diff options
Diffstat (limited to 'recordmydesktop/src/opendev.c')
| -rw-r--r-- | recordmydesktop/src/opendev.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/recordmydesktop/src/opendev.c b/recordmydesktop/src/opendev.c index 9250bab..d5a6af9 100644 --- a/recordmydesktop/src/opendev.c +++ b/recordmydesktop/src/opendev.c @@ -36,14 +36,16 @@ snd_pcm_t *OpenDev(const char *pcm_dev,unsigned int *channels,unsigned int *freq snd_pcm_hw_params_t *hwparams; unsigned int periods=2; unsigned int exactrate = *frequency; - + snd_pcm_uframes_t buffsize=1024; snd_pcm_hw_params_alloca(&hwparams); - snd_pcm_uframes_t buffsize=4096; + if (snd_pcm_open(&mhandle, pcm_dev, SND_PCM_STREAM_CAPTURE, SND_PCM_ASYNC)<0){ fprintf(stderr, "Couldn't open PCM device %s\n", pcm_dev); return NULL; } + else + fprintf(stderr, "Opened PCM device %s\n", pcm_dev); if (snd_pcm_hw_params_any(mhandle, hwparams)<0){ fprintf(stderr, "Couldn't configure PCM device.\n"); return NULL; @@ -76,7 +78,7 @@ snd_pcm_t *OpenDev(const char *pcm_dev,unsigned int *channels,unsigned int *freq fprintf(stderr, "Couldn't set periods.\n"); return NULL; } - buffsize=(exactrate)>>2; + if (snd_pcm_hw_params_set_buffer_size_near(mhandle, hwparams,&buffsize)<0){ fprintf(stderr, "Couldn't set buffer size.\n"); return NULL; @@ -87,11 +89,13 @@ snd_pcm_t *OpenDev(const char *pcm_dev,unsigned int *channels,unsigned int *freq } if(hard_pause!=NULL) if(!snd_pcm_hw_params_can_pause(hwparams)){ -// fprintf(stderr, "Current sound device doesn't seem to support pausing!\nI will attempt to close/reopen device in case you opt to pause during recording.\n"); *hard_pause=1; } if(periodsize!=NULL) snd_pcm_hw_params_get_period_size(hwparams,periodsize,0); + snd_pcm_hw_params_get_buffer_size(hwparams,&buffsize); + fprintf(stderr,"buffsize %d,periodsize %d\n",buffsize,*periodsize); + if(periodtime!=NULL) snd_pcm_hw_params_get_period_time(hwparams,periodtime,0); fprintf(stderr,"Recording on device %s is set to:\n%d channels at %dHz\n",pcm_dev,*channels,*frequency); |