1054 lines
35 KiB
C++
1054 lines
35 KiB
C++
/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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// Standard C Included Files
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#include "a2dp_decoder_internal.h"
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#include "cmsis.h"
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#include "cmsis_os.h"
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#include "codec_sbc.h"
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#include "hal_location.h"
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#include "hal_timer.h"
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#include "heap_api.h"
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#include "plat_types.h"
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#include <string.h>
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#ifndef SBC_MTU_LIMITER
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#define SBC_MTU_LIMITER (250) /*must <= 332*/
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#endif
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#define SBC_PCMLEN_DEFAULT (512)
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#define SBC_LIST_SAMPLES (128)
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static A2DP_AUDIO_CONTEXT_T *a2dp_audio_context_p = NULL;
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extern A2DP_AUDIO_DECODER_T a2dp_audio_sbc_decoder_config;
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typedef struct {
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btif_sbc_decoder_t *sbc_decoder;
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btif_sbc_pcm_data_t *pcm_data;
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} a2dp_audio_sbc_decoder_t;
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typedef struct {
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uint16_t sequenceNumber;
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uint32_t timestamp;
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uint16_t curSubSequenceNumber;
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uint16_t totalSubSequenceNumber;
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uint8_t *sbc_buffer;
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uint32_t sbc_buffer_len;
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} a2dp_audio_sbc_decoder_frame_t;
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static a2dp_audio_sbc_decoder_t a2dp_audio_sbc_decoder;
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static btif_sbc_decoder_t *a2dp_audio_sbc_decoder_preparse = NULL;
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static A2DP_AUDIO_DECODER_LASTFRAME_INFO_T a2dp_audio_sbc_lastframe_info;
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static uint16_t sbc_mtu_limiter = SBC_MTU_LIMITER;
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static btif_media_header_t sbc_decoder_last_valid_frame = {
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0,
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};
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static bool sbc_decoder_last_valid_frame_ready = false;
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static bool sbc_chnl_mode_mono = false;
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static int a2dp_audio_sbc_header_parser_init(void);
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static void *a2dp_audio_sbc_subframe_malloc(uint32_t sbc_len) {
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a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame_p = NULL;
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uint8_t *sbc_buffer = NULL;
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sbc_buffer = (uint8_t *)a2dp_audio_heap_malloc(sbc_len);
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sbc_decoder_frame_p =
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(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_heap_malloc(
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sizeof(a2dp_audio_sbc_decoder_frame_t));
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sbc_decoder_frame_p->sbc_buffer = sbc_buffer;
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sbc_decoder_frame_p->sbc_buffer_len = sbc_len;
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return (void *)sbc_decoder_frame_p;
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}
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static void a2dp_audio_sbc_subframe_free(void *packet) {
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a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame_p =
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(a2dp_audio_sbc_decoder_frame_t *)packet;
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a2dp_audio_heap_free(sbc_decoder_frame_p->sbc_buffer);
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a2dp_audio_heap_free(sbc_decoder_frame_p);
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}
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static void sbc_codec_init(void) {
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btif_sbc_init_decoder(a2dp_audio_sbc_decoder.sbc_decoder);
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a2dp_audio_sbc_decoder.sbc_decoder->maxPcmLen = SBC_PCMLEN_DEFAULT;
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a2dp_audio_sbc_decoder.pcm_data->data = NULL;
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a2dp_audio_sbc_decoder.pcm_data->dataLen = 0;
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}
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#ifdef A2DP_CP_ACCEL
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struct A2DP_CP_SBC_IN_FRM_INFO_T {
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uint16_t sequenceNumber;
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uint32_t timestamp;
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uint16_t curSubSequenceNumber;
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uint16_t totalSubSequenceNumber;
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};
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struct A2DP_CP_SBC_OUT_FRM_INFO_T {
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struct A2DP_CP_SBC_IN_FRM_INFO_T in_info;
