedia_transport_zrtp_create(pjmedia_endpt *endpt,
        const char *name,
        pjmedia_transport *transport,
        pjmedia_transport **p_tp,
        pj_bool_t close_slave)
{
    pj_pool_t *pool;
    struct tp_zrtp *zrtp;
    pj_status_t rc;

    if (name == NULL)
        name = "tzrtp%p";

    /* Create the pool and initialize the adapter structure */
    pool = pjmedia_endpt_create_pool(endpt, name, 5*1024, 512);
    zrtp = PJ_POOL_ZALLOC_T(pool, struct tp_zrtp);
    zrtp->pool = pool;
    pj_ansi_strncpy(zrtp->base.name, pool->obj_name,
                    sizeof(zrtp->base.name));
    zrtp->base.type = (pjmedia_transport_type)
                      (PJMEDIA_TRANSPORT_TYPE_USER + 2);
    zrtp->base.op = &tp_zrtp_op;

#ifndef DYNAMIC_TIMER
    if (timer_pool == NULL)
    {
        timer_pool = pjmedia_endpt_create_pool(endpt, "zrtp_timer", 256, 256);
        rc = timer_initialize();
        if (rc != PJ_SUCCESS)
        {
            pj_pool_release(timer_pool);
            pj_pool_release(zrtp->pool);
            return rc;
        }
    }
#else
    zrtp->timer_heap = pjsip_endpt_get_timer_heap(pjsua_var.endpt);
#endif

    /* Create the empty wrapper */
    zrtp->zrtpCtx = zrtp_CreateWrapper();

    /* Initialize standard values */
    zrtp->clientIdString = clientId;    /* Set standard name */
    zrtp->zrtpSeq = 1;                  /* TODO: randomize */
    rc = pj_mutex_create_simple(zrtp->pool, "zrtp", &zrtp->zrtpMutex);
    zrtp->zrtpBuffer = pj_pool_zalloc(pool, MAX_ZRTP_SIZE);
    zrtp->sendBuffer = pj_pool_zalloc(pool, MAX_RTP_BUFFER_LEN);
    zrtp->sendBufferCtrl = pj_pool_zalloc(pool, MAX_RTCP_BUFFER_LEN);

    zrtp->slave_tp = transport;
    zrtp->close_slave = close_slave;
    zrtp->mitmMode = PJ_FALSE;

    /* Done */
    zrtp->refcount++;
    *p_tp = &zrtp->base;
    return PJ_SUCCESS;
}

/*
 * Allocate a new Opus codec instance.
 */
static pj_status_t factory_alloc_codec( pjmedia_codec_factory *factory, 
					const pjmedia_codec_info *ci, 
					pjmedia_codec **p_codec )
{
    pjmedia_codec *codec;
    pj_pool_t *pool;
    pj_status_t status;
    struct opus_data *opus_data;
    struct opus_codec_factory *f = (struct opus_codec_factory*) factory;

    TRACE_((THIS_FILE, "%s:%d: - TRACE", __FUNCTION__, __LINE__));

    pool = pjmedia_endpt_create_pool(f->endpt, "opus", 512, 512);
    if (!pool) return PJ_ENOMEM;
    
    opus_data = PJ_POOL_ZALLOC_T(pool, struct opus_data);
    codec     = PJ_POOL_ZALLOC_T(pool, pjmedia_codec);

    status = pj_mutex_create_simple (pool, "opus_mutex", &opus_data->mutex);
    if (status != PJ_SUCCESS) {
    	pj_pool_release(pool);
    	return status;
    }

    pj_memcpy(&opus_data->cfg, &opus_cfg, sizeof(pjmedia_codec_opus_config));
    opus_data->pool      = pool;
    codec->op            = &opus_op;
    codec->factory       = factory;
    codec->codec_data    = opus_data;

