-<?xml version="1.0"?>
+?xml version="1.0"?>
<Ardour>
<MIDI-port tag="%MIDITAG%" device="ardour" type="%MIDITYPE%" mode="duplex"/>
<MIDI-port tag="control" device="ardour" type="%MIDITYPE%" mode="duplex"/>
<Option name="quieten-at-speed" value="1.000000"/>
<Option name="use-vst" value="yes"/>
<Option name="use-tranzport" value="yes"/>
+ <Option name="destructive-xfade-msecs" value="500"/>
</Config>
<extra>
<Keyboard edit-button="3" edit-modifier="4" delete-button="3" delete-modifier="1" snap-modifier="32"/>
float val = destructo_xfade_adjustment.get_value();
/* val is in msecs */
+
Config->set_destructive_xfade_msecs ((uint32_t) floor (val));
+ cerr << "set destructo fade to " << Config->get_destructive_xfade_msecs () << endl;
+
if (session) {
SndFileSource::setup_standard_crossfades (session->frame_rate());
}
curve.cc
cycle_timer.cc
default_click.cc
-destructive_filesource.cc
gain.cc
gdither.cc
globals.cc
XMLNode& get_state ();
int set_state (const XMLNode&);
+ bool destructive() const { return (_flags & Destructive); }
+ virtual bool set_destructive (bool yn) { return false; }
+
/* this should really be protected, but C++ is getting stricter
and creating slots from protected member functions is starting
to cause issues.
/* constructor to be called for new in-session files */
SndFileSource (Session&, std::string path, SampleFormat samp_format, HeaderFormat hdr_format, nframes_t rate,
- Flag flags = AudioFileSource::Flag (AudioFileSource::Writable|
- AudioFileSource::Removable|
- AudioFileSource::RemovableIfEmpty|
- AudioFileSource::CanRename));
+ Flag flags = SndFileSource::default_writable_flags);
/* constructor to be called for existing in-session files */
nframes_t natural_position () const;
+ nframes_t last_capture_start_frame() const;
+ void mark_capture_start (nframes_t);
+ void mark_capture_end ();
+ void clear_capture_marks();
+
+ bool set_destructive (bool yn);
+
+ static void setup_standard_crossfades (nframes_t sample_rate);
+ static const AudioFileSource::Flag default_writable_flags;
+
protected:
void set_header_timeline_position ();
int open();
void close();
int setup_broadcast_info (nframes_t when, struct tm&, time_t);
+
+ /* destructive */
+
+ static nframes_t xfade_frames;
+ static gain_t* out_coefficient;
+ static gain_t* in_coefficient;
+
+ bool _capture_start;
+ bool _capture_end;
+ nframes_t capture_start_frame;
+ nframes_t file_pos; // unit is frames
+ Sample* xfade_buf;
+
+ nframes_t crossfade (Sample* data, nframes_t cnt, int dir);
+ void set_timeline_position (nframes_t);
+ nframes_t destructive_write_unlocked (Sample *dst, nframes_t cnt);
+ nframes_t nondestructive_write_unlocked (Sample *dst, nframes_t cnt);
+ void handle_header_position_change ();
};
} // namespace ARDOUR
_is_embedded = false;
}
+ if ((prop = node.property (X_("destructive"))) != 0) {
+ /* old style, from the period when we had DestructiveFileSource */
+ _flags = Flag (_flags | Destructive);
+ }
+
return 0;
}
bool
AudioRegion::verify_length (nframes_t len)
{
- if (boost::dynamic_pointer_cast<DestructiveFileSource>(source())) {
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
+
+ if (afs && afs->destructive()) {
return true;
}
bool
AudioRegion::verify_start_and_length (nframes_t new_start, nframes_t new_length)
{
- if (boost::dynamic_pointer_cast<DestructiveFileSource>(source())) {
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
+
+ if (afs && afs->destructive()) {
return true;
}
bool
