diff options
Diffstat (limited to 'Alc/alsa.c')
| -rw-r--r-- | Alc/alsa.c | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -281,6 +281,8 @@ static ALCboolean alsa_open_playback(ALCdevice *device, const ALCchar *deviceNam unsigned int periods; alsa_data *data; char driver[64]; + const char *str; + int allowmmap; char *err; int i; @@ -360,12 +362,18 @@ open_alsa: periods = 4; bufferSizeInFrames = device->UpdateFreq / periods; + str = GetConfigValue("alsa", "mmap", "true"); + allowmmap = (strcasecmp(str, "true") == 0 || + strcasecmp(str, "yes") == 0 || + strcasecmp(str, "on") == 0 || + atoi(str) != 0); + psnd_pcm_hw_params_malloc(&p); #define ok(func, str) (i=(func),((i<0)?(err=(str)),0:1)) /* start with the largest configuration space possible */ if(!(ok(psnd_pcm_hw_params_any(data->pcmHandle, p), "any") && /* set interleaved access */ - (ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_MMAP_INTERLEAVED), "set access") || + ((allowmmap && ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_MMAP_INTERLEAVED), "set access")) || ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_RW_INTERLEAVED), "set access")) && /* set format (implicitly sets sample bits) */ ok(psnd_pcm_hw_params_set_format(data->pcmHandle, p, data->format), "set format") && |