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uint16_t frame_samples;
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uint16_t decoded_frames;
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uint16_t frame_idx;
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uint16_t pcm_len;
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};
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static bool cp_codec_reset;
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extern "C" uint32_t get_in_cp_frame_cnt(void);
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extern "C" unsigned int set_cp_reset_flag(uint8_t evt);
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int a2dp_cp_sbc_cp_decode(void);
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extern uint32_t app_bt_stream_get_dma_buffer_samples(void);
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static int TEXT_SBC_LOC a2dp_cp_sbc_after_cache_underflow(void) {
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#ifdef A2DP_CP_ACCEL
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cp_codec_reset = true;
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#endif
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return 0;
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}
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static int a2dp_cp_sbc_mcu_decode(uint8_t *buffer, uint32_t buffer_bytes) {
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a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame = NULL;
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list_node_t *node = NULL;
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list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
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int ret, dec_ret;
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struct A2DP_CP_SBC_IN_FRM_INFO_T in_info;
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struct A2DP_CP_SBC_OUT_FRM_INFO_T *p_out_info = NULL;
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uint8_t *out = NULL;
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uint32_t out_len;
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uint32_t out_frame_len;
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uint32_t cp_buffer_frames_max = 0;
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uint32_t check_sum = 0;
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cp_buffer_frames_max = app_bt_stream_get_dma_buffer_samples() / 2;
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if (cp_buffer_frames_max % (a2dp_audio_sbc_lastframe_info.frame_samples)) {
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cp_buffer_frames_max =
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cp_buffer_frames_max / (a2dp_audio_sbc_lastframe_info.frame_samples) +
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1;
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} else {
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cp_buffer_frames_max =
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cp_buffer_frames_max / (a2dp_audio_sbc_lastframe_info.frame_samples);
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}
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out_frame_len = sizeof(*p_out_info) + buffer_bytes;
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ret = a2dp_cp_decoder_init(out_frame_len, cp_buffer_frames_max * 2);
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if (ret) {
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TRACE_A2DP_DECODER_W("[SBC][INIT] cp_decoder_init() failed: ret=%d", ret);
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set_cp_reset_flag(true);
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return A2DP_DECODER_DECODE_ERROR;
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}
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while ((node = a2dp_audio_list_begin(list)) != NULL) {
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sbc_decoder_frame =
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(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
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in_info.sequenceNumber = sbc_decoder_frame->sequenceNumber;
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in_info.timestamp = sbc_decoder_frame->timestamp;
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in_info.curSubSequenceNumber = sbc_decoder_frame->curSubSequenceNumber;
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in_info.totalSubSequenceNumber = sbc_decoder_frame->totalSubSequenceNumber;
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ret = a2dp_cp_put_in_frame(&in_info, sizeof(in_info),
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sbc_decoder_frame->sbc_buffer,
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sbc_decoder_frame->sbc_buffer_len);
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if (ret) {
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TRACE_A2DP_DECODER_D("[MCU][SBC] piff !!!!!!ret: %d ", ret);
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break;
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}
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check_sum = a2dp_audio_decoder_internal_check_sum_generate(
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sbc_decoder_frame->sbc_buffer, sbc_decoder_frame->sbc_buffer_len);
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a2dp_audio_list_remove(list, sbc_decoder_frame);
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}
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ret = a2dp_cp_get_full_out_frame((void **)&out, &out_len);
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if (ret) {
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if (!get_in_cp_frame_cnt()) {
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TRACE_A2DP_DECODER_I("[MCU][SBC] cp cache underflow list:%d in_cp:%d",
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a2dp_audio_list_length(list), get_in_cp_frame_cnt());
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return A2DP_DECODER_CACHE_UNDERFLOW_ERROR;
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}
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if (!a2dp_audio_sysfreq_boost_running()) {
