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Author SHA1 Message Date
Vencislav Atanasov
5d7c8a0df1 Convert non-ASCII characters to UTF-8
Comments and notes are converted to UTF-8. Already broken multibyte characters are fixed using common sense.

This patch contains no code changes.

Change-Id: Ia511ab84936cb2495ac17309493a9b98727a7902
2024-12-15 21:16:12 -05:00
Franklin Wei
4554b90859 sdl: fix two bugs in ROCKBOXAUD_PlayAudio()
First was an off-by-one bug in the loop over buffers. The condition was
`i < this->hidden->n_buffers', but should have been <=, not <. This wasn't
a critical issue, because the last iteration would check the currently
playing buffer - an unlikely situation.

The second logic bug would make the code always think it had found an empty
buffer, even when it had not, since `idx' was being unconditionally set
every loop, rendering it unusable for a sentinel value. Fix that.

Change-Id: I137330965d699acf827e59b6aa5c5f9ddf2ca617
2023-05-17 13:23:14 -04:00
Solomon Peachy
e28d1fe916 SDL: Silence a large number of compile warnings (WIP)
There are some real bugs in here, but we're drowning in warnings.

Change-Id: I7c2c0eafc8426327521bdd8a3ac2d3742ac16864
2020-04-11 19:29:47 +02:00
Franklin Wei
5d05b9d3e9 Quake!
This ports id Software's Quake to run on the SDL plugin runtime. The
source code originated from id under the GPLv2 license. I used
https://github.com/ahefner/sdlquake as the base of my port.

Performance is, unsurprisingly, not on par with what you're probably
used to on PC. I average about 10FPS on ipod6g, but it's still
playable.

Sound works well enough, but in-game music is not supported. I've
written ARM assembly routines for the inner sound loop. Make sure you
turn the "brightness" all the way down, or colors will look funky.

To run, extract Quake's data files to /.rockbox/quake. Have fun!

Change-Id: I4285036e967d7f0722802d43cf2096c808ca5799
2019-07-19 22:37:40 -04:00
Franklin Wei
c2411f785c sdl: silence audio driver debug output
Change-Id: I7aae3419f56f9cf952d9383f2a6cf9e9950e9a6d
2019-07-09 11:20:55 -04:00
Franklin Wei
6039eb05ba sdl: remove non-rockbox drivers
We never use any of these other drivers, so having them around just takes
up space.

Change-Id: Iced812162df1fef3fd55522b7e700acb6c3bcd41
2018-03-12 20:52:01 -04:00
Franklin Wei
ef373c03b9 sdl: clean up audio driver
This prevents a (highly improbable) race condition when exiting, and uses
pcm_set_frequency() instead of mixer_set_frequency(), since that seems like
the Right Thing to Do (TM).

Change-Id: Icb6a4597843215f08b3835490ac63f67c9a04736
2018-01-15 19:47:49 -05:00
Michael Sevakis
769d73d734 Use sleep(0) instead of yield() in SDL_WaitAudio
This allows CPU load to drop below 100%, which is good for anything
that scales frequency and voltage based on CPU load. Also conserves
some energy by letting the core go idle if there aren't any available
buffers.

Change-Id: I9385ac9e030f97010b12eb825875a900463ab0ac
2018-01-14 19:32:13 -05:00
Franklin Wei
ccd612345c sdl: fix freeze on startup on PP targets
Using the coprocessor was a good idea in theory, but didn't actually work.
This moves all SDL threads to the main core, which isn't ideal, but at
least works. Additionally, this also adds some good-practice stuff such as
setting the default sample rate on exit.

Change-Id: If1636b33d439000ec7c4e50f46e8d002708d3121
2018-01-11 19:45:31 -05:00
Franklin Wei
a855d62025 Port of Duke Nukem 3D
This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.

Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9
2017-12-23 21:01:26 -05:00