#include <pwd.h>
#include <sys/utsname.h>
+#include <sys/stat.h>
#include <glibmm/miscutils.h>
#include <ardour/sndfilesource.h>
+#include <ardour/sndfile_helpers.h>
+#include <ardour/utils.h>
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
-SndFileSource::SndFileSource (const XMLNode& node)
- : AudioFileSource (node)
+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)
{
init (_name);
if (open()) {
throw failed_constructor ();
}
-
- if (_build_peakfiles) {
- if (initialize_peakfile (false, _path)) {
- sf_close (sf);
- sf = 0;
- throw failed_constructor ();
- }
- }
-
- AudioSourceCreated (this); /* EMIT SIGNAL */
}
-SndFileSource::SndFileSource (string idstr, Flag flags)
+SndFileSource::SndFileSource (Session& s, string idstr, Flag flags)
/* files created this way are never writable or removable */
- : AudioFileSource (idstr, Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy)))
+ : AudioFileSource (s, idstr, Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy)))
{
init (idstr);
if (open()) {
throw failed_constructor ();
}
-
- if (!(_flags & NoPeakFile) && _build_peakfiles) {
- if (initialize_peakfile (false, _path)) {
- sf_close (sf);
- sf = 0;
- throw failed_constructor ();
- }
- }
-
-
- AudioSourceCreated (this); /* EMIT SIGNAL */
}
-SndFileSource::SndFileSource (string idstr, SampleFormat sfmt, HeaderFormat hf, jack_nframes_t rate, Flag flags)
- : AudioFileSource(idstr, flags, sfmt, hf)
+SndFileSource::SndFileSource (Session& s, string idstr, SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
+ : AudioFileSource (s, idstr, flags, sfmt, hf)
{
int fmt = 0;
init (idstr);
+ /* this constructor is used to construct new files, not open
+ existing ones.
+ */
+
+ file_is_new = true;
+
switch (hf) {
case CAF:
fmt = SF_FORMAT_CAF;
utsinfo.version);
_broadcast_info->version = 1;
+ _broadcast_info->time_reference_low = 0;
+ _broadcast_info->time_reference_high = 0;
/* XXX do something about this field */
}
}
-
- if (!(_flags & NoPeakFile) && _build_peakfiles) {
- if (initialize_peakfile (true, _path)) {
- sf_close (sf);
- sf = 0;
- throw failed_constructor ();
- }
- }
-
- AudioSourceCreated (this); /* EMIT SIGNAL */
}
void
-SndFileSource::init (const string& idstr)
+SndFileSource::init (string idstr)
{
string::size_type pos;
string file;
+ // lets try to keep the object initalizations here at the top
+ xfade_buf = 0;
interleave_buf = 0;
interleave_bufsize = 0;
sf = 0;
_broadcast_info = 0;
+ string tmp_name;
+
if ((pos = idstr.find_last_of (':')) == string::npos) {
channel = 0;
- _name = Glib::path_get_basename (idstr);
+ tmp_name = idstr;
} else {
channel = atoi (idstr.substr (pos+1).c_str());
- _name = Glib::path_get_basename (idstr.substr (0, pos));
+ tmp_name = idstr.substr (0, pos);
+ }
+
+ if (is_embedded()) {
+ _name = tmp_name;
+ } else {
+ _name = Glib::path_get_basename (tmp_name);
}
/* although libsndfile says we don't need to set this,
*/
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
_length = _info.frames;
-
- _broadcast_info = (SF_BROADCAST_INFO*) calloc (1, sizeof (SF_BROADCAST_INFO));
-
- /* lookup broadcast info */
+ _broadcast_info = new SF_BROADCAST_INFO;
+ memset (_broadcast_info, 0, sizeof (*_broadcast_info));
- if (sf_command (sf, SFC_GET_BROADCAST_INFO, _broadcast_info, sizeof (*_broadcast_info)) != SF_TRUE) {
-
- /* if the file has data but no broadcast info, then clearly, there is no broadcast info */
-
- if (_length) {
- free (_broadcast_info);
- _broadcast_info = 0;
- _flags = Flag (_flags & ~Broadcast);
- }
+ bool timecode_info_exists;
- set_timeline_position (0);
+ set_timeline_position (get_timecode_info (sf, _broadcast_info, timecode_info_exists));
- } else {
-
- /* XXX 64 bit alert: when JACK switches to a 64 bit frame count, this needs to use the high bits
- of the time reference.
- */
-
- set_timeline_position (_broadcast_info->time_reference_low);
+ if (!timecode_info_exists) {
+ delete _broadcast_info;
+ _broadcast_info = 0;
+ _flags = Flag (_flags & ~Broadcast);
}
if (writable()) {
sf_command (sf, SFC_SET_UPDATE_HEADER_AUTO, 0, SF_FALSE);
-
- /* update header if header offset info changes */
-
- AudioFileSource::HeaderPositionOffsetChanged.connect (mem_fun (*this, &AudioFileSource::handle_header_position_change));
}
return 0;
SndFileSource::~SndFileSource ()
{
- GoingAway (this); /* EMIT SIGNAL */
+ GoingAway (); /* EMIT SIGNAL */
if (sf) {
sf_close (sf);
sf = 0;
+
+ /* stupid libsndfile updated the headers on close,
+ so touch the peakfile if it exists and has data
+ to make sure its time is as new as the audio
+ file.
