diff options
Diffstat (limited to 'src/pcm/pcm_dshare.c')
| -rw-r--r-- | src/pcm/pcm_dshare.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/pcm/pcm_dshare.c b/src/pcm/pcm_dshare.c index 54dc9d48..2bb735fe 100644 --- a/src/pcm/pcm_dshare.c +++ b/src/pcm/pcm_dshare.c @@ -67,7 +67,9 @@ static void do_silence(snd_pcm_t *pcm) format = dshare->shmptr->s.format; for (chn = 0; chn < channels; chn++) { dchn = dshare->bindings ? dshare->bindings[chn] : chn; - snd_pcm_area_silence(&dst_areas[dchn], 0, dshare->shmptr->s.buffer_size, format); + if (dchn != UINT_MAX) + snd_pcm_area_silence(&dst_areas[dchn], 0, + dshare->shmptr->s.buffer_size, format); } } @@ -91,7 +93,9 @@ static void share_areas(snd_pcm_direct_t *dshare, } else { for (chn = 0; chn < channels; chn++) { dchn = dshare->bindings ? dshare->bindings[chn] : chn; - snd_pcm_area_copy(&dst_areas[dchn], dst_ofs, &src_areas[chn], src_ofs, size, format); + if (dchn != UINT_MAX) + snd_pcm_area_copy(&dst_areas[dchn], dst_ofs, + &src_areas[chn], src_ofs, size, format); } } @@ -834,8 +838,11 @@ int snd_pcm_dshare_open(snd_pcm_t **pcmp, const char *name, dshare->spcm = spcm; } - for (chn = 0; chn < dshare->channels; chn++) - dshare->u.dshare.chn_mask |= (1ULL<<dshare->bindings[chn]); + for (chn = 0; chn < dshare->channels; chn++) { + unsigned int dchn = dshare->bindings ? dshare->bindings[chn] : chn; + if (dchn != UINT_MAX) + dshare->u.dshare.chn_mask |= (1ULL << dchn); + } if (dshare->shmptr->u.dshare.chn_mask & dshare->u.dshare.chn_mask) { SNDERR("destination channel specified in bindings is already used"); dshare->u.dshare.chn_mask = 0; |