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Improve memory handling

Browse source 
Reserve 0,0 for stack allocated mem that we never free
Improve allocation in the link
Parse format and properties in-line, there is no need to allocate
memory.
Improve buffer cleanup in alsa
Add timestamps and offset to alsa
This commit is contained in:
Wim Taymans 2016-09-20 19:52:05 +02:00
parent 77f93e37ed
commit 27acab7532
7 changed files with 155 additions and 69 deletions
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20
spa/lib/memory.c
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@ -33,7 +33,7 @@
#undef USE_MEMFD
#if 0
#if 1
#define SPA_DEBUG_MEMORY(format,args...) fprintf(stderr,format,##args)
#else
#define SPA_DEBUG_MEMORY(format,args...)
@ -60,7 +60,7 @@ spa_memory_pool_init (SpaMemoryPool *pool, uint32_t id)
memset (pool, 0, sizeof (SpaMemoryPool));
for (i = 0; i < MAX_MEMORIES; i++)
pool->free_mem[i] = MAX_MEMORIES - 1 - i;
pool->n_free = MAX_MEMORIES;
pool->n_free = MAX_MEMORIES - 1;
pool->id = id;
pool->valid = true;
}
@ -129,7 +129,7 @@ spa_memory_alloc (uint32_t pool_id)
mem->mem.pool_id = pool_id;
mem->mem.id = id;
SPA_DEBUG_MEMORY ("mem %p: alloc\n", mem);
SPA_DEBUG_MEMORY ("mem %p: alloc %u:%u\n", mem, pool_id, id);
return mem;
}
@ -254,7 +254,8 @@ spa_memory_ref (SpaMemoryRef *ref)
if (!(mem = spa_memory_find (ref)))
return SPA_RESULT_ERROR;
mem->refcount++;
if (mem->mem.id > 0)
mem->refcount++;
return SPA_RESULT_OK;
}
@ -264,7 +265,7 @@ spa_memory_free (SpaMemory *mem)
{
SpaMemoryPool *pool;
SPA_DEBUG_MEMORY ("mem %p: free\n", mem);
SPA_DEBUG_MEMORY ("mem %p: free %u:%u\n", mem, mem->mem.pool_id, mem->mem.id);
if (mem->fd != -1) {
if (mem->ptr)
@ -287,7 +288,7 @@ spa_memory_unref (SpaMemoryRef *ref)
if (!(mem = spa_memory_find (ref)))
return SPA_RESULT_ERROR;
if (--mem->refcount == 0) {
if (mem->mem.id > 0 && --mem->refcount == 0) {
if (mem->notify)
mem->notify (mem);
@ -303,13 +304,14 @@ spa_memory_find (SpaMemoryRef *ref)
{
SpaMemoryPool *pool;
if (ref == NULL || ref->pool_id >= MAX_POOLS || !pools[ref->pool_id].valid)
if (ref == NULL || ref->pool_id >= MAX_POOLS || !pools[ref->pool_id].valid || ref->id <= 0)
return NULL;
pool = &pools[ref->pool_id];
if (ref->id >= MAX_MEMORIES || pool->memories[ref->id].refcount <= 0)
return NULL;
if (ref->id >= MAX_MEMORIES || pool->memories[ref->id].refcount <= 0) {
SPA_DEBUG_MEMORY ("can't find mem %u:%u\n", ref->pool_id, ref->id);
}
return &pool->memories[ref->id];
}