#include "ardour/filename_extensions.h"
#include "ardour/graph.h"
#include "ardour/midiport_manager.h"
+#include "ardour/scene_changer.h"
#include "ardour/midi_track.h"
#include "ardour/midi_ui.h"
#include "ardour/operations.h"
PBD::Signal0<void> Session::SuccessfulGraphSort;
PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
+const framecnt_t Session::bounce_chunk_size = 65536;
static void clean_up_session_event (SessionEvent* ev) { delete ev; }
const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
: playlists (new SessionPlaylists)
, _engine (eng)
, process_function (&Session::process_with_events)
+ , _bounce_processing_active (false)
, waiting_for_sync_offset (false)
, _base_frame_rate (0)
, _current_frame_rate (0)
, _speakers (new Speakers)
, _order_hint (0)
, ignore_route_processor_changes (false)
+ , _scene_changer (0)
, _midi_ports (0)
, _mmc (0)
{
/* not strictly necessary, but doing it here allows the shared_ptr debugging to work */
playlists.reset ();
+ delete _scene_changer; _scene_changer = 0;
+
delete _mmc; _mmc = 0;
delete _midi_ports; _midi_ports = 0;
delete _locations; _locations = 0;
}
boost::shared_ptr<AudioFileSource>
-Session::source_by_path_and_channel (const string& path, uint16_t chn) const
+Session::audio_source_by_path_and_channel (const string& path, uint16_t chn) const
{
/* Restricted to audio files because only audio sources have channel
as a property.
}
boost::shared_ptr<MidiSource>
-Session::source_by_path (const std::string& path) const
+Session::midi_source_by_path (const std::string& path) const
{
/* Restricted to MIDI files because audio sources require a channel
for unique identification, in addition to a path.
string possible_path = Glib::build_filename (spath, buf);
- if (source_by_path (possible_path)) {
+ if (audio_source_by_path_and_channel (possible_path, chan)) {
existing++;
break;
}
existing++;
}
- if (source_by_path (possible_path)) {
+ if (midi_source_by_path (possible_path)) {
existing++;
}
}
void
Session::ensure_buffers (ChanCount howmany)
{
- BufferManager::ensure_buffers (howmany);
+ BufferManager::ensure_buffers (howmany, bounce_processing() ? bounce_chunk_size : 0);
}
void
bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
InterThreadInfo& itt,
boost::shared_ptr<Processor> endpoint, bool include_endpoint,
- bool for_export)
+ bool for_export, bool for_freeze)
{
boost::shared_ptr<Region> result;
boost::shared_ptr<Playlist> playlist;
framepos_t position;
framecnt_t this_chunk;
framepos_t to_do;
+ framepos_t latency_skip;
BufferSet buffers;
SessionDirectory sdir(get_best_session_directory_for_new_source ());
const string sound_dir = sdir.sound_path();
return result;
}
- const framecnt_t chunk_size = (256 * 1024)/4;
+ diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
+ include_endpoint, for_export, for_freeze);
+
+ if (diskstream_channels.n_audio() < 1) {
+ error << _("Cannot write a range with no audio.") << endmsg;
+ return result;
+ }
// block all process callback handling
block_processing ();
+ {
+ // synchronize with AudioEngine::process_callback()
+ // make sure processing is not currently running
+ // and processing_blocked() is honored before
+ // acquiring thread buffers
+ Glib::Threads::Mutex::Lock lm (_engine.process_lock());
+ }
+
+ _bounce_processing_active = true;
+
/* call tree *MUST* hold route_lock */
if ((playlist = track.playlist()) == 0) {
*/
need_block_size_reset = true;
- track.set_block_size (chunk_size);
+ track.set_block_size (bounce_chunk_size);
+ _engine.main_thread()->get_buffers ();
position = start;
to_do = len;
+ latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
/* create a set of reasonably-sized buffers */
- buffers.ensure_buffers (DataType::AUDIO, max_proc.n_audio(), chunk_size);
+ for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+ buffers.ensure_buffers(*t, max_proc.get(*t), bounce_chunk_size);
+ }
buffers.set_count (max_proc);
for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
while (to_do && !itt.cancel) {
- this_chunk = min (to_do, chunk_size);
+ this_chunk = min (to_do, bounce_chunk_size);
- if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export)) {
+ if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze)) {
goto out;
}
+ start += this_chunk;
+ to_do -= this_chunk;
+ itt.progress = (float) (1.0 - ((double) to_do / len));
+
+ if (latency_skip >= bounce_chunk_size) {
+ latency_skip -= bounce_chunk_size;
+ continue;
+ }
+
+ const framecnt_t current_chunk = this_chunk - latency_skip;
+
uint32_t n = 0;
for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
if (afs) {
- if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
+ if (afs->write (buffers.get_audio(n).data(latency_skip), current_chunk) != current_chunk) {
goto out;
}
}
}
+ latency_skip = 0;
+ }
- start += this_chunk;
- to_do -= this_chunk;
+ /* post-roll, pick up delayed processor output */
+ latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
- itt.progress = (float) (1.0 - ((double) to_do / len));
+ while (latency_skip && !itt.cancel) {
+ this_chunk = min (latency_skip, bounce_chunk_size);
+ latency_skip -= this_chunk;
+
+ buffers.silence (this_chunk, 0);
+ track.bounce_process (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze);
+ uint32_t n = 0;
+ for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
+
+ if (afs) {
+ if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
+ goto out;
+ }
+ }
+ }
}
if (!itt.cancel) {
}
}
+ _bounce_processing_active = false;
if (need_block_size_reset) {
+ _engine.main_thread()->drop_buffers ();
track.set_block_size (get_block_size());
}
projects / ardour.git / blobdiff