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/*
Copyright (C) 2000 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.
$Id$
*/
#ifndef __playlist_const_buffer_h__
#define __playlist_const_buffer_h__
#include <string>
#include <cstdlib>
#include "edl.h"
namespace EDL {
class ConstSource : public Source {
public:
ConstSource (const gchar *id) {
_type = Source::Const;
value = strtod (id, 0);
strncpy (idstr, id, 15);
idstr[15] = '\0';
}
const gchar * const id() { return idstr; }
uint32_t length() { return ~0U; }
uint32_t read (Source::Data *dst, uint32_t start, uint32_t cnt) {
uint32_t n = cnt;
while (n--) *dst++ = value;
return cnt;
}
void peak (guint8 *max, guint8 *min, uint32_t start, uint32_t cnt) {
*max = *min = (guint8) value;
}
private:
Source::Data value;
gchar idstr[16];
};
}; /* namespace EDL */
#endif /* __playlist_const_buffer_h__ */
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