    *p_codec = codec;
    return PJ_SUCCESS;
}

/*
 * Create the adapter.
 */
PJ_DEF(pj_status_t) pjmedia_tp_adapter_create( pjmedia_endpt *endpt,
        const char *name,
        pjmedia_transport *transport,
        pj_bool_t del_base,
        pjmedia_transport **p_tp)
{
    pj_pool_t *pool;
    struct tp_adapter *adapter;

    if (name == NULL)
        name = "tpad%p";

    /* Create the pool and initialize the adapter structure */
    pool = pjmedia_endpt_create_pool(endpt, name, 512, 512);
    adapter = PJ_POOL_ZALLOC_T(pool, struct tp_adapter);
    adapter->pool = pool;
    pj_ansi_strncpy(adapter->base.name, pool->obj_name,
                    sizeof(adapter->base.name));
    adapter->base.type = (pjmedia_transport_type)
                         (PJMEDIA_TRANSPORT_TYPE_USER + 1);
    adapter->base.op = &tp_adapter_op;

    /* Save the transport as the slave transport */
    adapter->slave_tp = transport;
    adapter->del_base = del_base;

    /* Done */
    *p_tp = &adapter->base;
    return PJ_SUCCESS;
}

/*
 * Allocate a new iLBC codec instance.
 */
static pj_status_t ilbc_alloc_codec(pjmedia_codec_factory *factory, 
				    const pjmedia_codec_info *id,
				    pjmedia_codec **p_codec)
{
    pj_pool_t *pool;
    struct ilbc_codec *codec;

    PJ_ASSERT_RETURN(factory && id && p_codec, PJ_EINVAL);
    PJ_ASSERT_RETURN(factory == &ilbc_factory.base, PJ_EINVAL);

    pool = pjmedia_endpt_create_pool(ilbc_factory.endpt, "iLBC%p",
				     2000, 2000);
    PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM);

    codec = PJ_POOL_ZALLOC_T(pool, struct ilbc_codec);
    codec->base.op = &ilbc_op;
    codec->base.factory = factory;
    codec->pool = pool;

    pj_ansi_snprintf(codec->obj_name,  sizeof(codec->obj_name),
		     "ilbc%p", codec);

    *p_codec = &codec->base;
    return PJ_SUCCESS;
}

/*
 * Allocate a new SILK codec instance.
 */
static pj_status_t silk_alloc_codec(pjmedia_codec_factory *factory,
				    const pjmedia_codec_info *id,
				    pjmedia_codec **p_codec)
{
    pj_pool_t *pool;
    pjmedia_codec *codec;
    silk_private *silk;

    PJ_ASSERT_RETURN(factory && id && p_codec, PJ_EINVAL);
    PJ_ASSERT_RETURN(factory == &silk_factory.base, PJ_EINVAL);

    /* Create pool for codec instance */
    pool = pjmedia_endpt_create_pool(silk_factory.endpt, "silk", 512, 512);

    /* Allocate codec */
    codec = PJ_POOL_ZALLOC_T(pool, pjmedia_codec);
    codec->op = &silk_op;
    codec->factory = factory;
    codec->codec_data = PJ_POOL_ZALLOC_T(pool, silk_private);
    silk = (silk_private*) codec->codec_data;
    silk->pool = pool;
    silk->enc_ready = PJ_FALSE;
    silk->dec_ready = PJ_FALSE;
    silk->mode = silk_get_mode_from_clock_rate(id->clock_rate);

    *p_codec = codec;
    return PJ_SUCCESS;
}

/*
 * Initialize and register AMR codec factory to pjmedia endpoint.
 */
PJ_DEF(pj_status_t) pjmedia_codec_opencore_amr_init( pjmedia_endpt *endpt,
                                                     unsigned options)
{
    pjmedia_codec_mgr *codec_mgr;
    pj_str_t codec_name;
    pj_status_t status;

    if (amr_codec_factory.pool != NULL)
	return PJ_SUCCESS;