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a2dp_audio_sysfreq_boost_start(1);
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}
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osDelay(8);
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ret = a2dp_cp_get_full_out_frame((void **)&out, &out_len);
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if (ret) {
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TRACE_A2DP_DECODER_I("[MCU][SBC] cp cache underflow list:%d in_cp:%d",
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a2dp_audio_list_length(list), get_in_cp_frame_cnt());
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a2dp_cp_sbc_after_cache_underflow();
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return A2DP_DECODER_CACHE_UNDERFLOW_ERROR;
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}
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}
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if (out_len == 0) {
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TRACE_A2DP_DECODER_I("[MCU][SBC] olz!!!%d ", __LINE__);
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memset(buffer, 0, buffer_bytes);
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a2dp_cp_consume_full_out_frame();
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return A2DP_DECODER_NO_ERROR;
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}
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if (out_len != out_frame_len) {
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TRACE_A2DP_DECODER_I("[MCU][SBC] Bad out len %u (should be %u)", out_len,
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out_frame_len);
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set_cp_reset_flag(true);
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return A2DP_DECODER_DECODE_ERROR;
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}
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p_out_info = (struct A2DP_CP_SBC_OUT_FRM_INFO_T *)out;
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if (p_out_info->pcm_len) {
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a2dp_audio_sbc_lastframe_info.sequenceNumber =
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p_out_info->in_info.sequenceNumber;
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a2dp_audio_sbc_lastframe_info.timestamp = p_out_info->in_info.timestamp;
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a2dp_audio_sbc_lastframe_info.curSubSequenceNumber =
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p_out_info->in_info.curSubSequenceNumber;
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a2dp_audio_sbc_lastframe_info.totalSubSequenceNumber =
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p_out_info->in_info.totalSubSequenceNumber;
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a2dp_audio_sbc_lastframe_info.frame_samples = p_out_info->frame_samples;
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a2dp_audio_sbc_lastframe_info.decoded_frames += p_out_info->decoded_frames;
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a2dp_audio_sbc_lastframe_info.undecode_frames =
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a2dp_audio_list_length(list) +
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a2dp_cp_get_in_frame_cnt_by_index(p_out_info->frame_idx) - 1;
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a2dp_audio_sbc_lastframe_info.check_sum =
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check_sum ? check_sum : a2dp_audio_sbc_lastframe_info.check_sum;
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a2dp_audio_decoder_internal_lastframe_info_set(
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&a2dp_audio_sbc_lastframe_info);
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}
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if (p_out_info->pcm_len == buffer_bytes) {
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memcpy(buffer, p_out_info + 1, p_out_info->pcm_len);
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dec_ret = A2DP_DECODER_NO_ERROR;
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} else {
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TRACE_A2DP_DECODER_I("[MCU][SBC] line:%d cp decoder error !!!!!!",
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__LINE__);
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set_cp_reset_flag(true);
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return A2DP_DECODER_DECODE_ERROR;
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}
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ret = a2dp_cp_consume_full_out_frame();
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if (ret) {
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TRACE_A2DP_DECODER_I("[MCU][SBC] cp_consume_full_out_frame failed: ret=%d",
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ret);
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set_cp_reset_flag(true);
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return A2DP_DECODER_DECODE_ERROR;
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}
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return dec_ret;
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}
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#ifdef __CP_EXCEPTION_TEST__
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static bool _cp_assert = false;
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int cp_assert_sbc(void) {
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_cp_assert = true;
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return 0;
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}
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#endif
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TEXT_SBC_LOC
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int a2dp_cp_sbc_cp_decode(void) {
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int ret = 0;
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enum CP_EMPTY_OUT_FRM_T out_frm_st;
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uint8_t *out = NULL;
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uint32_t out_len = 0;
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uint8_t *dec_start = NULL;
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uint32_t dec_len = 0;
