A36 PCB1.1 软件工程整理

fr3092_mcu/components/modules/audio/resample/resample.c

@@ -0,0 +1,98 @@
+#include "audio_rpmsg.h"
+#include "resample.h"
+#include "FreeRTOS.h"
+
+void *resample_init(enum resample_type type, uint8_t channels)
+{
+    struct rpmsg_sync_msg_resample_init_t *sync_msg;
+    void *result;
+    uint32_t ret;
+    
+    sync_msg = pvPortMalloc(sizeof(struct rpmsg_sync_msg_decoder_init_t));
+    if (sync_msg == NULL) {
+        return NULL;
+    }
+    sync_msg->resample_type = type;
+    sync_msg->channels = channels;
+    
+    ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_RESAMPLE_INIT, sync_msg, (uint32_t *)&result);
+
+    vPortFree(sync_msg);
+
+    return result;
+}
+
+void resample_destroy(void *handle)
+{
+    struct rpmsg_sync_msg_resample_destroy_t sync_msg;
+    void *result;
+    uint32_t ret;
+    
+    if (handle == NULL) {
+        return;
+    }
+    
+    sync_msg.handle = handle;
+
+    ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_RESAMPLE_DESTROY, (void *)&sync_msg, (uint32_t *)&result);
+}
+
+int resample_exec(void *handle, const uint8_t *indata, uint32_t *insize, uint8_t **out_buf, uint32_t *out_length)
+{
+    struct rpmsg_sync_msg_resample_exec_t *sync_msg;
+    void *result;
+    uint32_t ret;
+    bool trans_addr = false;
+
+    sync_msg = pvPortMalloc(sizeof(struct rpmsg_sync_msg_encoder_exec_t));
+    if (sync_msg == NULL) {
+        return -1;
+    }
+    
+    if (((uint32_t)indata >= 0x200A0000) && ((uint32_t)indata < 0x30000000)) {
+        indata = (void *)((uint32_t)indata - 0x200A0000 + 0x781e0000);
+    }
+
+    sync_msg->handle = handle;
+    sync_msg->in_buffer = indata;
+    sync_msg->in_length = insize;
+    sync_msg->out_buffer = out_buf;
+    sync_msg->out_length = out_length;
+
+    if (*out_buf == NULL) {
+        trans_addr = true;
+    }
+    
+    ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_RESAMPLE_EXEC, sync_msg, (uint32_t *)&result);
+    
+    if (trans_addr) {
+        *out_buf = (void *)(0x200A0000 + (uint32_t)*out_buf - 0x781e0000);
+    }
+
+    vPortFree(sync_msg);
+
+    return (int)result;
+}
+
+enum resample_type resample_get_type(uint32_t in_sample_rate, uint32_t out_sample_rate)
+{
+    switch (in_sample_rate) {
+        case 48000:
+            switch (out_sample_rate) {
+                case 44100:
+                    return RESAMPLE_TYPE_D_48000_44100;
+                default:
+                    return RESAMPLE_TYPE_INVALID;
+            }
+//        case 44100:
+//            switch (out_sample_rate) {
+//                case 16000:
+//                    return RESAMPLE_TYPE_D_44100_16000;
+//                default:
+//                    return RESAMPLE_TYPE_INVALID;
+//            }
+        default:
+            return RESAMPLE_TYPE_INVALID;
+    }
+}
+

fr3092_mcu/components/modules/audio/resample/resample.h

@@ -0,0 +1,29 @@
+#ifndef _RESAMPLE_H
+#define _RESAMPLE_H
+
+#include <stdint.h>
+
+enum resample_type {
+    RESAMPLE_TYPE_D_48000_44100,
+    RESAMPLE_TYPE_D_64000_8000,
+    RESAMPLE_TYPE_D_64000_32000,
+    RESAMPLE_TYPE_D_32000_16000,
+    RESAMPLE_TYPE_D_16000_8000,
+    RESAMPLE_TYPE_D_44100_16000,
+
+    RESAMPLE_TYPE_U_8000_16000,
+    RESAMPLE_TYPE_U_8000_64000,
+    RESAMPLE_TYPE_U_8000_16000_CVSD,
+    RESAMPLE_TYPE_U_16000_32000,
+    RESAMPLE_TYPE_U_32000_64000,
+
+    RESAMPLE_TYPE_INVALID,
+};
+
+void *resample_init(enum resample_type type, uint8_t channels);
+void resample_destroy(void *handle);
+int resample_exec(void *handle, const uint8_t *indata, uint32_t *insize, uint8_t **out_buf, uint32_t *out_length);
+enum resample_type resample_get_type(uint32_t in_sample_rate, uint32_t out_sample_rate);
+
+#endif  // _RESAMPLE_H
+