AudioRegion::verify_start (nframes_t pos)
{
- if (boost::dynamic_pointer_cast<DestructiveFileSource>(source())) {
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
+
+ if (afs && afs->destructive()) {
return true;
}
bool
AudioRegion::verify_start_mutable (nframes_t& new_start)
{
- if (boost::dynamic_pointer_cast<DestructiveFileSource>(source())) {
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(source());
+
+ if (afs && afs->destructive()) {
return true;
}
void
AudioRegion::source_offset_changed ()
{
- if (boost::dynamic_pointer_cast<DestructiveFileSource>(sources.front())) {
+ boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(sources.front());
+
+ if (afs && afs->destructive()) {
// set_start (source()->natural_position(), this);
set_position (source()->natural_position(), this);
}
Route::set_automation_interval ((jack_nframes_t) ceil ((double) frames_per_second * 0.25));
// XXX we need some equivalent to this, somehow
- // DestructiveFileSource::setup_standard_crossfades (frames_per_second);
+ // SndFileSource::setup_standard_crossfades (frames_per_second);
set_dirty();
/* default short fade = 15ms */
Crossfade::set_short_xfade_length ((nframes_t) floor (Config->get_short_xfade_seconds() * frame_rate()));
- DestructiveFileSource::setup_standard_crossfades (frame_rate());
+ SndFileSource::setup_standard_crossfades (frame_rate());
last_mmc_step.tv_sec = 0;
last_mmc_step.tv_usec = 0;
boost::shared_ptr<AudioFileSource> fs;
if ((fs = boost::dynamic_pointer_cast<AudioFileSource> (siter->second)) != 0) {
- boost::shared_ptr<DestructiveFileSource> dfs = boost::dynamic_pointer_cast<DestructiveFileSource> (fs);
/* destructive file sources are OK if they are empty, because
we will re-use them every time.
*/
- if (!dfs) {
+ if (!fs->destructive()) {
if (fs->length() == 0) {
continue;
}
#include <ardour/sndfilesource.h>
+#include <ardour/utils.h>
+
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
+gain_t* SndFileSource::out_coefficient = 0;
+gain_t* SndFileSource::in_coefficient = 0;
+nframes_t SndFileSource::xfade_frames = 64;
+const AudioFileSource::Flag SndFileSource::default_writable_flags = AudioFileSource::Flag (AudioFileSource::Writable|
+ AudioFileSource::Removable|
+ AudioFileSource::RemovableIfEmpty|
+ AudioFileSource::CanRename);
+
SndFileSource::SndFileSource (Session& s, const XMLNode& node)
: AudioFileSource (s, node)
{
*/
memset (&_info, 0, sizeof(_info));
+
+ _capture_start = false;
+ _capture_end = false;
+ file_pos = 0;
+
+ if (destructive()) {
+ xfade_buf = new Sample[xfade_frames];
+ timeline_position = header_position_offset;
+ }
+
+ AudioFileSource::HeaderPositionOffsetChanged.connect (mem_fun (*this, &SndFileSource::handle_header_position_change));
}
int
if (_broadcast_info) {
delete _broadcast_info;
}
+
+ if (xfade_buf) {
+ delete [] xfade_buf;
+ }
}
float
nframes_t
SndFileSource::write_unlocked (Sample *data, nframes_t cnt)
+{
+ if (destructive()) {
+ return destructive_write_unlocked (data, cnt);
+ } else {
+ return nondestructive_write_unlocked (data, cnt);
+ }
+}
+
+nframes_t
+SndFileSource::nondestructive_write_unlocked (Sample *data, nframes_t cnt)
{
if (!writable()) {
return 0;
return cnt;
}
+nframes_t
+SndFileSource::destructive_write_unlocked (Sample* data, nframes_t cnt)
+{
+ nframes_t old_file_pos;
+
+ if (!writable()) {
+ return 0;
+ }
+
+ if (_capture_start && _capture_end) {
+
+ /* start and end of capture both occur within the data we are writing,
+ so do both crossfades.
