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;
}
/** 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, framecnt_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;
- init_sndfile ();
+ init_sndfile ();
_file_is_new = true;
_info.samplerate = rate;
_info.format = fmt;
- if (open()) {
- throw failed_constructor();
- }
-
- if (writable() && (_flags & Broadcast)) {
-
- if (!_broadcast_info) {
- _broadcast_info = new BroadcastInfo;
- }
-
- _broadcast_info->set_from_session (s, header_position_offset);
- _broadcast_info->set_description (string_compose ("BWF %1", _name));
-
- 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, _broadcast_info->get_error())
- << endmsg;
- _flags = Flag (_flags & ~Broadcast);
- delete _broadcast_info;
- _broadcast_info = 0;
- }
- }
+ /* do not open the file here - do that in write_unlocked() as needed
+ */
}
void
SndFileSource::init_sndfile ()
{
- ustring file;
+ string file;
+
+ _descriptor = 0;
// 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;
}
if (writable()) {
sf_command (sf, SFC_SET_UPDATE_HEADER_AUTO, 0, SF_FALSE);
- }
+ if (_flags & Broadcast) {
+
+ if (!_broadcast_info) {
+ _broadcast_info = new BroadcastInfo;
+ }
+
+ _broadcast_info->set_from_session (_session, header_position_offset);
+ _broadcast_info->set_description (string_compose ("BWF %1", _name));
+
+ 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, _broadcast_info->get_error())
+ << endmsg;
+ _flags = Flag (_flags & ~Broadcast);
+ delete _broadcast_info;
+ _broadcast_info = 0;
+ }
+ }
+ }
+
+ _descriptor->release ();
+ _open = true;
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;
}
uint32_t real_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 */
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 (_info.channels == 1) {
- nframes_t ret = sf_read_float (sf, dst, file_cnt);
+ framecnt_t ret = sf_read_float (sf, dst, file_cnt);
_read_data_count = ret * sizeof(float);
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;
}
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 {
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) {
}
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);
+
+ 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;
}
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 -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;
}
- _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 ();
}
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;
}
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];
}
_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) {
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()) {
}
void
-SndFileSource::setup_standard_crossfades (Session const & s, 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.
}
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 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);
+ }
+}
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