/*
- 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 <glibmm/miscutils.h>
-#include <ardour/sndfilesource.h>
-#include <ardour/sndfile_helpers.h>
-#include <ardour/utils.h>
-#include <ardour/version.h>
+#include "ardour/sndfilesource.h"
+#include "ardour/sndfile_helpers.h"
+#include "ardour/utils.h"
+#include "ardour/version.h"
+#include "ardour/rc_configuration.h"
+#include "ardour/session.h"
#include "i18n.h"
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);
+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 ustring& path, bool embedded, int chn, Flag flags)
+ : Source(s, DataType::AUDIO, path, flags)
+ , AudioFileSource (s, path, embedded,
+ 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 ustring& path, bool embedded,
+ SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
+ : Source(s, DataType::AUDIO, path, flags)
+ , AudioFileSource (s, path, embedded, flags, sfmt, hf)
{
int fmt = 0;
- init ();
-
- /* this constructor is used to construct new files, not open
- existing ones.
- */
+ init_sndfile ();
- file_is_new = true;
+ _file_is_new = true;
switch (hf) {
case CAF:
fmt |= SF_FORMAT_PCM_16;
break;
}
-
+
_info.channels = 1;
_info.samplerate = rate;
_info.format = fmt;
}
}
-void
-SndFileSource::init ()
+void
+SndFileSource::init_sndfile ()
{
ustring file;
_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 (
+ mem_fun (*this, &SndFileSource::handle_header_position_change));
}
int
so we don't want to see this message.
*/
- error << string_compose(_("SndFileSource: cannot open file \"%1\" for %2 (%3)"),
+ error << string_compose(_("SndFileSource: cannot open file \"%1\" for %2 (%3)"),
_path, (writable() ? "read+write" : "reading"), errbuf) << endmsg;
#endif
return -1;
if (!_broadcast_info) {
_broadcast_info = new BroadcastInfo;
}
-
+
bool bwf_info_exists = _broadcast_info->load_from_file (sf);
set_timeline_position (bwf_info_exists ? _broadcast_info->get_time_reference() : header_position_offset);
touch_peakfile ();
}
- if (_broadcast_info) {
- delete _broadcast_info;
- }
-
- if (xfade_buf) {
- delete [] xfade_buf;
- }
+ 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
+SndFileSource::read_unlocked (Sample *dst, sframes_t start, nframes_t cnt) const
{
int32_t nread;
float *ptr;
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;
}
-
+
if (file_cnt != cnt) {
nframes_t delta = cnt - file_cnt;
memset (dst+file_cnt, 0, sizeof (Sample) * delta);
error << string_compose(_("SndFileSource: could not seek to frame %1 within %2 (%3)"), start, _name.substr (1), errbuf) << endmsg;
return 0;
}
-
+
if (_info.channels == 1) {
nframes_t ret = sf_read_float (sf, dst, file_cnt);
_read_data_count = ret * sizeof(float);
real_cnt = cnt * _info.channels;
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);
-
+
return nread;
}
-nframes_t
+nframes_t
SndFileSource::write_unlocked (Sample *data, nframes_t cnt)
{
if (destructive()) {
}
}
-nframes_t
+nframes_t
SndFileSource::nondestructive_write_unlocked (Sample *data, nframes_t cnt)
{
if (!writable()) {
/*NOTREACHED*/
return 0;
}
-
+
nframes_t oldlen;
int32_t frame_pos = _length;
_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;
-
+
// 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;
}
}
file_pos += cnt;
-
+
return cnt;
}
int
-SndFileSource::update_header (nframes_t when, struct tm& now, time_t tnow)
-{
+SndFileSource::update_header (sframes_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::setup_broadcast_info (nframes_t when, struct tm& now, time_t tnow)
+SndFileSource::setup_broadcast_info (sframes_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 0;
}
- _broadcast_info->set_originator_ref ();
+ _broadcast_info->set_originator_ref (_session);
_broadcast_info->set_origination_time (&now);
-
+
/* now update header position taking header offset into account */
-
+
set_header_timeline_position ();
if (!_broadcast_info->write_to_file (sf)) {
return;
}
- _broadcast_info->set_time_reference (timeline_position);
+ _broadcast_info->set_time_reference (_timeline_position);
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"),
}
nframes_t
-SndFileSource::write_float (Sample* data, nframes_t frame_pos, nframes_t cnt)
+SndFileSource::write_float (Sample* data, sframes_t frame_pos, nframes_t cnt)
{
if (sf_seek (sf, frame_pos, SEEK_SET|SFM_WRITE) < 0) {
char errbuf[256];
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
+sframes_t
SndFileSource::natural_position() const
{
- return timeline_position;
+ return _timeline_position;
}
bool
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;
-}
+}
void
-SndFileSource::mark_capture_start (nframes_t pos)
+SndFileSource::mark_capture_start (sframes_t pos)
{
if (destructive()) {
- if (pos < timeline_position) {
+ if (pos < _timeline_position) {
_capture_start = false;
} else {
_capture_start = true;
}
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;
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;
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]);
}
/* 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]);
}
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]);
+ 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
+sframes_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, 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);
+ xfade_frames = (nframes_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];
SndFileSource::set_timeline_position (int64_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
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 ((char*) path.c_str(), SFM_READ, &sf_info)) == 0) {
char errbuf[256];
error_msg = sf_error_str (0, errbuf, sizeof (errbuf) - 1);
return false;
projects / ardour.git / blobdiff