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Diffstat (limited to 'libs/ardour/ardour/importable_source.h')
-rw-r--r-- | libs/ardour/ardour/importable_source.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libs/ardour/ardour/importable_source.h b/libs/ardour/ardour/importable_source.h new file mode 100644 index 0000000000..29742d1076 --- /dev/null +++ b/libs/ardour/ardour/importable_source.h @@ -0,0 +1,48 @@ +/* + Copyright (C) 2007 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., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef __ardour_importable_source_h__ +#define __ardour_importable_source_h__ + +#include <sndfile.h> +#include <ardour/types.h> + +namespace ARDOUR { + +class ImportableSource { + public: + ImportableSource (SNDFILE* sf, SF_INFO* info) : in (sf), sf_info (info) {} + virtual ~ImportableSource() {} + + virtual nframes_t read (Sample* buffer, nframes_t nframes) { + nframes_t per_channel = nframes / sf_info->channels; + per_channel = sf_readf_float (in, buffer, per_channel); + return per_channel * sf_info->channels; + } + + virtual float ratio() const { return 1.0f; } + +protected: + SNDFILE* in; + SF_INFO* sf_info; +}; + +} + +#endif /* __ardour_importable_source_h__ */ |