#include <cerrno>
#include <climits>
#include <cstdarg>
+#include <fcntl.h>
-#include <pwd.h>
-#include <sys/utsname.h>
#include <sys/stat.h>
+#include <glib.h>
+#include "pbd/gstdio_compat.h"
+
+#include <glibmm/convert.h>
+#include <glibmm/fileutils.h>
#include <glibmm/miscutils.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"
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 |
SndFileSource::SndFileSource (Session& s, const XMLNode& node)
: Source(s, node)
, AudioFileSource (s, node)
+ , _sndfile (0)
+ , _broadcast_info (0)
+ , _capture_start (false)
+ , _capture_end (false)
+ , file_pos (0)
+ , xfade_buf (0)
{
init_sndfile ();
+ assert (Glib::file_test (_path, Glib::FILE_TEST_EXISTS));
+ existence_check ();
+
if (open()) {
throw failed_constructor ();
}
}
-/** Files created this way are never writable or removable */
-SndFileSource::SndFileSource (Session& s, const ustring& path, int chn, Flag flags)
+/** Constructor for existing external-to-session files.
+ 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)))
+ , _sndfile (0)
+ , _broadcast_info (0)
+ , _capture_start (false)
+ , _capture_end (false)
+ , file_pos (0)
+ , xfade_buf (0)
{
_channel = chn;
init_sndfile ();
+ assert (Glib::file_test (_path, Glib::FILE_TEST_EXISTS));
+ existence_check ();
+
if (open()) {
throw failed_constructor ();
}
}
-/** 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)
+/** This constructor is used to construct new internal-to-session 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, flags, sfmt, hf)
+ , AudioFileSource (s, path, origin, flags, sfmt, hf)
+ , _sndfile (0)
+ , _broadcast_info (0)
+ , _capture_start (false)
+ , _capture_end (false)
+ , file_pos (0)
+ , xfade_buf (0)
{
int fmt = 0;
- init_sndfile ();
+ init_sndfile ();
+
+ assert (!Glib::file_test (_path, Glib::FILE_TEST_EXISTS));
+ existence_check ();
_file_is_new = true;
_flags = Flag (_flags & ~Broadcast);
break;
+ case RF64_WAV:
+ fmt = SF_FORMAT_RF64;
+ _flags = Flag (_flags & ~Broadcast);
+ _flags = Flag (_flags | RF64_RIFF);
+ break;
+
+ case MBWF:
+ fmt = SF_FORMAT_RF64;
+ _flags = Flag (_flags | Broadcast);
+ _flags = Flag (_flags | RF64_RIFF);
+ break;
+
+ case RF64:
+ fmt = SF_FORMAT_RF64;
+ _flags = Flag (_flags & ~Broadcast);
+ break;
+
default:
fatal << string_compose (_("programming error: %1"), X_("unsupported audio header format requested")) << endmsg;
- /*NOTREACHED*/
+ abort(); /*NOTREACHED*/
break;
}
_info.samplerate = rate;
_info.format = fmt;
- if (open()) {
- throw failed_constructor();
+ if (_flags & Destructive) {
+ if (open()) {
+ throw failed_constructor();
+ }
+ } else {
+ /* normal mode: do not open the file here - do that in {read,write}_unlocked() as needed
+ */
}
+}
- if (writable() && (_flags & Broadcast)) {
+/** Constructor to be called for recovering files being used for
+ * capture. They are in-session, they already exist, they should not
+ * be writable. They are an odd hybrid (from a constructor point of
+ * view) of the previous two constructors.
+ */
+SndFileSource::SndFileSource (Session& s, const string& path, int chn)
+ : Source (s, DataType::AUDIO, path, Flag (0))
+ /* the final boolean argument is not used, its value is irrelevant. see audiofilesource.h for explanation */
+ , AudioFileSource (s, path, Flag (0))
+ , _sndfile (0)
+ , _broadcast_info (0)
+ , _capture_start (false)
+ , _capture_end (false)
+ , file_pos (0)
+ , xfade_buf (0)
+{
+ _channel = chn;
- if (!_broadcast_info) {
- _broadcast_info = new BroadcastInfo;
- }
+ init_sndfile ();
- _broadcast_info->set_from_session (s, header_position_offset);
- _broadcast_info->set_description (string_compose ("BWF %1", _name));
+ assert (Glib::file_test (_path, Glib::FILE_TEST_EXISTS));
+ existence_check ();
- 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;
- }
+ if (open()) {
+ throw failed_constructor ();
}
}
void
SndFileSource::init_sndfile ()
{
- ustring 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,
valgrind and source code shows us that we do.
