static HRESULT STDCALL MemAllocator_Decommit(IMemAllocator * This)
{
MemAllocator* me=(MemAllocator*)This;
Debug printf("MemAllocator_Decommit(%p) called\n", This);
//printf("Deleted mem %p: %d %d\n", me, me->free_list.size(), me->used_list.size());
while (me->used_list)
{
me->free_list = avm_list_add_tail(me->free_list,
(CMediaSample*) me->used_list->member);
me->used_list = avm_list_del_head(me->used_list);
}
while (me->free_list)
{
CMediaSample* sample = (CMediaSample*) me->free_list->member;
//printf("****************** Decommiting FREE %p\n", sample);
//sample->vt->Release((IUnknown*)sample);
CMediaSample_Destroy((CMediaSample*)sample);
me->free_list = avm_list_del_head(me->free_list);
}
return 0;
}
/**
* \brief CMediaSample constructor
*
* \param[in] allocator IMemallocator interface of allocator to use
* \param[in] size size of internal buffer
*
* \return pointer to CMediaSample object of NULL if error occured
*
*/
CMediaSample* CMediaSampleCreate(IMemAllocator* allocator, int size)
{
CMediaSample* This = malloc(sizeof(CMediaSample));
if (!This)
return NULL;
// some hack here!
// it looks like Acelp decoder is actually accessing
// the allocated memory before it sets the new size for it ???
// -- maybe it's being initialized with wrong parameters
// anyway this is fixes the problem somehow with some reserves
//
// using different trick for now - in DS_Audio modify sample size
//if (size < 0x1000)
// size = (size + 0xfff) & ~0xfff;
This->vt = malloc(sizeof(IMediaSample_vt));
This->own_block = malloc((size_t)size + SAFETY_ACEL);
This->media_type.pbFormat = 0;
This->media_type.pUnk = 0;
if (!This->vt || !This->own_block)
{
CMediaSample_Destroy(This);
return NULL;
}
This->vt->QueryInterface = CMediaSample_QueryInterface;
This->vt->AddRef = CMediaSample_AddRef;
This->vt->Release = CMediaSample_Release;
This->vt->GetPointer = CMediaSample_GetPointer;
This->vt->GetSize = CMediaSample_GetSize;
This->vt->GetTime = CMediaSample_GetTime;
This->vt->SetTime = CMediaSample_SetTime;
This->vt->IsSyncPoint = CMediaSample_IsSyncPoint;
This->vt->SetSyncPoint = CMediaSample_SetSyncPoint;
This->vt->IsPreroll = CMediaSample_IsPreroll;
This->vt->SetPreroll = CMediaSample_SetPreroll;
This->vt->GetActualDataLength = CMediaSample_GetActualDataLength;
This->vt->SetActualDataLength = CMediaSample_SetActualDataLength;
This->vt->GetMediaType = CMediaSample_GetMediaType;
This->vt->SetMediaType = CMediaSample_SetMediaType;
This->vt->IsDiscontinuity = CMediaSample_IsDiscontinuity;
This->vt->SetDiscontinuity = CMediaSample_SetDiscontinuity;
This->vt->GetMediaTime = CMediaSample_GetMediaTime;
This->vt->SetMediaTime = CMediaSample_SetMediaTime;
This->all = allocator;
This->size = size;
This->refcount = 0; // increased by MemAllocator
This->actual_size = 0;
This->isPreroll = 0;
This->isDiscontinuity = 1;
This->time_start = 0;
This->time_end = 0;
This->type_valid = 0;
This->block = This->own_block;
This->SetPointer = CMediaSample_SetPointer;
This->ResetPointer = CMediaSample_ResetPointer;
Debug printf("CMediaSample_Create(%p) called - sample size %d, buffer %p\n",
This, This->size, This->block);
return This;
}
