/*
- Copyright (C) 2006 Paul Davis
+ Copyright (C) 2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
+#include <cstring>
#include <cerrno>
#include <climits>
+#include <cstdarg>
-#include <pwd.h>
-#include <sys/utsname.h>
#include <sys/stat.h>
+#ifdef PLATFORM_WINDOWS
+#include <glibmm/convert.h>
+#endif
#include <glibmm/miscutils.h>
-#include <ardour/sndfilesource.h>
-#include <ardour/sndfile_helpers.h>
-#include <ardour/utils.h>
+#include "ardour/sndfilesource.h"
+#include "ardour/sndfile_helpers.h"
+#include "ardour/utils.h"
+#include "ardour/session.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
-using Glib::ustring;
+using std::string;
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);
+framecnt_t SndFileSource::xfade_frames = 64;
+const Source::Flag SndFileSource::default_writable_flags = Source::Flag (
+ Source::Writable |
+ Source::Removable |
+ Source::RemovableIfEmpty |
+ Source::CanRename );
SndFileSource::SndFileSource (Session& s, const XMLNode& node)
- : AudioFileSource (s, node)
+ : Source(s, node)
+ , AudioFileSource (s, node)
{
- init ();
+ init_sndfile ();
if (open()) {
throw failed_constructor ();
}
}
-SndFileSource::SndFileSource (Session& s, ustring path, int chn, Flag flags)
- /* files created this way are never writable or removable */
- : AudioFileSource (s, path, Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy)))
+/** Files created this way are never writable or removable */
+SndFileSource::SndFileSource (Session& s, const string& path, int chn, Flag flags)
+ : Source(s, DataType::AUDIO, path, flags)
+ /* note that the origin of an external file is itself */
+ , AudioFileSource (s, path, Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy)))
{
_channel = chn;
- init ();
+ init_sndfile ();
if (open()) {
throw failed_constructor ();
}
}
-SndFileSource::SndFileSource (Session& s, ustring path, SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
- : AudioFileSource (s, path, flags, sfmt, hf)
+/** This constructor is used to construct new files, not open existing ones. */
+SndFileSource::SndFileSource (Session& s, const string& path, const string& origin,
+ SampleFormat sfmt, HeaderFormat hf, framecnt_t rate, Flag flags)
+ : Source(s, DataType::AUDIO, path, flags)
+ , AudioFileSource (s, path, origin, flags, sfmt, hf)
{
int fmt = 0;
- init ();
+ init_sndfile ();
- /* this constructor is used to construct new files, not open
- existing ones.
- */
+ _file_is_new = true;
- file_is_new = true;
-
switch (hf) {
case CAF:
fmt = SF_FORMAT_CAF;
case FormatInt24:
fmt |= SF_FORMAT_PCM_24;
break;
+
+ case FormatInt16:
+ fmt |= SF_FORMAT_PCM_16;
+ break;
}
-
+
_info.channels = 1;
_info.samplerate = rate;
_info.format = fmt;
- if (open()) {
- throw failed_constructor();
- }
-
- if (writable() && (_flags & Broadcast)) {
-
- _broadcast_info = new SF_BROADCAST_INFO;
- memset (_broadcast_info, 0, sizeof (*_broadcast_info));
-
- snprintf (_broadcast_info->description, sizeof (_broadcast_info->description), "BWF %s", _name.c_str());
-
- struct utsname utsinfo;
-
- if (uname (&utsinfo)) {
- error << string_compose(_("FileSource: cannot get host information for BWF header (%1)"), strerror(errno)) << endmsg;
- return;
+ if (_flags & Destructive) {
+ if (open()) {
+ throw failed_constructor();
}
-
- snprintf (_broadcast_info->originator, sizeof (_broadcast_info->originator), "ardour:%s:%s:%s:%s:%s)",
- Glib::get_real_name().c_str(),
- utsinfo.nodename,
- utsinfo.sysname,
- utsinfo.release,
- utsinfo.version);
-
- _broadcast_info->version = 1;
- _broadcast_info->time_reference_low = 0;