*/
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_same_thread (header_position_connection, boost::bind (&SndFileSource::handle_header_position_change, this));
}
+void
+SndFileSource::close ()
+{
+ if (_sndfile) {
+ sf_close (_sndfile);
+ _sndfile = 0;
+ file_closed ();
+ }
+}
+
int
SndFileSource::open ()
{
- if ((sf = sf_open (_path.c_str(), (writable() ? SFM_RDWR : SFM_READ), &_info)) == 0) {
- char errbuf[256];
+ if (_sndfile) {
+ return 0;
+ }
+
+// We really only want to use g_open for all platforms but because of this
+// method(SndfileSource::open), the compiler(or at least GCC) is confused
+// because g_open will expand to "open" on non-POSIX systems and needs the
+// global namespace qualifer. The problem is since since C99 ::g_open will
+// apparently expand to ":: open"
+#ifdef PLATFORM_WINDOWS
+ int fd = g_open (_path.c_str(), writable() ? O_CREAT | O_RDWR : O_RDONLY, writable() ? 0644 : 0444);
+#else
+ int fd = ::open (_path.c_str(), writable() ? O_CREAT | O_RDWR : O_RDONLY, writable() ? 0644 : 0444);
+#endif
+
+ if (fd == -1) {
+ error << string_compose (
+ _ ("SndFileSource: cannot open file \"%1\" for %2"),
+ _path,
+ (writable () ? "read+write" : "reading")) << endmsg;
+ return -1;
+ }
+
+ _sndfile = sf_open_fd (fd, writable() ? SFM_RDWR : SFM_READ, &_info, true);
+
+ if (_sndfile == 0) {
+ char errbuf[1024];
sf_error_str (0, errbuf, sizeof (errbuf) - 1);
#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 << " 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;
+ sf_close (_sndfile);
+ _sndfile = 0;
return -1;
}
_length = _info.frames;
+#ifdef HAVE_RF64_RIFF
+ if (_file_is_new && _length == 0 && writable()) {
+ if (_flags & RF64_RIFF) {
+ if (sf_command (_sndfile, SFC_RF64_AUTO_DOWNGRADE, 0, 0) != SF_TRUE) {
+ char errbuf[256];
+ sf_error_str (_sndfile, errbuf, sizeof (errbuf) - 1);
+ error << string_compose (_("Cannot mark RF64 audio file for automatic downgrade to WAV: %1"), errbuf)
+ << endmsg;
+ }
+ }
+ }
+#endif
+
if (!_broadcast_info) {
_broadcast_info = new BroadcastInfo;
}
- bool bwf_info_exists = _broadcast_info->load_from_file (sf);
+ bool bwf_info_exists = _broadcast_info->load_from_file (_sndfile);
+
+ 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 (_length != 0 && !bwf_info_exists) {
_flags = Flag (_flags & ~Broadcast);
}
- if (writable()) {
- sf_command (sf, SFC_SET_UPDATE_HEADER_AUTO, 0, SF_FALSE);
+ /* Set the broadcast flag if the BWF info is already there. We need
+ * this when recovering or using existing files.
+ */
+
+ if (bwf_info_exists) {
+ _flags = Flag (_flags | Broadcast);
}
+ if (writable()) {
+ sf_command (_sndfile, 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 (_sndfile)) {
+ 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 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 ();
- }
-
+ close ();
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;
+ assert (cnt >= 0);
+
+ framecnt_t nread;
float *ptr;
- uint32_t real_cnt;
- nframes_t file_cnt;
+ framecnt_t real_cnt;
+ framepos_t file_cnt;
+
+ if (writable() && !_sndfile) {
+ /* file has not been opened yet - nothing written to it */
+ memset (dst, 0, sizeof (Sample) * cnt);
+ return cnt;
+ }
+
+ if (const_cast<SndFileSource*>(this)->open()) {
+ error << string_compose (_("could not open file %1 for reading."), _path) << endmsg;
+ return 0;
+ }
if (start > _length) {
file_cnt = cnt;
}
+ assert (file_cnt >= 0);
+
if (file_cnt != cnt) {
- nframes_t delta = cnt - file_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) {
+ if (sf_seek (_sndfile, (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.val().substr (1), errbuf) << endmsg;
}
if (_info.channels == 1) {
- nframes_t ret = sf_read_float (sf, dst, file_cnt);
- _read_data_count = ret * sizeof(float);
+ framecnt_t ret = sf_read_float (_sndfile, dst, file_cnt);
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, ret was %6)"), start, file_cnt, _name.val().substr (1), errbuf, _length, ret) << endl;
}
return ret;
}
Sample* interleave_buf = get_interleave_buffer (real_cnt);
- nread = sf_read_float (sf, interleave_buf, real_cnt);
+ nread = sf_read_float (_sndfile, interleave_buf, real_cnt);
