/***************************************************************************************
 *
 *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
 *
 *  By downloading, copying, installing or using the software you agree to this license.
 *  If you do not agree to this license, do not download, install, 
 *  copy or use the software.
 *
 *  Copyright (C) 2014-2024, Happytimesoft Corporation, all rights reserved.
 *
 *  Redistribution and use in binary forms, with or without modification, are permitted.
 *
 *  Unless required by applicable law or agreed to in writing, software distributed 
 *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
 *  language governing permissions and limitations under the License.
 *
****************************************************************************************/

#include "sys_inc.h"
#include "pcm_rtp_rx.h"


BOOL pcm_data_rx(PCMRXI * p_rxi, uint8 * p_data, int len)
{
    if (p_rxi->rtprxi.rxf_loss)
    {
        // Submit cached data
        
        if (p_rxi->pkt_func && p_rxi->d_offset > 0)
  		{
  			p_rxi->pkt_func(p_rxi->p_buf, p_rxi->d_offset, p_rxi->rtprxi.ts, p_rxi->rtprxi.seq, p_rxi->user_data);
  		}
  		
        p_rxi->d_offset = 0;
        p_rxi->rtprxi.rxf_loss = 0;
    }
    
  	if ((p_rxi->d_offset + len) >= p_rxi->buf_len)
	{
	    // Submit cached data
	    
	    if (p_rxi->pkt_func)
  		{
  			p_rxi->pkt_func(p_rxi->p_buf, p_rxi->d_offset, p_rxi->rtprxi.ts, p_rxi->rtprxi.seq, p_rxi->user_data);
  		}
  		
        p_rxi->d_offset = 0;
	}

	memcpy(p_rxi->p_buf + p_rxi->d_offset, p_data, len);
	p_rxi->d_offset += len;
	
	if (p_rxi->rtprxi.rxf_marker)
	{
		if (p_rxi->pkt_func)
  		{
  			p_rxi->pkt_func(p_rxi->p_buf, p_rxi->d_offset, p_rxi->rtprxi.ts, p_rxi->rtprxi.seq, p_rxi->user_data);
  		}

		p_rxi->d_offset = 0;
	}

	return TRUE;
}

BOOL pcm_rtp_rx(PCMRXI * p_rxi, uint8 * p_data, int len)
{
	if (p_rxi == NULL)
	{
		return FALSE;
	}
	
	if (!rtp_data_rx(&p_rxi->rtprxi, p_data, len))
	{
		return FALSE;
	}

	return pcm_data_rx(p_rxi, p_rxi->rtprxi.p_data, p_rxi->rtprxi.len);
}

BOOL pcm_rxi_init(PCMRXI * p_rxi, VRTPRXCBF cbf, void * p_userdata)
{
	memset(p_rxi, 0, sizeof(PCMRXI));

	p_rxi->buf_len = RTP_MAX_AUDIO_BUFF;
	
	p_rxi->p_buf_org = (uint8 *)malloc(p_rxi->buf_len);
	if (p_rxi->p_buf_org == NULL)
	{
		return FALSE;
    }
    
	p_rxi->p_buf = p_rxi->p_buf_org + 32;
	p_rxi->buf_len -= 32;
	p_rxi->pkt_func = cbf;
    p_rxi->user_data = p_userdata;

	return TRUE;
}

void pcm_rxi_deinit(PCMRXI * p_rxi)
{
	if (p_rxi->p_buf_org)
	{
		free(p_rxi->p_buf_org);
    }
    
	memset(p_rxi, 0, sizeof(PCMRXI));
}