-#include <ardour/sndfileimportable.h>
+/*
+ Copyright (C) 2000,2015 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+*/
+
#include <sndfile.h>
+#include <iostream>
+#include <cstring>
+#include <fcntl.h>
+
+#include <glib.h>
+#include "pbd/gstdio_compat.h"
+
+
+#include "pbd/error.h"
+#include "ardour/sndfileimportable.h"
+
+#include <glibmm/convert.h>
using namespace ARDOUR;
using namespace std;
+/* FIXME: this was copied from sndfilesource.cc, at some point these should be merged */
+int64_t
+SndFileImportableSource::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 0;
+ }
+
+ /* see http://tracker.ardour.org/view.php?id=6208
+ * 0xffffffff 0xfffc5680
+ * seems to be a bug in Presonus Capture (which generated the file)
+ *
+ * still since framepos_t is a signed int, ignore files that could
+ * lead to negative timestamps for now.
+ */
+
+ if (binfo->time_reference_high & 0x80000000) {
+ char tmp[64];
+ snprintf(tmp, sizeof(tmp), "%x%08x", binfo->time_reference_high, binfo->time_reference_low);
+ PBD::warning << "Invalid Timestamp " << tmp << endmsg;
+ exists = false;
+ return 0;
+ }
+
+ exists = true;
+ /* libsndfile reads eactly 4 bytes for high and low, but
+ * uses "unsigned int" which may or may not be 32 bit little
+ * endian.
+ */
+ int64_t ret = (uint32_t) (binfo->time_reference_high & 0x7fffffff);
+ ret <<= 32;
+ ret |= (uint32_t) (binfo->time_reference_low & 0xffffffff);
+
+ assert(ret >= 0);
+ return ret;
+}
+
SndFileImportableSource::SndFileImportableSource (const string& path)
- : in (sf_open (path.c_str(), SFM_READ, &sf_info), sf_close)
{
+ int fd = g_open (path.c_str (), O_RDONLY, 0444);
+ if (fd == -1) {
+ throw failed_constructor ();
+ }
+ memset(&sf_info, 0 , sizeof(sf_info));
+ in.reset (sf_open_fd (fd, SFM_READ, &sf_info, true), sf_close);
if (!in) throw failed_constructor();
+
+ SF_BROADCAST_INFO binfo;
+ bool timecode_exists;
+
+ memset (&binfo, 0, sizeof (binfo));
+ timecode = get_timecode_info (in.get(), &binfo, timecode_exists);
+
+ if (!timecode_exists) {
+ timecode = 0;
+ }
}
SndFileImportableSource::~SndFileImportableSource ()
{
}
-nframes_t
-SndFileImportableSource::read (Sample* buffer, nframes_t nframes)
+framecnt_t
+SndFileImportableSource::read (Sample* buffer, framecnt_t nframes)
{
- nframes_t per_channel = nframes / sf_info.channels;
+ framecnt_t per_channel = nframes / sf_info.channels;
per_channel = sf_readf_float (in.get(), buffer, per_channel);
return per_channel * sf_info.channels;
}
-uint
-SndFileImportableSource::channels () const
+uint32_t
+SndFileImportableSource::channels () const
{
return sf_info.channels;
}
-nframes_t
-SndFileImportableSource::length () const
+framecnt_t
+SndFileImportableSource::length () const
{
- return sf_info.frames;
+ return (framecnt_t) sf_info.frames;
}
-nframes_t
-SndFileImportableSource::samplerate() const
+framecnt_t
+SndFileImportableSource::samplerate () const
{
return sf_info.samplerate;
}
void
-SndFileImportableSource::seek (nframes_t pos)
+SndFileImportableSource::seek (framepos_t /*pos*/)
{
sf_seek (in.get(), 0, SEEK_SET);
}
+
+framepos_t
+SndFileImportableSource::natural_position () const
+{
+ return (framepos_t) timecode;
+}
+
+bool
+SndFileImportableSource::clamped_at_unity () const
+{
+ int const type = sf_info.format & SF_FORMAT_TYPEMASK;
+ int const sub = sf_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);
+}