保存

@@ -141,14 +141,18 @@ void *FF_Resample_Send_And_Get_ResampleData(struct AudioDealInfo *AD_Info, unsig
 
     struct pcm_Resample *ResampleInfo = (struct pcm_Resample *)AD_Info->ResampleInfo;
 
+    //按采样率缩放样本数量
     *out_nb_samples = av_rescale_rnd(nb_samples, ResampleInfo->Out_SampleRate, ResampleInfo->In_SampleRate, AV_ROUND_UP);  
     //printf("重采样得到的预计输出样本数量为%d\n",*out_nb_samples);
+
+    //放置输出数据的数组
     ret = av_samples_alloc(&dst, NULL, 2, *out_nb_samples, AV_SAMPLE_FMT_S16, 0);  
     if (ret < 0) {  
         printf("[ERROR][Resample]av_samples_alloc failed\n");  
         return NULL;  
     }  
 
+    //重采样
     ret = swr_convert(ResampleInfo->m_swr, &dst, *out_nb_samples, (const uint8_t**)src, nb_samples);  
     if (ret < 0) {  
         printf("[ERROR][Resample]swr_convert failed\n");