#include "pbd/debug.h"
#include "pbd/error.h"
-#include "pbd/i18n.h"
#include "ardour/audioplaylist.h"
#include "ardour/butler.h"
#include "ardour/session.h"
#include "ardour/session_playlists.h"
+#include "pbd/i18n.h"
+
using namespace ARDOUR;
using namespace PBD;
using namespace std;
: Processor (s, str)
, _flags (f)
, i_am_the_modifier (false)
- , _buffer_reallocation_required (false)
- , _seek_required (false)
, _slaved (false)
- , loop_location (0)
, in_set_state (false)
- , file_frame (0)
- , playback_sample (0)
- , wrap_buffer_size (0)
- , speed_buffer_size (0)
+ , playback_sample (0)
, _need_butler (false)
, channels (new ChannelList)
- , _midi_buf (new MidiRingBuffer<framepos_t> (s.butler()->midi_diskstream_buffer_size()))
- , _frames_written_to_ringbuffer (0)
- , _frames_read_from_ringbuffer (0)
+ , _midi_buf (new MidiRingBuffer<samplepos_t> (s.butler()->midi_diskstream_buffer_size()))
+ , _samples_written_to_ringbuffer (0)
+ , _samples_read_from_ringbuffer (0)
{
- midi_interpolation.add_channel_to (0,0);
+ set_display_to_user (false);
+}
+
+DiskIOProcessor::~DiskIOProcessor ()
+{
+ {
+ RCUWriter<ChannelList> writer (channels);
+ boost::shared_ptr<ChannelList> c = writer.get_copy();
+
+ for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
+ delete *chan;
+ }
+
+ c->clear();
+ }
+
+ channels.flush ();
}
+
void
DiskIOProcessor::init ()
{
void
DiskIOProcessor::set_buffering_parameters (BufferingPreset bp)
{
- framecnt_t read_chunk_size;
- framecnt_t read_buffer_size;
- framecnt_t write_chunk_size;
- framecnt_t write_buffer_size;
+ samplecnt_t read_chunk_size;
+ samplecnt_t read_buffer_size;
+ samplecnt_t write_chunk_size;
+ samplecnt_t write_buffer_size;
if (!get_buffering_presets (bp, read_chunk_size, read_buffer_size, write_chunk_size, write_buffer_size)) {
return;
}
- DiskReader::set_chunk_frames (read_chunk_size);
- DiskWriter::set_chunk_frames (write_chunk_size);
+ DiskReader::set_chunk_samples (read_chunk_size);
+ DiskWriter::set_chunk_samples (write_chunk_size);
Config->set_audio_capture_buffer_seconds (write_buffer_size);
Config->set_audio_playback_buffer_seconds (read_buffer_size);
bool
DiskIOProcessor::get_buffering_presets (BufferingPreset bp,
- framecnt_t& read_chunk_size,
- framecnt_t& read_buffer_size,
- framecnt_t& write_chunk_size,
- framecnt_t& write_buffer_size)
+ samplecnt_t& read_chunk_size,
+ samplecnt_t& read_buffer_size,
+ samplecnt_t& write_chunk_size,
+ samplecnt_t& write_buffer_size)
{
switch (bp) {
case Small:
return false;
}
- if (in != out) {
- /* currently no way to deliver different channels that we receive */
- return false;
- }
+ /* currently no way to deliver different channels that we receive */
+ out = in;
return true;
}
{
DEBUG_TRACE (DEBUG::DiskIO, string_compose ("Configuring %1 for in:%2 out:%3\n", name(), in, out));
- RCUWriter<ChannelList> writer (channels);
- boost::shared_ptr<ChannelList> c = writer.get_copy();
+ bool changed = false;
- uint32_t n_audio = in.n_audio();
+ {
+ RCUWriter<ChannelList> writer (channels);
+ boost::shared_ptr<ChannelList> c = writer.get_copy();
- if (n_audio > c->size()) {
- add_channel_to (c, n_audio - c->size());
- } else if (n_audio < c->size()) {
- remove_channel_from (c, c->size() - n_audio);
+ uint32_t n_audio = in.n_audio();
+
+ if (n_audio > c->size()) {
+ add_channel_to (c, n_audio - c->size());
+ changed = true;
+ } else if (n_audio < c->size()) {
+ remove_channel_from (c, c->size() - n_audio);
+ changed = true;
+ }
+
+ /* writer leaves scope, actual channel list is updated */
}
if (in.n_midi() > 0 && !_midi_buf) {
const size_t size = _session.butler()->midi_diskstream_buffer_size();
- _midi_buf = new MidiRingBuffer<framepos_t>(size);
- midi_interpolation.add_channel_to (0,0);
+ _midi_buf = new MidiRingBuffer<samplepos_t>(size);
+ changed = true;
}
- seek (_session.transport_frame());
+ if (changed) {
+ seek (_session.transport_sample());
+ }
return Processor::configure_io (in, out);
}
return 0;
}
-int
-DiskIOProcessor::set_loop (Location *location)
-{
- if (location) {
- if (location->start() >= location->end()) {
- error << string_compose(_("Location \"%1\" not valid for track loop (start >= end)"), location->name()) << endl;
- return -1;
- }
- }
-
- loop_location = location;
-
- LoopSet (location); /* EMIT SIGNAL */
- return 0;
-}
-
void
-DiskIOProcessor::non_realtime_locate (framepos_t location)
+DiskIOProcessor::non_realtime_locate (samplepos_t location)
{
/* now refill channel buffers */
seek (location, true);
}
-void
-DiskIOProcessor::non_realtime_speed_change ()
-{
- if (_buffer_reallocation_required) {
- _buffer_reallocation_required = false;
- }
-
- if (_seek_required) {
- seek (_session.transport_frame(), true);
- _seek_required = false;
- }
-}
-
-bool
-DiskIOProcessor::realtime_speed_change ()
-{
- const framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() * fabs (_session.transport_speed())) + 2;
