esp32 s3里,AUDIO_CODEC_DMA_DESC_NUM从4改为6,AUDIO_CODEC_DMA_FRAME_NUM从120改为240后播放mp3就不卡顿了
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esp32 s3里:
AUDIO_CODEC_DMA_DESC_NUM从4改为6,AUDIO_CODEC_DMA_FRAME_NUM从120改为240后播放mp3就不卡顿了:
#define AUDIO_CODEC_DMA_DESC_NUM 6//6
#define AUDIO_CODEC_DMA_FRAME_NUM 240//240
i2s_chan_config_t chan_cfg = {
.id = I2S_NUM_0,
.role = I2S_ROLE_MASTER,
.dma_desc_num = AUDIO_CODEC_DMA_DESC_NUM,
.dma_frame_num = AUDIO_CODEC_DMA_FRAME_NUM,
.auto_clear_after_cb = true, //true
.auto_clear_before_cb = false,
.intr_priority = 0,
};
ESP_ERROR_CHECK(i2s_new_channel(&chan_cfg, &tx_handle_, &rx_handle_));
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