mirror of
https://github.com/badaix/snapcast
synced 2025-09-08 11:02:33 +02:00
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/***
|
|
This file is part of snapcast
|
|
Copyright (C) 2014-2025 Johannes Pohl
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#pragma once
|
|
|
|
// local headers
|
|
#include "decoder.hpp"
|
|
|
|
// 3rd party headers
|
|
#include <FLAC/stream_decoder.h>
|
|
|
|
// standard headers
|
|
#include <memory>
|
|
#include <mutex>
|
|
|
|
|
|
namespace decoder
|
|
{
|
|
|
|
|
|
/// Cache internal decoder status
|
|
struct CacheInfo
|
|
{
|
|
/// Reset current cache info
|
|
void reset()
|
|
{
|
|
isCachedChunk_ = true;
|
|
cachedBlocks_ = 0;
|
|
}
|
|
|
|
bool isCachedChunk_{true}; ///< is the current block cached
|
|
size_t cachedBlocks_{0}; ///< number of cached blocks
|
|
size_t sampleRate_{0}; ///< sample rate of the block
|
|
};
|
|
|
|
|
|
/// Flac decoder
|
|
class FlacDecoder : public Decoder
|
|
{
|
|
public:
|
|
/// c'tor
|
|
FlacDecoder();
|
|
/// d'tor
|
|
~FlacDecoder() override;
|
|
|
|
bool decode(msg::PcmChunk* chunk) override;
|
|
SampleFormat setHeader(msg::CodecHeader* chunk) override;
|
|
|
|
/// Flac internal cache info
|
|
CacheInfo cacheInfo_;
|
|
/// Last decoder error
|
|
std::unique_ptr<FLAC__StreamDecoderErrorStatus> lastError_;
|
|
|
|
private:
|
|
std::mutex mutex_;
|
|
};
|
|
|
|
} // namespace decoder
|