- _broadcast_info->time_reference_high = 0;
-
- /* XXX do something about this field */
-
- snprintf (_broadcast_info->umid, sizeof (_broadcast_info->umid), "%s", "fnord");
-
- /* coding history is added by libsndfile */
-
- if (sf_command (sf, SFC_SET_BROADCAST_INFO, _broadcast_info, sizeof (_broadcast_info)) != SF_TRUE) {
- char errbuf[256];
- sf_error_str (0, errbuf, sizeof (errbuf) - 1);
- error << string_compose (_("cannot set broadcast info for audio file %1 (%2); dropping broadcast info for this file"), _path, errbuf) << endmsg;
- _flags = Flag (_flags & ~Broadcast);
- delete _broadcast_info;
- _broadcast_info = 0;
- }
-
+ } else {
+ /* normal mode: do not open the file here - do that in write_unlocked() as needed
+ */
}
}
-void
-SndFileSource::init ()
+void
+SndFileSource::init_sndfile ()
{
- ustring file;
+ string file;
+
+ _descriptor = 0;
// 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;
- if (is_embedded()) {
- _name = _path;
- } else {
- _name = Glib::path_get_basename (_path);
- }
-
/* although libsndfile says we don't need to set this,
valgrind and source code shows us that we do.
*/
_capture_end = false;
file_pos = 0;
- if (destructive()) {
+ if (destructive()) {
xfade_buf = new Sample[xfade_frames];
- timeline_position = header_position_offset;
+ _timeline_position = header_position_offset;
}
- AudioFileSource::HeaderPositionOffsetChanged.connect (mem_fun (*this, &SndFileSource::handle_header_position_change));
+ AudioFileSource::HeaderPositionOffsetChanged.connect_same_thread (header_position_connection, boost::bind (&SndFileSource::handle_header_position_change, this));
}
int
SndFileSource::open ()
{
- if ((sf = sf_open (_path.c_str(), (writable() ? SFM_RDWR : SFM_READ), &_info)) == 0) {
- char errbuf[256];
+ string path_to_open;
+
+#ifdef PLATFORM_WINDOWS
+ path_to_open = Glib::locale_from_utf8(_path);
+#else
+ path_to_open = _path;
+#endif
+
+ _descriptor = new SndFileDescriptor (path_to_open.c_str(), writable(), &_info);
+ _descriptor->Closed.connect_same_thread (file_manager_connection, boost::bind (&SndFileSource::file_closed, this));
+ SNDFILE* sf = _descriptor->allocate ();
+
+ if (sf == 0) {
+ char errbuf[1024];
sf_error_str (0, errbuf, sizeof (errbuf) - 1);
- error << string_compose(_("SndFileSource: cannot open file \"%1\" for %2 (%3)"),
- _path, (writable() ? "read+write" : "reading"), errbuf) << endmsg;
+#ifndef HAVE_COREAUDIO
+ /* if we have CoreAudio, we will be falling back to that if libsndfile fails,
+ so we don't want to see this message.
+ */
+
+ cerr << "failed to open " << path_to_open << " with name " << _name << endl;
+
+ error << string_compose(_("SndFileSource: cannot open file \"%1\" for %2 (%3)"),
+ path_to_open, (writable() ? "read+write" : "reading"), errbuf) << endmsg;
+#endif
return -1;
}
if (_channel >= _info.channels) {
+#ifndef HAVE_COREAUDIO
error << string_compose(_("SndFileSource: file only contains %1 channels; %2 is invalid as a channel number"), _info.channels, _channel) << endmsg;
- sf_close (sf);
- sf = 0;
+#endif
+ delete _descriptor;
+ _descriptor = 0;
return -1;
}
_length = _info.frames;
- _broadcast_info = new SF_BROADCAST_INFO;
- memset (_broadcast_info, 0, sizeof (*_broadcast_info));
-
- bool timecode_info_exists;
+ if (!_broadcast_info) {
+ _broadcast_info = new BroadcastInfo;
+ }
+
+ bool bwf_info_exists = _broadcast_info->load_from_file (sf);
- set_timeline_position (get_timecode_info (sf, _broadcast_info, timecode_info_exists));
+ if (_file_is_new && _length == 0 && writable() && !bwf_info_exists) {
+ /* newly created files will not have a BWF header at this point in time.