+ */
+
+ _capture_start = false;
+ _capture_end = false;
+
+ /* move to the correct location place */
+ file_pos = capture_start_frame - timeline_position;
+
+ // split cnt in half
+ nframes_t subcnt = cnt / 2;
+ nframes_t ofilepos = file_pos;
+
+ // fade in
+ if (crossfade (data, subcnt, 1) != subcnt) {
+ return 0;
+ }
+
+ file_pos += subcnt;
+ Sample * tmpdata = data + subcnt;
+
+ // fade out
+ subcnt = cnt - subcnt;
+ if (crossfade (tmpdata, subcnt, 0) != subcnt) {
+ return 0;
+ }
+
+ file_pos = ofilepos; // adjusted below
+
+ } else if (_capture_start) {
+
+ /* start of capture both occur within the data we are writing,
+ so do the fade in
+ */
+
+ _capture_start = false;
+ _capture_end = false;
+
+ /* move to the correct location place */
+ file_pos = capture_start_frame - timeline_position;
+
+ if (crossfade (data, cnt, 1) != cnt) {
+ return 0;
+ }
+
+ } else if (_capture_end) {
+
+ /* end of capture both occur within the data we are writing,
+ so do the fade out
+ */
+
+ _capture_start = false;
+ _capture_end = false;
+
+ if (crossfade (data, cnt, 0) != cnt) {
+ return 0;
+ }
+
+ } else {
+
+ /* in the middle of recording */
+
+ if (write_float (data, file_pos, cnt) != cnt) {
+ return 0;
+ }
+ }
+
+ old_file_pos = file_pos;
+ update_length (file_pos, cnt);
+ file_pos += cnt;
+
+ if (_build_peakfiles) {
+ PeakBuildRecord *pbr = 0;
+
+ if (pending_peak_builds.size()) {
+ pbr = pending_peak_builds.back();
+ }
+
+ if (pbr && pbr->frame + pbr->cnt == old_file_pos) {
+
+ /* the last PBR extended to the start of the current write,
+ so just extend it again.
+ */
+
+ pbr->cnt += cnt;
+ } else {
+ pending_peak_builds.push_back (new PeakBuildRecord (old_file_pos, cnt));
+ }
+
+ _peaks_built = false;
+ }
+
+ if (_build_peakfiles) {
+ queue_for_peaks (shared_from_this ());
+ }
+
+ return cnt;
+}
+
int
SndFileSource::update_header (nframes_t when, struct tm& now, time_t tnow)
{
{
return timeline_position;
}
+
+bool
+SndFileSource::set_destructive (bool yn)
+{
+ if (yn) {
+ _flags = Flag (_flags | Destructive);
+ clear_capture_marks ();
+ timeline_position = header_position_offset;
+ } else {
+ _flags = Flag (_flags & ~Destructive);
+ timeline_position = 0;
+ }
+
+ return true;
+}
+
+void
+SndFileSource::clear_capture_marks ()
+{
+ _capture_start = false;
+ _capture_end = false;
+}
+
+void
+SndFileSource::mark_capture_start (nframes_t pos)
+{
+ if (destructive()) {
+ if (pos < timeline_position) {
+ _capture_start = false;
+ } else {
+ _capture_start = true;
+ capture_start_frame = pos;
+ }
+ }
+}
+
+void
+SndFileSource::mark_capture_end()
+{
+ if (destructive()) {
+ _capture_end = true;
+ }
+}
+
+nframes_t
+SndFileSource::crossfade (Sample* data, nframes_t cnt, int fade_in)
+{
+ nframes_t xfade = min (xfade_frames, cnt);
+ nframes_t nofade = cnt - xfade;
+ Sample* fade_data = 0;
+ nframes_t fade_position = 0; // in frames
+ ssize_t retval;
+ nframes_t file_cnt;
+
+ if (fade_in) {
+ fade_position = file_pos;
+ fade_data = data;
+ } else {
+ fade_position = file_pos + nofade;
+ fade_data = data + nofade;
+ }
+
+ if (fade_position > _length) {
+
+ /* read starts beyond end of data, just memset to zero */
+
+ file_cnt = 0;
+
+ } else if (fade_position + xfade > _length) {
+
+ /* read ends beyond end of data, read some, memset the rest */
+
+ file_cnt = _length - fade_position;
+
+ } else {
+
+ /* read is entirely within data */
+
+ file_cnt = xfade;
+ }
+
+ if (file_cnt) {
+
+ if ((retval = read_unlocked (xfade_buf, fade_position, file_cnt)) != (ssize_t) file_cnt) {
+ if (retval >= 0 && errno == EAGAIN) {
+ /* XXX - can we really trust that errno is meaningful here? yes POSIX, i'm talking to you.
