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Audio input error
#1
All of the MPP_SAMPLE programs that have an audio input cause an error.


***************************************************************
  1 : vi+(venc+rtsp)+vo
  2 : vi+(venc+rtsp)
  3 : vi+vo
  4 : vi+ise+(venc+rtsp)+vo
  5 : [vi+venc+vo]+[ai+aenc+ao]+rtsp
  6 : vi->yuv+venc+rtsp
  7 : vi+venc+mux
  8 : vi+(venc+mux)+vo
  9 : demux+vdec+vo
 10 : ai+aenc+mux+ao
 11 : demux+adec+ao
 12 : Quit
***************************************************************
 Please choice 1~12 num: 10

 Start run ai+aenc+mux+ao function......

[FUN]SampleAiAencMuxAo [LINE]299  Do sample_vi_venc start!
I0629 02:14:09.968789  2915 mpi_sys.c:707]                  <AW_MPI_SYS_SetConf>          kfctmpdir is [/tmp]
>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Media Process Platform<<<<<<<<<<<<<<<<<<<<<<<<<<<<
modName : MPP-Platform
tag   : V1.0 Release
branch: v5-dev
commit: 4eed413532ad87725895a8cb1ba75e22fc328233
date  : 20170725
author: jenkins
aw_dlinit_ext_131 called , the path of libiploader.so is /usr/lib/libip_loader_soft.so
I0630 23:55:05.315201 16649 mpi_sys.c:941]                  <AW_MPI_SYS_Init>             ISP init
I0630 23:55:05.315357 16649 mpi_sys.c:943]                  <AW_MPI_SYS_Init>             ISP init done
I0630 23:55:05.315785 16649 hwdisplay.c:63]                 <hw_display_init>             <hw_display_init:63>
I0630 23:55:05.315914 16649 hwdisplay.c:746]                <hwd_init>                    <hwd_init:746> (hwd_init 746)
I0630 23:55:05.319869 16649 alsa_interface.c:552]           <alsaOpenMixer>               open mixer
I0630 23:55:05.417703 16649 alsa_interface.c:606]           <alsaOpenMixer>               set playback vol_val to value: 27
[FUN]mpp_comm_sys_init [LINE]76  Do sys init success
I0630 23:55:05.418393 16649 alsa_interface.c:411]           <alsaOpenPcm>                 open pcm! card:[default], pcmFlag:[0](0-cap;1-play)
I0630 23:55:05.420125 16649 alsa_interface.c:324]           <alsaSetPcmParams>            set pcm params
E0630 23:55:05.421025 16649 alsa_interface.c:385]           <alsaSetPcmParams>            Can't use period equal to buffer size (0 == 0)
E0630 23:55:05.471813 16649 mpi_ai.c:198]                   <AW_MPI_AI_CreateChn>         enable AiDev failed!
 ERROR! [FUN]mpp_comm_ai_create [LINE]264  audio_hw_ai ai_dev:0 not started! ERROR! [FUN]SampleAiAencMuxAo [LINE]319  Do mpp_comm_ai_create fail! ai_chn:0 ret:-1
 ERROR! [FUN]mpp_comm_ai_destroy [LINE]281  Do AW_MPI_AI_ResetChn ai_chn:0 fail! ret:0xa0158005
 ERROR! [FUN]mpp_comm_ai_destroy [LINE]287  Do AW_MPI_AI_DestroyChn ai_chn:0 fail! ret:0xa0158005
 ERROR! [FUN]mpp_comm_ai_destroy [LINE]281  Do AW_MPI_AI_ResetChn ai_chn:1 fail! ret:0xa0158005
 ERROR! [FUN]mpp_comm_ai_destroy [LINE]287  Do AW_MPI_AI_DestroyChn ai_chn:1 fail! ret:0xa0158005
I0630 23:55:05.472277 16649 alsa_interface.c:644]           <alsaCloseMixer>              close mixer
I0630 23:55:05.473037 16649 hwdisplay.c:776]                <hwd_exit>                    <hwd_exit:776> (hwd_exit 776)
[FUN]mpp_comm_sys_exit [LINE]91  The sys exit!
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#2
This seems to fix most of the audio problems I had:
http://forum.lindeni.org/showthread.php?...ight=audio

It apparently has to do with plugins not automatically loading.
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#3
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