Merged with trunk R1612.
[ardour.git] / libs / ardour / sndfilesource.cc
index 2885240a5193cee69a5c745ccc10d39ed9ff9322..d11afa736b6485989732f2a7179ec5cf3e3330c0 100644 (file)
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include <cerrno>
@@ -36,6 +35,7 @@
 using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
+using Glib::ustring;
 
 gain_t* SndFileSource::out_coefficient = 0;
 gain_t* SndFileSource::in_coefficient = 0;
@@ -50,18 +50,16 @@ SndFileSource::SndFileSource (Session& s, const XMLNode& node)
 {
        init ();
 
-       cerr << "SndFileSource @ " << _path << " channel = " << channel << endl;
-
        if (open()) {
                throw failed_constructor ();
        }
 }
 
-SndFileSource::SndFileSource (Session& s, string path, int chn, Flag flags)
+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)))
 {
-       channel = chn;
+       _channel = chn;
 
        init ();
 
@@ -70,7 +68,7 @@ SndFileSource::SndFileSource (Session& s, string path, int chn, Flag flags)
        }
 }
 
-SndFileSource::SndFileSource (Session& s, string path, SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
+SndFileSource::SndFileSource (Session& s, ustring path, SampleFormat sfmt, HeaderFormat hf, nframes_t rate, Flag flags)
        : AudioFileSource (s, path, flags, sfmt, hf)
 {
        int fmt = 0;
@@ -180,7 +178,7 @@ SndFileSource::SndFileSource (Session& s, string path, SampleFormat sfmt, Header
 void 
 SndFileSource::init ()
 {
-       string file;
+       ustring file;
 
        // lets try to keep the object initalizations here at the top
        xfade_buf = 0;
@@ -224,8 +222,8 @@ SndFileSource::open ()
                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;
@@ -349,7 +347,7 @@ SndFileSource::read_unlocked (Sample *dst, nframes_t start, nframes_t cnt) const
        }
        
        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 */
@@ -390,7 +388,7 @@ SndFileSource::nondestructive_write_unlocked (Sample *data, nframes_t cnt)
        
        nframes_t oldlen;
        int32_t frame_pos = _length;
-       
+
        if (write_float (data, frame_pos, cnt) != cnt) {
                return 0;
        }
@@ -399,28 +397,7 @@ SndFileSource::nondestructive_write_unlocked (Sample *data, nframes_t cnt)
        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 (), false);
+               compute_and_write_peaks (data, frame_pos, cnt, false);
        }
 
        _write_data_count = cnt;
@@ -510,32 +487,12 @@ SndFileSource::destructive_write_unlocked (Sample* data, nframes_t cnt)
 
        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);
        }
 
-       if (_build_peakfiles) {
-               queue_for_peaks (shared_from_this (), true);
-       }
+       file_pos += cnt;
        
        return cnt;
 }
@@ -630,9 +587,6 @@ SndFileSource::set_header_timeline_position ()
                delete _broadcast_info;
                _broadcast_info = 0;
        }
-
-       
-
 }
 
 nframes_t
@@ -888,7 +842,7 @@ SndFileSource::set_timeline_position (int64_t pos)
 }
 
 int
-SndFileSource::get_soundfile_info (string path, SoundFileInfo& info, string& error_msg)
+SndFileSource::get_soundfile_info (const ustring& path, SoundFileInfo& info, string& error_msg)
 {
        SNDFILE *sf;
        SF_INFO sf_info;