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;
+framecnt_t SndFileSource::xfade_frames = 64;
const Source::Flag SndFileSource::default_writable_flags = Source::Flag (
Source::Writable |
Source::Removable |
}
/** Files created this way are never writable or removable */
-SndFileSource::SndFileSource (Session& s, const ustring& path, int chn, Flag flags)
+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;
}
/** This constructor is used to construct new files, not open existing ones. */
-SndFileSource::SndFileSource (Session& s, const ustring& path,
- SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
+SndFileSource::SndFileSource (Session& s, const string& path, const string& origin,
+ SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
: Source(s, DataType::AUDIO, path, flags)
- , AudioFileSource (s, path, flags, sfmt, hf)
+ , AudioFileSource (s, path, origin, flags, sfmt, hf)
{
int fmt = 0;
if (writable() && (_flags & Broadcast)) {
+ SNDFILE* sf = _descriptor->allocate ();
+ if (sf == 0) {
+ error << string_compose (_("could not allocate file %1"), _path) << endmsg;
+ throw failed_constructor ();
+ }
+
if (!_broadcast_info) {
_broadcast_info = new BroadcastInfo;
}
delete _broadcast_info;
_broadcast_info = 0;
}
+
+ _descriptor->release ();
}
}
void
SndFileSource::init_sndfile ()
{
- ustring file;
+ string file;
// lets try to keep the object initalizations here at the top
xfade_buf = 0;
- sf = 0;
_broadcast_info = 0;
/* although libsndfile says we don't need to set this,
int
SndFileSource::open ()
{
- if ((sf = sf_open (_path.c_str(), (writable() ? SFM_RDWR : SFM_READ), &_info)) == 0) {
+ _descriptor = new SndFileDescriptor (_path, 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[256];
sf_error_str (0, errbuf, sizeof (errbuf) - 1);
#ifndef HAVE_COREAUDIO
so we don't want to see this message.
*/
+ cerr << "failed to open " << _path << " with name " << _name << endl;
+
error << string_compose(_("SndFileSource: cannot open file \"%1\" for %2 (%3)"),
_path, (writable() ? "read+write" : "reading"), errbuf) << endmsg;
#endif
#ifndef HAVE_COREAUDIO
error << string_compose(_("SndFileSource: file only contains %1 channels; %2 is invalid as a channel number"), _info.channels, _channel) << endmsg;
#endif
- sf_close (sf);
- sf = 0;
+ delete _descriptor;
+ _descriptor = 0;
return -1;
}
sf_command (sf, SFC_SET_UPDATE_HEADER_AUTO, 0, SF_FALSE);
}
+ _descriptor->release ();
return 0;
}
SndFileSource::~SndFileSource ()
{
- 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 ();
- }
-
+ delete _descriptor;
delete _broadcast_info;
delete [] xfade_buf;
}
return _info.samplerate;
}
-nframes_t
-SndFileSource::read_unlocked (Sample *dst, sframes_t start, nframes_t cnt) const
+framecnt_t
+SndFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const
{
int32_t nread;
float *ptr;
uint32_t real_cnt;
- nframes_t file_cnt;
+ framepos_t file_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) {
}
if (file_cnt != cnt) {
- nframes_t delta = cnt - file_cnt;
+ framepos_t delta = cnt - file_cnt;
memset (dst+file_cnt, 0, sizeof (Sample) * delta);
}
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.val().substr (1), errbuf) << endmsg;
+ _descriptor->release ();
return 0;
}
if (ret != file_cnt) {
char errbuf[256];
sf_error_str (0, errbuf, sizeof (errbuf) - 1);
- cerr << string_compose(_("SndFileSource: @ %1 could not read %2 within %3 (%4) (len = %5)"), start, file_cnt, _name.val().substr (1), errbuf, _length) << endl;
+ error << string_compose(_("SndFileSource: @ %1 could not read %2 within %3 (%4) (len = %5)"), start, file_cnt, _name.val().substr (1), errbuf, _length) << endl;
}
+ _descriptor->release ();
return ret;
}
}
_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 (destructive()) {
return destructive_write_unlocked (data, cnt);
}
}
-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;
return 0;
}
- nframes_t oldlen;
+ framecnt_t oldlen;
int32_t frame_pos = _length;
if (write_float (data, frame_pos, cnt) != 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;
+ framepos_t old_file_pos;
if (!writable()) {
warning << string_compose (_("attempt to write a non-writable audio file source (%1)"), _path) << endmsg;
}
int
-SndFileSource::update_header (sframes_t when, struct tm& now, time_t tnow)
+SndFileSource::update_header (framepos_t when, struct tm& now, time_t tnow)
{
set_timeline_position (when);
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);
+
+ 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;
}
int
-SndFileSource::setup_broadcast_info (sframes_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 0;
}
- _broadcast_info->set_originator_ref (_session);
+ _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 (!_broadcast_info->write_to_file (sf)) {
+ 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;
_broadcast_info = 0;
}
+ _descriptor->release ();
return 0;
}
_broadcast_info->set_time_reference (_timeline_position);
- if (!_broadcast_info->write_to_file (sf)) {
+ 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;
delete _broadcast_info;
_broadcast_info = 0;
}
+
+ _descriptor->release ();
}
-nframes_t
-SndFileSource::write_float (Sample* data, sframes_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;
+ _descriptor->release ();
return 0;
}
if (sf_writef_float (sf, data, cnt) != (ssize_t) cnt) {
+ _descriptor->release ();
return 0;
}
+ _descriptor->release ();
return cnt;
}
-sframes_t
+framepos_t
SndFileSource::natural_position() const
{
return _timeline_position;
_capture_end = false;
}
+/** @param pos Capture start position in session frames */
void
-SndFileSource::mark_capture_start (sframes_t pos)
+SndFileSource::mark_capture_start (framepos_t pos)
{
if (destructive()) {
if (pos < _timeline_position) {
}
}
-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 (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 (xfade == xfade_frames) {
- nframes_t n;
+ framecnt_t n;
/* use the standard xfade curve */
compute_equal_power_fades (xfade, in, out);
- for (nframes_t n = 0; n < xfade; ++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) {
/* long xfade length, has to be computed across several calls */
return cnt;
}
-sframes_t
+framepos_t
SndFileSource::last_capture_start_frame () const
{
if (destructive()) {
before any DFS's are created.
*/
- xfade_frames = (nframes_t) floor ((s.config.get_destructive_xfade_msecs () / 1000.0) * rate);
+ xfade_frames = (framecnt_t) floor ((s.config.get_destructive_xfade_msecs () / 1000.0) * rate);
delete [] out_coefficient;
delete [] in_coefficient;
}
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
}
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;
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));
+
+ 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;
return _info.channels > 1;
}
+bool
+SndFileSource::clamped_at_unity () const
+{
+ 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);
+}
+
+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);
+ }
+}