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struct A2DP_CP_SBC_IN_FRM_INFO_T *p_in_info = NULL;
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struct A2DP_CP_SBC_OUT_FRM_INFO_T *p_out_info = NULL;
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uint8_t *in_buf = NULL;
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uint32_t in_len = 0;
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uint16_t bytes_parsed = 0;
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float sbc_subbands_gain[8] = {1, 1, 1, 1, 1, 1, 1, 1};
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btif_sbc_decoder_t *sbc_decoder = NULL;
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btif_sbc_pcm_data_t *pcm_data = NULL;
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bt_status_t decoder_err = 0;
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int error = 0;
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if (cp_codec_reset) {
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cp_codec_reset = false;
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sbc_codec_init();
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}
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#ifdef __CP_EXCEPTION_TEST__
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if (_cp_assert) {
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_cp_assert = false;
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*(int *)0 = 1;
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// ASSERT_A2DP_DECODER(0, "ASSERT_A2DP_DECODER %s %d", __func__, __LINE__);
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}
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#endif
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sbc_decoder = a2dp_audio_sbc_decoder.sbc_decoder;
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pcm_data = a2dp_audio_sbc_decoder.pcm_data;
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out_frm_st = a2dp_cp_get_emtpy_out_frame((void **)&out, &out_len);
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if (out_frm_st != CP_EMPTY_OUT_FRM_OK &&
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out_frm_st != CP_EMPTY_OUT_FRM_WORKING) {
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return 1;
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}
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ASSERT_A2DP_DECODER(out_len > sizeof(*p_out_info),
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"[CP][SBC] Bad out_len %u (should > %u)", out_len,
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sizeof(*p_out_info));
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p_out_info = (struct A2DP_CP_SBC_OUT_FRM_INFO_T *)out;
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if (out_frm_st == CP_EMPTY_OUT_FRM_OK) {
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p_out_info->pcm_len = 0;
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p_out_info->decoded_frames = 0;
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}
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ASSERT_A2DP_DECODER(out_len > sizeof(*p_out_info) + p_out_info->pcm_len,
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"[CP][SBC] Bad out_len %u (should > %u + %u)", out_len,
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sizeof(*p_out_info), p_out_info->pcm_len);
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dec_start = (uint8_t *)(p_out_info + 1) + p_out_info->pcm_len;
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dec_len = out_len - (dec_start - (uint8_t *)out);
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pcm_data->data = dec_start;
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pcm_data->dataLen = 0;
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error = 0;
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while (pcm_data->dataLen < dec_len && error == 0) {
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ret = a2dp_cp_get_in_frame((void **)&in_buf, &in_len);
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if (ret) {
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p_out_info->pcm_len += pcm_data->dataLen;
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return 4;
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}
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ASSERT_A2DP_DECODER(in_len > sizeof(*p_in_info),
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"%s: Bad in_len %u (should > %u)", __func__, in_len,
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sizeof(*p_in_info));
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p_in_info = (struct A2DP_CP_SBC_IN_FRM_INFO_T *)in_buf;
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in_buf += sizeof(*p_in_info);
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in_len -= sizeof(*p_in_info);
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decoder_err =
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btif_sbc_decode_frames(sbc_decoder, in_buf, in_len, &bytes_parsed,
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pcm_data, dec_len, sbc_subbands_gain);
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switch (decoder_err) {
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case BT_STS_SUCCESS:
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case BT_STS_CONTINUE:
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break;
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case BT_STS_NO_RESOURCES:
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error = 1;
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ASSERT_A2DP_DECODER(0, "sbc_decode BT_STS_NO_RESOURCES pcm has no more "
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"buffer, i think can't reach here");
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break;
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case BT_STS_FAILED:
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default:
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error = 1;
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sbc_codec_init();
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break;
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}
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memcpy(&p_out_info->in_info, p_in_info, sizeof(*p_in_info));
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p_out_info->decoded_frames++;
