along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <cerrno>
#include <sys/stat.h>
#include <glibmm/miscutils.h>
-
+#include <glibmm/thread.h>
#include <ardour/sndfilesource.h>
-
+#include <ardour/sndfile_helpers.h>
#include <ardour/utils.h>
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
+using Glib::ustring;
gain_t* SndFileSource::out_coefficient = 0;
gain_t* SndFileSource::in_coefficient = 0;
AudioFileSource::RemovableIfEmpty|
AudioFileSource::CanRename);
+struct SizedSampleBuffer {
+ nframes_t size;
+ Sample* buf;
+
+ SizedSampleBuffer (nframes_t sz) : size (sz) {
+ buf = new Sample[size];
+ }
+
+ ~SizedSampleBuffer() {
+ delete [] buf;
+ }
+};
+
+Glib::StaticPrivate<SizedSampleBuffer> thread_interleave_buffer = GLIBMM_STATIC_PRIVATE_INIT;
+
SndFileSource::SndFileSource (Session& s, const XMLNode& node)
: AudioFileSource (s, node)
{
- init (_name);
+ init ();
if (open()) {
throw failed_constructor ();
}
}
-SndFileSource::SndFileSource (Session& s, string idstr, Flag flags)
- /* files created this way are never writable or removable */
- : AudioFileSource (s, idstr, Flag (flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy)))
+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)))
{
- init (idstr);
+ _channel = chn;
+
+ init ();
if (open()) {
throw failed_constructor ();
}
}
-SndFileSource::SndFileSource (Session& s, string idstr, SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
- : AudioFileSource (s, idstr, flags, sfmt, hf)
+SndFileSource::SndFileSource (Session& s, ustring path, SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
+ : AudioFileSource (s, path, flags, sfmt, hf)
{
int fmt = 0;
- init (idstr);
+ init ();
/* this constructor is used to construct new files, not open
existing ones.
case FormatInt24:
fmt |= SF_FORMAT_PCM_24;
break;
+
+ case FormatInt16:
+ fmt |= SF_FORMAT_PCM_16;
+ break;
}
_info.channels = 1;
}
void
-SndFileSource::init (string idstr)
+SndFileSource::init ()
{
- string::size_type pos;
- string file;
+ ustring file;
// 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;
- string tmp_name;
-
- if ((pos = idstr.find_last_of (':')) == string::npos) {
- channel = 0;
- tmp_name = idstr;
- } else {
- channel = atoi (idstr.substr (pos+1).c_str());
- tmp_name = idstr.substr (0, pos);
- }
-
if (is_embedded()) {
- _name = tmp_name;
+ _name = _path;
} else {
- _name = Glib::path_get_basename (tmp_name);
+ _name = Glib::path_get_basename (_path);
}
/* although libsndfile says we don't need to set this,
_capture_end = false;
file_pos = 0;
- if (destructive()) {
+ if (destructive()) {
xfade_buf = new Sample[xfade_frames];
timeline_position = header_position_offset;
}
return -1;
}
- if (channel >= _info.channels) {
- error << string_compose(_("SndFileSource: file only contains %1 channels; %2 is invalid as a channel number"), _info.channels, channel) << endmsg;
+ if (_channel >= _info.channels) {
+ 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;
return -1;
_broadcast_info = new SF_BROADCAST_INFO;
memset (_broadcast_info, 0, sizeof (*_broadcast_info));
- /* lookup broadcast info */
-
- if (sf_command (sf, SFC_GET_BROADCAST_INFO, _broadcast_info, sizeof (*_broadcast_info)) != SF_TRUE) {
-
- /* if the file has data but no broadcast info, then clearly, there is no broadcast info */
-
- if (_length) {
- delete _broadcast_info;
- _broadcast_info = 0;
- _flags = Flag (_flags & ~Broadcast);
- }
+ bool timecode_info_exists;
- set_timeline_position (header_position_offset);
-
- } else {
-
- /* XXX 64 bit alert: when JACK switches to a 64 bit frame count, this needs to use the high bits
- of the time reference.
