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vfs_oss: fix output fragment limit calculations

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Fixes #4289
This commit is contained in:
Christian Prochaska 2021-10-07 18:10:26 +02:00 committed by Norman Feske
parent ef8a43c546
commit b337ee2f2b
1 changed files with 3 additions and 2 deletions
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5
repos/libports/src/lib/vfs/oss/vfs_oss.cc
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@ -169,7 +169,7 @@ struct Vfs::Oss_file_system::Audio
_info.channels = CHANNELS; _info.channels = CHANNELS;
_info.format = (unsigned)AFMT_S16_LE; _info.format = (unsigned)AFMT_S16_LE;
_info.sample_rate = Audio_out::SAMPLE_RATE; _info.sample_rate = Audio_out::SAMPLE_RATE;
_info.ofrag_total = Audio_out::QUEUE_SIZE; _info.ofrag_total = Audio_out::QUEUE_SIZE - 2;
_info.ofrag_size = _info.ofrag_size =
(unsigned)Audio_out::PERIOD * (unsigned)CHANNELS (unsigned)Audio_out::PERIOD * (unsigned)CHANNELS
* sizeof (int16_t); * sizeof (int16_t);
@ -558,7 +558,8 @@ struct Vfs::Oss_file_system::Local_factory : File_system_factory
*this, *this,
&Vfs::Oss_file_system::Local_factory::_play_underruns_changed }; &Vfs::Oss_file_system::Local_factory::_play_underruns_changed };
static constexpr size_t _native_stream_size { Audio_out::QUEUE_SIZE * _stream_packet_size }; static constexpr size_t _native_stream_size { (Audio_out::QUEUE_SIZE - 2) *
_stream_packet_size };
static constexpr size_t _ofrag_total_min { 2 }; static constexpr size_t _ofrag_total_min { 2 };
static constexpr size_t _ofrag_size_min { _stream_packet_size }; static constexpr size_t _ofrag_size_min { _stream_packet_size };
static constexpr size_t _ofrag_total_max { _native_stream_size / _ofrag_size_min }; static constexpr size_t _ofrag_total_max { _native_stream_size / _ofrag_size_min };