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Diffstat (limited to 'libs/ardour/destructive_filesource.cc')
-rw-r--r--libs/ardour/destructive_filesource.cc189
1 files changed, 95 insertions, 94 deletions
diff --git a/libs/ardour/destructive_filesource.cc b/libs/ardour/destructive_filesource.cc
index 9a4c2425e9..00fabba445 100644
--- a/libs/ardour/destructive_filesource.cc
+++ b/libs/ardour/destructive_filesource.cc
@@ -66,13 +66,9 @@ gain_t* DestructiveFileSource::out_coefficient = 0;
gain_t* DestructiveFileSource::in_coefficient = 0;
jack_nframes_t DestructiveFileSource::xfade_frames = 64;
-DestructiveFileSource::DestructiveFileSource (string path, jack_nframes_t rate, bool repair_first, SampleFormat samp_format)
- : FileSource (path, rate, repair_first, samp_format)
+DestructiveFileSource::DestructiveFileSource (string path, SampleFormat samp_format, HeaderFormat hdr_format, jack_nframes_t rate, Flag flags)
+ : SndFileSource (path, samp_format, hdr_format, rate, flags)
{
- if (out_coefficient == 0) {
- setup_standard_crossfades (rate);
- }
-
xfade_buf = new Sample[xfade_frames];
_capture_start = false;
@@ -80,13 +76,9 @@ DestructiveFileSource::DestructiveFileSource (string path, jack_nframes_t rate,
file_pos = 0;
}
-DestructiveFileSource::DestructiveFileSource (const XMLNode& node, jack_nframes_t rate)
- : FileSource (node, rate)
+DestructiveFileSource::DestructiveFileSource (const XMLNode& node)
+ : SndFileSource (node)
{
- if (out_coefficient == 0) {
- setup_standard_crossfades (rate);
- }
-
xfade_buf = new Sample[xfade_frames];
_capture_start = false;
@@ -102,6 +94,10 @@ DestructiveFileSource::~DestructiveFileSource()
void
DestructiveFileSource::setup_standard_crossfades (jack_nframes_t rate)
{
+ /* This static method is assumed to have been called by the Session
+ before any DFS's are created.
+ */
+
xfade_frames = (jack_nframes_t) floor ((Config->get_destructive_xfade_msecs () / 1000.0) * rate);
if (out_coefficient) {
@@ -124,12 +120,6 @@ DestructiveFileSource::setup_standard_crossfades (jack_nframes_t rate)
}
}
-int
-DestructiveFileSource::seek (jack_nframes_t frame)
-{
- return 0;
-}
-
void
DestructiveFileSource::mark_capture_start (jack_nframes_t pos)
{
@@ -188,7 +178,7 @@ DestructiveFileSource::crossfade (Sample* data, jack_nframes_t cnt, int fade_in,
}
if (file_cnt) {
- if ((retval = file_read (xfade_buf, fade_position, file_cnt, workbuf)) != (ssize_t) file_cnt) {
+ if ((retval = write_float (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 */
@@ -206,7 +196,7 @@ DestructiveFileSource::crossfade (Sample* data, jack_nframes_t cnt, int fade_in,
}
if (nofade && !fade_in) {
- if (file_write (data, file_pos, nofade, workbuf) != (ssize_t) nofade) {
+ if (write_float (data, file_pos, nofade) != nofade) {
error << string_compose(_("DestructiveFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg;
return 0;
}
@@ -248,14 +238,14 @@ DestructiveFileSource::crossfade (Sample* data, jack_nframes_t cnt, int fade_in,
}
if (xfade) {
- if (file_write (xfade_buf, fade_position, xfade, workbuf) != (ssize_t) xfade) {
+ if (write_float (xfade_buf, fade_position, xfade) != xfade) {
error << string_compose(_("DestructiveFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg;
return 0;
}
}
if (fade_in && nofade) {
- if (file_write (data + xfade, file_pos + xfade, nofade, workbuf) != (ssize_t) nofade) {
+ if (write_float (data + xfade, file_pos + xfade, nofade) != nofade) {
error << string_compose(_("DestructiveFileSource: \"%1\" bad write (%2)"), _path, strerror (errno)) << endmsg;
return 0;
}
@@ -265,96 +255,100 @@ DestructiveFileSource::crossfade (Sample* data, jack_nframes_t cnt, int fade_in,
}
jack_nframes_t
