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sane naming scheme for combined regions; fix deadlock when nesting to more than one level

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git-svn-id: svn://localhost/ardour2/branches/3.0@9519 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-05-16 13:06:55 +00:00
parent 0a9cef7720
commit 43798a7c25
5 changed files with 42 additions and 16 deletions
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20
libs/ardour/audio_playlist_source.cc
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@ -158,7 +158,7 @@ AudioPlaylistSource::set_state (const XMLNode& node, int /* version */)
_peak_path = prop->value ();
_level = _playlist->max_source_level ();
_level = _playlist->max_source_level () + 1;
ensure_buffers_for_level (_level);
return 0;
@ -167,6 +167,8 @@ AudioPlaylistSource::set_state (const XMLNode& node, int /* version */)
framecnt_t
AudioPlaylistSource::read_unlocked (Sample* dst, framepos_t start, framecnt_t cnt) const
{
Sample* sbuf;
gain_t* gbuf;
framecnt_t to_read;
framecnt_t to_zero;
pair<framepos_t,framepos_t> extent = _playlist->get_extent();
@ -185,10 +187,18 @@ AudioPlaylistSource::read_unlocked (Sample* dst, framepos_t start, framecnt_t cn
}
{
/* Don't need to hold the lock for the actual read, and
actually, we cannot, but we do want to interlock
with any changes to the list of buffers caused
by creating new nested playlists/sources
*/
Glib::Mutex::Lock lm (_level_buffer_lock);
_playlist->read (dst, _mixdown_buffers[_level-1], _gain_buffers[_level-1], start+_playlist_offset, to_read, _playlist_channel);
sbuf = _mixdown_buffers[_level-1];
gbuf = _gain_buffers[_level-1];
}
_playlist->read (dst, sbuf, gbuf, start+_playlist_offset, to_read, _playlist_channel);
if (to_zero) {
memset (dst+to_read, 0, sizeof (Sample) * to_zero);
}
@ -246,19 +256,13 @@ AudioPlaylistSource::setup_peakfile ()
/* the peak data is setup once and once only
*/
cerr << "looking for peakfile " << _peak_path << endl;
if (!Glib::file_test (_peak_path, Glib::FILE_TEST_EXISTS)) {
/* the 2nd argument here will be passed
in to ::peak_path, and is irrelevant
since our peak file path is fixed and
not dependent on anything.
*/
cerr << "build it!\n";
return initialize_peakfile (false, string());
} else {
cerr << "exists!\n";
}
return 0;