pure sdk for main

2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
@@ -0,0 +1,119 @@
+#include "aec_process.h"
+#include "typesdef.h"
+#include "osal/string.h"
+#include "osal/task.h"
+#include "custom_mem.h"
+
+#ifndef MIN
+#define  MIN(A, B)        ((A) < (B) ? (A) : (B))
+#endif
+
+void *aecmInst = NULL;
+
+int aec_init(uint32_t sampleRate, int16_t nMode)
+{	
+    AecmConfig config;
+    config.cngMode = AecmTrue;
+    config.echoMode = 4;// 0, 1, 2, 3 (default), 4
+    aecmInst = WebRtcAecm_Create();
+    if(!aecmInst) {
+        printf("\n******create aecm err\n");
+        return -1;
+    }
+    WebRtcAecm_Init(aecmInst, sampleRate);
+    WebRtcAecm_set_config(aecmInst, config);
+	return 0;
+}
+
+int push_farbuf(short *data, unsigned int len, uint32_t sampleRate)
+{
+    uint32_t samples = MIN(160, sampleRate / 100);
+    if (samples == 0)
+        return -1;
+    uint32_t nCount = (len / samples);
+    int16_t *far_input = data;
+    for (uint32_t i = 0; i < nCount; i++) {
+        WebRtcAecm_BufferFarend(aecmInst, far_input, samples);
+        far_input += samples;
+    }
+	return 0;
+}
+
+int aec_process(int16_t *near_frame, uint32_t inSampleCount, int16_t msInSndCardBuf, uint32_t sampleRate)
+{
+    if (!near_frame) return -1;   
+    if (inSampleCount == 0) return -1;
+
+    uint32_t samples = MIN(160, sampleRate / 100);
+    if (samples == 0)
+        return -1;
+    const int maxSamples = 160;
+    int16_t *near_input = near_frame;
+    uint32_t nCount = (inSampleCount / samples);
+    if (aecmInst == NULL) return -1;
+    
+    int16_t out_buffer[maxSamples];
+    for (uint32_t i = 0; i < nCount; i++) {
+        int nRet = WebRtcAecm_Process(aecmInst, near_input, NULL, out_buffer, samples, msInSndCardBuf);
+
+        if (nRet != 0) {
+            printf("failed in WebRtcAecm_Process\n");
+            WebRtcAecm_Free(aecmInst);
+            return -1;
+        }
+        memcpy(near_input, out_buffer, samples * sizeof(int16_t));
+        near_input += samples;
+    }
+    return 1;
+}
+
+
+//char near_buf[1024],far_buf1[1024];
+//void aec_test(void)
+//{
+//    FILE *near_fp = osal_fopen("near.pcm","rb");
+//    FILE *far_fp = osal_fopen("far.pcm","rb");
+//    FILE *output_fp = osal_fopen("out.pcm","wb");
+//
+//    int near_read,far_read;
+//
+////    char near_buf[1024],far_buf[1024];
+//    AecmConfig config;
+//    config.cngMode = AecmTrue;
+//    config.echoMode = 4;// 0, 1, 2, 3 (default), 4
+//    void *aecmInst = WebRtcAecm_Create();
+//    printf("aecm:%X\n",aecmInst);
+//    WebRtcAecm_Init(aecmInst, 8000);
+//    WebRtcAecm_set_config(aecmInst, config);
+//    int ret;
+//    while(1)
+//    {
+//        near_read = osal_fread(near_buf,1,1016,near_fp); //下一次播放的数据
+//        far_read = osal_fread(far_buf1,1,1016,far_fp);    //上一次
+//        if(near_read == 0)
+//        {
+//            break;
+//        }
+//        ret = mcu_AECM(aecmInst,(int16_t *)near_buf, (int16_t *)far_buf1, 8000,near_read/2);
+//        if(ret<0)
+//        {
+//            break;
+//        }
+//        osal_fwrite(near_buf,1,near_read,output_fp);
+//
+//    }
+//    if(ret>0)
+//    {
+//        WebRtcAecm_Free(aecmInst);
+//    }
+//    osal_fclose(near_fp);
+//    osal_fclose(far_fp);
+//    osal_fclose(output_fp);
+//    printf("\n*******press any key to exit. \n");
+//}
+//struct os_task aec_test_task;
+//void aec_test_thread(void)
+//{
+//	printf("\n**********aec_test_thread*************\n");
+//	OS_TASK_INIT("aec_test",&aec_test_task,aec_test,0,OS_TASK_PRIORITY_NORMAL,10240);
+//}