+ * Import will have called Source::set_timeline_position() if one exists
+ * in the original. */
+ header_position_offset = _timeline_position;
+ }
+
+ /* Set our timeline position to either the time reference from a BWF header or the current
+ start of the session.
+ */
+ set_timeline_position (bwf_info_exists ? _broadcast_info->get_time_reference() : header_position_offset);
- if (!timecode_info_exists) {
+ if (_length != 0 && !bwf_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);
- }
- return 0;
-}
+ if (_flags & Broadcast) {
-SndFileSource::~SndFileSource ()
-{
- GoingAway (); /* EMIT SIGNAL */
+ if (!_broadcast_info) {
+ _broadcast_info = new BroadcastInfo;
+ }
- if (sf) {
- sf_close (sf);
- sf = 0;
+ _broadcast_info->set_from_session (_session, header_position_offset);
+ _broadcast_info->set_description (string_compose ("BWF %1", _name));
- /* 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.
- */
+ if (!_broadcast_info->write_to_file (sf)) {
+ error << string_compose (_("cannot set broadcast info for audio file %1 (%2); dropping broadcast info for this file"),
+ path_to_open, _broadcast_info->get_error())
+ << endmsg;
+ _flags = Flag (_flags & ~Broadcast);
+ delete _broadcast_info;
+ _broadcast_info = 0;
+ }
+ }
+ }
- touch_peakfile ();
- }
-
- if (interleave_buf) {
- delete [] interleave_buf;
- }
-
- if (_broadcast_info) {
- delete _broadcast_info;
- }
+ _descriptor->release ();
+ _open = true;
+ return 0;
+}
- if (xfade_buf) {
- delete [] xfade_buf;
- }
+SndFileSource::~SndFileSource ()
+{
+ delete _descriptor;
+ delete _broadcast_info;
+ delete [] xfade_buf;
}
float
-SndFileSource::sample_rate () const
+SndFileSource::sample_rate () const
{
return _info.samplerate;
}
-nframes_t
-SndFileSource::read_unlocked (Sample *dst, nframes_t start, nframes_t cnt) const
+framecnt_t
+SndFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const
{
+ assert (cnt >= 0);
+
int32_t nread;
float *ptr;
uint32_t real_cnt;
- nframes_t file_cnt;
+ framepos_t file_cnt;
+
+ if (writable() && !_open) {
+ /* file has not been opened yet - nothing written to it */
+ memset (dst, 0, sizeof (Sample) * cnt);
+ return cnt;
+ }
+
+ SNDFILE* sf = _descriptor->allocate ();
+
+ if (sf == 0) {
+ error << string_compose (_("could not allocate file %1 for reading."), _path) << endmsg;
+ return 0;
+ }
if (start > _length) {
/* read starts beyond end of data, just memset to zero */
-
+
file_cnt = 0;
} else if (start + cnt > _length) {
-
+
/* read ends beyond end of data, read some, memset the rest */
-
+
file_cnt = _length - start;
} else {
-
+
/* read is entirely within data */
file_cnt = cnt;
}
-
+
+ assert (file_cnt >= 0);
+
+ if (file_cnt != cnt) {
+ framepos_t delta = cnt - file_cnt;
+ memset (dst+file_cnt, 0, sizeof (Sample) * delta);
+ }
+
if (file_cnt) {
if (sf_seek (sf, (sf_count_t) start, SEEK_SET|SFM_READ) != (sf_count_t) start) {
char errbuf[256];
sf_error_str (0, errbuf, sizeof (errbuf) - 1);
- error << string_compose(_("SndFileSource: could not seek to frame %1 within %2 (%3)"), start, _name.substr (1), errbuf) << endmsg;
+ error << string_compose(_("SndFileSource: could not seek to frame %1 within %2 (%3)"), start, _name.val().substr (1), errbuf) << endmsg;
+ _descriptor->release ();
return 0;
}
-
+
if (_info.channels == 1) {
