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Nick Miller 23d5b99fbf LibAudio: Make Loader::seek() treat its input as a sample index
This fixes a bug where if you try to play a Wave file a second
time (or loop with `aplay -l`), the second time will be pure
noise.

The function `Audio::Loader::seek` is meant to seek to a specific
audio sample, e.g. seek(0) should go to the first audio sample.
However, WavLoader was interpreting seek(0) as the beginning
of the file or stream, which contains non-audio header data.

This fixes the bug by capturing the byte offset of the start of the
audio data, and offseting the raw file/stream seek by that amount.
2021-06-09 17:30:08 +04:30
.github CI: Run libjs-test262 and update results on every push to master 2021-06-05 19:27:55 +01:00
AK AK: Allow changing the HashTable behaviour for sets on existing entries 2021-06-09 11:48:04 +01:00
Base Base: Clarify and extend unveil(2) man page 2021-06-08 12:15:04 +02:00
Documentation Documentation: Add ccache and rsync to the packages to install 2021-06-07 09:50:26 +02:00
Kernel Kernel: Mark VirtIOConsole constructor as UNMAP_AFTER_INIT 2021-06-09 10:57:51 +02:00
Meta Websites: Some updates for the serenityos.org front page 2021-06-08 10:56:52 +02:00
Ports Ports/ScummVM: Add freetype, libiconv, libjpeg and libpng to build deps 2021-06-08 17:29:57 +02:00
Tests AK: Make Vector capable of holding reference types 2021-06-08 19:14:24 +02:00
Toolchain Toolchain: Add gettext as a dependency to Dockerfile 2021-06-07 22:46:53 +02:00
Userland LibAudio: Make Loader::seek() treat its input as a sample index 2021-06-09 17:30:08 +04:30
.clang-format Meta: Update .clang-format to not indent nested namespaces 2020-03-14 10:10:21 +01:00
.gitattributes Meta: Mark the other image file formats as binary in .gitattributes 2021-05-20 08:04:28 +02:00
.gitignore LibWasm+Meta: Implement instantiation/execution primitives in test-wasm 2021-05-21 00:15:23 +01:00
.mailmap Meta: Add my email(s) to .mailmap 2021-05-20 08:58:55 +01:00
.pre-commit-config.yaml Meta: Add a post-commit commit message linter hook 2021-05-02 16:28:01 +02:00
.prettierignore Meta: Add lint-prettier.sh 2020-12-27 21:25:27 +01:00
.prettierrc Meta: Move prettier config files to the root of the repository 2020-08-24 18:21:33 +02:00
CMakeLists.txt CMake: Hide KMALLOC_VERIFY_NO_SPINLOCK_HELD so folks don't find it 2021-05-31 11:30:47 +01:00
CONTRIBUTING.md CONTRIBUTING.md: Add Pull Request Q&A section 2021-06-07 20:08:35 +02:00
LICENSE Everywhere: Use "the SerenityOS developers." in copyright headers 2021-04-29 00:59:26 +02:00
README.md Meta: Add LibGL to README :^) 2021-05-28 17:55:45 +01:00

SerenityOS

Graphical Unix-like operating system for x86 computers.

Build status Fuzzing Status Discord

About

SerenityOS is a love letter to '90s user interfaces with a custom Unix-like core. It flatters with sincerity by stealing beautiful ideas from various other systems.

Roughly speaking, the goal is a marriage between the aesthetic of late-1990s productivity software and the power-user accessibility of late-2000s *nix. This is a system by us, for us, based on the things we like.

I (Andreas) regularly post raw hacking sessions and demos on my YouTube channel.

Sometimes I write about the system on my github.io blog.

I'm also on Patreon and GitHub Sponsors if you would like to show some support that way.

Screenshot

Screenshot as of 0f85753.png

Kernel features

  • x86 (32-bit) kernel with pre-emptive multi-threading
  • Hardware protections (SMEP, SMAP, UMIP, NX, WP, TSD, ...)
  • IPv4 stack with ARP, TCP, UDP and ICMP protocols
  • ext2 filesystem
  • POSIX signals
  • Purgeable memory
  • /proc filesystem
  • Pseudoterminals (with /dev/pts filesystem)
  • Filesystem notifications
  • CPU and memory profiling
  • SoundBlaster 16 driver
  • VMWare/QEMU mouse integration

System services

  • Launch/session daemon (SystemServer)
  • Compositing window server (WindowServer)
  • Text console manager (TTYServer)
  • DNS client (LookupServer)
  • Network protocols server (RequestServer and WebSocket)
  • Software-mixing sound daemon (AudioServer)
  • Desktop notifications (NotificationServer)
  • HTTP server (WebServer)
  • Telnet server (TelnetServer)
  • DHCP client (DHCPClient)

Libraries

  • C++ templates and containers (AK)
  • Event loop and utilities (LibCore)
  • 2D graphics library (LibGfx)
  • OpenGL 1.x compatible library (LibGL)
  • GUI toolkit (LibGUI)
  • Cross-process communication library (LibIPC)
  • HTML/CSS engine (LibWeb)
  • JavaScript engine (LibJS)
  • Markdown (LibMarkdown)
  • Audio (LibAudio)
  • PCI database (LibPCIDB)
  • Terminal emulation (LibVT)
  • Out-of-process network protocol I/O (LibProtocol)
  • Mathematical functions (LibM)
  • ELF file handling (LibELF)
  • POSIX threading (LibPthread)
  • Higher-level threading (LibThreading)
  • Transport Layer Security (LibTLS)
  • HTTP and HTTPS (LibHTTP)

Userland features

  • Unix-like libc and userland
  • Shell with pipes and I/O redirection
  • On-line help system (both terminal and GUI variants)
  • Web browser (Browser)
  • C++ IDE (HackStudio)
  • IRC client
  • Desktop synthesizer (Piano)
  • Various desktop apps & games
  • Color themes

How do I read the documentation?

Man pages are available online at man.serenityos.org. These pages are generated from the Markdown source files in Base/usr/share/man and updated automatically.

When running SerenityOS you can use man for the terminal interface, or help for the GUI.

How do I build and run this?

See the SerenityOS build instructions

Before opening an issue

Please see the issue policy.

FAQ: Frequently Asked Questions

Get in touch

IRC: #serenityos on the Freenode IRC network.

Discord: SerenityOS Discord

Author

Contributors

(And many more!) The people listed above have landed more than 100 commits in the project. :^)

License

SerenityOS is licensed under a 2-clause BSD license.