- bool _buffer_reallocation_required;
-
- if (required_wrap_size > wrap_buffer_size) {
- _buffer_reallocation_required = true;
- } else {
- _buffer_reallocation_required = false;
- }
-
- return _buffer_reallocation_required;
-}
-
int
DiskIOProcessor::set_state (const XMLNode& node, int version)
{
return 0;
}
-int
-DiskIOProcessor::add_channel_to (boost::shared_ptr<ChannelList> c, uint32_t how_many)
-{
- while (how_many--) {
- c->push_back (new ChannelInfo (_session.butler()->audio_diskstream_playback_buffer_size()));
- interpolation.add_channel_to (_session.butler()->audio_diskstream_playback_buffer_size(), speed_buffer_size);
- DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: new channel, write space = %2 read = %3\n",
- name(),
- c->back()->buf->write_space(),
- c->back()->buf->read_space()));
- }
-
- return 0;
-}
-
int
DiskIOProcessor::add_channel (uint32_t how_many)
{
while (how_many-- && !c->empty()) {
delete c->back();
c->pop_back();
- interpolation.remove_channel_from ();
}
return 0;
int
DiskIOProcessor::use_playlist (DataType dt, boost::shared_ptr<Playlist> playlist)
{
- if (!playlist) {
- return 0;
- }
-
- DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: set to use playlist %2 (%3)\n", name(), playlist->name(), dt.to_string()));
+ if (!playlist) {
+ return 0;
+ }
- if (playlist == _playlists[dt]) {
- return 0;
- }
+ DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: set to use playlist %2 (%3)\n", name(), playlist->name(), dt.to_string()));
- playlist_connections.drop_connections ();
+ if (playlist == _playlists[dt]) {
+ DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: already using that playlist\n", name()));
+ return 0;
+ }
- if (_playlists[dt]) {
- _playlists[dt]->release();
- }
+ playlist_connections.drop_connections ();
- _playlists[dt] = playlist;
- playlist->use();
+ if (_playlists[dt]) {
+ _playlists[dt]->release();
+ }
- playlist->ContentsChanged.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_modified, this));
- playlist->LayeringChanged.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_modified, this));
- playlist->DropReferences.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_deleted, this, boost::weak_ptr<Playlist>(playlist)));
- playlist->RangesMoved.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_ranges_moved, this, _1, _2));
+ _playlists[dt] = playlist;
+ playlist->use();
- DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1 now use playlist %1 (%2)\n", name(), playlist->name(), playlist->id()));
+ playlist->ContentsChanged.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_modified, this));
+ playlist->LayeringChanged.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_modified, this));
+ playlist->DropReferences.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_deleted, this, boost::weak_ptr<Playlist>(playlist)));
+ playlist->RangesMoved.connect_same_thread (playlist_connections, boost::bind (&DiskIOProcessor::playlist_ranges_moved, this, _1, _2));
- PlaylistChanged (dt); /* EMIT SIGNAL */
- _session.set_dirty ();
+ DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1 now using playlist %1 (%2)\n", name(), playlist->name(), playlist->id()));
return 0;
}
-DiskIOProcessor::ChannelInfo::ChannelInfo (framecnt_t bufsize)
-{
- buf = new RingBufferNPT<Sample> (bufsize);
-
- /* touch the ringbuffer buffer, which will cause
- them to be mapped into locked physical RAM if
- we're running with mlockall(). this doesn't do
- much if we're not.
- */
-
- memset (buf->buffer(), 0, sizeof (Sample) * buf->bufsize());
- capture_transition_buf = new RingBufferNPT<CaptureTransition> (256);
-}
-
-void
-DiskIOProcessor::ChannelInfo::resize (framecnt_t bufsize)
+DiskIOProcessor::ChannelInfo::ChannelInfo (samplecnt_t bufsize)
+ : rbuf (0)
+ , wbuf (0)
+ , capture_transition_buf (0)
+ , curr_capture_cnt (0)
{
- delete buf;
- buf = new RingBufferNPT<Sample> (bufsize);
- memset (buf->buffer(), 0, sizeof (Sample) * buf->bufsize());
}
DiskIOProcessor::ChannelInfo::~ChannelInfo ()
{
- delete buf;
- buf = 0;
-
+ delete rbuf;
+ delete wbuf;
delete capture_transition_buf;
+ rbuf = 0;
+ wbuf = 0;
capture_transition_buf = 0;
}
+void
+DiskIOProcessor::drop_route ()
+{
+ _route.reset ();
+}
+
void
DiskIOProcessor::set_route (boost::shared_ptr<Route> r)
{
_route = r;
+
+ if (_route) {
+ _route->DropReferences.connect_same_thread (*this, boost::bind (&DiskIOProcessor::drop_route, this));
+ }
}
/** Get the start, end, and length of a location "atomically".
*/
void
DiskIOProcessor::get_location_times(const Location* location,
- framepos_t* start,
- framepos_t* end,
- framepos_t* length)
+ samplepos_t* start,
+ samplepos_t* end,
+ samplepos_t* length)
{
if (location) {
*start = location->start();
*length = *end - *start;
}
}
+
projects / ardour.git / blobdiff