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fix an assert when runnig module-oss in record only-mode. optimize allocation of memblocks on playback

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1777 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-09-06 23:29:16 +00:00
parent d60940dbe4
commit b41dbfd28d
3 changed files with 56 additions and 23 deletions
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13
src/modules/module-alsa-source.c
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@ -210,7 +210,7 @@ static int unix_read(struct userdata *u) {
for (;;) {
void *p;
snd_pcm_sframes_t t;
snd_pcm_sframes_t t, k;
ssize_t l;
int err;
pa_memchunk chunk;
@ -228,10 +228,17 @@ static int unix_read(struct userdata *u) {
if (l <= 0)
return work_done;
chunk.memblock = pa_memblock_new(u->core->mempool, l);
chunk.memblock = pa_memblock_new(u->core->mempool, (size_t) -1);
k = pa_memblock_get_length(chunk.memblock);
if (k > l)
k = l;
k = (k/u->frame_size)*u->frame_size;
p = pa_memblock_acquire(chunk.memblock);
t = snd_pcm_readi(u->pcm_handle, (uint8_t*) p, l / u->frame_size);
t = snd_pcm_readi(u->pcm_handle, (uint8_t*) p, k / u->frame_size);
pa_memblock_release(chunk.memblock);
/* pa_log("wrote %i bytes of %u (%u)", t*u->frame_size, u->memchunk.length, l); */