ptr = interleave_buf + _channel;
nread /= _info.channels;
/* stride through the interleaved data */
- for (int32_t n = 0; n < nread; ++n) {
+ for (framecnt_t n = 0; n < nread; ++n) {
dst[n] = *ptr;
ptr += _info.channels;
}
- _read_data_count = cnt * sizeof(float);
-
return nread;
}
-nframes_t
-SndFileSource::write_unlocked (Sample *data, nframes_t cnt)
+framecnt_t
+SndFileSource::write_unlocked (Sample *data, framecnt_t cnt)
{
+ if (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;
if (_info.channels != 1) {
fatal << string_compose (_("programming error: %1 %2"), X_("SndFileSource::write called on non-mono file"), _path) << endmsg;
- /*NOTREACHED*/
+ abort(); /*NOTREACHED*/
return 0;
}
- nframes_t oldlen;
- int32_t frame_pos = _length;
+ framepos_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, true);
+ compute_and_write_peaks (data, frame_pos, cnt, true, 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;
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) {
}
}
- 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, true);
+ compute_and_write_peaks (data, file_pos, cnt, true, true);
}
file_pos += cnt;
}
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 (_sndfile == 0) {
+ error << string_compose (_("could not allocate file %1 to write header"), _path) << endmsg;
+ return -1;
+ }
+
+ int const r = sf_command (_sndfile, SFC_UPDATE_HEADER_NOW, 0, 0) != SF_TRUE;
+
+ return r;
+}
+
+void
+SndFileSource::flush ()
+{
+ if (!writable()) {
+ warning << string_compose (_("attempt to flush a non-writable audio file source (%1)"), _path) << endmsg;
+ return;
+ }
+
+ if (_sndfile == 0) {
+ error << string_compose (_("could not allocate file %1 to flush contents"), _path) << endmsg;
+ return;
+ }
+
+ // Hopefully everything OK
+ sf_write_sync (_sndfile);
}
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 (!(_flags & Broadcast)) {
+ if (!_sndfile) {
+ warning << string_compose (_("attempt to set BWF info for an un-opened audio file source (%1)"), _path) << endmsg;
+ return -1;
+ }
+
+ if (!(_flags & Broadcast) || !_broadcast_info) {
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)) {
- 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 0;
}
if (!(_flags & Broadcast)) {
return;
}
+ assert (_broadcast_info);
_broadcast_info->set_time_reference (_timeline_position);
- if (!_broadcast_info->write_to_file (sf)) {
+ if (_sndfile == 0 || !_broadcast_info->write_to_file (_sndfile)) {
error << string_compose (_("cannot set broadcast info for audio file %1 (%2); dropping broadcast info for this file"),
_path, _broadcast_info->get_error())
<< endmsg;
}
}
-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) {
+ if (_sndfile == 0 || sf_seek (_sndfile, 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;
return 0;
}
- if (sf_writef_float (sf, data, cnt) != (ssize_t) cnt) {
+ if (sf_writef_float (_sndfile, data, cnt) != (ssize_t) cnt) {
return 0;
}
return cnt;
}
-sframes_t
+framepos_t
SndFileSource::natural_position() const
{
return _timeline_position;
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) {
}
}
-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 */
} 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) {
+ for (framecnt_t n = 0; n < xfade; ++n) {
xfade_buf[n] = (xfade_buf[n] * out[n]) + (fade_data[n] * in[n]);
}
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.
*/
- 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;
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];
+ if (path.empty() || Glib::file_test(path, Glib::FILE_TEST_IS_DIR)) {
+ return false;
+ }
+
+#ifdef PLATFORM_WINDOWS
+ int fd = g_open (path.c_str(), O_RDONLY, 0444);
+#else
+ int fd = ::open (path.c_str(), O_RDONLY, 0444);
+#endif
+
+ if (fd == -1) {
+ error << string_compose ( _("SndFileSource: cannot open file \"%1\" for reading"), path)
+ << endmsg;
+ return false;
+ }
+ if ((sf = sf_open_fd (fd, SFM_READ, &sf_info, true)) == 0) {
+ char errbuf[1024];
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));
+
+ 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);
+}
+
projects / ardour.git / blobdiff