- nframes_t ret = sf_read_float (sf, dst, file_cnt);
- _read_data_count = cnt * sizeof(float);
+ framecnt_t ret = sf_read_float (sf, dst, file_cnt);
+ if (ret != file_cnt) {
+ char errbuf[256];
+ sf_error_str (0, errbuf, sizeof (errbuf) - 1);
+ error << string_compose(_("SndFileSource: @ %1 could not read %2 within %3 (%4) (len = %5, ret was %6)"), start, file_cnt, _name.val().substr (1), errbuf, _length, ret) << endl;
+ }
+ _descriptor->release ();
return ret;
}
}
- if (file_cnt != cnt) {
- nframes_t delta = cnt - file_cnt;
- memset (dst+file_cnt, 0, sizeof (Sample) * delta);
- }
-
real_cnt = cnt * _info.channels;
- if (interleave_bufsize < real_cnt) {
-
- if (interleave_buf) {
- delete [] interleave_buf;
- }
- interleave_bufsize = real_cnt;
- interleave_buf = new float[interleave_bufsize];
- }
-
+ Sample* interleave_buf = get_interleave_buffer (real_cnt);
+
nread = sf_read_float (sf, interleave_buf, real_cnt);
ptr = interleave_buf + _channel;
nread /= _info.channels;
-
+
/* stride through the interleaved data */
-
+
for (int32_t n = 0; n < nread; ++n) {
dst[n] = *ptr;
ptr += _info.channels;
}
- _read_data_count = cnt * sizeof(float);
-
+ _descriptor->release ();
return nread;
}
-nframes_t
-SndFileSource::write_unlocked (Sample *data, nframes_t cnt)
+framecnt_t
+SndFileSource::write_unlocked (Sample *data, framecnt_t cnt)
{
+ if (!_open && open()) {
+ return 0; // failure
+ }
+
if (destructive()) {
return destructive_write_unlocked (data, cnt);
} else {
}
}
-nframes_t
-SndFileSource::nondestructive_write_unlocked (Sample *data, nframes_t cnt)
+framecnt_t
+SndFileSource::nondestructive_write_unlocked (Sample *data, framecnt_t cnt)
{
if (!writable()) {
warning << string_compose (_("attempt to write a non-writable audio file source (%1)"), _path) << endmsg;
/*NOTREACHED*/
return 0;
}
-
- nframes_t oldlen;
+
int32_t frame_pos = _length;
if (write_float (data, frame_pos, cnt) != cnt) {
return 0;
}
- oldlen = _length;
- update_length (oldlen, cnt);
+ update_length (_length + cnt);
if (_build_peakfiles) {
- compute_and_write_peaks (data, frame_pos, cnt, false);
+ compute_and_write_peaks (data, frame_pos, cnt, false, true);
}
- _write_data_count = cnt;
-
return cnt;
}
-nframes_t
-SndFileSource::destructive_write_unlocked (Sample* data, nframes_t cnt)
+framecnt_t
+SndFileSource::destructive_write_unlocked (Sample* data, framecnt_t cnt)
{
- nframes_t old_file_pos;
-
if (!writable()) {
warning << string_compose (_("attempt to write a non-writable audio file source (%1)"), _path) << endmsg;
return 0;
_capture_start = false;
_capture_end = false;
-
+
/* move to the correct location place */
- file_pos = capture_start_frame - timeline_position;
-
+ file_pos = capture_start_frame - _timeline_position;
+
// split cnt in half
- nframes_t subcnt = cnt / 2;
- nframes_t ofilepos = file_pos;
-
+ framecnt_t subcnt = cnt / 2;
+ framecnt_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) {
_capture_start = false;
_capture_end = false;
-
+
/* move to the correct location place */
- file_pos = capture_start_frame - timeline_position;
+ 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,
_capture_start = false;
_capture_end = false;
-
+
if (crossfade (data, cnt, 0) != cnt) {
return 0;
}
}
}
- old_file_pos = file_pos;
