blob: dd7d984bac34b259ebdff08edc7d735fb4ec7de5 [file] [log] [blame]
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/filters/in_memory_url_protocol.h"
namespace media {
InMemoryUrlProtocol::InMemoryUrlProtocol(const uint8* data, int64 size,
bool streaming)
: data_(data),
size_(size),
position_(0),
streaming_(streaming) {
}
InMemoryUrlProtocol::~InMemoryUrlProtocol() {}
int InMemoryUrlProtocol::Read(int size, uint8* data) {
if (size < 0)
return -1;
int available_bytes = static_cast<int>(size_ - position_);
if (size > available_bytes)
size = available_bytes;
memcpy(data, data_ + position_, size);
position_ += size;
return size;
}
bool InMemoryUrlProtocol::GetPosition(int64* position_out) {
if (!position_out)
return false;
*position_out = position_;
return true;
}
bool InMemoryUrlProtocol::SetPosition(int64 position) {
if (position < 0 || position >= size_)
return false;
position_ = position;
return true;
}
bool InMemoryUrlProtocol::GetSize(int64* size_out) {
if (!size_out)
return false;
*size_out = size_;
return true;
}
bool InMemoryUrlProtocol::IsStreaming() {
return streaming_;
}
} // namespace media