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p_out_info->frame_samples = sbc_decoder->maxPcmLen / 4;
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p_out_info->frame_idx = a2dp_cp_get_in_frame_index();
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ret = a2dp_cp_consume_in_frame();
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ASSERT_A2DP_DECODER(ret == 0,
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"%s: a2dp_cp_consume_in_frame() failed: ret=%d",
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__func__, ret);
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}
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p_out_info->pcm_len += pcm_data->dataLen;
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if (error || out_len <= sizeof(*p_out_info) + p_out_info->pcm_len) {
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ret = a2dp_cp_consume_emtpy_out_frame();
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ASSERT_A2DP_DECODER(ret == 0,
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"%s: a2dp_cp_consume_emtpy_out_frame() failed: ret=%d",
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__func__, ret);
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}
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return error;
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}
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#endif
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static int a2dp_audio_sbc_list_checker(void) {
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list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
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list_node_t *node = NULL;
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a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame = NULL;
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int cnt = 0;
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do {
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sbc_decoder_frame =
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(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_sbc_subframe_malloc(
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SBC_LIST_SAMPLES);
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if (sbc_decoder_frame) {
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a2dp_audio_list_append(list, sbc_decoder_frame);
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}
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cnt++;
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} while (sbc_decoder_frame && cnt < SBC_MTU_LIMITER);
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do {
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node = a2dp_audio_list_begin(list);
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if (node) {
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sbc_decoder_frame =
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(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
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a2dp_audio_list_remove(list, sbc_decoder_frame);
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}
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} while (node);
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TRACE_A2DP_DECODER_I("[SBC][INIT] cnt:%d list:%d", cnt,
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a2dp_audio_list_length(list));
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return 0;
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}
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int a2dp_audio_sbc_init(A2DP_AUDIO_OUTPUT_CONFIG_T *config, void *context) {
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TRACE_A2DP_DECODER_I("[SBC][INIT]");
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a2dp_audio_context_p = (A2DP_AUDIO_CONTEXT_T *)context;
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a2dp_audio_sbc_header_parser_init();
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memset(&a2dp_audio_sbc_lastframe_info, 0,
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sizeof(A2DP_AUDIO_DECODER_LASTFRAME_INFO_T));
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a2dp_audio_sbc_lastframe_info.stream_info = *config;
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a2dp_audio_sbc_lastframe_info.frame_samples = SBC_LIST_SAMPLES;
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a2dp_audio_sbc_lastframe_info.list_samples = SBC_LIST_SAMPLES;
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a2dp_audio_decoder_internal_lastframe_info_set(
|
|
&a2dp_audio_sbc_lastframe_info);
|
|
|
|
ASSERT_A2DP_DECODER(a2dp_audio_context_p->dest_packet_mut < SBC_MTU_LIMITER,
|
|
"%s MTU OVERFLOW:%u/%u", __func__,
|
|
a2dp_audio_context_p->dest_packet_mut, SBC_MTU_LIMITER);
|
|
|
|
a2dp_audio_sbc_decoder.sbc_decoder =
|
|
(btif_sbc_decoder_t *)a2dp_audio_heap_malloc(sizeof(btif_sbc_decoder_t));
|
|
a2dp_audio_sbc_decoder.pcm_data =
|
|
(btif_sbc_pcm_data_t *)a2dp_audio_heap_malloc(
|
|
sizeof(btif_sbc_pcm_data_t));
|
|
a2dp_audio_sbc_decoder_preparse =
|
|
(btif_sbc_decoder_t *)a2dp_audio_heap_malloc(sizeof(btif_sbc_decoder_t));
|
|
#ifdef A2DP_CP_ACCEL
|
|
int ret;
|
|
cp_codec_reset = true;
|
|
ret = a2dp_cp_init(a2dp_cp_sbc_cp_decode, CP_PROC_DELAY_2_FRAMES);
|
|
ASSERT_A2DP_DECODER(ret == 0, "%s: a2dp_cp_init() failed: ret=%d", __func__,
|
|
ret);
|
|
#else
|
|
sbc_codec_init();
|
|
#endif
|
|
a2dp_audio_sbc_list_checker();
|
|
sbc_chnl_mode_mono = false;
|
|
return A2DP_DECODER_NO_ERROR;
|
|
}
|
|
|
|
int a2dp_audio_sbc_deinit(void) {
|
|
#ifdef A2DP_CP_ACCEL
|
|
a2dp_cp_deinit();
|
|
#endif
|
|
a2dp_audio_heap_free(a2dp_audio_sbc_decoder_preparse);
|
|
a2dp_audio_heap_free(a2dp_audio_sbc_decoder.sbc_decoder);
|
|
a2dp_audio_heap_free(a2dp_audio_sbc_decoder.pcm_data);
|
|
|
|
TRACE_A2DP_DECODER_I("[SBC][DEINIT]");
|
|
|
|
return A2DP_DECODER_NO_ERROR;
|
|
}
|
|
|
|
int a2dp_audio_sbc_mcu_decode_frame(uint8_t *buffer, uint32_t buffer_bytes) {
|
|
bt_status_t ret = BT_STS_SUCCESS;
|
|
uint16_t bytes_parsed = 0;
|
|
float sbc_subbands_gain[8] = {1, 1, 1, 1, 1, 1, 1, 1};
|
|
btif_sbc_decoder_t *sbc_decoder = NULL;
|
|
btif_sbc_pcm_data_t *pcm_data = NULL;
|
|
uint16_t frame_pcmbyte = 0;
|
|
uint16_t pcm_output_byte = 0;
|
|
