[Theora-dev] player_example vs splayer
Ralph Giles
giles at xiph.org
Wed Jan 5 11:21:13 PST 2005
Speaking of portability and people more familiar with SDL:
The reason we have two example players for theora is that monty wrote
the original example around the OSS audio interface used on several free
unix-like operating systems, which immediately excludes win32 and MacOS,
even though it used SDL to display the frames. SDL also has audio
support, and is quite widely ported.
splayer replaces the OSS audio interface with the PortAudio(.com)
library, which aims to be crossplatform, and somewhat uniquely offers
latency reporting which greatly simplifies sync calculations.
Unfortunately portaudio isn't widely installed, is big, and isn't being
maintained very actively. So it's not may favorite dependency, and adds
quite a bit to sdk sizes without making the splayer source any more
familiar to developers.
Does anyone know why monty's audio sync hack for OSS wouldn't work
(about) as well with SDL audio buffers? I guess there might be more
latency overall, but the library is designed for game use so playback
trigger should be responsive; it's just about tracking the audio clock.
Can we switch player_example to just use SDL?
-r
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