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Diffstat (limited to 'gst/replaygain/rganalysis.h')
-rw-r--r-- | gst/replaygain/rganalysis.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gst/replaygain/rganalysis.h b/gst/replaygain/rganalysis.h new file mode 100644 index 00000000..39bf9b41 --- /dev/null +++ b/gst/replaygain/rganalysis.h @@ -0,0 +1,58 @@ +/* GStreamer ReplayGain analysis + * + * Copyright (C) 2006 Rene Stadler <mail@renestadler.de> + * Copyright (C) 2001 David Robinson <David@Robinson.org> + * Glen Sawyer <glensawyer@hotmail.com> + * + * rganalysis.h: Analyze raw audio data in accordance with ReplayGain + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __RG_ANALYSIS_H__ +#define __RG_ANALYSIS_H__ + +#include <glib.h> + +G_BEGIN_DECLS + +#define RG_REFERENCE_LEVEL 89. + +typedef struct _RgAnalysisCtx RgAnalysisCtx; + +RgAnalysisCtx *rg_analysis_new (void); +gboolean rg_analysis_set_sample_rate (RgAnalysisCtx * ctx, gint sample_rate); +void rg_analysis_analyze_mono_float (RgAnalysisCtx * ctx, gconstpointer data, + gsize size, guint depth); +void rg_analysis_analyze_stereo_float (RgAnalysisCtx * ctx, gconstpointer data, + gsize size, guint depth); +void rg_analysis_analyze_mono_int16 (RgAnalysisCtx * ctx, gconstpointer data, + gsize size, guint depth); +void rg_analysis_analyze_stereo_int16 (RgAnalysisCtx * ctx, gconstpointer data, + gsize size, guint depth); +void rg_analysis_analyze (RgAnalysisCtx * ctx, const gfloat * samples_l, + const gfloat * samples_r, guint n_samples); +gboolean rg_analysis_track_result (RgAnalysisCtx * ctx, gdouble * gain, + gdouble * peak); +gboolean rg_analysis_album_result (RgAnalysisCtx * ctx, gdouble * gain, + gdouble * peak); +void rg_analysis_reset_album (RgAnalysisCtx * ctx); +void rg_analysis_reset (RgAnalysisCtx * ctx); +void rg_analysis_destroy (RgAnalysisCtx * ctx); + +G_END_DECLS + +#endif /* __RG_ANALYSIS_H__ */ |