    /* Create AMR codec factory. */
    amr_codec_factory.base.op = &amr_factory_op;
    amr_codec_factory.base.factory_data = NULL;
    amr_codec_factory.endpt = endpt;
#ifdef USE_AMRNB
    amr_codec_factory.init[IDX_AMR_NB] = ((options & PJMEDIA_AMR_NO_NB) == 0);
#else
    amr_codec_factory.init[IDX_AMR_NB] = PJ_FALSE;
#endif
#ifdef USE_AMRWB
    amr_codec_factory.init[IDX_AMR_WB] = ((options & PJMEDIA_AMR_NO_WB) == 0);
#else
    amr_codec_factory.init[IDX_AMR_WB] = PJ_FALSE;
#endif

    amr_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "amr", 1000,
						       1000);
    if (!amr_codec_factory.pool)
	return PJ_ENOMEM;

    /* Get the codec manager. */
    codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
    if (!codec_mgr) {
	status = PJ_EINVALIDOP;
	goto on_error;
    }

    /* Register format match callback. */
    pj_cstr(&codec_name, "AMR");
    status = pjmedia_sdp_neg_register_fmt_match_cb(
					&codec_name,
					&pjmedia_codec_amr_match_sdp);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Register codec factory to endpoint. */
    status = pjmedia_codec_mgr_register_factory(codec_mgr, 
						&amr_codec_factory.base);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Done. */
    return PJ_SUCCESS;

on_error:
    pj_pool_release(amr_codec_factory.pool);
    amr_codec_factory.pool = NULL;
    return status;
}

PJ_DEF(pj_status_t) pjmedia_codec_l16_init(pjmedia_endpt *endpt,
					   unsigned options)
{
    pjmedia_codec_mgr *codec_mgr;
    pj_status_t status;


    PJ_UNUSED_ARG(options);


    if (l16_factory.endpt != NULL) {
	/* Already initialized. */
	return PJ_SUCCESS;
    }

    /* Init factory */
    l16_factory.base.op = &l16_factory_op;
    l16_factory.base.factory_data = NULL;
    l16_factory.endpt = endpt;

    /* Create pool */
    l16_factory.pool = pjmedia_endpt_create_pool(endpt, "l16", 4000, 4000);
    if (!l16_factory.pool)
	return PJ_ENOMEM;

    /* Create mutex. */
    status = pj_mutex_create_simple(l16_factory.pool, "l16", 
				    &l16_factory.mutex);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Get the codec manager. */
    codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
    if (!codec_mgr) {
	return PJ_EINVALIDOP;
    }

    /* Register codec factory to endpoint. */
    status = pjmedia_codec_mgr_register_factory(codec_mgr, 
						&l16_factory.base);
    if (status != PJ_SUCCESS)
	return status;


    return PJ_SUCCESS;

on_error:
    if (l16_factory.mutex) {
	pj_mutex_destroy(l16_factory.mutex);
	l16_factory.mutex = NULL;
    }
    if (l16_factory.pool) {
	pj_pool_release(l16_factory.pool);
	l16_factory.pool = NULL;
    }
    return status;
}

static pj_status_t l16_alloc_codec( pjmedia_codec_factory *factory, 
				    const pjmedia_codec_info *id,
				    pjmedia_codec **p_codec)
{
    pjmedia_codec *codec = NULL;
    struct l16_data *data;
    unsigned ptime;
    pj_pool_t *pool;

    pj_status_t status;

    PJ_ASSERT_RETURN(factory==&l16_factory.base, PJ_EINVAL);

    /* Lock mutex. */
    pj_mutex_lock(l16_factory.mutex);


    pool = pjmedia_endpt_create_pool(l16_factory.endpt, "l16", 4000, 4000);
    codec = PJ_POOL_ZALLOC_T(pool, pjmedia_codec);
    codec->codec_data = pj_pool_alloc(pool, sizeof(struct l16_data));
    codec->factory = factory;
    codec->op = &l16_op;

    /* Init private data */
    ptime = GET_PTIME(id->clock_rate);
    data = (struct l16_data*) codec->codec_data;
    data->frame_size = ptime * id->clock_rate * id->channel_cnt * 2 / 1000;
    data->clock_rate = id->clock_rate;
    data->pool = pool;