-DestructiveFileSource::write (Sample* data, jack_nframes_t cnt, char * workbuf)
+DestructiveFileSource::write_unlocked (Sample* data, jack_nframes_t start, jack_nframes_t cnt, char * workbuf)
{
- {
- Glib::Mutex::Lock lm (_lock);
-
- jack_nframes_t old_file_pos;
+ jack_nframes_t old_file_pos;
- if (_capture_start && _capture_end) {
- _capture_start = false;
- _capture_end = false;
-
- /* move to the correct location place */
- file_pos = capture_start_frame;
-
- // split cnt in half
- jack_nframes_t subcnt = cnt / 2;
- jack_nframes_t ofilepos = file_pos;
-
- // fade in
- if (crossfade (data, subcnt, 1, workbuf) != subcnt) {
- return 0;
- }
+ if (!writable()) {
+ return 0;
+ }
- file_pos += subcnt;
- Sample * tmpdata = data + subcnt;
-
- // fade out
- subcnt = cnt - subcnt;
- if (crossfade (tmpdata, subcnt, 0, workbuf) != subcnt) {
- return 0;
- }
+ if (_capture_start && _capture_end) {
+ _capture_start = false;
+ _capture_end = false;
+
+ /* move to the correct location place */
+ file_pos = capture_start_frame;
+
+ // split cnt in half
+ jack_nframes_t subcnt = cnt / 2;
+ jack_nframes_t ofilepos = file_pos;
+
+ // fade in
+ if (crossfade (data, subcnt, 1, workbuf) != subcnt) {
+ return 0;
+ }
+
+ file_pos += subcnt;
+ Sample * tmpdata = data + subcnt;
+
+ // fade out
+ subcnt = cnt - subcnt;
+ if (crossfade (tmpdata, subcnt, 0, workbuf) != subcnt) {
+ return 0;
+ }
+
+ file_pos = ofilepos; // adjusted below
+ }
+ else if (_capture_start) {
- file_pos = ofilepos; // adjusted below
+ _capture_start = false;
+ _capture_end = false;
+
+ /* move to the correct location place */
+ file_pos = capture_start_frame;
+
+ if (crossfade (data, cnt, 1, workbuf) != cnt) {
+ return 0;
}
- else if (_capture_start) {
- _capture_start = false;
- _capture_end = false;
+
+ } else if (_capture_end) {
- /* move to the correct location place */
- file_pos = capture_start_frame;
-
- if (crossfade (data, cnt, 1, workbuf) != cnt) {
- return 0;
- }
+ _capture_start = false;
+ _capture_end = false;
+
+ if (crossfade (data, cnt, 0, workbuf) != cnt) {
+ return 0;
+ }
- } else if (_capture_end) {
- _capture_start = false;
- _capture_end = false;
+ } else {
- if (crossfade (data, cnt, 0, workbuf) != cnt) {
- return 0;
- }
- } else {
- if (file_write(data, file_pos, cnt, workbuf) != (ssize_t) cnt) {
- return 0;
- }
+ if (write_float (data, file_pos, cnt) != cnt) {
+ return 0;
}
-
- old_file_pos = file_pos;
- if (file_pos + cnt > _length) {
- _length = file_pos + cnt;
+ }
+
+ old_file_pos = file_pos;
+ if (file_pos + cnt > _length) {
+ _length = file_pos + cnt;
+ }
+ file_pos += cnt;
+
+ if (_build_peakfiles) {
+ PeakBuildRecord *pbr = 0;
+
+ if (pending_peak_builds.size()) {
+ pbr = pending_peak_builds.back();
}
- 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) {
- 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));
- }
+ /* the last PBR extended to the start of the current write,
+ so just extend it again.
+ */
- _peaks_built = false;
+ pbr->cnt += cnt;
+ } else {
+ pending_peak_builds.push_back (new PeakBuildRecord (old_file_pos, cnt));
}
+
+ _peaks_built = false;
}
if (_build_peakfiles) {
queue_for_peaks (*this);
}
-
+
return cnt;
}
@@ -367,7 +361,14 @@ DestructiveFileSource::last_capture_start_frame () const
XMLNode&
DestructiveFileSource::get_state ()
{
- XMLNode& node = FileSource::get_state ();
+ XMLNode& node = AudioFileSource::get_state ();
node.add_property (X_("destructive"), "true");
return node;
}
+
+void
+DestructiveFileSource::set_timeline_position (jack_nframes_t pos)
+{
+ /* destructive tracks always start at where our reference frame zero is */
+ timeline_position = 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-17 03:18:02 +0000