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// Copyright 2017 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/media/decoder_buffer_allocator.h"
#include "nb/memory_scope.h"
#include "starboard/common/scoped_ptr.h"
#include "starboard/configuration.h"
#include "starboard/memory.h"
namespace cobalt {
namespace media {
DecoderBufferAllocator::DecoderBufferAllocator() : memory_block_(NULL) {
TRACK_MEMORY_SCOPE("Media");
if (COBALT_MEDIA_BUFFER_INITIAL_CAPACITY > 0) {
memory_block_ = SbMemoryAllocateAligned(
DecoderBuffer::kAlignmentSize, COBALT_MEDIA_BUFFER_INITIAL_CAPACITY);
}
if (COBALT_MEDIA_BUFFER_INITIAL_CAPACITY > 0 ||
COBALT_MEDIA_BUFFER_ALLOCATION_UNIT > 0) {
// TODO: Support COBALT_MEDIA_BUFFER_ALLOCATION_UNIT > 0.
memory_pool_.set(starboard::make_scoped_ptr(new nb::FirstFitMemoryPool(
memory_block_, COBALT_MEDIA_BUFFER_INITIAL_CAPACITY)));
}
}
DecoderBufferAllocator::~DecoderBufferAllocator() {
if (memory_pool_.is_valid()) {
DCHECK_EQ(memory_pool_->GetAllocated(), 0);
}
if (memory_block_) {
SbMemoryDeallocateAligned(memory_block_);
}
}
void* DecoderBufferAllocator::Allocate(Type type, size_t size,
size_t alignment) {
TRACK_MEMORY_SCOPE("Media");
UNREFERENCED_PARAMETER(type);
if (memory_pool_.is_valid()) {
return memory_pool_->Allocate(size, alignment);
}
return SbMemoryAllocateAligned(alignment, size);
}
void DecoderBufferAllocator::Free(Type type, void* ptr) {
UNREFERENCED_PARAMETER(type);
if (memory_pool_.is_valid()) {
memory_pool_->Free(ptr);
return;
}
SbMemoryDeallocateAligned(ptr);
}
} // namespace media
} // namespace cobalt