#if !PLC_DISABLED
    /* Create PLC */
    status = pjmedia_plc_create(pool, id->clock_rate, 
				data->frame_size >> 1, 0, 
				&data->plc);
    if (status != PJ_SUCCESS) {
	pj_mutex_unlock(l16_factory.mutex);
	return status;
    }
#endif

    /* Create silence detector */
    status = pjmedia_silence_det_create(pool, id->clock_rate, 
					data->frame_size >> 1,
					&data->vad);
    if (status != PJ_SUCCESS) {
	pj_mutex_unlock(l16_factory.mutex);
	return status;
    }

    *p_codec = codec;

    /* Unlock mutex. */
    pj_mutex_unlock(l16_factory.mutex);

    return PJ_SUCCESS;
}

PJ_DEF(pj_status_t) pjmedia_codec_opus_init(pjmedia_endpt *endpt) {
  pjmedia_codec_mgr *codec_mgr;
  pj_status_t status;

  if (opus_factory.endpt != NULL) {
    /* Already initialized. */
    return PJ_SUCCESS;
  }

  /* Init factory */
  opus_factory.base.op = &opus_factory_op;
  opus_factory.base.factory_data = NULL;
  opus_factory.endpt = endpt;
  if (opus_factory.internal_clock_rate == 0) {
    opus_factory.internal_clock_rate = 48000;
  }

  /* Create pool */
  opus_factory.pool =
      pjmedia_endpt_create_pool(endpt, "opus codecs", 4000, 4000);
  if (!opus_factory.pool) return PJ_ENOMEM;

  /* Init list */
  pj_list_init(&opus_factory.codec_list);

  /* Create mutex. */
  status = pj_mutex_create_simple(opus_factory.pool, "opus codecs",
                                  &opus_factory.mutex);
  if (status != PJ_SUCCESS) goto on_error;
  PJ_LOG(5, (THIS_FILE, "Init opus"));

  /* Get the codec manager. */
  codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
  if (!codec_mgr) {
    return PJ_EINVALIDOP;
  }

  PJ_LOG(5, (THIS_FILE, "Init opus > DONE"));

  /* Register codec factory to endpoint. */
  status = pjmedia_codec_mgr_register_factory(codec_mgr, &opus_factory.base);
  if (status != PJ_SUCCESS) return status;

  return PJ_SUCCESS;

on_error:
  if (opus_factory.mutex) {
    pj_mutex_destroy(opus_factory.mutex);
    opus_factory.mutex = NULL;
  }
  if (opus_factory.pool) {
    pj_pool_release(opus_factory.pool);
    opus_factory.pool = NULL;
  }

  return status;
}

/*
 * Initialize and register G722 codec factory to pjmedia endpoint.
 */
PJ_DEF(pj_status_t) pjmedia_codec_g722_init( pjmedia_endpt *endpt )
{
    pjmedia_codec_mgr *codec_mgr;
    pj_status_t status;

    if (g722_codec_factory.pool != NULL)
	return PJ_SUCCESS;

    /* Create G722 codec factory. */
    g722_codec_factory.base.op = &g722_factory_op;
    g722_codec_factory.base.factory_data = NULL;
    g722_codec_factory.endpt = endpt;
    g722_codec_factory.pcm_shift = PJMEDIA_G722_DEFAULT_PCM_SHIFT;

    g722_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "g722", 1000, 
						        1000);
    if (!g722_codec_factory.pool)
	return PJ_ENOMEM;

    pj_list_init(&g722_codec_factory.codec_list);

    /* Create mutex. */
    status = pj_mutex_create_simple(g722_codec_factory.pool, "g722", 
				    &g722_codec_factory.mutex);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Get the codec manager. */
    codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
    if (!codec_mgr) {
	status = PJ_EINVALIDOP;
	goto on_error;
    }

    /* Register codec factory to endpoint. */
    status = pjmedia_codec_mgr_register_factory(codec_mgr, 
						&g722_codec_factory.base);
    if (status != PJ_SUCCESS)
	goto on_error;

    TRACE_((THIS_FILE, "G722 codec factory initialized"));
    
