mirror of
https://github.com/badaix/snapcast
synced 2025-02-22 14:54:30 +01:00
86 lines
2.3 KiB
C++
86 lines
2.3 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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// local headers
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#include "sample_format.hpp"
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#include "common/snap_exception.hpp"
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#include "common/str_compat.hpp"
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#include "common/utils/string_utils.hpp"
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// standard headers
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#include <iostream>
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#include <sstream>
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#include <vector>
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using namespace std;
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SampleFormat::SampleFormat()
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{
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setFormat(0, 0, 0);
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}
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SampleFormat::SampleFormat(const std::string& format)
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{
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setFormat(format);
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}
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SampleFormat::SampleFormat(uint32_t sampleRate, uint16_t bitsPerSample, uint16_t channels)
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{
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setFormat(sampleRate, bitsPerSample, channels);
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}
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string SampleFormat::toString() const
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{
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stringstream ss;
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ss << rate_ << ":" << bits_ << ":" << channels_;
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return ss.str();
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}
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void SampleFormat::setFormat(const std::string& format)
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{
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std::vector<std::string> strs;
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strs = utils::string::split(format, ':');
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if (strs.size() == 3)
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setFormat(strs[0] == "*" ? 0 : cpt::stoul(strs[0]), strs[1] == "*" ? 0 : static_cast<uint16_t>(cpt::stoul(strs[1])),
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strs[2] == "*" ? 0 : static_cast<uint16_t>(cpt::stoul(strs[2])));
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else
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throw SnapException("sampleformat must be <rate>:<bits>:<channels>");
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}
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void SampleFormat::setFormat(uint32_t rate, uint16_t bits, uint16_t channels)
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{
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// needs something like:
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// 24_4 = 3 bytes, padded to 4
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// 32 = 4 bytes
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rate_ = rate;
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bits_ = bits;
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channels_ = channels;
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sample_size_ = bits / 8;
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if (bits_ == 24)
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sample_size_ = 4;
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frame_size_ = channels_ * sample_size_;
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// LOG(DEBUG) << "SampleFormat: " << rate << ":" << bits << ":" << channels << "\n";
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}
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