- update_length (file_pos, cnt);
+ update_length (file_pos + cnt);
if (_build_peakfiles) {
- compute_and_write_peaks (data, file_pos, cnt, false);
+ compute_and_write_peaks (data, file_pos, cnt, false, true);
}
file_pos += cnt;
-
+
return cnt;
}
int
-SndFileSource::update_header (nframes_t when, struct tm& now, time_t tnow)
-{
+SndFileSource::update_header (framepos_t when, struct tm& now, time_t tnow)
+{
set_timeline_position (when);
if (_flags & Broadcast) {
if (setup_broadcast_info (when, now, tnow)) {
return -1;
}
- }
+ }
return flush_header ();
}
int
SndFileSource::flush_header ()
{
- if (!writable() || (sf == 0)) {
+ if (!writable()) {
warning << string_compose (_("attempt to flush a non-writable audio file source (%1)"), _path) << endmsg;
return -1;
}
- return (sf_command (sf, SFC_UPDATE_HEADER_NOW, 0, 0) != SF_TRUE);
+
+ if (!_open) {
+ warning << string_compose (_("attempt to flush an un-opened audio file source (%1)"), _path) << endmsg;
+ return -1;
+ }
+
+ SNDFILE* sf = _descriptor->allocate ();
+ if (sf == 0) {
+ error << string_compose (_("could not allocate file %1 to write header"), _path) << endmsg;
+ return -1;
+ }
+
+ int const r = sf_command (sf, SFC_UPDATE_HEADER_NOW, 0, 0) != SF_TRUE;
+ _descriptor->release ();
+
+ return r;
+}
+
+void
+SndFileSource::flush ()
+{
+ if (!_open) {
+ warning << string_compose (_("attempt to flush an un-opened audio file source (%1)"), _path) << endmsg;
+ return;
+ }
+
+ if (!writable()) {
+ warning << string_compose (_("attempt to flush a non-writable audio file source (%1)"), _path) << endmsg;
+ return;
+ }
+
+ SNDFILE* sf = _descriptor->allocate ();
+ if (sf == 0) {
+ error << string_compose (_("could not allocate file %1 to flush contents"), _path) << endmsg;
+ return;
+ }
+
+ // Hopefully everything OK
+ sf_write_sync (sf);
+ _descriptor->release ();
}
int
-SndFileSource::setup_broadcast_info (nframes_t when, struct tm& now, time_t tnow)
+SndFileSource::setup_broadcast_info (framepos_t /*when*/, struct tm& now, time_t /*tnow*/)
{
if (!writable()) {
warning << string_compose (_("attempt to store broadcast info in a non-writable audio file source (%1)"), _path) << endmsg;
return -1;
}
+ if (!_open) {
+ warning << string_compose (_("attempt to set BWF info for an un-opened audio file source (%1)"), _path) << endmsg;
+ return -1;
+ }
+
if (!(_flags & Broadcast)) {
return 0;
}
- /* random code is 9 digits */
-
- int random_code = random() % 999999999;
-
- snprintf (_broadcast_info->originator_reference, sizeof (_broadcast_info->originator_reference), "%2s%3s%12s%02d%02d%02d%9d",
- 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_sec,
- random_code);
-
- snprintf (_broadcast_info->origination_date, sizeof (_broadcast_info->origination_date), "%4d-%02d-%02d",
- 1900 + now.tm_year,
- now.tm_mon,
- now.tm_mday);
-
- snprintf (_broadcast_info->origination_time, sizeof (_broadcast_info->origination_time), "%02d:%02d:%02d",
- now.tm_hour,
- now.tm_min,
- now.tm_sec);
+ _broadcast_info->set_originator_ref_from_session (_session);
+ _broadcast_info->set_origination_time (&now);
/* now update header position taking header offset into account */
-
+
set_header_timeline_position ();
- 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;
+ SNDFILE* sf = _descriptor->allocate ();
