#include "ardour/sndfileimportable.h"
#include <sndfile.h>
#include <iostream>
+#include <cstring>
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;
+ }
+
+ exists = true;
+ int64_t ret = (uint32_t) binfo->time_reference_high;
+ ret <<= 32;
+ ret |= (uint32_t) binfo->time_reference_low;
+ return ret;
+}
+
SndFileImportableSource::SndFileImportableSource (const string& path)
- : in (sf_open (path.c_str(), SFM_READ, &sf_info), sf_close)
{
+ memset(&sf_info, 0 , sizeof(sf_info));
+ in.reset( sf_open(path.c_str(), SFM_READ, &sf_info), 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);
+}