+ * short or no data there */
+ memset (xfade_buf, 0, xfade * sizeof(Sample));
+ } else {
+ error << string_compose(_("SndFileSource: \"%1\" bad read retval: %2 of %5 (%3: %4)"), _path, retval, errno, strerror (errno), xfade) << endmsg;
+ return 0;
+ }
+ }
+ }
+
+ if (file_cnt != xfade) {
+ nframes_t delta = xfade - file_cnt;
+ memset (xfade_buf+file_cnt, 0, sizeof (Sample) * delta);
+ }
+
+ if (nofade && !fade_in) {
+ if (write_float (data, file_pos, nofade) != nofade) {
+ error << string_compose(_("SndFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg;
+ return 0;
+ }
+ }
+
+ if (xfade == xfade_frames) {
+
+ nframes_t n;
+
+ /* use the standard xfade curve */
+
+ if (fade_in) {
+
+ /* fade new material in */
+
+ for (n = 0; n < xfade; ++n) {
+ xfade_buf[n] = (xfade_buf[n] * out_coefficient[n]) + (fade_data[n] * in_coefficient[n]);
+ }
+
+ } else {
+
+
+ /* fade new material out */
+
+ for (n = 0; n < xfade; ++n) {
+ xfade_buf[n] = (xfade_buf[n] * in_coefficient[n]) + (fade_data[n] * out_coefficient[n]);
+ }
+ }
+
+ } else if (xfade) {
+
+ gain_t in[xfade];
+ gain_t out[xfade];
+
+ /* short xfade, compute custom curve */
+
+ compute_equal_power_fades (xfade, in, out);
+
+ for (nframes_t n = 0; n < xfade; ++n) {
+ xfade_buf[n] = (xfade_buf[n] * out[n]) + (fade_data[n] * in[n]);
+ }
+ }
+
+ if (xfade) {
+ if (write_float (xfade_buf, fade_position, xfade) != xfade) {
+ error << string_compose(_("SndFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg;
+ return 0;
+ }
+ }
+
+ if (fade_in && nofade) {
+ if (write_float (data + xfade, file_pos + xfade, nofade) != nofade) {
+ error << string_compose(_("SndFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg;
+ return 0;
+ }
+ }
+
+ return cnt;
+}
+
+nframes_t
+SndFileSource::last_capture_start_frame () const
+{
+ return capture_start_frame;
+}
+
+void
+SndFileSource::handle_header_position_change ()
+{
+ if (destructive()) {
+ if ( _length != 0 ) {
+ error << string_compose(_("Filesource: start time is already set for existing file (%1): Cannot change start time."), _path ) << endmsg;
+ //in the future, pop up a dialog here that allows user to regenerate file with new start offset
+ } else if (writable()) {
+ timeline_position = header_position_offset;
+ set_header_timeline_position (); //this will get flushed if/when the file is recorded to
+ }
+ }
+}
+
+void
+SndFileSource::setup_standard_crossfades (nframes_t rate)
+{
+ /* This static method is assumed to have been called by the Session
+ before any DFS's are created.
+ */
+
+ xfade_frames = (nframes_t) floor ((Config->get_destructive_xfade_msecs () / 1000.0) * rate);
+
+ cerr << "based on " << Config->get_destructive_xfade_msecs() << " msecs, xfade_frames = " << xfade_frames << endl;
+
+ if (out_coefficient) {
+ delete [] out_coefficient;
+ }
+
+ if (in_coefficient) {
+ delete [] in_coefficient;
+ }
+
+ out_coefficient = new gain_t[xfade_frames];
+ in_coefficient = new gain_t[xfade_frames];
+
+ compute_equal_power_fades (xfade_frames, in_coefficient, out_coefficient);
+}
+
+void
+SndFileSource::set_timeline_position (nframes_t pos)
+{
+ // destructive track timeline postion does not change
+ // except at instantion or when header_position_offset
+ // (session start) changes
+
+ if (!destructive()) {
+ AudioFileSource::set_timeline_position (pos);
+ }
+}
boost::shared_ptr<Source>
SourceFactory::create (Session& s, const XMLNode& node)
{
- if (node.property (X_("destructive")) != 0) {
-
- boost::shared_ptr<Source> ret (new DestructiveFileSource (s, node));
+ try {
+ boost::shared_ptr<Source> ret (new CoreAudioSource (s, node));
if (setup_peakfile (ret)) {
return boost::shared_ptr<Source>();
}
SourceCreated (ret);
return ret;
-
- } else {
-
- try {
- boost::shared_ptr<Source> ret (new CoreAudioSource (s, node));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
- }