+
+ if (sf == 0 || !_broadcast_info->write_to_file (sf)) {
+ error << string_compose (_("cannot set broadcast info for audio file %1 (%2); dropping broadcast info for this file"),
+ _path, _broadcast_info->get_error())
+ << endmsg;
_flags = Flag (_flags & ~Broadcast);
delete _broadcast_info;
_broadcast_info = 0;
- return -1;
}
+ _descriptor->release ();
return 0;
}
return;
}
- _broadcast_info->time_reference_high = (timeline_position >> 32);
- _broadcast_info->time_reference_low = (timeline_position & 0xffffffff);
+ _broadcast_info->set_time_reference (_timeline_position);
- 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;
+ SNDFILE* sf = _descriptor->allocate ();
+
+ if (sf == 0 || !_broadcast_info->write_to_file (sf)) {
+ error << string_compose (_("cannot set broadcast info for audio file %1 (%2); dropping broadcast info for this file"),
+ _path, _broadcast_info->get_error())
+ << endmsg;
_flags = Flag (_flags & ~Broadcast);
delete _broadcast_info;
_broadcast_info = 0;
}
+
+ _descriptor->release ();
}
-nframes_t
-SndFileSource::write_float (Sample* data, nframes_t frame_pos, nframes_t cnt)
+framecnt_t
+SndFileSource::write_float (Sample* data, framepos_t frame_pos, framecnt_t cnt)
{
- if (sf_seek (sf, frame_pos, SEEK_SET|SFM_WRITE) < 0) {
+ SNDFILE* sf = _descriptor->allocate ();
+
+ if (sf == 0 || 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;
+ error << string_compose (_("%1: cannot seek to %2 (libsndfile error: %3)"), _path, frame_pos, errbuf) << endmsg;
+ _descriptor->release ();
return 0;
}
-
+
if (sf_writef_float (sf, data, cnt) != (ssize_t) cnt) {
+ _descriptor->release ();
return 0;
}
-
+
+ _descriptor->release ();
return cnt;
}
-nframes_t
+framepos_t
SndFileSource::natural_position() const
{
- return timeline_position;
+ return _timeline_position;
}
bool
SndFileSource::set_destructive (bool yn)
{
if (yn) {
- _flags = Flag (_flags | Destructive);
+ _flags = Flag (_flags | Writable | Destructive);
if (!xfade_buf) {
xfade_buf = new Sample[xfade_frames];
}
clear_capture_marks ();
- timeline_position = header_position_offset;
+ _timeline_position = header_position_offset;
} else {
_flags = Flag (_flags & ~Destructive);
- timeline_position = 0;
+ _timeline_position = 0;
/* leave xfade buf alone in case we need it again later */
}
{
_capture_start = false;
_capture_end = false;
-}
+}
+/** @param pos Capture start position in session frames */
void
-SndFileSource::mark_capture_start (nframes_t pos)
+SndFileSource::mark_capture_start (framepos_t pos)
{
if (destructive()) {
- if (pos < timeline_position) {
+ if (pos < _timeline_position) {
_capture_start = false;
} else {
_capture_start = true;
}
}
-nframes_t
-SndFileSource::crossfade (Sample* data, nframes_t cnt, int fade_in)
+framecnt_t
+SndFileSource::crossfade (Sample* data, framecnt_t cnt, int fade_in)
{
- nframes_t xfade = min (xfade_frames, cnt);
- nframes_t nofade = cnt - xfade;
+ framecnt_t xfade = min (xfade_frames, cnt);
+ framecnt_t nofade = cnt - xfade;
Sample* fade_data = 0;
- nframes_t fade_position = 0; // in frames
+ framepos_t fade_position = 0; // in frames
ssize_t retval;
- nframes_t file_cnt;
+ framecnt_t file_cnt;
if (fade_in) {
fade_position = file_pos;
}
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.
