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59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
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/* GStreamer ReplayGain analysis
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*
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* Copyright (C) 2006 Rene Stadler <mail@renestadler.de>
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* Copyright (C) 2001 David Robinson <David@Robinson.org>
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* Glen Sawyer <glensawyer@hotmail.com>
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*
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* rganalysis.h: Analyze raw audio data in accordance with ReplayGain
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef __RG_ANALYSIS_H__
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#define __RG_ANALYSIS_H__
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#include <glib.h>
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G_BEGIN_DECLS
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#define RG_REFERENCE_LEVEL 89.
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typedef struct _RgAnalysisCtx RgAnalysisCtx;
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RgAnalysisCtx *rg_analysis_new (void);
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gboolean rg_analysis_set_sample_rate (RgAnalysisCtx * ctx, gint sample_rate);
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void rg_analysis_analyze_mono_float (RgAnalysisCtx * ctx, gconstpointer data,
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gsize size, guint depth);
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void rg_analysis_analyze_stereo_float (RgAnalysisCtx * ctx, gconstpointer data,
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gsize size, guint depth);
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void rg_analysis_analyze_mono_int16 (RgAnalysisCtx * ctx, gconstpointer data,
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gsize size, guint depth);
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void rg_analysis_analyze_stereo_int16 (RgAnalysisCtx * ctx, gconstpointer data,
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gsize size, guint depth);
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void rg_analysis_analyze (RgAnalysisCtx * ctx, const gfloat * samples_l,
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const gfloat * samples_r, guint n_samples);
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gboolean rg_analysis_track_result (RgAnalysisCtx * ctx, gdouble * gain,
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gdouble * peak);
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gboolean rg_analysis_album_result (RgAnalysisCtx * ctx, gdouble * gain,
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gdouble * peak);
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void rg_analysis_reset_album (RgAnalysisCtx * ctx);
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void rg_analysis_reset (RgAnalysisCtx * ctx);
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void rg_analysis_destroy (RgAnalysisCtx * ctx);
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G_END_DECLS
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#endif /* __RG_ANALYSIS_H__ */
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