1 #include "ardour/sndfileimportable.h"
6 using namespace ARDOUR;
9 /* FIXME: this was copied from sndfilesource.cc, at some point these should be merged */
11 SndFileImportableSource::get_timecode_info (SNDFILE* sf, SF_BROADCAST_INFO* binfo, bool& exists)
13 if (sf_command (sf, SFC_GET_BROADCAST_INFO, binfo, sizeof (*binfo)) != SF_TRUE) {
19 int64_t ret = (uint32_t) binfo->time_reference_high;
21 ret |= (uint32_t) binfo->time_reference_low;
25 SndFileImportableSource::SndFileImportableSource (const string& path)
27 memset(&sf_info, 0 , sizeof(sf_info));
28 in.reset( sf_open(path.c_str(), SFM_READ, &sf_info), sf_close);
29 if (!in) throw failed_constructor();
31 SF_BROADCAST_INFO binfo;
34 memset (&binfo, 0, sizeof (binfo));
35 timecode = get_timecode_info (in.get(), &binfo, timecode_exists);
37 if (!timecode_exists) {
42 SndFileImportableSource::~SndFileImportableSource ()
47 SndFileImportableSource::read (Sample* buffer, nframes_t nframes)
49 nframes_t per_channel = nframes / sf_info.channels;
50 per_channel = sf_readf_float (in.get(), buffer, per_channel);
51 return per_channel * sf_info.channels;
55 SndFileImportableSource::channels () const
57 return sf_info.channels;
61 SndFileImportableSource::length () const
63 return sf_info.frames;
67 SndFileImportableSource::samplerate() const
69 return sf_info.samplerate;
73 SndFileImportableSource::seek (nframes_t /*pos*/)
75 sf_seek (in.get(), 0, SEEK_SET);
79 SndFileImportableSource::natural_position () const