320 lines
10 KiB
C
320 lines
10 KiB
C
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/*
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* codec.c
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*
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* Created on: 2018-3-28
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* Author: Administrator
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "codec.h"
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#include "audio_rpmsg.h"
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#include "dsp.h"
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/************************************************************************************
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* @fn codec_decoder_init
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*
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* @brief reqeust to init a decoder instance.
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*
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* @param decoder_type: decoder type, @ref codec_decoder_type.
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* @param param: decoder parameters.
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*
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* @return decoder instance, the value should be NULL when initialization is failed.
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*/
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struct codec_decoder_handle *codec_decoder_init(uint8_t decoder_type, void *param)
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{
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struct rpmsg_sync_msg_decoder_init_t *sync_msg;
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void *result;
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uint32_t ret;
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sync_msg = pvPortMalloc(sizeof(struct rpmsg_sync_msg_decoder_init_t));
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if (sync_msg == NULL) {
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return NULL;
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}
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sync_msg->decoder_type = decoder_type;
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sync_msg->param = param;
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ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_DEC_INIT, sync_msg, (uint32_t *)&result);
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vPortFree(sync_msg);
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return result;
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}
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/************************************************************************************
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* @fn codec_decoder_destroy
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*
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* @brief remove a created decoder instance.
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*
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* @param handle: decoder instance
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*/
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void codec_decoder_destroy(struct codec_decoder_handle *handle)
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{
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struct rpmsg_sync_msg_decoder_destroy_t sync_msg;
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void *result;
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uint32_t ret;
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if (handle == NULL) {
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return;
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}
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sync_msg.handle = handle;
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ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_DEC_DESTROY, (void *)&sync_msg, (uint32_t *)&result);
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}
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/************************************************************************************
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* @fn codec_decoder_decode
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*
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* @brief reqeust to execute decode.
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*
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* @param handle: decoder instance
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* @param in_buf: buffer used to store raw data, caller should take care that this
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* buffer should be accessable for dsp.
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* @param in_length: the length of raw data, this value will be updated to length of
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* dealed data after decode operation is executed.
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* @param out_buf: used to store the buffer address of decoded data. Decoder will allocate
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* out buffer for internal used to store decoded data. If *out_buf is NULL,
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* decoder will update *out_buf to internal used out buffer address. If *out_buf
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* is not NULL, the decoded data will be copied into *out_buf.
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* @param out_length: the length of decoded data.
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*
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* @return execute result.
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*/
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int codec_decoder_decode(struct codec_decoder_handle *handle,
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const uint8_t *in_buf,
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uint32_t *in_length,
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uint8_t **out_buf,
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uint32_t *out_length)
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{
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struct rpmsg_sync_msg_decoder_exec_t *sync_msg;
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void *result;
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uint32_t ret;
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bool trans_addr = false;
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sync_msg = pvPortMalloc(sizeof(struct rpmsg_sync_msg_decoder_exec_t));
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if (sync_msg == NULL) {
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return CODEC_ERROR_INSUFFICIENT_RESOURCE;
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}
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if (((uint32_t)in_buf >= DSP_DRAM_MCU_BASE_ADDR) && ((uint32_t)in_buf < (DSP_DRAM_MCU_BASE_ADDR+DSP_DRAM_SIZE))) {
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in_buf = (const void *)MCU_SRAM_2_DSP_DRAM(in_buf);
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}
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sync_msg->handle = handle;
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sync_msg->in_buffer = in_buf;
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sync_msg->in_length = in_length;
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sync_msg->out_buffer = out_buf;
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sync_msg->out_length = out_length;
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if (*out_buf == NULL) {
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trans_addr = true;
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}
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ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_DEC_EXEC, sync_msg, (uint32_t *)&result);
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if (trans_addr) {
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if ((uint32_t)*out_buf >= DSP_DRAM_BASE_ADDR) {
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*out_buf = (void *)DSP_DRAM_2_MCU_SRAM(*out_buf);
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}
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}
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vPortFree(sync_msg);
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return (int)result;
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}
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/************************************************************************************
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* @fn codec_decoder_plc
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*
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* @brief reqeust to execute packet loss compensation.
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*
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* @param handle: decoder instance
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* @param out_buf: used to store the buffer address of decoded data. Decoder will allocate
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* out buffer for internal used to store decoded data. If *out_buf is NULL,
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* decoder will update *out_buf to internal used out buffer address. If *out_buf
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* is not NULL, the decoded data will be copied into *out_buf.
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* @param out_length: the length of decoded data.
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*
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* @return execute result.
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*/
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int codec_decoder_plc(struct codec_decoder_handle *handle,
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uint8_t **out_buf,
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uint32_t *out_length)
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{
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struct rpmsg_sync_msg_decoder_plc_t *sync_msg;
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void *result;
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uint32_t ret;
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bool trans_addr = false;
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sync_msg = pvPortMalloc(sizeof(struct rpmsg_sync_msg_decoder_exec_t));
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if (sync_msg == NULL) {
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return CODEC_ERROR_INSUFFICIENT_RESOURCE;
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}
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sync_msg->handle = handle;
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sync_msg->out_buffer = out_buf;
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sync_msg->out_length = out_length;
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if (*out_buf == NULL) {
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trans_addr = true;
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}
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ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_DEC_PLC, sync_msg, (uint32_t *)&result);
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if (trans_addr) {
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if ((uint32_t)*out_buf >= DSP_DRAM_BASE_ADDR) {
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*out_buf = (void *)DSP_DRAM_2_MCU_SRAM(*out_buf);
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}
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}
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vPortFree(sync_msg);
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return (int)result;
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}
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/************************************************************************************
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* @fn codec_decoder_get_param
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*
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* @brief get information of latest decoded frame.