bool cache_underflow = false;
|
|
|
|
sbc_decoder = a2dp_audio_sbc_decoder.sbc_decoder;
|
|
pcm_data = a2dp_audio_sbc_decoder.pcm_data;
|
|
frame_pcmbyte = sbc_decoder->maxPcmLen;
|
|
|
|
a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame = NULL;
|
|
list_node_t *node = NULL;
|
|
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
|
|
pcm_data->data = buffer;
|
|
pcm_data->dataLen = 0;
|
|
|
|
TRACE_A2DP_DECODER_D("[MCU][SBC] size:%d", a2dp_audio_list_length(list));
|
|
|
|
for (pcm_output_byte = 0; pcm_output_byte < buffer_bytes;
|
|
pcm_output_byte += frame_pcmbyte) {
|
|
node = a2dp_audio_list_begin(list);
|
|
|
|
if (node) {
|
|
uint32_t lock;
|
|
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
|
|
lock = int_lock();
|
|
ret = btif_sbc_decode_frames(sbc_decoder, sbc_decoder_frame->sbc_buffer,
|
|
sbc_decoder_frame->sbc_buffer_len,
|
|
&bytes_parsed, pcm_data, buffer_bytes,
|
|
sbc_subbands_gain);
|
|
int_unlock(lock);
|
|
TRACE_A2DP_DECODER_D("[MCU][SBC] seq:%d/%d/%d len:%d ret:%d used:%d",
|
|
sbc_decoder_frame->curSubSequenceNumber,
|
|
sbc_decoder_frame->totalSubSequenceNumber,
|
|
sbc_decoder_frame->sequenceNumber,
|
|
sbc_decoder_frame->sbc_buffer_len, ret,
|
|
bytes_parsed);
|
|
|
|
a2dp_audio_sbc_lastframe_info.sequenceNumber =
|
|
sbc_decoder_frame->sequenceNumber;
|
|
a2dp_audio_sbc_lastframe_info.timestamp = sbc_decoder_frame->timestamp;
|
|
a2dp_audio_sbc_lastframe_info.curSubSequenceNumber =
|
|
sbc_decoder_frame->curSubSequenceNumber;
|
|
a2dp_audio_sbc_lastframe_info.totalSubSequenceNumber =
|
|
sbc_decoder_frame->totalSubSequenceNumber;
|
|
a2dp_audio_sbc_lastframe_info.frame_samples = sbc_decoder->maxPcmLen / 4;
|
|
a2dp_audio_sbc_lastframe_info.decoded_frames++;
|
|
a2dp_audio_sbc_lastframe_info.undecode_frames =
|
|
a2dp_audio_list_length(list) - 1;
|
|
a2dp_audio_sbc_lastframe_info.check_sum =
|
|
a2dp_audio_decoder_internal_check_sum_generate(
|
|
sbc_decoder_frame->sbc_buffer, sbc_decoder_frame->sbc_buffer_len);
|
|
a2dp_audio_decoder_internal_lastframe_info_set(
|
|
&a2dp_audio_sbc_lastframe_info);
|
|
a2dp_audio_list_remove(list, sbc_decoder_frame);
|
|
switch (ret) {
|
|
case BT_STS_SUCCESS:
|
|
if (pcm_data->dataLen != buffer_bytes) {
|
|
TRACE_A2DP_DECODER_W("[MCU][SBC] WARNING pcm buff mismatch %d/%d",
|
|
pcm_data->dataLen, buffer_bytes);
|
|
}
|
|
if (pcm_data->dataLen == buffer_bytes) {
|
|
if (pcm_output_byte + frame_pcmbyte != buffer_bytes) {
|
|
TRACE_A2DP_DECODER_W(
|
|
"[MCU][SBC]WARNING loop not break %d/%d frame_pcm:%d",
|
|
pcm_output_byte, buffer_bytes, frame_pcmbyte);
|
|
goto exit;
|
|
}
|
|
}
|
|
break;
|
|
case BT_STS_CONTINUE:
|
|
continue;
|
|
break;
|
|
case BT_STS_NO_RESOURCES:
|
|
ASSERT_A2DP_DECODER(0, "sbc_decode BT_STS_NO_RESOURCES pcm has no more "
|
|
"buffer, i think can't reach here");
|
|
break;
|
|
case BT_STS_FAILED:
|
|
default:
|
|
sbc_codec_init();
|
|
goto exit;
|
|
}
|
|
} else {
|
|
TRACE_A2DP_DECODER_W("[MCU][SBC] A2DP PACKET CACHE UNDERFLOW");
|
|
ret = BT_STS_FAILED;
|
|
cache_underflow = true;
|
|
goto exit;
|
|
}
|
|
}
|
|
exit:
|
|
if (cache_underflow) {
|
|
TRACE_A2DP_DECODER_W(
|
|
"[MCU][SBC] A2DP PACKET CACHE UNDERFLOW need add some process");
|
|
a2dp_audio_sbc_lastframe_info.undecode_frames = 0;
|
|
a2dp_audio_sbc_lastframe_info.check_sum = 0;
|
|
a2dp_audio_decoder_internal_lastframe_info_set(
|
|
&a2dp_audio_sbc_lastframe_info);
|
|
ret = A2DP_DECODER_CACHE_UNDERFLOW_ERROR;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int a2dp_audio_sbc_decode_frame(uint8_t *buffer, uint32_t buffer_bytes) {
|
|
int nRet = 0;
|
|
if (sbc_chnl_mode_mono) {
|
|
int i = 0;
|
|
int16_t *src = NULL, *dest = NULL;
|
|
#ifdef A2DP_CP_ACCEL
|
|
nRet = a2dp_cp_sbc_mcu_decode(buffer, buffer_bytes / 2);
|
|
#else
|
|
nRet = a2dp_audio_sbc_mcu_decode_frame(buffer, buffer_bytes / 2);
|
|
#endif
|
|
i = buffer_bytes / 2;
|
|
dest = (int16_t *)buffer + i - 1;
|
|
i = i / 2;
|
|
src = (int16_t *)buffer + i - 1;
|
|
for (; i >= 0; i--) {
|
|
*dest = *src;
|
|
dest--;
|
|
*dest = *src;
|
|
dest--;
|
|
src--;
|
|
}
|
|
} else {
|
|
#ifdef A2DP_CP_ACCEL
|
|
nRet = a2dp_cp_sbc_mcu_decode(buffer, buffer_bytes);
|
|
#else
|
|
nRet = a2dp_audio_sbc_mcu_decode_frame(buffer, buffer_bytes);
|
|
#endif
|
|
}
|
|
return nRet;
|
|
}
|
|
|
|
int a2dp_audio_sbc_preparse_packet(btif_media_header_t *header, uint8_t *buffer,
|
|
uint32_t buffer_bytes) {
|
|
uint16_t bytes_parsed = 0;
|
|
uint32_t frame_num = 0;
|
|
uint8_t *parser_p = buffer;
|
|
|
|
frame_num = *parser_p;
|
|
parser_p++;
|
|
buffer_bytes--;
|
|
|
|
// TODO: Remove the following sbc init and decode codes. They might conflict
|
|
// with the calls
|
|
// during CP process. CP process is triggered by audioflinger PCM
|
|
// callback.
|
|
|
|
if (*parser_p != 0x9c) {
|
|
TRACE_A2DP_DECODER_I("[SBC][PRE] ERROR SBC FRAME !!! frame_num:%d",
|
|
frame_num);
|
|
DUMP8("%02x ", parser_p, 12);
|
|
} else {
|
|
btif_sbc_decode_frames_parser(a2dp_audio_sbc_decoder_preparse, parser_p,
|
|
buffer_bytes, &bytes_parsed);
|
|
TRACE_A2DP_DECODER_I(
|
|
"[SBC][PRE] seq:%d tStmp:%08x smpR:%d ch:%d len:%d",
|
|
header->sequenceNumber, header->timestamp,
|
|
a2dp_audio_sbc_decoder_preparse->streamInfo.sampleFreq,
|
|
a2dp_audio_sbc_decoder_preparse->streamInfo.channelMode,
|
|
a2dp_audio_sbc_decoder_preparse->maxPcmLen);
|
|
TRACE_A2DP_DECODER_I("[SBC][PRE] frmN:%d par:%d/%d", frame_num,
|
|
buffer_bytes, bytes_parsed);
|
|
|
|
a2dp_audio_sbc_lastframe_info.sequenceNumber = header->sequenceNumber;
|
|
a2dp_audio_sbc_lastframe_info.timestamp = header->timestamp;
|
|
a2dp_audio_sbc_lastframe_info.curSubSequenceNumber = 0;
|
|
a2dp_audio_sbc_lastframe_info.totalSubSequenceNumber = frame_num;
|
|
a2dp_audio_sbc_lastframe_info.frame_samples =
|
|
a2dp_audio_sbc_decoder_preparse->maxPcmLen / 4;
|
|
a2dp_audio_sbc_lastframe_info.list_samples = SBC_LIST_SAMPLES;
|
|
a2dp_audio_sbc_lastframe_info.decoded_frames = 0;
|
|
a2dp_audio_sbc_lastframe_info.undecode_frames = 0;
|
|
a2dp_audio_decoder_internal_lastframe_info_set(
|
|
&a2dp_audio_sbc_lastframe_info);
|
|
}
|
|
if (a2dp_audio_sbc_decoder_preparse->streamInfo.channelMode ==
|
|
BTIF_SBC_CHNL_MODE_MONO) {
|
|
sbc_chnl_mode_mono = true;
|
|
}
|
|
return A2DP_DECODER_NO_ERROR;
|
|
}
|
|
|
|
static int a2dp_audio_sbc_header_parser_init(void) {
|
|
a2dp_audio_sbc_decoder_config.auto_synchronize_support = true;
|
|
