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Diffstat (limited to 'src/modules/module-alsa-sink.c')
-rw-r--r--src/modules/module-alsa-sink.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/modules/module-alsa-sink.c b/src/modules/module-alsa-sink.c
index 6ff9a6e4..7bbd7de2 100644
--- a/src/modules/module-alsa-sink.c
+++ b/src/modules/module-alsa-sink.c
@@ -144,6 +144,7 @@ static void do_write(struct userdata *u) {
update_usage(u);
for (;;) {
+ void *p;
pa_memchunk *memchunk = NULL;
snd_pcm_sframes_t frames;
@@ -156,9 +157,15 @@ static void do_write(struct userdata *u) {
memchunk = &u->memchunk;
}
- assert(memchunk->memblock && memchunk->memblock->data && memchunk->length && memchunk->memblock->length && (memchunk->length % u->frame_size) == 0);
+ assert(memchunk->memblock);
+ assert(memchunk->length);
+ assert((memchunk->length % u->frame_size) == 0);
- if ((frames = snd_pcm_writei(u->pcm_handle, (uint8_t*) memchunk->memblock->data + memchunk->index, memchunk->length / u->frame_size)) < 0) {
+ p = pa_memblock_acquire(memchunk->memblock);
+
+ if ((frames = snd_pcm_writei(u->pcm_handle, (uint8_t*) p + memchunk->index, memchunk->length / u->frame_size)) < 0) {
+ pa_memblock_release(memchunk->memblock);
+
if (frames == -EAGAIN)
return;
@@ -176,6 +183,9 @@ static void do_write(struct userdata *u) {
return;
}
+ pa_memblock_release(memchunk->memblock);
+
+
if (memchunk == &u->memchunk) {
size_t l = frames * u->frame_size;
memchunk->index += l;