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

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

View file

@ -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); */

View file

@ -110,6 +110,7 @@ struct userdata {
pa_memchunk memchunk;
size_t frame_size;
uint32_t in_fragment_size, out_fragment_size, in_nfrags, out_nfrags, in_hwbuf_size, out_hwbuf_size;
int use_getospace, use_getispace;
int use_getodelay;
@ -941,14 +942,21 @@ static void thread_func(void *userdata) {
}
do {
ssize_t t;
ssize_t t, k;
pa_assert(l > 0);
memchunk.memblock = pa_memblock_new(u->core->mempool, l);
memchunk.memblock = pa_memblock_new(u->core->mempool, (size_t) -1);
k = pa_memblock_get_length(memchunk.memblock);
if (k > l)
k = l;
k = (k/u->frame_size)*u->frame_size;
p = pa_memblock_acquire(memchunk.memblock);
t = pa_read(u->fd, p, l, &read_type);
t = pa_read(u->fd, p, k, &read_type);
pa_memblock_release(memchunk.memblock);
pa_assert(t != 0); /* EOF cannot happen */
@ -992,16 +1000,20 @@ static void thread_func(void *userdata) {
/* pa_log("loop2"); */
/* Now give the sink inputs some to time to process their data */
if ((ret = pa_sink_process_inputs(u->sink)) < 0)
goto fail;
if (ret > 0)
continue;
if (u->sink) {
if ((ret = pa_sink_process_inputs(u->sink)) < 0)
goto fail;
if (ret > 0)
continue;
}
/* Now give the source outputs some to time to process their data */
if ((ret = pa_source_process_outputs(u->source)) < 0)
goto fail;
if (ret > 0)
continue;
if (u->source) {
if ((ret = pa_source_process_outputs(u->source)) < 0)
goto fail;
if (ret > 0)
continue;
}
/* Check whether there is a message for us to process */
if ((ret = pa_thread_mq_process(&u->thread_mq) < 0))
@ -1148,6 +1160,7 @@ int pa__init(pa_module*m) {
u->use_getodelay = 1;
u->use_input_volume = u->use_pcm_volume = 1;
u->mode = mode;
u->frame_size = pa_frame_size(&ss);
u->device_name = pa_xstrdup(dev);
u->in_nfrags = u->out_nfrags = u->nfrags = nfrags;
u->out_fragment_size = u->in_fragment_size = u->frag_size = frag_size;

View file

@ -218,6 +218,11 @@ static pa_memblock *memblock_new_appended(pa_mempool *p, size_t length) {
pa_assert(p);
pa_assert(length > 0);
/* If -1 is passed as length we choose the size for the caller. */
if (length == (size_t) -1)
length = p->block_size - PA_ALIGN(sizeof(struct mempool_slot)) - PA_ALIGN(sizeof(pa_memblock));
b = pa_xmalloc(PA_ALIGN(sizeof(pa_memblock)) + length);
PA_REFCNT_INIT(b);
b->pool = p;
@ -261,7 +266,7 @@ static struct mempool_slot* mempool_allocate_slot(pa_mempool *p) {
static void* mempool_slot_data(struct mempool_slot *slot) {
pa_assert(slot);
return (uint8_t*) slot + sizeof(struct mempool_slot);
return (uint8_t*) slot + PA_ALIGN(sizeof(struct mempool_slot));
}
/* No lock necessary */
@ -292,16 +297,22 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) {
pa_assert(p);
pa_assert(length > 0);
if (p->block_size - sizeof(struct mempool_slot) >= sizeof(pa_memblock) + length) {
/* If -1 is passed as length we choose the size for the caller: we
* take the largest size that fits in one of our slots. */
if (length == (size_t) -1)
length = p->block_size - PA_ALIGN(sizeof(struct mempool_slot)) - PA_ALIGN(sizeof(pa_memblock));
if (p->block_size - PA_ALIGN(sizeof(struct mempool_slot)) >= PA_ALIGN(sizeof(pa_memblock)) + length) {
if (!(slot = mempool_allocate_slot(p)))
return NULL;
b = mempool_slot_data(slot);
b->type = PA_MEMBLOCK_POOL;
pa_atomic_ptr_store(&b->data, (uint8_t*) b + sizeof(pa_memblock));
pa_atomic_ptr_store(&b->data, (uint8_t*) b + PA_ALIGN(sizeof(pa_memblock)));
} else if (p->block_size - sizeof(struct mempool_slot) >= length) {
} else if (p->block_size - PA_ALIGN(sizeof(struct mempool_slot)) >= length) {
if (!(slot = mempool_allocate_slot(p)))
return NULL;
@ -313,7 +324,7 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) {
pa_atomic_ptr_store(&b->data, mempool_slot_data(slot));
} else {
pa_log_debug("Memory block too large for pool: %lu > %lu", (unsigned long) length, (unsigned long) (p->block_size - sizeof(struct mempool_slot)));
pa_log_debug("Memory block too large for pool: %lu > %lu", (unsigned long) length, (unsigned long) (p->block_size - PA_ALIGN(sizeof(struct mempool_slot))));
pa_atomic_inc(&p->stat.n_too_large_for_pool);
return NULL;
}
@ -335,6 +346,7 @@ pa_memblock *pa_memblock_new_fixed(pa_mempool *p, void *d, size_t length, int re
pa_assert(p);
pa_assert(d);
pa_assert(length != (size_t) -1);
pa_assert(length > 0);
if (!(b = pa_flist_pop(PA_STATIC_FLIST_GET(unused_memblocks))))
@ -359,6 +371,7 @@ pa_memblock *pa_memblock_new_user(pa_mempool *p, void *d, size_t length, void (*
pa_assert(p);
pa_assert(d);
pa_assert(length > 0);
pa_assert(length != (size_t) -1);
pa_assert(free_cb);
if (!(b = pa_flist_pop(PA_STATIC_FLIST_GET(unused_memblocks))))
@ -555,7 +568,7 @@ static void memblock_make_local(pa_memblock *b) {
pa_atomic_dec(&b->pool->stat.n_allocated_by_type[b->type]);
if (b->length <= b->pool->block_size - sizeof(struct mempool_slot)) {
if (b->length <= b->pool->block_size - PA_ALIGN(sizeof(struct mempool_slot))) {
struct mempool_slot *slot;
if ((slot = mempool_allocate_slot(b->pool))) {
@ -657,7 +670,7 @@ pa_mempool* pa_mempool_new(int shared) {
p->n_blocks = PA_MEMPOOL_SLOTS_MAX;
pa_assert(p->block_size > sizeof(struct mempool_slot));
pa_assert(p->block_size > PA_ALIGN(sizeof(struct mempool_slot)));
if (pa_shm_create_rw(&p->memory, p->n_blocks * p->block_size, shared, 0700) < 0) {
pa_xfree(p);
@ -725,8 +738,8 @@ void pa_mempool_vacuum(pa_mempool *p) {
while ((slot = pa_flist_pop(list))) {
pa_shm_punch(&p->memory,
(uint8_t*) slot - (uint8_t*) p->memory.ptr + sizeof(struct mempool_slot),
p->block_size - sizeof(struct mempool_slot));
(uint8_t*) slot - (uint8_t*) p->memory.ptr + PA_ALIGN(sizeof(struct mempool_slot)),
p->block_size - PA_ALIGN(sizeof(struct mempool_slot)));
while (pa_flist_push(p->free_slots, slot))
;