sbc_decoder_last_valid_frame_ready = false;
|
|
memset(&sbc_decoder_last_valid_frame, 0,
|
|
sizeof(sbc_decoder_last_valid_frame));
|
|
return 0;
|
|
}
|
|
|
|
static int a2dp_audio_sbc_packet_recover_save_last(
|
|
btif_media_header_t *sbc_decoder_frame) {
|
|
sbc_decoder_last_valid_frame = *sbc_decoder_frame;
|
|
sbc_decoder_last_valid_frame_ready = true;
|
|
return 0;
|
|
}
|
|
|
|
static int a2dp_audio_sbc_packet_recover_find_missing(
|
|
btif_media_header_t *sbc_decoder_frame, uint8_t frame_cnt) {
|
|
uint16_t diff_seq = 0;
|
|
uint32_t diff_timestamp = 0;
|
|
uint32_t diff = 0;
|
|
uint32_t need_recover_pkt = 0;
|
|
|
|
if (!sbc_decoder_last_valid_frame_ready) {
|
|
return need_recover_pkt;
|
|
}
|
|
|
|
diff_seq = a2dp_audio_get_passed(sbc_decoder_frame->sequenceNumber,
|
|
sbc_decoder_last_valid_frame.sequenceNumber,
|
|
UINT16_MAX);
|
|
diff_timestamp =
|
|
a2dp_audio_get_passed(sbc_decoder_frame->timestamp,
|
|
sbc_decoder_last_valid_frame.timestamp, UINT32_MAX);
|
|
if (diff_seq > 1) {
|
|
diff = diff_timestamp / diff_seq;
|
|
if (diff % SBC_LIST_SAMPLES == 0) {
|
|
need_recover_pkt = diff_timestamp / SBC_LIST_SAMPLES;
|
|
if (need_recover_pkt > frame_cnt) {
|
|
need_recover_pkt -= frame_cnt;
|
|
}
|
|
} else {
|
|
diff_seq--;
|
|
need_recover_pkt = diff_seq * frame_cnt;
|
|
}
|
|
TRACE_A2DP_DECODER_W("[SBC][INPUT][PLC] seq:%d/%d stmp:%d/%d",
|
|
sbc_decoder_frame->sequenceNumber,
|
|
sbc_decoder_last_valid_frame.sequenceNumber,
|
|
sbc_decoder_frame->timestamp,
|
|
sbc_decoder_last_valid_frame.timestamp);
|
|
TRACE_A2DP_DECODER_W(
|
|
"[SBC][INPUT][PLC] diff_seq:%d diff_stmp:%d diff:%d missing:%d",
|
|
diff_seq, diff_timestamp, diff, need_recover_pkt);
|
|
}
|
|
|
|
return need_recover_pkt;
|
|
}
|
|
|
|
static int a2dp_audio_sbc_packet_recover_proc(
|
|
btif_media_header_t *sbc_decoder_frame,
|
|
a2dp_audio_sbc_decoder_frame_t *sbc_raw_frame, uint8_t frame_cnt) {
|
|
int nRet = A2DP_DECODER_NO_ERROR;
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
int missing_pkt_cnt = 0;
|
|
missing_pkt_cnt =
|
|
a2dp_audio_sbc_packet_recover_find_missing(sbc_decoder_frame, frame_cnt);
|
|
if (missing_pkt_cnt && sbc_raw_frame &&
|
|
(a2dp_audio_list_length(list) + missing_pkt_cnt) < sbc_mtu_limiter) {
|
|
for (uint8_t i = 0; i < missing_pkt_cnt; i++) {
|
|
a2dp_audio_sbc_decoder_frame_t *frame_p =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_sbc_subframe_malloc(
|
|
sbc_raw_frame->sbc_buffer_len);
|
|
if (!frame_p) {
|
|
nRet = A2DP_DECODER_MEMORY_ERROR;
|
|
goto exit;
|
|
}
|
|
frame_p->sequenceNumber = UINT16_MAX;
|
|
frame_p->timestamp = UINT32_MAX;
|
|
memcpy(frame_p->sbc_buffer, sbc_raw_frame->sbc_buffer,
|
|
sbc_raw_frame->sbc_buffer_len);
|
|
frame_p->sbc_buffer_len = sbc_raw_frame->sbc_buffer_len;
|
|
a2dp_audio_list_append(list, frame_p);
|
|
}
|
|
}
|
|
exit:
|
|
return nRet;
|
|
}
|
|
|
|
#define FRAME_LIST_MAX (20)
|
|
int a2dp_audio_sbc_store_packet(btif_media_header_t *header, uint8_t *buffer,
|
|
uint32_t buffer_bytes) {
|
|
int nRet = A2DP_DECODER_NO_ERROR;
|
|
|
|
uint32_t frame_cnt = 0;
|
|
uint32_t frame_num = 0;
|
|
uint32_t frame_len = 0;
|
|
uint8_t *parser_p = buffer;
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
uint16_t bytes_parsed = 0;
|
|
a2dp_audio_sbc_decoder_frame_t *frame_list[FRAME_LIST_MAX] = {
|
|
0,
|
|
};
|
|
uint8_t frame_list_idx = 0;
|
|
bool find_err = false;
|
|
uint32_t i = 0;
|
|
|
|
frame_num = *parser_p;
|
|
|
|
if (!frame_num) {
|
|
TRACE_A2DP_DECODER_W("[SBC][INPUT] ERROR SBC FRAME !!! frame_num:%d",
|
|
frame_num);
|
|
DUMP8("%02x ", parser_p, 12);
|
|
return A2DP_DECODER_DECODE_ERROR;
|
|
}
|
|
|
|
parser_p++;
|
|
buffer_bytes--;
|
|
frame_len = buffer_bytes / frame_num;
|
|
|
|
if ((a2dp_audio_list_length(list) + frame_num) < sbc_mtu_limiter) {
|
|
for (i = 0; i < buffer_bytes; i += bytes_parsed, frame_cnt++) {
|
|
bytes_parsed = 0;
|
|
if (*(parser_p + i) == 0x9c) {
|
|
if (btif_sbc_decode_frames_parser(a2dp_audio_sbc_decoder_preparse,
|
|
parser_p + i, buffer_bytes,
|
|
&bytes_parsed) != BT_STS_SUCCESS) {
|
|
bytes_parsed = frame_len;
|
|
TRACE_A2DP_DECODER_W("[SBC][INPUT] ERROR SBC FRAME PARSER !!!");
|
|
DUMP8("%02x ", parser_p + i, 12);
|
|
find_err = true;
|
|
break;
|
|
}
|
|
a2dp_audio_sbc_decoder_frame_t *frame_p =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_sbc_subframe_malloc(
|
|
bytes_parsed);
|
|
if (!frame_p) {
|
|
nRet = A2DP_DECODER_MEMORY_ERROR;
|
|
find_err = true;
|
|
break;
|
|
}
|
|
frame_p->sequenceNumber = header->sequenceNumber;
|
|
frame_p->timestamp = header->timestamp;
|
|
frame_p->curSubSequenceNumber = frame_cnt;
|
|
frame_p->totalSubSequenceNumber = frame_num;
|
|
memcpy(frame_p->sbc_buffer, (parser_p + i), bytes_parsed);
|
|
frame_p->sbc_buffer_len = bytes_parsed;
|
|
frame_list[frame_list_idx++] = frame_p;
|
|
if (frame_list_idx >= FRAME_LIST_MAX) {
|
|
find_err = true;
|
|
break;
|
|
}
|
|
} else {
|
|
TRACE_A2DP_DECODER_W("[SBC][INPUT] ERROR SBC FRAME !!!");
|
|
DUMP8("%02x ", parser_p + i, 12);
|
|
find_err = true;
|
|
break;
|
|
}
|
|
}
|
|
if (find_err) {
|
|
TRACE_A2DP_DECODER_W("[SBC][INPUT] FIND ERR !!!");
|
|
for (i = 0; i < frame_list_idx; i++) {
|
|
a2dp_audio_sbc_subframe_free(frame_list[i]);
|
|
}
|
|
nRet = A2DP_DECODER_DECODE_ERROR;
|
|
} else {
|
|
a2dp_audio_sbc_packet_recover_proc(header, frame_list[0], frame_num);
|
|
a2dp_audio_sbc_packet_recover_save_last(header);
|
|
for (i = 0; i < frame_list_idx; i++) {
|
|
a2dp_audio_list_append(list, frame_list[i]);
|
|
}
|
|
nRet = A2DP_DECODER_NO_ERROR;
|
|
}
|
|
} else {
|
|
TRACE_A2DP_DECODER_W("[SBC][INPUT] OVERFLOW list:%d",
|
|
a2dp_audio_list_length(list));
|
|
nRet = A2DP_DECODER_MTU_LIMTER_ERROR;
|
|
}
|
|
|
|
return nRet;
|
|
}
|
|
|
|
int a2dp_audio_sbc_discards_packet(uint32_t packets) {
|
|
int nRet = A2DP_DECODER_MEMORY_ERROR;
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
list_node_t *node = NULL;
|
|
a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame = NULL;
|
|
uint16_t totalSubSequenceNumber;
|
|
uint8_t j = 0;
|
|
|
|
#ifdef A2DP_CP_ACCEL
|
|
a2dp_cp_reset_frame();
|
|
#endif
|
|
|
|
node = a2dp_audio_list_begin(list);
|
|
if (!node) {
|
|
goto exit;
|
|
}
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
|
|
for (j = 0; j < a2dp_audio_list_length(list); j++) {
|
|
node = a2dp_audio_list_begin(list);
|
|
if (!node) {
|
|
goto exit;
|
|