return 0;
}
}
- }
+ }
if (file_cnt != xfade) {
- nframes_t delta = xfade - file_cnt;
+ framecnt_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;
if (xfade == xfade_frames) {
- nframes_t n;
+ framecnt_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]);
}
/* 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];
+ std::vector<gain_t> in(xfade);
+ std::vector<gain_t> out(xfade);
/* short xfade, compute custom curve */
- compute_equal_power_fades (xfade, in, out);
+ compute_equal_power_fades (xfade, &in[0], &out[0]);
- for (nframes_t n = 0; n < xfade; ++n) {
- xfade_buf[n] = (xfade_buf[n] * out[n]) + (fade_data[n] * in[n]);
+ for (framecnt_t n = 0; n < xfade; ++n) {
+ xfade_buf[n] = (xfade_buf[n] * out[n]) + (fade_data[n] * in[n]);
}
} else if (xfade) {
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 cnt;
}
-nframes_t
+framepos_t
SndFileSource::last_capture_start_frame () const
{
if (destructive()) {
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;
+ _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)
+SndFileSource::setup_standard_crossfades (Session const & s, framecnt_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);
+ xfade_frames = (framecnt_t) floor ((s.config.get_destructive_xfade_msecs () / 1000.0) * rate);
- if (out_coefficient) {
- delete [] out_coefficient;
- }
-
- if (in_coefficient) {
- delete [] in_coefficient;
- }
+ delete [] out_coefficient;
+ delete [] in_coefficient;
out_coefficient = new gain_t[xfade_frames];
in_coefficient = new gain_t[xfade_frames];
}
void
-SndFileSource::set_timeline_position (int64_t pos)
+SndFileSource::set_timeline_position (framepos_t pos)
{
// destructive track timeline postion does not change
- // except at instantion or when header_position_offset
+ // except at instantion or when header_position_offset
// (session start) changes
if (!destructive()) {
AudioFileSource::set_timeline_position (pos);
- }
+ }
}
int
-SndFileSource::get_soundfile_info (const ustring& path, SoundFileInfo& info, string& error_msg)
+SndFileSource::get_soundfile_info (const string& path, SoundFileInfo& info, string& error_msg)
{
SNDFILE *sf;
SF_INFO sf_info;
- SF_BROADCAST_INFO binfo;
- bool timecode_exists;
+ BroadcastInfo binfo;
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) {
+ if ((sf = sf_open (const_cast<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);
+ string major = sndfile_major_format(sf_info.format);
+ string minor = sndfile_minor_format(sf_info.format);
+
+ if (major.length() + minor.length() < 16) { /* arbitrary */
+ info.format_name = string_compose("%1/%2", major, minor);
+ } else {
+ info.format_name = string_compose("%1\n%2", major, minor);
+ }
+
+ info.timecode = binfo.load_from_file (sf) ? binfo.get_time_reference() : 0;
- if (!timecode_exists) {
- info.timecode = 0;
- }
-
sf_close (sf);
return true;
}
-int64_t
-SndFileSource::get_timecode_info (SNDFILE* sf, SF_BROADCAST_INFO* binfo, bool& exists)
+bool
+SndFileSource::one_of_several_channels () const
{
- 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;
+ return _info.channels > 1;
}
bool
-SndFileSource::one_of_several_channels () const
+SndFileSource::clamped_at_unity () const
{
- return _info.channels > 1;
+ int const type = _info.format & SF_FORMAT_TYPEMASK;
+ int const sub = _info.format & SF_FORMAT_SUBMASK;
+ /* XXX: this may not be the full list of formats that are unclamped */
+ return (sub != SF_FORMAT_FLOAT && sub != SF_FORMAT_DOUBLE && type != SF_FORMAT_OGG);
+}
+
+void
+SndFileSource::file_closed ()
+{
+ /* 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 ();
+}
+
+void
+SndFileSource::set_path (const string& p)
+{
+ FileSource::set_path (p);
+
+ if (_descriptor) {
+ _descriptor->set_path (_path);
+ }
}
projects / ardour.git / blobdiff