- SourceCreated (ret);
- return ret;
- }
-
-
- catch (failed_constructor& err) {
- boost::shared_ptr<Source> ret (new SndFileSource (s, node));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
- }
- SourceCreated (ret);
- return ret;
+ }
+
+
+ catch (failed_constructor& err) {
+ boost::shared_ptr<Source> ret (new SndFileSource (s, node));
+ if (setup_peakfile (ret)) {
+ return boost::shared_ptr<Source>();
}
+ SourceCreated (ret);
+ return ret;
}
-
+
return boost::shared_ptr<Source>();
}
boost::shared_ptr<Source>
SourceFactory::create (Session& s, const XMLNode& node)
{
- if (node.property (X_("destructive")) != 0) {
-
- boost::shared_ptr<Source> ret (new DestructiveFileSource (s, node));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
- }
- SourceCreated (ret);
- return ret;
-
- } else {
-
- boost::shared_ptr<Source> ret (new SndFileSource (s, node));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
- }
- SourceCreated (ret);
- return ret;
+ boost::shared_ptr<Source> ret (new SndFileSource (s, node));
+ if (setup_peakfile (ret)) {
+ return boost::shared_ptr<Source>();
}
+ SourceCreated (ret);
+ return ret;
}
#endif // HAVE_COREAUDIO
boost::shared_ptr<Source>
SourceFactory::createReadable (Session& s, string idstr, AudioFileSource::Flag flags, bool announce)
{
- if (flags & Destructive) {
- boost::shared_ptr<Source> ret (new DestructiveFileSource (s, idstr, flags));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
- }
- if (announce) {
- SourceCreated (ret);
- }
- return ret;
- }
+ if (!(flags & Destructive)) {
- try {
- boost::shared_ptr<Source> ret (new CoreAudioSource (s, idstr, flags));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
+ try {
+ boost::shared_ptr<Source> ret (new CoreAudioSource (s, idstr, flags));
+ if (setup_peakfile (ret)) {
+ return boost::shared_ptr<Source>();
+ }
+ if (announce) {
+ SourceCreated (ret);
+ }
+ return ret;
}
- if (announce) {
- SourceCreated (ret);
+
+ catch (failed_constructor& err) {
+ boost::shared_ptr<Source> ret (new SndFileSource (s, idstr, flags));
+ if (setup_peakfile (ret)) {
+ return boost::shared_ptr<Source>();
+ }
+ if (announce) {
+ SourceCreated (ret);
+ }
+ return ret;
}
- return ret;
- }
- catch (failed_constructor& err) {
- boost::shared_ptr<Source> ret (new SndFileSource (s, idstr, flags));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
- }
- if (announce) {
- SourceCreated (ret);
+ } else {
+
+ catch (failed_constructor& err) {
+ boost::shared_ptr<Source> ret (new SndFileSource (s, idstr, flags));
+ if (setup_peakfile (ret)) {
+ return boost::shared_ptr<Source>();
+ }
+ if (announce) {
+ SourceCreated (ret);
+ }
+ return ret;
}
- return ret;
}
return boost::shared_ptr<Source>();
{
/* this might throw failed_constructor(), which is OK */
- if (destructive) {
- boost::shared_ptr<Source> ret (new DestructiveFileSource (s, path,
- Config->get_native_file_data_format(),
- Config->get_native_file_header_format(),
- rate));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
- }
- if (announce) {
- SourceCreated (ret);
- }
- return ret;
-
- } else {
- boost::shared_ptr<Source> ret (new SndFileSource (s, path,
- Config->get_native_file_data_format(),
- Config->get_native_file_header_format(),
- rate));
- if (setup_peakfile (ret)) {
- return boost::shared_ptr<Source>();
- }
- if (announce) {
- SourceCreated (ret);
- }
- return ret;
+ boost::shared_ptr<Source> ret (new SndFileSource
+ (s, path,
+ Config->get_native_file_data_format(),
+ Config->get_native_file_header_format(),
+ rate,
+ (destructive ? SndFileSource::default_writable_flags :
+ AudioFileSource::Flag
+ (SndFileSource::default_writable_flags | AudioFileSource::Destructive))));
+
+ if (setup_peakfile (ret)) {
+ return boost::shared_ptr<Source>();
+ }
+ if (announce) {
+ SourceCreated (ret);
}
+ return ret;
}
projects / ardour.git / commitdiff