C++ (Cpp) t30_front_end_status示例

示例#1

文件： fax.c 项目： DastanIqbal/FreeSWITCH

static void hdlc_underflow_handler(void *user_data)
{
    t30_state_t *s;

    s = (t30_state_t *) user_data;
    t30_front_end_status(s, T30_FRONT_END_SEND_STEP_COMPLETE);
}

示例#2

文件： fax.c 项目： vir/spandsp

SPAN_DECLARE_NONSTD(int) fax_tx(fax_state_t *s, int16_t *amp, int max_len)
{
    int len;
#if defined(LOG_FAX_AUDIO)
    int required_len;

    required_len = max_len;
#endif
    len = 0;
    if (s->modems.transmit)
    {
        while ((len += s->modems.tx_handler(s->modems.tx_user_data, &amp[len], max_len - len)) < max_len)
        {
            /* Allow for a change of tx handler within a block */
            if (set_next_tx_type(s)  &&  s->modems.current_tx_type != T30_MODEM_NONE  &&  s->modems.current_tx_type != T30_MODEM_DONE)
                t30_front_end_status(&s->t30, T30_FRONT_END_SEND_STEP_COMPLETE);
            /*endif*/
            if (!s->modems.transmit)
            {
                if (s->modems.transmit_on_idle)
                {
                    /* Pad to the requested length with silence */
                    memset(&amp[len], 0, (max_len - len)*sizeof(int16_t));
                    len = max_len;
                }
                /*endif*/
                break;
            }
            /*endif*/
        }
        /*endwhile*/
    }
    else
    {
        if (s->modems.transmit_on_idle)
        {
            /* Pad to the requested length with silence */
            memset(amp, 0, max_len*sizeof(int16_t));
            len = max_len;
        }
        /*endif*/
    }
    /*endif*/
#if defined(LOG_FAX_AUDIO)
    if (s->modems.audio_tx_log >= 0)
    {
        if (len < required_len)
            memset(&amp[len], 0, (required_len - len)*sizeof(int16_t));
        /*endif*/
        write(s->modems.audio_tx_log, amp, required_len*sizeof(int16_t));
    }
    /*endif*/
#endif
    return len;
}

示例#3

int fax_tx(fax_state_t *s, int16_t *amp, int max_len)
{
    int len;
#if defined(LOG_FAX_AUDIO)
    int required_len;
    
    required_len = max_len;
#endif
    len = 0;
    if (s->transmit)
    {
        while ((len += s->tx_handler(s->tx_user_data, amp + len, max_len - len)) < max_len)
        {
            /* Allow for a change of tx handler within a block */
            if (set_next_tx_type(s)  &&  s->current_tx_type != T30_MODEM_NONE  &&  s->current_tx_type != T30_MODEM_DONE)
                t30_front_end_status(&(s->t30_state), T30_FRONT_END_SEND_COMPLETE);
            if (!s->transmit)
            {
                if (s->transmit_on_idle)
                {
                    /* Pad to the requested length with silence */
                    memset(amp + len, 0, (max_len - len)*sizeof(int16_t));
                    len = max_len;        
                }
                break;
            }
        }
    }
    else
    {
        if (s->transmit_on_idle)
        {
            /* Pad to the requested length with silence */
            memset(amp, 0, max_len*sizeof(int16_t));
            len = max_len;        
        }
    }
#if defined(LOG_FAX_AUDIO)
    if (s->fax_audio_tx_log >= 0)
    {
        if (len < required_len)
            memset(amp + len, 0, (required_len - len)*sizeof(int16_t));
        write(s->fax_audio_tx_log, amp, required_len*sizeof(int16_t));
    }
#endif
    return len;
}