mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 17:42:43 +00:00
67cda61b7f
A C++ source file containing just
#include <LibFoo/Bar.h>
should always compile cleanly.
This patch adds missing header inclusions that could have caused weird error
messages if they were used in a different context. Also, this confused QtCreator.
95 lines
3.6 KiB
C++
95 lines
3.6 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, the SerenityOS developers.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/ByteBuffer.h>
|
|
#include <AK/RefCounted.h>
|
|
#include <AK/RefPtr.h>
|
|
#include <AK/StringView.h>
|
|
#include <LibAudio/Buffer.h>
|
|
#include <LibCore/File.h>
|
|
|
|
namespace Audio {
|
|
|
|
class LoaderPlugin {
|
|
public:
|
|
virtual ~LoaderPlugin() { }
|
|
|
|
virtual bool sniff() = 0;
|
|
|
|
virtual bool has_error() { return false; }
|
|
virtual const char* error_string() { return ""; }
|
|
|
|
virtual RefPtr<Buffer> get_more_samples(size_t max_bytes_to_read_from_input = 128 * KiB) = 0;
|
|
|
|
virtual void reset() = 0;
|
|
virtual void seek(const int position) = 0;
|
|
|
|
virtual int loaded_samples() = 0;
|
|
virtual int total_samples() = 0;
|
|
virtual u32 sample_rate() = 0;
|
|
virtual u16 num_channels() = 0;
|
|
virtual u16 bits_per_sample() = 0;
|
|
virtual RefPtr<Core::File> file() = 0;
|
|
};
|
|
|
|
class Loader : public RefCounted<Loader> {
|
|
public:
|
|
static NonnullRefPtr<Loader> create(const StringView& path) { return adopt(*new Loader(path)); }
|
|
static NonnullRefPtr<Loader> create(const ByteBuffer& buffer) { return adopt(*new Loader(buffer)); }
|
|
|
|
bool has_error() const { return m_plugin ? m_plugin->has_error() : true; }
|
|
const char* error_string() const { return m_plugin ? m_plugin->error_string() : "No loader plugin available"; }
|
|
|
|
RefPtr<Buffer> get_more_samples(size_t max_bytes_to_read_from_input = 128 * KiB) const { return m_plugin ? m_plugin->get_more_samples(max_bytes_to_read_from_input) : nullptr; }
|
|
|
|
void reset() const
|
|
{
|
|
if (m_plugin)
|
|
m_plugin->reset();
|
|
}
|
|
void seek(const int position) const
|
|
{
|
|
if (m_plugin)
|
|
m_plugin->seek(position);
|
|
}
|
|
|
|
int loaded_samples() const { return m_plugin ? m_plugin->loaded_samples() : 0; }
|
|
int total_samples() const { return m_plugin ? m_plugin->total_samples() : 0; }
|
|
u32 sample_rate() const { return m_plugin ? m_plugin->sample_rate() : 0; }
|
|
u16 num_channels() const { return m_plugin ? m_plugin->num_channels() : 0; }
|
|
u16 bits_per_sample() const { return m_plugin ? m_plugin->bits_per_sample() : 0; }
|
|
RefPtr<Core::File> file() const { return m_plugin ? m_plugin->file() : nullptr; }
|
|
|
|
private:
|
|
Loader(const StringView& path);
|
|
Loader(const ByteBuffer& buffer);
|
|
|
|
mutable OwnPtr<LoaderPlugin> m_plugin;
|
|
};
|
|
|
|
}
|