Hi, all
I develop on dm8168 evm board using dvrrdk 2.80,
i want to capture audio using tvp5158, and i run the dvrrdk demo
=============
Run-Time Menu
=============
1: Capture Settings
2: Encode Settings
3: Decode Settings
4: Display Settings
5: Audio Capture / Playback Settings
6: Audio Capture <TVP5158> & Encode <AAC-LC> demo
7: Audio encode demo <AAC-LC File In/Out>
8: Audio decode demo <AAC-LC File In/Out>
i: Print detailed system information
s: Core Status: Active/In-active
e: Stop Demo
Enter Choice: 6
Enable Capture & Encode <Y/N>: Y
*************Capture Buf Size 65536, Enc Buffer Size 16384
Enter Choice: CAPTURE: Audio configuration done... - status 0!!!
CAPTURE: Audio configuration done... - status -1!!!
CAPTURE: Audio configuration done... - status -1!!!
CAPTURE: Audio configuration done... - status -1!!!
chData Ptr 2C5A7080, Size 32768, wrBuf 2C5A7080, rdBuf 2C5AF080, encBuf 2C5B7080, encBufSize 16384
chData Ptr 2C5BB080, Size 32768, wrBuf 2C5BB080, rdBuf 2C5C3080, encBuf 2C5CB080, encBufSize 16384
chData Ptr 2C5CF080, Size 32768, wrBuf 2C5CF080, rdBuf 2C5D7080, encBuf 2C5DF080, encBufSize 16384
.....
AUDIO: CAPTURE -> Encoder creation SUCCESS for CH - 8
AUDIO: ENC Handle 4BCFC0, Int Handle 4BCFCC
AUDIO: ENC -> bitrate 24000 inputBitsPerSample 16, sampleRate - 16000, numberOfChannels - 1...
AUDIO: ENC -> Rpe_create(AAC_ENC) done....
AUDIO: CAPTURE -> Encoder creation SUCCESS for CH - 9
AUDIO: ENC Handle 4BD0B8, Int Handle 4BD0C4
AUDIO: ENC -> bitrate 24000 inputBitsPerSample 16, sampleRate - 16000, numberOfChannels - 1...
AUDIO: ENC -> Rpe_create(AAC_ENC) done....
。。。。
AUDIO: STARTING AUDIO CAPTURE!!!!!
[AUDIO]captureDevice = plughw:0,0,numChannels=16,sampleRate =16000
ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card
AUDIO >> Cannot open audio device plughw:0,0 (No such file or directory)
AUDIO: Capture -> device init failed....- exiting!!!!!
do i have to add sound device manully ， recompile kernel ?
if so how to , or some other reasons ?
best regards
xavier