diff options
Diffstat (limited to 'src/modules/module-alsa-source.c')
| -rw-r--r-- | src/modules/module-alsa-source.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/modules/module-alsa-source.c b/src/modules/module-alsa-source.c index aa0666f1..9bde46da 100644 --- a/src/modules/module-alsa-source.c +++ b/src/modules/module-alsa-source.c @@ -149,6 +149,7 @@ static void do_read(struct userdata *u) { pa_memchunk post_memchunk; snd_pcm_sframes_t frames; size_t l; + void *p; if (!u->memchunk.memblock) { u->memchunk.memblock = pa_memblock_new(u->source->core->mempool, u->memchunk.length = u->fragment_size); @@ -157,11 +158,13 @@ static void do_read(struct userdata *u) { assert(u->memchunk.memblock); assert(u->memchunk.length); - assert(u->memchunk.memblock->data); - assert(u->memchunk.memblock->length); assert(u->memchunk.length % u->frame_size == 0); - if ((frames = snd_pcm_readi(u->pcm_handle, (uint8_t*) u->memchunk.memblock->data + u->memchunk.index, u->memchunk.length / u->frame_size)) < 0) { + p = pa_memblock_acquire(u->memchunk.memblock); + + if ((frames = snd_pcm_readi(u->pcm_handle, (uint8_t*) p + u->memchunk.index, u->memchunk.length / u->frame_size)) < 0) { + pa_memblock_release(u->memchunk.memblock); + if (frames == -EAGAIN) return; @@ -178,6 +181,7 @@ static void do_read(struct userdata *u) { pa_module_unload_request(u->module); return; } + pa_memblock_release(u->memchunk.memblock); l = frames * u->frame_size; |