衡山派I2S音频播放模块

开启衡山派i2s总线

https://wiki.lckfb.com/zh-hans/hspi-d133ebs/rtos-sdk/multimedia/i2s-operating-guide/introduction.html

添加max98357驱动（源码见附件）

1，将驱动文件夹复制到codec下

2，加入到编译中

3，载入环境

4，选择max98357

5,重新编译

6，烧录到衡山派开发板
7，播放视频或音频, player_demo -i /sdcard/2.mp4

aic /> player_demo -i /sdcard/2.mp4
file_path_len:13
file path: /sdcard/2.mp4
debug  : aic_mpp : loop:0,index:0,path:/sdcard/2.mp4

parser for (/sdcard/2.mp4)
[mm_demuxer_index_param_contenturi:282]p_parser=0x3008e070,content_uri:/sdcard/2.mp4
aic_parser_init time: 340202 us
[component_event_handler:139]MM_EVENT_PORT_FORMAT_DETECTED
[mm_demuxer_index_param_contenturi:359]MM_EVENT_PORT_FORMAT_DETECTED
[mm_video_render_set_config:819]p_video_render_data->render->init ok
[mm_clock_config_time_clock_state:193]wait_mask:0x3,clock_state:1
[start_play:310]aic_player_start ok
debug  : aic_mpp : aic_player_get_media_info duration:84c760c,file_size:3b9a28b

has_audio:1,has_video:1,width:800,height:480,
bits_per_sample:16,nb_channel:2,sample_rate:44100
debug  : aic_mpp : screen_width:800,screen_height:480

Media size 800 x 480, Display offset (0, 0) size 800 x 480
debug  : aic_mpp : aic_player_set_disp_rect  ok

debug  : aic_mpp : volume:100

[start_play:375]aic_player_play ok
[mm_clock_config_time_client_start_time:256]ref_clock_time_base:26122,wall_time_base:94216000
[mm_video_render_set_config:803]p_video_render_data->clock_state:0
[mm_audio_render_set_config:223]p_audio_render_data->clock_state:0
[mm_audio_render_component_thread:941]video start time arrive
[component_event_handler:179]first audio  frame come!!!
[mm_video_render_component_thread:1857]audio start time arrive
[mm_video_render_print_frame:1578]stride[0]:800,stride[1]:800,stride[2]:0,format:33,width:800,height:480,crop_en:1,crop.x:0,crop.y:0,crop.width:800,crop.height:480
[component_event_handler:170]first video frame come!!!
[mm_video_render_print_frame_count:1565]receive_frame_num:41,show_frame_ok_num:37,show_frame_fail_num:0,giveback_frame_ok_num:41,giveback_frame_fail_num:0,drop_frame_num:0
[mm_video_render_component_thread:1949]mm_video_render_component_thread exit
[aic_msg_destroy:71] free cnt:10,free cnt :10
[mm_vdec_component_thread:974]decoder_ok_num:42
[mm_vdec_component_thread:976]mm_vdec_component_thread exit
[aic_msg_destroy:71] free cnt:10,free cnt :10
[mm_audio_render_frame_count_print:848]receive_frame_num:63,show_frame_ok_num:63,show_frame_fail_num:0,giveback_frame_ok_num:63,giveback_frame_fail_num:0
[mm_audio_render_component_thread:1032]mm_audio_render_component_thread exit
[aic_msg_destroy:71] free cnt:10,free cnt :10
[mm_adec_component_thread:789]decoder_ok_num:65
[mm_adec_component_thread:792]mm_adec_component_thread exit
[aic_msg_destroy:71] free cnt:10,free cnt :10
[aic_msg_destroy:71] free cnt:10,free cnt :10
[mm_demuxer_pkt_count_print:1191]video_pkt_num:44,get_video_pkt_ok_num:44,put_video_pkt_ok_num:44,put_video_pkt_fail_num:0,audio_pkt_num:69,get_audio_pkt_ok_num:68,put_audio_pkt_ok_num:68,put_audio_pkt_fail_num:0
[mm_demuxer_component_thread:1289]mm_demuxer_component_thread exit
[aic_msg_destroy:71] free cnt:10,free cnt :10
debug  : aic_mpp : player_demo exit

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