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desmume
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Brown paper bug: use plughw:0,0 as device instead of default, this is actually an error i introduced and not on the original. 

Then check snd_pcm_readi return since it can fails and actually it is doing so.
This commit is contained in:
riccardom 2009-07-11 15:15:57 +00:00
parent fd20b10c90
commit ba33e8aa6b
1 changed files with 8 additions and 2 deletions
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10
desmume/src/mic_alsa.cpp
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@ -22,7 +22,7 @@ BOOL Mic_Init()
return TRUE;
// Open the default sound card in capture
if (snd_pcm_open(&pcm_handle, "default", SND_PCM_STREAM_CAPTURE, 0) < 0)
if (snd_pcm_open(&pcm_handle, "plughw:0,0", SND_PCM_STREAM_CAPTURE, 0) < 0)
return FALSE;
// Allocate the snd_pcm_hw_params_t structure and fill it.
@ -37,9 +37,11 @@ BOOL Mic_Init()
//dir 0 == exacte (Rate = 16K exacte)
if (snd_pcm_hw_params_set_rate(pcm_handle, hwparams, 16000, 0) < 0)
return FALSE;
/* Set sample format */
if (snd_pcm_hw_params_set_format(pcm_handle, hwparams, SND_PCM_FORMAT_S8) < 0)
return FALSE;
// Set one channel (mono)
if (snd_pcm_hw_params_set_channels(pcm_handle, hwparams, 1) < 0)
return FALSE;
@ -85,6 +87,7 @@ void Mic_DeInit()
u8 Mic_ReadSample()
{
int error;
u8 tmp;
u8 ret;
@ -102,7 +105,10 @@ u8 Mic_ReadSample()
Mic_BufPos++;
if (Mic_BufPos >= (MIC_BUFSIZE << 1)) {
Mic_BufPos = 0;
snd_pcm_readi(pcm_handle, Mic_Buffer[Mic_PlayBuf], MIC_BUFSIZE);
error = snd_pcm_readi(pcm_handle, Mic_Buffer[Mic_PlayBuf], MIC_BUFSIZE);
if (error < 1) {
printf("snd_pcm_readi FAIL!: %s\n", snd_strerror(error));
}
Mic_PlayBuf ^= 1;
}