}
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
if (sbc_decoder_frame->curSubSequenceNumber != 0) {
|
|
a2dp_audio_list_remove(list, sbc_decoder_frame);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
node = a2dp_audio_list_begin(list);
|
|
if (!node) {
|
|
goto exit;
|
|
}
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
ASSERT_A2DP_DECODER(sbc_decoder_frame->curSubSequenceNumber == 0,
|
|
"sbc_discards_packet not align curSubSequenceNumber:%d",
|
|
sbc_decoder_frame->curSubSequenceNumber);
|
|
|
|
totalSubSequenceNumber = sbc_decoder_frame->totalSubSequenceNumber;
|
|
|
|
if (packets <= a2dp_audio_list_length(list) / totalSubSequenceNumber) {
|
|
for (uint8_t i = 0; i < packets; i++) {
|
|
for (j = 0; j < totalSubSequenceNumber; j++) {
|
|
node = a2dp_audio_list_begin(list);
|
|
if (!node) {
|
|
goto exit;
|
|
}
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
a2dp_audio_list_remove(list, sbc_decoder_frame);
|
|
}
|
|
}
|
|
nRet = A2DP_DECODER_NO_ERROR;
|
|
}
|
|
exit:
|
|
TRACE_A2DP_DECODER_I("[SBC][DISCARDS] packets:%d nRet:%d", packets, nRet);
|
|
return nRet;
|
|
}
|
|
|
|
int a2dp_audio_sbc_headframe_info_get(
|
|
A2DP_AUDIO_HEADFRAME_INFO_T *headframe_info) {
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
list_node_t *node = NULL;
|
|
a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame = NULL;
|
|
|
|
if (a2dp_audio_list_length(list) &&
|
|
((node = a2dp_audio_list_begin(list)) != NULL)) {
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
headframe_info->sequenceNumber = sbc_decoder_frame->sequenceNumber;
|
|
headframe_info->timestamp = sbc_decoder_frame->timestamp;
|
|
headframe_info->curSubSequenceNumber =
|
|
sbc_decoder_frame->curSubSequenceNumber;
|
|
headframe_info->totalSubSequenceNumber =
|
|
sbc_decoder_frame->totalSubSequenceNumber;
|
|
} else {
|
|
memset(headframe_info, 0, sizeof(A2DP_AUDIO_HEADFRAME_INFO_T));
|
|
}
|
|
|
|
return A2DP_DECODER_NO_ERROR;
|
|
}
|
|
|
|
int a2dp_audio_sbc_info_get(void *info) { return A2DP_DECODER_NO_ERROR; }
|
|
|
|
int a2dp_audio_sbc_synchronize_packet(A2DP_AUDIO_SYNCFRAME_INFO_T *sync_info,
|
|
uint32_t mask) {
|
|
int nRet = A2DP_DECODER_SYNC_ERROR;
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
list_node_t *node = NULL;
|
|
int list_len;
|
|
a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame = NULL;
|
|
|
|
#ifdef A2DP_CP_ACCEL
|
|
a2dp_cp_reset_frame();
|
|
#endif
|
|
|
|
list_len = a2dp_audio_list_length(list);
|
|
|
|
for (uint16_t i = 0; i < list_len; i++) {
|
|
node = a2dp_audio_list_begin(list);
|
|
if (node) {
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
if (A2DP_AUDIO_SYNCFRAME_CHK(sbc_decoder_frame->sequenceNumber ==
|
|
sync_info->sequenceNumber,
|
|
A2DP_AUDIO_SYNCFRAME_MASK_SEQ, mask) &&
|
|
A2DP_AUDIO_SYNCFRAME_CHK(sbc_decoder_frame->curSubSequenceNumber ==
|
|
sync_info->curSubSequenceNumber,
|
|
A2DP_AUDIO_SYNCFRAME_MASK_CURRSUBSEQ,
|
|
mask) &&
|
|
A2DP_AUDIO_SYNCFRAME_CHK(sbc_decoder_frame->totalSubSequenceNumber ==
|
|
sync_info->totalSubSequenceNumber,
|
|
A2DP_AUDIO_SYNCFRAME_MASK_TOTALSUBSEQ,
|
|
mask)) {
|
|
nRet = A2DP_DECODER_NO_ERROR;
|
|
break;
|
|
}
|
|
a2dp_audio_list_remove(list, sbc_decoder_frame);
|
|
}
|
|
}
|
|
|
|
node = a2dp_audio_list_begin(list);
|
|
if (node) {
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
TRACE_A2DP_DECODER_I(
|
|
"[MCU][SYNC][SBC] sync pkt nRet:%d SEQ:%d timestamp:%d %d/%d", nRet,
|
|
sbc_decoder_frame->sequenceNumber, sbc_decoder_frame->timestamp,
|
|
sbc_decoder_frame->curSubSequenceNumber,
|
|
sbc_decoder_frame->totalSubSequenceNumber);
|
|
} else {
|
|
TRACE_A2DP_DECODER_I("[MCU][SYNC][SBC] sync pkt nRet:%d", nRet);
|
|
}
|
|
|
|
return nRet;
|
|
}
|
|
|
|
int a2dp_audio_sbc_synchronize_dest_packet_mut(uint16_t packet_mut) {
|
|
list_node_t *node = NULL;
|
|
uint32_t list_len = 0;
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame = NULL;
|
|
|
|
list_len = a2dp_audio_list_length(list);
|
|
if (list_len > packet_mut) {
|
|
do {
|
|
node = a2dp_audio_list_begin(list);
|
|
if (node) {
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
a2dp_audio_list_remove(list, sbc_decoder_frame);
|
|
}
|
|
} while (a2dp_audio_list_length(list) > packet_mut);
|
|
}
|
|
|
|
TRACE_A2DP_DECODER_I("[MCU][SYNC][SBC] dest pkt list:%d",
|
|
a2dp_audio_list_length(list));
|
|
|
|
return A2DP_DECODER_NO_ERROR;
|
|
}
|
|
|
|
int a2dp_audio_sbc_convert_list_to_samples(uint32_t *samples) {
|
|
uint32_t list_len = 0;
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
|
|
list_len = a2dp_audio_list_length(list);
|
|
*samples = SBC_LIST_SAMPLES * list_len;
|
|
|
|
TRACE_A2DP_DECODER_I("[MCU][SBC] list:%d samples:%d", list_len, *samples);
|
|
|
|
return A2DP_DECODER_NO_ERROR;
|
|
}
|
|
|
|
int a2dp_audio_sbc_discards_samples(uint32_t samples) {
|
|
int nRet = A2DP_DECODER_SYNC_ERROR;
|
|
list_t *list = a2dp_audio_context_p->audio_datapath.input_raw_packet_list;
|
|
a2dp_audio_sbc_decoder_frame_t *sbc_decoder_frame = NULL;
|
|
list_node_t *node = NULL;
|
|
int need_remove_list = 0;
|
|
uint32_t list_samples = 0;
|
|
ASSERT_A2DP_DECODER(!(samples % SBC_LIST_SAMPLES), "%s samples err:%d",
|
|
__func__, samples);
|
|
|
|
a2dp_audio_sbc_convert_list_to_samples(&list_samples);
|
|
if (list_samples >= samples) {
|
|
need_remove_list = samples / SBC_LIST_SAMPLES;
|
|
for (int i = 0; i < need_remove_list; i++) {
|
|
node = a2dp_audio_list_begin(list);
|
|
if (node) {
|
|
sbc_decoder_frame =
|
|
(a2dp_audio_sbc_decoder_frame_t *)a2dp_audio_list_node(node);
|
|
a2dp_audio_list_remove(list, sbc_decoder_frame);
|
|
}
|
|
}
|
|
nRet = A2DP_DECODER_NO_ERROR;
|
|
}
|
|
|
|
return nRet;
|
|
}
|
|
|
|
int a2dp_audio_sbc_channel_select(A2DP_AUDIO_CHANNEL_SELECT_E chnl_sel) {
|
|
return A2DP_DECODER_NO_ERROR;
|
|
}
|
|
|
|
A2DP_AUDIO_DECODER_T a2dp_audio_sbc_decoder_config = {
|
|
{44100, 2, 16},
|
|
1,
|
|
a2dp_audio_sbc_init,
|
|
a2dp_audio_sbc_deinit,
|
|
a2dp_audio_sbc_decode_frame,
|
|
a2dp_audio_sbc_preparse_packet,
|
|
a2dp_audio_sbc_store_packet,
|
|
a2dp_audio_sbc_discards_packet,
|
|
a2dp_audio_sbc_synchronize_packet,
|
|
a2dp_audio_sbc_synchronize_dest_packet_mut,
|
|
a2dp_audio_sbc_convert_list_to_samples,
|
|
a2dp_audio_sbc_discards_samples,
|
|
a2dp_audio_sbc_headframe_info_get,
|
|
a2dp_audio_sbc_info_get,
|
|
a2dp_audio_sbc_subframe_free,
|
|
a2dp_audio_sbc_channel_select,
|
|
};
|