mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-02 09:01:48 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

dmix: fix interleaved check

Browse source 
When checking that samples are properly interleaved, use the actual
sample size instead of always assuming 16 bits.
This commit is contained in:
Clemens Ladisch 2005-12-19 07:40:15 +00:00
parent 45f63a8735
commit 2a438a6eec
1 changed files with 7 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/pcm/pcm_direct.c
View file

@ -1143,11 +1143,12 @@ int snd_pcm_direct_set_timer_params(snd_pcm_direct_t *dmix)
int snd_pcm_direct_check_interleave(snd_pcm_direct_t *dmix, snd_pcm_t *pcm) int snd_pcm_direct_check_interleave(snd_pcm_direct_t *dmix, snd_pcm_t *pcm)
{ {
unsigned int chn, channels; unsigned int chn, channels;
int interleaved = 1; int bits, interleaved = 1;
const snd_pcm_channel_area_t *dst_areas; const snd_pcm_channel_area_t *dst_areas;
const snd_pcm_channel_area_t *src_areas; const snd_pcm_channel_area_t *src_areas;
if ((snd_pcm_format_physical_width(dmix->type) % 8) != 0) bits = snd_pcm_format_physical_width(dmix->type);
if ((bits % 8) != 0)
interleaved = 0; interleaved = 0;
channels = dmix->channels; channels = dmix->channels;
dst_areas = snd_pcm_mmap_areas(dmix->spcm); dst_areas = snd_pcm_mmap_areas(dmix->spcm);
@ -1167,13 +1168,13 @@ int snd_pcm_direct_check_interleave(snd_pcm_direct_t *dmix, snd_pcm_t *pcm)
interleaved = 0; interleaved = 0;
break; break;
} }
if (dst_areas[chn].first != sizeof(signed short) * chn * 8 || if (dst_areas[chn].first != chn * bits ||
dst_areas[chn].step != channels * sizeof(signed short) * 8) { dst_areas[chn].step != channels * bits) {
interleaved = 0; interleaved = 0;
break; break;
} }
if (src_areas[chn].first != sizeof(signed short) * chn * 8 || if (src_areas[chn].first != chn * bits ||
src_areas[chn].step != channels * sizeof(signed short) * 8) { src_areas[chn].step != channels * bits) {
interleaved = 0; interleaved = 0;
break; break;
} }