-
Notifications
You must be signed in to change notification settings - Fork 12
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #118 from fallahn/golf-1.17
Golf 1.17.0b
- Loading branch information
Showing
30 changed files
with
908 additions
and
294 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
116 changes: 116 additions & 0 deletions
116
crogine/include/crogine/audio/sound_system/Playlist.hpp
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /*----------------------------------------------------------------------- | ||
| Matt Marchant 2024 | ||
| http://trederia.blogspot.com | ||
| crogine - Zlib license. | ||
| This software is provided 'as-is', without any express or | ||
| implied warranty.In no event will the authors be held | ||
| liable for any damages arising from the use of this software. | ||
| Permission is granted to anyone to use this software for any purpose, | ||
| including commercial applications, and to alter it and redistribute | ||
| it freely, subject to the following restrictions : | ||
| 1. The origin of this software must not be misrepresented; | ||
| you must not claim that you wrote the original software. | ||
| If you use this software in a product, an acknowledgment | ||
| in the product documentation would be appreciated but | ||
| is not required. | ||
| 2. Altered source versions must be plainly marked as such, | ||
| and must not be misrepresented as being the original software. | ||
| 3. This notice may not be removed or altered from any | ||
| source distribution. | ||
| -----------------------------------------------------------------------*/ | ||
|
|
||
| #pragma once | ||
|
|
||
| #include <crogine/Config.hpp> | ||
|
|
||
| #include <string> | ||
| #include <vector> | ||
| #include <array> | ||
| #include <thread> | ||
| #include <mutex> | ||
| #include <atomic> | ||
| #include <memory> | ||
|
|
||
| namespace cro | ||
| { | ||
| /* | ||
| \brief Loads and buffers audio files asynchronously so | ||
| that they may be streamed continuously to a buffer such | ||
| as DynamicAudioStream. Output is 48KHz 16 bit Stereo | ||
| files are resampled on load if necessary | ||
| */ | ||
| class CRO_EXPORT_API Playlist final | ||
| { | ||
| public: | ||
| Playlist(); | ||
| ~Playlist(); | ||
|
|
||
| Playlist(const Playlist&) = delete; | ||
| Playlist(Playlist&&) = delete; | ||
| Playlist& operator = (const Playlist) = delete; | ||
| Playlist& operator = (Playlist&&) = delete; | ||
|
|
||
|
|
||
| /*! | ||
| \brief Add a file path to a file to addd to the playlist | ||
| NOTE this must be the FULL PATH to the file, if a relative | ||
| path is intended, eg in the assets directory, then make | ||
| sure to prepend the path with FileSystem::getResourcePath() | ||
| */ | ||
| void addPath(const std::string&); | ||
|
|
||
|
|
||
| /*! | ||
| \brief returns a pointer 16 bit Stereo PCM samples | ||
| \param count A reference to a std::int32_t which is filled | ||
| with the number of *samples* pointed to by the return value | ||
| */ | ||
| const std::int16_t* getData(std::int32_t& count); | ||
|
|
||
| /*! | ||
| \brief Returns a COPY of the tracklist (as it otherwise gets manipulated | ||
| by multiple threads...) | ||
| */ | ||
| std::vector<std::string> getTrackList() const; | ||
|
|
||
| /*! | ||
| \brief Pre-loads the first buffer (if possible) - use this to | ||
| prime the audio input without having to wait until the first call to getData() | ||
| */ | ||
| void precache(); | ||
|
|
||
| private: | ||
|
|
||
| static constexpr std::size_t MaxBuffers = 3u; | ||
|
|
||
| //main thread only | ||
| std::array<std::int16_t, 100u> m_silence = {}; //returned when no audio is available | ||
| std::atomic<std::size_t> m_outBuffer; //current buffer from which data is returned | ||
| std::int32_t m_outputOffset; //where we are in the current buffer | ||
|
|
||
| //worker thread only | ||
| std::atomic<std::size_t> m_inBuffer; //next buffer to be filled with data from thread | ||
|
|
||
| //touched by both threads | ||
| std::vector<std::string> m_filePaths; | ||
| std::atomic<std::size_t> m_fileIndex; | ||
|
|
||
| std::array<std::vector<std::int16_t>, MaxBuffers> m_buffers = {}; | ||
|
|
||
|
|
||
| std::atomic_bool m_threadRunning; | ||
| std::atomic_bool m_loadNextFile; | ||
| std::thread m_thread; | ||
| mutable std::mutex m_mutex; | ||
|
|
||
| void threadFunc(); | ||
| }; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.