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delay for bugguy alsa driver

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@117 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
aymeric 2008-10-24 15:25:56 +00:00
parent f4d2d7dab4
commit 96e05f19c9
1 changed files with 53 additions and 6 deletions
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59
linphone/mediastreamer2/src/alsa.c
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@ -208,10 +208,33 @@ static snd_pcm_t * alsa_open_r(const char *pcmdev,int bits,int stereo,int rate)
return NULL;
}
#endif
if (alsa_set_params(pcm_handle,0,bits,stereo,rate)<0){
snd_pcm_close(pcm_handle);
return NULL;
{
struct timeval tv1;
struct timeval tv2;
struct timezone tz;
int diff = 0;
err = gettimeofday(&tv1, &tz);
while (1) {
if (!(alsa_set_params(pcm_handle,0,bits,stereo,rate)<0)){
ms_message("alsa_open_r: Audio params set");
break;
}
if (!gettimeofday(&tv2, &tz) && !err) {
diff = ((tv2.tv_sec - tv1.tv_sec) * 1000000) + (tv2.tv_usec - tv1.tv_usec);
} else {
diff = -1;
}
if ((diff < 0) || (diff > 3000000)) { /* 3 secondes */
ms_error("alsa_open_r: Error setting params for more than 3 seconds");
snd_pcm_close(pcm_handle);
return NULL;
}
ms_warning("alsa_open_r: Error setting params (for %d micros)", diff);
usleep(200000);
}
}
err=snd_pcm_start(pcm_handle);
if (err<0){
ms_warning("snd_pcm_start() failed: %s", snd_strerror(err));
@ -227,10 +250,34 @@ static snd_pcm_t * alsa_open_w(const char *pcmdev,int bits,int stereo,int rate)
ms_warning("alsa_open_w: Error opening PCM device %s",pcmdev );
return NULL;
}
if (alsa_set_params(pcm_handle,1,bits,stereo,rate)<0){
snd_pcm_close(pcm_handle);
return NULL;
{
struct timeval tv1;
struct timeval tv2;
struct timezone tz;
int diff = 0;
int err;
err = gettimeofday(&tv1, &tz);
while (1) {
if (!(alsa_set_params(pcm_handle,1,bits,stereo,rate)<0)){
ms_message("alsa_open_w: Audio params set");
break;
}
if (!gettimeofday(&tv2, &tz) && !err) {
diff = ((tv2.tv_sec - tv1.tv_sec) * 1000000) + (tv2.tv_usec - tv1.tv_usec);
} else {
diff = -1;
}
if ((diff < 0) || (diff > 3000000)) { /* 3 secondes */
ms_error("alsa_open_w: Error setting params for more than 3 seconds");
snd_pcm_close(pcm_handle);
return NULL;
}
ms_warning("alsa_open_w: Error setting params (for %d micros)", diff);
usleep(200000);
}
}
return pcm_handle;
}