tobid7
debedf59c6
- Move Timer to core - Use Timer for app_time - Fix Deltatime Bug in App - Add HwInfo to lib3ds (stolen from hbloader 2 pd-rewrite port) - Add GetSystemLanguage to lib3ds - Add Net Header for pd-net (still need to find a way to make this working) - Add base Decoder and Player Headers for pd-sound - Add Mp3 Decoder (useless and untested yet) - Add GetDataDirectory to App - Add InitFLag to App for HwInfo - Actually write the Timer class - Rework the UI7 Theme API to use SmartCtor - UI7::Menu::JoinAlign: Use a loop to determinate max width for centering a group - Add some Doctumentation around UI7::Menu
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
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MIT License
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Copyright (c) 2024 - 2025 René Amthor (tobid7)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <pd/sound/mp3.hpp>
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namespace PD {
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namespace Music {
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int Mp3Decoder::Init(const std::string& path) {
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int ret = 0;
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int encoding = 0;
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if ((ret = mpg123_init() != MPG123_OK)) {
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return ret;
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}
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if ((handle = mpg123_new(nullptr, &ret)) == nullptr) {
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return ret;
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}
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int cnls = 0;
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long _rate = 0;
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if (mpg123_open(handle, path.c_str()) != MPG123_OK ||
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mpg123_getformat(handle, &_rate, &cnls, &encoding)) {
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return ret;
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}
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rate = _rate;
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channels = cnls;
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mpg123_format_none(handle);
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mpg123_format(handle, rate, channels, encoding);
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buf_size = mpg123_outblock(handle) * 16;
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return ret;
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}
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void Mp3Decoder::Deinit() {
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mpg123_close(handle);
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mpg123_delete(handle);
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mpg123_exit();
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}
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u32 Mp3Decoder::GetSampleRate() { return rate; }
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u8 Mp3Decoder::GetChannels() { return channels; }
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u64 Mp3Decoder::Decode(u16* buf_address) {
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size_t done = 0;
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mpg123_read(handle, buf_address, buf_size, &done);
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return done / sizeof(u16);
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}
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size_t Mp3Decoder::GetFileSamples() {
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off_t len = mpg123_length(handle);
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if (len != MPG123_ERR) {
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return len * size_t(channels);
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}
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return -1; // NotExist
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}
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} // namespace Music
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} // namespace PD
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