- */
+ set_timeline_position (get_timecode_info (sf, _broadcast_info, timecode_info_exists));
- set_timeline_position ( _broadcast_info->time_reference_low );
+ if (!timecode_info_exists) {
+ delete _broadcast_info;
+ _broadcast_info = 0;
+ _flags = Flag (_flags & ~Broadcast);
}
if (writable()) {
touch_peakfile ();
}
- if (interleave_buf) {
- delete [] interleave_buf;
- }
-
if (_broadcast_info) {
delete _broadcast_info;
}
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;
+ ptr = interleave_buf + _channel;
nread /= _info.channels;
/* stride through the interleaved data */
SndFileSource::nondestructive_write_unlocked (Sample *data, nframes_t cnt)
{
if (!writable()) {
+ warning << string_compose (_("attempt to write a non-writable audio file source (%1)"), _path) << endmsg;
return 0;
}
nframes_t oldlen;
int32_t frame_pos = _length;
-
+
if (write_float (data, frame_pos, cnt) != cnt) {
return 0;
}
update_length (oldlen, cnt);
if (_build_peakfiles) {
- PeakBuildRecord *pbr = 0;
-
- if (pending_peak_builds.size()) {
- pbr = pending_peak_builds.back();
- }
-
- if (pbr && pbr->frame + pbr->cnt == oldlen) {
-
- /* the last PBR extended to the start of the current write,
- so just extend it again.
- */
-
- pbr->cnt += cnt;
- } else {
- pending_peak_builds.push_back (new PeakBuildRecord (oldlen, cnt));
- }
-
- _peaks_built = false;
- }
-
-
- if (_build_peakfiles) {
- queue_for_peaks (shared_from_this ());
+ compute_and_write_peaks (data, frame_pos, cnt, false, true);
}
_write_data_count = 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;
}
old_file_pos = file_pos;
update_length (file_pos, cnt);
- file_pos += cnt;
if (_build_peakfiles) {
- PeakBuildRecord *pbr = 0;
-
- if (pending_peak_builds.size()) {
- pbr = pending_peak_builds.back();
- }
-
- if (pbr && pbr->frame + pbr->cnt == old_file_pos) {
-
- /* the last PBR extended to the start of the current write,
- so just extend it again.
- */
-
- pbr->cnt += cnt;
- } else {
- pending_peak_builds.push_back (new PeakBuildRecord (old_file_pos, cnt));
- }
-
- _peaks_built = false;
+ compute_and_write_peaks (data, file_pos, cnt, false, true);
}
- if (_build_peakfiles) {
- queue_for_peaks (shared_from_this ());
- }
+ file_pos += cnt;
return cnt;
}
SndFileSource::flush_header ()
{
if (!writable() || (sf == 0)) {
+ 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);
SndFileSource::setup_broadcast_info (nframes_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;
}
return;
}
- _broadcast_info->time_reference_high = (timeline_position >> 32);
- _broadcast_info->time_reference_low = (timeline_position & 0xffffffff);
+ _broadcast_info->time_reference_high = (timeline_position >> 32);
+ _broadcast_info->time_reference_low = (timeline_position & 0xffffffff);
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;
delete _broadcast_info;
_broadcast_info = 0;
}
-
-
-
}
nframes_t
{
if (yn) {
_flags = Flag (_flags | Destructive);
+ if (!xfade_buf) {
+ xfade_buf = new Sample[xfade_frames];
+ }
clear_capture_marks ();
timeline_position = header_position_offset;
} else {
_flags = Flag (_flags & ~Destructive);
timeline_position = 0;
+ /* leave xfade buf alone in case we need it again later */
}
return true;
}
void
-SndFileSource::set_timeline_position (nframes_t pos)
+SndFileSource::set_timeline_position (int64_t pos)
{
// destructive track timeline postion does not change
// except at instantion or when header_position_offset
AudioFileSource::set_timeline_position (pos);
}
}
+
+int
+SndFileSource::get_soundfile_info (const ustring& path, SoundFileInfo& info, string& error_msg)
+{
+ SNDFILE *sf;
+ SF_INFO sf_info;
+ SF_BROADCAST_INFO binfo;
+ bool timecode_exists;
+
+ 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];
+ 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);
+
+ 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)
+{
+ 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;
+}
+
+bool
+SndFileSource::one_of_several_channels () const
+{
+ return _info.channels > 1;
+}
+
+Sample*
+SndFileSource::get_interleave_buffer (nframes_t size)
+{
+ SizedSampleBuffer* ssb;
+
+ if ((ssb = thread_interleave_buffer.get()) == 0) {
+ ssb = new SizedSampleBuffer (size);
+ thread_interleave_buffer.set (ssb);
+ }
+
+ if (ssb->size < size) {
+ ssb = new SizedSampleBuffer (size);
+ thread_interleave_buffer.set (ssb);
+ }
+
+ return ssb->buf;
+}
projects / ardour.git / blobdiff