    /* Done. */
    return PJ_SUCCESS;

on_error:
    pj_pool_release(g722_codec_factory.pool);
    g722_codec_factory.pool = NULL;
    return status;
}

/*
 * Initialize and register GSM codec factory to pjmedia endpoint.
 */
PJ_DEF(pj_status_t) pjmedia_codec_gsm_init( pjmedia_endpt *endpt )
{
    pjmedia_codec_mgr *codec_mgr;
    pj_status_t status;

    if (gsm_codec_factory.pool != NULL)
	return PJ_SUCCESS;

    /* Create GSM codec factory. */
    gsm_codec_factory.base.op = &gsm_factory_op;
    gsm_codec_factory.base.factory_data = NULL;
    gsm_codec_factory.endpt = endpt;

    gsm_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "gsm", 4000, 
						       4000);
    if (!gsm_codec_factory.pool)
	return PJ_ENOMEM;

    pj_list_init(&gsm_codec_factory.codec_list);

    /* Create mutex. */
    status = pj_mutex_create_simple(gsm_codec_factory.pool, "gsm", 
				    &gsm_codec_factory.mutex);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Get the codec manager. */
    codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
    if (!codec_mgr) {
	status = PJ_EINVALIDOP;
	goto on_error;
    }

    /* Register codec factory to endpoint. */
    status = pjmedia_codec_mgr_register_factory(codec_mgr, 
						&gsm_codec_factory.base);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Done. */
    return PJ_SUCCESS;

on_error:
    pj_pool_release(gsm_codec_factory.pool);
    gsm_codec_factory.pool = NULL;
    return status;
}

/*
 * Initialize and register AMR-NB codec factory to pjmedia endpoint.
 */
PJ_DEF(pj_status_t) pjmedia_codec_opencore_amrnb_init( pjmedia_endpt *endpt )
{
    pjmedia_codec_mgr *codec_mgr;
    pj_status_t status;
    pj_str_t codec_name;

    if (amr_codec_factory.pool != NULL)
	return PJ_SUCCESS;

    /* Create AMR-NB codec factory. */
    amr_codec_factory.base.op = &amr_factory_op;
    amr_codec_factory.base.factory_data = NULL;
    amr_codec_factory.endpt = endpt;

    amr_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "amrnb", 1000,
						       1000);
    if (!amr_codec_factory.pool)
	return PJ_ENOMEM;

    /* Get the codec manager. */
    codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
    if (!codec_mgr) {
	status = PJ_EINVALIDOP;
	goto on_error;
    }
    /* Register format match callback. */
    pj_cstr(&codec_name, "AMR");
    status = pjmedia_sdp_neg_register_fmt_match_cb( &codec_name,
    		&pjmedia_codec_amr_match_sdp);
    if (status != PJ_SUCCESS){
    	goto on_error;
    }
    /* Register codec factory to endpoint. */
    status = pjmedia_codec_mgr_register_factory(codec_mgr,
						&amr_codec_factory.base);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Done. */
    return PJ_SUCCESS;

on_error:
    pj_pool_release(amr_codec_factory.pool);
    amr_codec_factory.pool = NULL;
    return status;
}

/*
 * Initialize and register Opus codec factory to pjmedia endpoint.
 */
PJ_DEF(pj_status_t) pjmedia_codec_opus_init( pjmedia_endpt *endpt )
{
    pj_status_t status;
    pjmedia_codec_mgr *codec_mgr;

    PJ_ASSERT_RETURN(endpt, PJ_EINVAL);

    if (opus_codec_factory.pool != NULL)
	return PJ_SUCCESS;

    /* Create the Opus codec factory */
    opus_codec_factory.base.op           = &opus_factory_op;
    opus_codec_factory.base.factory_data = &opus_codec_factory;
    opus_codec_factory.endpt             = endpt;

    opus_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "opus-factory",
    							1024, 1024);
    if (!opus_codec_factory.pool) {
	PJ_LOG(2, (THIS_FILE, "Unable to create memory pool for Opus codec"));
	return PJ_ENOMEM;
    }

