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53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2024 Johannes Pohl
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#pragma once
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// local headers
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#include "common/message/codec_header.hpp"
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#include "common/message/pcm_chunk.hpp"
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#include "common/sample_format.hpp"
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// 3rd party headers
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// standard headers
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namespace decoder
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{
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/// Base class for an audio decoder
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class Decoder
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{
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public:
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/// c'tor
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Decoder() = default;
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/// d'tor
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virtual ~Decoder() = default;
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/// decode encoded data stored in @p chunk, and write decoded data back into @p chunk
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/// return true, if data could be decoded and written back into @p chunk
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virtual bool decode(msg::PcmChunk* chunk) = 0;
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/// Set the codec header, stored in @p chunk.
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/// The CodecHeader is sent to every newly connected streaming client as first audio message.
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/// @return the sampleformat, decoded from the header
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virtual SampleFormat setHeader(msg::CodecHeader* chunk) = 0;
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};
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} // namespace decoder
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