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GB28181Device/rtp/pcm_rtp_rx.cpp

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+/***************************************************************************************
+ *
+ *  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) 2014-2022, 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)
+    {
+        // Packet loss, discard the previously cached packets
+        p_rxi->d_offset = 0;
+        p_rxi->rtprxi.rxf_loss = 0;
+    }
+    
+  	if ((p_rxi->d_offset + len) >= RTP_MAX_AUDIO_BUFF)
+	{
+		log_print(HT_LOG_ERR, "%s, fragment packet too big %d!!!\r\n", __FUNCTION__, p_rxi->d_offset + len);
+		return FALSE;
+	}
+
+	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));
+}
+
+
+