58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#include "PartitionConfig.hxx"
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#include "Data.hxx"
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#include "Domain.hxx"
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#include "Parser.hxx"
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#include "pcm/AudioParser.hxx"
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#include "lib/fmt/RuntimeError.hxx"
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#include "Log.hxx"
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#include "MusicChunk.hxx"
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static constexpr
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size_t MIN_BUFFER_SIZE = std::max(CHUNK_SIZE * 32,
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64 * KILOBYTE);
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static unsigned
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GetBufferChunks(const ConfigData &config)
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{
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size_t buffer_size = PlayerConfig::DEFAULT_BUFFER_SIZE;
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if (auto *param = config.GetParam(ConfigOption::AUDIO_BUFFER_SIZE)) {
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buffer_size = param->With([](const char *s){
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size_t result = ParseSize(s, KILOBYTE);
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if (result <= 0)
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throw FmtRuntimeError("buffer size \"{}\" is not a "
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"positive integer", s);
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if (result < MIN_BUFFER_SIZE) {
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FmtWarning(config_domain, "buffer size {} is too small, using {} bytes instead",
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result, MIN_BUFFER_SIZE);
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result = MIN_BUFFER_SIZE;
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}
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return result;
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});
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}
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unsigned buffer_chunks = buffer_size / CHUNK_SIZE;
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if (buffer_chunks >= 1 << 15)
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throw FmtRuntimeError("buffer size \"{}\" is too big",
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buffer_size);
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return buffer_chunks;
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}
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PlayerConfig::PlayerConfig(const ConfigData &config)
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:buffer_chunks(GetBufferChunks(config)),
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audio_format(config.With(ConfigOption::AUDIO_OUTPUT_FORMAT, [](const char *s){
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if (s == nullptr)
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return AudioFormat::Undefined();
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return ParseAudioFormat(s, true);
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})),
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replay_gain(config),
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mixramp_analyzer(config.GetBool(ConfigOption::MIXRAMP_ANALYZER, false))
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{
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}
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