assert() to help find some possible causes of #2991. Fix some confusion with GTK...

[ardour.git] / libs / ardour / sndfileimportable.cc

diff --git a/libs/ardour/sndfileimportable.cc b/libs/ardour/sndfileimportable.cc
index 71d3342dbc83c509553d0192a507b244b008bbac..cc68f3ea01ebce146a7b72b13de57e898e21b8cd 100644 (file)
--- a/libs/ardour/sndfileimportable.cc
+++ b/libs/ardour/sndfileimportable.cc
@@ -1,14 +1,42 @@
 #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 ()
@@ -16,7 +44,7 @@ SndFileImportableSource::~SndFileImportableSource ()
 }
 
 nframes_t
-SndFileImportableSource::read (Sample* buffer, nframes_t nframes) 
+SndFileImportableSource::read (Sample* buffer, nframes_t nframes)
 {
        nframes_t per_channel = nframes / sf_info.channels;
        per_channel = sf_readf_float (in.get(), buffer, per_channel);
@@ -24,13 +52,13 @@ SndFileImportableSource::read (Sample* buffer, nframes_t nframes)
 }
 
 uint
-SndFileImportableSource::channels () const 
+SndFileImportableSource::channels () const
 {
        return sf_info.channels;
 }
 
 nframes_t
-SndFileImportableSource::length () const 
+SndFileImportableSource::length () const
 {
        return sf_info.frames;
 }
@@ -42,7 +70,13 @@ SndFileImportableSource::samplerate() const
 }
 
 void
-SndFileImportableSource::seek (nframes_t pos)
+SndFileImportableSource::seek (nframes_t /*pos*/)
 {
        sf_seek (in.get(), 0, SEEK_SET);
 }
+
+nframes64_t
+SndFileImportableSource::natural_position () const
+{
+       return timecode;
+}