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Add null decoder

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badaix 2023-01-22 11:27:14 +01:00
parent 638e545cc7
commit de11cb2d4c
4 changed files with 92 additions and 0 deletions
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1
client/CMakeLists.txt
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@ -5,6 +5,7 @@ set(CLIENT_SOURCES
stream.cpp
time_provider.cpp
decoder/pcm_decoder.cpp
decoder/null_decoder.cpp
player/player.cpp
player/file_player.cpp)

3
client/controller.cpp
View file

@ -25,6 +25,7 @@
// local headers
#include "decoder/pcm_decoder.hpp"
#include "decoder/null_decoder.hpp"
#if defined(HAS_OGG) && (defined(HAS_TREMOR) || defined(HAS_VORBIS))
#include "decoder/ogg_decoder.hpp"
#endif
@ -185,6 +186,8 @@ void Controller::getNextMessage()
else if (headerChunk_->codec == "opus")
decoder_ = make_unique<decoder::OpusDecoder>();
#endif
else if (headerChunk_->codec == "null")
decoder_ = make_unique<decoder::NullDecoder>();
else
throw SnapException("codec not supported: \"" + headerChunk_->codec + "\"");

52
client/decoder/null_decoder.cpp Normal file
View file

@ -0,0 +1,52 @@
/***
This file is part of snapcast
Copyright (C) 2014-2023 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/>.
***/
// prototype/interface header file
#include "null_decoder.hpp"
// local headers
#include "common/aixlog.hpp"
#include "common/endian.hpp"
#include "common/snap_exception.hpp"
// 3rd party headers
// standard headers
namespace decoder
{
NullDecoder::NullDecoder() : Decoder()
{
}
bool NullDecoder::decode(msg::PcmChunk* /*chunk*/)
{
return true;
}
SampleFormat NullDecoder::setHeader(msg::CodecHeader* chunk)
{
std::ignore = chunk;
return {48000, 16, 2};
}
} // namespace decoder

36
client/decoder/null_decoder.hpp Normal file
View file

@ -0,0 +1,36 @@
/***
This file is part of snapcast
Copyright (C) 2014-2023 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"
namespace decoder
{
class NullDecoder : public Decoder
{
public:
NullDecoder();
bool decode(msg::PcmChunk* chunk) override;
SampleFormat setHeader(msg::CodecHeader* chunk) override;
};
} // namespace decoder