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*
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* @param handle: decoder instance
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* @param sample_rate: sample rate.
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* @param channels: channel number.
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*
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* @return 0: get success, 1: get failed.
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*/
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int codec_decoder_get_param(struct codec_decoder_handle *handle, uint32_t *sample_rate, uint8_t *channels)
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{
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struct rpmsg_sync_msg_decoder_get_param_t *sync_msg;
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void *result;
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uint32_t ret;
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sync_msg = pvPortMalloc(sizeof(struct rpmsg_sync_msg_decoder_get_param_t));
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if (sync_msg == NULL) {
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return CODEC_ERROR_INSUFFICIENT_RESOURCE;
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}
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sync_msg->handle = handle;
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sync_msg->sample_rate = sample_rate;
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sync_msg->channels = channels;
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ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_DEC_GET_PARAM, sync_msg, (uint32_t *)&result);
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vPortFree(sync_msg);
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return (int)result;
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}
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/************************************************************************************
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* @fn codec_encoder_init
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*
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* @brief reqeust to init a encoder instance.
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*
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* @param encoder_type: encoder type, @ref codec_encoder_type.
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* @param param: encoder parameters.
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*
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* @return encoder instance, the value should be NULL when initialization is failed.
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*/
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struct codec_encoder_handle *codec_encoder_init(uint8_t encoder_type, void *param)
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{
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struct rpmsg_sync_msg_encoder_init_t *sync_msg;
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void *result;
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uint32_t ret;
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sync_msg = pvPortMalloc(sizeof(struct rpmsg_sync_msg_encoder_init_t));
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if (sync_msg == NULL) {
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return NULL;
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}
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sync_msg->encoder_type = encoder_type;
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sync_msg->param = param;
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ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_ENC_INIT, sync_msg, (uint32_t *)&result);
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vPortFree(sync_msg);
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return result;
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}
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/************************************************************************************
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* @fn codec_encoder_destroy
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*
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* @brief remove a created encoder instance.
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*
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* @param handle: encoder instance
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*/
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void codec_encoder_destroy(struct codec_encoder_handle *handle)
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{
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struct rpmsg_sync_msg_encoder_destroy_t sync_msg;
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void *result;
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uint32_t ret;
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if (handle == NULL) {
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return;
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}
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sync_msg.handle = handle;
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ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_ENC_DESTROY, (void *)&sync_msg, (uint32_t *)&result);
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}
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/************************************************************************************
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* @fn codec_encoder_encode
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*
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* @brief reqeust to execute encode.
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*
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* @param handle: encoder instance
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* @param in_buf: buffer used to store PCM data, caller should take care that this
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* buffer should be accessable for dsp.
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* @param in_length: the length of PCM data, this value will be updated to length of
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* dealed data after encode operation is executed.
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* @param out_buf: used to store the buffer address of encoded data. Encoder will allocate
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* out buffer for internal used to store decoded data. If *out_buf is NULL,
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* decoder will update *out_buf to internal used out buffer address. If *out_buf
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* is not NULL, the decoded data will be copied into *out_buf.
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* @param out_length: the length of encoded data.
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*
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* @return execute result.
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*/
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int codec_encoder_encode(struct codec_encoder_handle *handle,
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const uint8_t *in_buf,
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uint32_t *in_length,
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uint8_t **out_buf,
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uint32_t *out_length)
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{
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struct rpmsg_sync_msg_encoder_exec_t *sync_msg;
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void *result;
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uint32_t ret;
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bool trans_addr = false;
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sync_msg = pvPortMalloc(sizeof(struct rpmsg_sync_msg_encoder_exec_t));
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if (sync_msg == NULL) {
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return CODEC_ERROR_INSUFFICIENT_RESOURCE;
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}
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if (((uint32_t)in_buf >= DSP_DRAM_MCU_BASE_ADDR) && ((uint32_t)in_buf < (DSP_DRAM_MCU_BASE_ADDR+DSP_DRAM_SIZE))) {
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in_buf = (void *)MCU_SRAM_2_DSP_DRAM(in_buf);
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}
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sync_msg->handle = handle;
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sync_msg->in_buffer = in_buf;
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sync_msg->in_length = in_length;
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sync_msg->out_buffer = out_buf;
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sync_msg->out_length = out_length;
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if (*out_buf == NULL) {
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trans_addr = true;
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}
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ret = rpmsg_sync_invoke(rpmsg_get_remote_instance(), RPMSG_SYNC_FUNC_ENC_EXEC, sync_msg, (uint32_t *)&result);
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if (trans_addr) {
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if ((uint32_t)*out_buf >= DSP_DRAM_BASE_ADDR) {
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*out_buf = (void *)DSP_DRAM_2_MCU_SRAM(*out_buf);
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}
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}
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vPortFree(sync_msg);
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return (int)result;
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}
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