    /* Get the codec manager */
    codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
    if (!codec_mgr) {
	PJ_LOG(2, (THIS_FILE, "Unable to get the codec manager"));
	status = PJ_EINVALIDOP;
	goto on_codec_factory_error;
    }

    /* Register the codec factory */
    status = pjmedia_codec_mgr_register_factory (codec_mgr,
						 &opus_codec_factory.base);
    if (status != PJ_SUCCESS) {
	PJ_LOG(2, (THIS_FILE, "Unable to register the codec factory"));
	goto on_codec_factory_error;
    }

    return PJ_SUCCESS;

on_codec_factory_error:
    pj_pool_release(opus_codec_factory.pool);
    opus_codec_factory.pool = NULL;
    return status;
}

/*
 * Allocate a new G726 codec instance.
 */
static pj_status_t g726_alloc_codec( pjmedia_codec_factory *factory, 
				     const pjmedia_codec_info *id,
				     pjmedia_codec **p_codec)
{
    pj_pool_t *pool;
    pjmedia_codec *codec;
    struct g726_private *priv;
    pj_status_t status;

    PJ_ASSERT_RETURN(factory && id && p_codec, PJ_EINVAL);
    PJ_ASSERT_RETURN(factory == &g726_codec_factory.base, PJ_EINVAL);

    pool = pjmedia_endpt_create_pool(g726_codec_factory.endpt, "g726-inst", 512, 512);

    codec = PJ_POOL_ZALLOC_T(pool, pjmedia_codec);
    PJ_ASSERT_RETURN(codec != NULL, PJ_ENOMEM);
    codec->op = &g726_op;
    codec->factory = factory;

    priv = PJ_POOL_ZALLOC_T(pool, struct g726_private);
    priv->pool = pool;
    codec->codec_data = priv;

#if USE_PJMEDIA_PLC
    /* Create PLC */
    status = pjmedia_plc_create(pool, SAMPLE_RATE, SAMPLES_PER_FRAME, 0, &priv->plc);
    if (status != PJ_SUCCESS) {
	return status;
    }
#else
    PJ_UNUSED_ARG(status);
#endif

    /* Create VAD */
    status = pjmedia_silence_det_create(pool, SAMPLE_RATE,
					SAMPLES_PER_FRAME, &priv->vad);
    if (status != PJ_SUCCESS) {
	return status;
    }

    *p_codec = codec;
    return PJ_SUCCESS;
}

/*
 * Allocate a new AMR-NB codec instance.
 */
static pj_status_t amr_alloc_codec( pjmedia_codec_factory *factory,
				    const pjmedia_codec_info *id,
				    pjmedia_codec **p_codec)
{
    pj_pool_t *pool;
    pjmedia_codec *codec;
    struct amr_data *amr_data;
    pj_status_t status = PJ_SUCCESS;

    PJ_ASSERT_RETURN(factory && id && p_codec, PJ_EINVAL);
    PJ_ASSERT_RETURN(factory == &amr_codec_factory.base, PJ_EINVAL);

    pool = pjmedia_endpt_create_pool(amr_codec_factory.endpt, "amrnb-inst",
				     512, 512);

    codec = PJ_POOL_ZALLOC_T(pool, pjmedia_codec);
    PJ_ASSERT_RETURN(codec != NULL, PJ_ENOMEM);
    codec->op = &amr_op;
    codec->factory = factory;

    amr_data = PJ_POOL_ZALLOC_T(pool, struct amr_data);
    codec->codec_data = amr_data;
    amr_data->pool = pool;

#if USE_PJMEDIA_PLC
    /* Create PLC */
    status = pjmedia_plc_create(pool, 8000, 160, 0, &amr_data->plc);
    if (status != PJ_SUCCESS) {
	return status;
    }
#else
    PJ_UNUSED_ARG(status);
#endif

    status = dlsym_stagefright(amr_data);
    if(status != PJ_SUCCESS){
    	return status;
    }

    *p_codec = codec;
    return PJ_SUCCESS;
}