root/branches/new_fx_rack_and_sample_fun/libs/hydrogen/include/hydrogen/sample.h @ 608

/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef SAMPLE_BUFFER_H
#define SAMPLE_BUFFER_H

#include <string>

#include <hydrogen/globals.h>
#include <hydrogen/Object.h>

namespace H2Core
{

/**
\ingroup H2CORE
*/
class Sample : public Object
{
public:
        Sample( unsigned frames,
                const QString& filename, 
                float* data_L = NULL,
                float* data_R = NULL,
                bool sample_is_modified = false,
                const QString& sample_mode = "normal",
                unsigned start_frame = -1,
                unsigned loop_frame = -1,
                int repeats = -1,
                unsigned end_frame = -1,
                unsigned fade_out_startframe = -1,
                int fade_out_type = -1);
                

        ~Sample();

        float* get_data_l() {
                return __data_l;
        }
        float* get_data_r() {
                return __data_r;
        }

        unsigned get_sample_rate() {
                return __sample_rate;
        }

        const QString get_filename() {
                return __filename;
        }


        /// Returns the bytes number ( 2 channels )
        unsigned get_size() {
                return __n_frames * sizeof( float ) * 2;
        }

        /// Loads a sample from disk
        static Sample* load( const QString& filename );

        unsigned get_n_frames() {
                return __n_frames;
        }

        ///beginn of sample edit 

        void set_sample_is_modified( bool is_modified ) {
                __sample_is_modified = is_modified;
        }
        bool get_sample_is_modified() const {
                return __sample_is_modified;
        }

        void set_sample_mode( QString sample_mode ) {
                __sample_mode = sample_mode;
        }
        QString get_sample_mode() const {
                return __sample_mode;
        }

        void set_start_frame( unsigned start_frame ) {
                __start_frame = start_frame;
        }
        unsigned get_start_frame() const {
                return __start_frame;
        }

        void set_loop_frame( unsigned loop_frame ) {
                 __loop_frame = loop_frame;
        }
        unsigned get_loop_frame() const {
                return __loop_frame;
        }

        void set_repeats( int repeats ) {
                __repeats = repeats;
        }
        int get_repeats() const {
                return __repeats;
        }

        void set_end_frame( unsigned end_frame ) {
                __end_frame = end_frame;
        }
        unsigned get_end_frame() const {
                return __end_frame;
        }

        void set_fade_out_startframe( unsigned fade_out_startframe ) {
                __fade_out_startframe = fade_out_startframe;
        }
        unsigned get_fade_out_startframe() const {
                return __fade_out_startframe;
        }

        void set_fade_out_type( int fade_out_type ) {
                __fade_out_type = fade_out_type;
        }
        int get_fade_out_type() const {
                return __fade_out_type;
        }


        void sampleEditProzess( Sample* Sample );

private:
        float *__data_l;        ///< Left channel data
        float *__data_r;        ///< Right channel data

        unsigned __sample_rate;         ///< samplerate for this sample
        QString __filename;             ///< filename associated with this sample
        unsigned __n_frames;            ///< Total number of frames in this sample.
        bool __sample_is_modified;      ///< true if sample is modified
        QString __sample_mode;          ///< loop mode
        unsigned __start_frame;         ///< start frame
        unsigned __loop_frame;          ///< beginn of the loop section
        int __repeats;                  ///< repeats from the loop section
        unsigned __end_frame;           ///< sample end frame
        unsigned __fade_out_startframe; ///< start frame for fade out
        int __fade_out_type;            ///< fade out type 1=lin, 2=log

        //static int __total_used_bytes;

        /// loads a wave file
        static Sample* load_wave( const QString& filename );

        /// loads a FLAC file
        static Sample* load_flac( const QString& filename );
};

};

#endif