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Take commit() out of process() in both types of

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diskstream, and call commit() where appropriate.


git-svn-id: svn://localhost/ardour2/branches/3.0@10361 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2011-10-31 21:17:08 +00:00
parent d47e9247df
commit 5dba72c874
8 changed files with 38 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

2
libs/ardour/ardour/audio_diskstream.h
View file

@ -151,7 +151,7 @@ class AudioDiskstream : public Diskstream
protected:
friend class AudioTrack;
int process (framepos_t transport_frame, pframes_t nframes, bool& need_butler);
int process (framepos_t transport_frame, pframes_t nframes, framecnt_t &);
bool commit (framecnt_t);
private:

2
libs/ardour/ardour/diskstream.h
View file

@ -182,7 +182,7 @@ class Diskstream : public SessionObject, public PublicDiskstream
protected:
friend class Track;
virtual int process (framepos_t transport_frame, pframes_t nframes, bool& need_butler) = 0;
virtual int process (framepos_t transport_frame, pframes_t nframes, framecnt_t &) = 0;
virtual bool commit (framecnt_t) = 0;
//private:

2
libs/ardour/ardour/midi_diskstream.h
View file

@ -142,7 +142,7 @@ class MidiDiskstream : public Diskstream
protected:
friend class MidiTrack;
int process (framepos_t transport_frame, pframes_t nframes, bool& need_butler);
int process (framepos_t transport_frame, pframes_t nframes, framecnt_t &);
bool commit (framecnt_t nframes);
static framecnt_t midi_readahead;

18
libs/ardour/audio_diskstream.cc
View file

@ -415,18 +415,17 @@ AudioDiskstream::prepare_record_status(framepos_t capture_start_frame)
* that someone can read playback_distance worth of data from.
*/
int
AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& need_butler)
AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt_t& playback_distance)
{
uint32_t n;
boost::shared_ptr<ChannelList> c = channels.reader();
ChannelList::iterator chan;
int ret = -1;
framecnt_t rec_offset = 0;
framecnt_t rec_nframes = 0;
bool collect_playback = false;
bool can_record = _session.actively_recording ();
framecnt_t playback_distance = 0;
playback_distance = 0;
if (!_io || !_io->active()) {
return 0;
@ -511,7 +510,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
if (rec_nframes > total) {
DiskOverrun ();
goto out;
return -1;
}
boost::shared_ptr<AudioPort> const ap = _io->audio (n);
@ -617,7 +616,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
cerr << _name << " Need " << necessary_samples << " total = " << total << endl;
cerr << "underrun for " << _name << endl;
DiskUnderrun ();
goto out;
return -1;
} else {
@ -663,14 +662,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
_speed = _target_speed;
}
ret = 0;
if (commit (playback_distance)) {
need_butler = true;
}
out:
return ret;
return 0;
}
/** Update various things including playback_sample, read pointer on each channel's playback_buf

14
libs/ardour/audio_track.cc
View file

@ -329,7 +329,6 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
return 0;
}
int dret;
Sample* b;
Sample* tmpb;
framepos_t transport_frame;
@ -348,19 +347,26 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
transport_frame = _session.transport_frame();
int dret;
framecnt_t playback_distance;
if ((nframes = check_initial_delay (nframes, transport_frame)) == 0) {
/* need to do this so that the diskstream sets its
playback distance to zero, thus causing diskstream::commit
to do nothing.
*/
return diskstream->process (transport_frame, 0, need_butler);
dret = diskstream->process (transport_frame, 0, playback_distance);
need_butler = diskstream->commit (playback_distance);
return dret;
}
_silent = false;
_amp->apply_gain_automation(false);
if ((dret = diskstream->process (transport_frame, nframes, need_butler)) != 0) {
if ((dret = diskstream->process (transport_frame, nframes, playback_distance)) != 0) {
need_butler = diskstream->commit (playback_distance);
silence (nframes);
return dret;
}
@ -479,6 +485,8 @@ AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fram
silence (nframes);
}
need_butler = diskstream->commit (playback_distance);
return 0;
}

14
libs/ardour/midi_diskstream.cc
View file

@ -475,15 +475,15 @@ trace_midi (ostream& o, MIDI::byte *msg, size_t len)
#endif
int
MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& need_butler)
MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt_t& playback_distance)
{
int ret = -1;
framecnt_t rec_offset = 0;
framecnt_t rec_nframes = 0;
bool nominally_recording;
bool re = record_enabled ();
bool can_record = _session.actively_recording ();
framecnt_t playback_distance = 0;
playback_distance = 0;
check_record_status (transport_frame, can_record);
@ -596,13 +596,7 @@ MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& ne
}
ret = 0;
if (commit (playback_distance)) {
need_butler = true;
}
return ret;
return 0;
}
bool

15
libs/ardour/midi_track.cc
View file

@ -279,14 +279,13 @@ MidiTrack::set_state_part_two ()
}
int
MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& needs_butler)
MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler)
{
Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
if (!lm.locked()) {
return 0;
}
int dret;
boost::shared_ptr<MidiDiskstream> diskstream = midi_diskstream();
automation_snapshot (start_frame);
@ -302,17 +301,23 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
framepos_t transport_frame = _session.transport_frame();
int dret;
framecnt_t playback_distance;
if ((nframes = check_initial_delay (nframes, transport_frame)) == 0) {
/* need to do this so that the diskstream sets its
playback distance to zero, thus causing diskstream::commit
to do nothing.
*/
return diskstream->process (transport_frame, 0, needs_butler);
dret = diskstream->process (transport_frame, 0, playback_distance);
need_butler = diskstream->commit (playback_distance);
return dret;
}
_silent = false;
if ((dret = diskstream->process (transport_frame, nframes, needs_butler)) != 0) {
if ((dret = diskstream->process (transport_frame, nframes, playback_distance)) != 0) {
need_butler = diskstream->commit (playback_distance);
silence (nframes);
return dret;
}
@ -373,6 +378,8 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame
}
}
need_butler = diskstream->commit (playback_distance);
return 0;
}

5
libs/ardour/track.cc
View file

@ -378,7 +378,10 @@ Track::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*
silence (nframes);
return _diskstream->process (_session.transport_frame(), nframes, need_butler);
framecnt_t playback_distance;
int const dret = _diskstream->process (_session.transport_frame(), nframes, playback_distance);
need_butler = _diskstream->commit (playback_distance);
return dret;
}
void