+ */
+
+ touch_peakfile ();
}
if (interleave_buf) {
if (_broadcast_info) {
delete _broadcast_info;
}
+
+ if (xfade_buf) {
+ delete [] xfade_buf;
+ }
}
float
return _info.samplerate;
}
-jack_nframes_t
-SndFileSource::read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const
+nframes_t
+SndFileSource::read_unlocked (Sample *dst, nframes_t start, nframes_t cnt) const
{
int32_t nread;
float *ptr;
uint32_t real_cnt;
- jack_nframes_t file_cnt;
+ nframes_t file_cnt;
if (start > _length) {
}
if (_info.channels == 1) {
- jack_nframes_t ret = sf_read_float (sf, dst, file_cnt);
+ nframes_t ret = sf_read_float (sf, dst, file_cnt);
_read_data_count = cnt * sizeof(float);
return ret;
}
}
if (file_cnt != cnt) {
- jack_nframes_t delta = cnt - file_cnt;
+ nframes_t delta = cnt - file_cnt;
memset (dst+file_cnt, 0, sizeof (Sample) * delta);
}
return nread;
}
-jack_nframes_t
-SndFileSource::write_unlocked (Sample *data, jack_nframes_t cnt, char * workbuf)
+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 0;
}
- jack_nframes_t oldlen;
+ nframes_t oldlen;
int32_t frame_pos = _length;
if (write_float (data, frame_pos, cnt) != cnt) {
if (_build_peakfiles) {
- queue_for_peaks (*this);
+ queue_for_peaks (shared_from_this ());
}
_write_data_count = cnt;
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 (jack_nframes_t when, struct tm& now, time_t tnow)
+SndFileSource::update_header (nframes_t when, struct tm& now, time_t tnow)
{
set_timeline_position (when);
if (!writable() || (sf == 0)) {
return -1;
}
-
return (sf_command (sf, SFC_UPDATE_HEADER_NOW, 0, 0) != SF_TRUE);
}
int
-SndFileSource::setup_broadcast_info (jack_nframes_t when, struct tm& now, time_t tnow)
+SndFileSource::setup_broadcast_info (nframes_t when, struct tm& now, time_t tnow)
{
if (!writable()) {
return -1;
int random_code = random() % 999999999;
snprintf (_broadcast_info->originator_reference, sizeof (_broadcast_info->originator_reference), "%2s%3s%12s%02d%02d%02d%9d",
- bwf_country_code,
- bwf_organization_code,
+ Config->get_bwf_country_code().c_str(),
+ Config->get_bwf_organization_code().c_str(),
bwf_serial_number,
now.tm_hour,
now.tm_min,
now.tm_mon,
now.tm_mday);
- snprintf (_broadcast_info->origination_time, sizeof (_broadcast_info->origination_time), "%02d-%02d-%02d",
+ snprintf (_broadcast_info->origination_time, sizeof (_broadcast_info->origination_time), "%02d:%02d:%02d",
now.tm_hour,
now.tm_min,
now.tm_sec);
if (sf_command (sf, SFC_SET_BROADCAST_INFO, _broadcast_info, sizeof (*_broadcast_info)) != SF_TRUE) {
error << string_compose (_("cannot set broadcast info for audio file %1; Dropping broadcast info for this file"), _path) << endmsg;
_flags = Flag (_flags & ~Broadcast);
- free (_broadcast_info);
+ delete _broadcast_info;
_broadcast_info = 0;
return -1;
}
void
SndFileSource::set_header_timeline_position ()
{
- uint64_t pos;
-
if (!(_flags & Broadcast)) {
return;
}
- cerr << "timeline pos = " << timeline_position << " offset = " << header_position_offset << endl;
+ _broadcast_info->time_reference_high = (timeline_position >> 32);
+ _broadcast_info->time_reference_low = (timeline_position & 0xffffffff);
+
+ if (sf_command (sf, SFC_SET_BROADCAST_INFO, _broadcast_info, sizeof (*_broadcast_info)) != SF_TRUE) {
+ error << string_compose (_("cannot set broadcast info for audio file %1; Dropping broadcast info for this file"), _path) << endmsg;
+ _flags = Flag (_flags & ~Broadcast);
+ delete _broadcast_info;
+ _broadcast_info = 0;
+ }
- _broadcast_info->time_reference_high = 0;
+
- if (header_position_negative) {
+}
- if (ULONG_LONG_MAX - header_position_offset < timeline_position) {
- pos = ULONG_LONG_MAX; // impossible
+nframes_t
+SndFileSource::write_float (Sample* data, nframes_t frame_pos, nframes_t cnt)
+{
+ if (sf_seek (sf, frame_pos, SEEK_SET|SFM_WRITE) < 0) {
+ char errbuf[256];
+ sf_error_str (0, errbuf, sizeof (errbuf) - 1);
+ error << string_compose (_("%1: cannot seek to %2 (libsndfile error: %3"), _path, frame_pos, errbuf) << endmsg;
