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also stop unnecessary NULL initialization
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Making things a bit more consistent
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Despite this listing already being named rmd_cache_audio, it used
sound instead of audio for the api.
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Since the sound capture buffers all sound in newly allocated memory,
the "stream time" represented by those buffers can be accounted for
immediately upon reading into the buffer. Doing it later in the
different threads on the other side of the queue, especially after
encoding, is an unnecessary pile of variable capacitance that just
makes things less synchronized for zero gain.
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This brings the !--on-the-fly-encoding mode up to speed.
The cached file header loses the total_frames counter, as the
capture_frameno already represents this.
Dropped frames are detected by simply looking at the difference
between the previous capture_frameno and the current one. This
simply gets passed to the encoder as a n_frames count so theora
can duplicate the frames as needed.
This was being done manually before by looking at the frameno and
total frames in each header and maintaining separate counts for
"extra frames" "missed frames" etc, and resubmitting entire
frames multiply for encoding dropped frames.
So a chunk of code has been thrown out from rmd_load_cache.c, and
some general cleanups have occurred there as well.
I also needed to add more locking around pdata->avd accesses.
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Name the timer and sound capture threads as well, and fixup the
rmd{Encode,Cache}Sounds names -> rmd{Encode,Cache}Sound
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Now users can easily differentiate which rmd subtasks are
busy by using top-like tools in show-threads mode.
Also aids in troubleshooting...
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This restores the recordmydesktop/ subdir as root from the mirror I
cloned by fork from.
I have no particular interest in the gtk/qt frontends and it doesn't
appear they were part of a single tree in the past. But I will
probably preserve backwards compatibility of the cli so they can
continue to work with this fork installed.
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