static void gf_cm_unit_del(GF_CMUnit *cb)
{
if (cb->next) gf_cm_unit_del(cb->next);
cb->next = NULL;
if (cb->data) {
free(cb->data);
cb->data = NULL;
}
free(cb);
}
static void gf_cm_unit_del(GF_CMUnit *cb, Bool no_data_allocation)
{
if (!cb)
return;
if (cb->next) gf_cm_unit_del(cb->next, no_data_allocation);
cb->next = NULL;
if (cb->data) {
if (!no_data_allocation) {
my_large_gf_free(cb->data);
}
cb->data = NULL;
}
gf_free(cb);
}
void gf_cm_del(GF_CompositionMemory *cb)
{
gf_odm_lock(cb->odm, 1);
/*may happen when CB is destroyed right after creation in case*/
if (cb->Status == CB_BUFFER) {
gf_clock_buffer_off(cb->odm->codec->ck);
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ODM%d: buffering off at %d (nb buffering on clock: %d)\n", cb->odm->OD->objectDescriptorID, gf_term_get_time(cb->odm->term), cb->odm->codec->ck->Buffering));
}
/*break the loop and destroy*/
cb->input->prev->next = NULL;
gf_cm_unit_del(cb->input);
gf_odm_lock(cb->odm, 0);
free(cb);
}
/*resize buffers (blocking)*/
void gf_cm_reinit(GF_CompositionMemory *cb, u32 UnitSize, u32 Capacity)
{
GF_CMUnit *cu, *prev;
u32 i;
if (!Capacity || !UnitSize) return;
gf_odm_lock(cb->odm, 1);
if (cb->input){
/*break the loop and destroy*/
cb->input->prev->next = NULL;
gf_cm_unit_del(cb->input, cb->no_allocation);
cb->input = NULL;
}
cu = NULL;
cb->Capacity = Capacity;
cb->UnitSize = UnitSize;
prev = NULL;
i = 1;
while (Capacity) {
cu = gf_cm_unit_new();
if (!prev) {
cb->input = cu;
} else {
prev->next = cu;
cu->prev = prev;
}
cu->dataLength = 0;
if (cb->no_allocation) {
cu->data = NULL;
} else {
cu->data = (char*)my_large_alloc(UnitSize);
}
prev = cu;
Capacity --;
i++;
}
cu->next = cb->input;
cb->input->prev = cu;
cb->output = cb->input;
gf_odm_lock(cb->odm, 0);
}