+ return 0;
+ }
+
+ if (sf_writef_float (sf, data, cnt) != (ssize_t) cnt) {
+ return 0;
+ }
+
+ return cnt;
+}
+
+nframes_t
+SndFileSource::natural_position() const
+{
+ return timeline_position;
+}
+
+bool
+SndFileSource::set_destructive (bool yn)
+{
+ if (yn) {
+ _flags = Flag (_flags | Destructive);
+ if (!xfade_buf) {
+ xfade_buf = new Sample[xfade_frames];
+ }
+ clear_capture_marks ();
+ timeline_position = header_position_offset;
+ } else {
+ _flags = Flag (_flags & ~Destructive);
+ timeline_position = 0;
+ /* leave xfade buf alone in case we need it again later */
+ }
+
+ 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 {
- pos = timeline_position + header_position_offset;
+ _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 (timeline_position < header_position_offset) {
- pos = 0;
- } else {
- pos = timeline_position - header_position_offset;
+ 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;
}
}
- _broadcast_info->time_reference_high = (pos >> 32);
- _broadcast_info->time_reference_low = (pos & 0xffffffff);
+ if (xfade == xfade_frames) {
- cerr << "set binfo pos to " << _broadcast_info->time_reference_high << " + " << _broadcast_info->time_reference_low << endl;
+ nframes_t n;
- if (sf_command (sf, SFC_SET_BROADCAST_INFO, _broadcast_info, sizeof (*_broadcast_info)) != SF_TRUE) {
- error << string_compose (_("cannot set broadcast info for audio file %1; Dropping broadcast info for this file"), _path) << endmsg;
- _flags = Flag (_flags & ~Broadcast);
- free (_broadcast_info);
- _broadcast_info = 0;
+ /* 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 < xfade_frames) {
+
+ 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]);
+ }
+
+ } else if (xfade) {
+
+ /* long xfade length, has to be computed across several calls */
+
+ }
+
+ 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;
}
-jack_nframes_t
-SndFileSource::write_float (Sample* data, jack_nframes_t frame_pos, jack_nframes_t cnt)
+nframes_t
+SndFileSource::last_capture_start_frame () const
{
- if (sf_seek (sf, frame_pos, SEEK_SET|SFM_WRITE) != frame_pos) {
- error << string_compose (_("%1: cannot seek to %2"), _path, frame_pos) << endmsg;
+ if (destructive()) {
+ return capture_start_frame;
+ } else {
return 0;
}
-
- if (sf_writef_float (sf, data, cnt) != (ssize_t) cnt) {
- return 0;
+}
+
+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);
+
+ 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 (int64_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);
+ }
+}
+
+int
+SndFileSource::get_soundfile_info (string path, SoundFileInfo& info, string& error_msg)
+{
+ SNDFILE *sf;
+ SF_INFO sf_info;
+ SF_BROADCAST_INFO binfo;
+ bool timecode_exists;
+
+ sf_info.format = 0; // libsndfile says to clear this before sf_open().
+
+ if ((sf = sf_open ((char*) path.c_str(), SFM_READ, &sf_info)) == 0) {
+ char errbuf[256];
+ error_msg = sf_error_str (0, errbuf, sizeof (errbuf) - 1);
+ return false;
+ }
+
+ info.samplerate = sf_info.samplerate;
+ info.channels = sf_info.channels;
+ info.length = sf_info.frames;
+ info.format_name = string_compose("Format: %1, %2",
+ sndfile_major_format(sf_info.format),
+ sndfile_minor_format(sf_info.format));
+
+ memset (&binfo, 0, sizeof (binfo));
+ info.timecode = get_timecode_info (sf, &binfo, timecode_exists);
+
+ if (!timecode_exists) {
+ info.timecode = 0;
}
- return cnt;
+ sf_close (sf);
+
+ return true;
+}
+
+int64_t
+SndFileSource::get_timecode_info (SNDFILE* sf, SF_BROADCAST_INFO* binfo, bool& exists)
+{
+ if (sf_command (sf, SFC_GET_BROADCAST_INFO, binfo, sizeof (*binfo)) != SF_TRUE) {
+ exists = false;
+ return (header_position_offset);
+ }
+
+ /* XXX 64 bit alert: when JACK switches to a 64 bit frame count, this needs to use the high bits
+ of the time reference.
+ */
+
+ exists = true;
+ int64_t ret = (uint32_t) binfo->time_reference_high;
+ ret <<= 32;
+ ret |= (uint32_t) binfo->time_reference_low;
+ return ret;
}
projects / ardour.git / blobdiff