From 30c429a21490c7580f5939bca5ff2acc8f955d6c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ren=C3=A9=20Stadler?= Date: Fri, 6 Oct 2006 15:56:01 +0000 Subject: Add ReplayGain analysis element (#357069). MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Original commit message from CVS: Patch by: René Stadler * configure.ac: * docs/plugins/Makefile.am: * docs/plugins/gst-plugins-bad-plugins-docs.sgml: * docs/plugins/gst-plugins-bad-plugins-sections.txt: * gst/replaygain/Makefile.am: * gst/replaygain/gstrganalysis.c: (gst_rg_analysis_base_init), (gst_rg_analysis_class_init), (gst_rg_analysis_init), (gst_rg_analysis_set_property), (gst_rg_analysis_get_property), (gst_rg_analysis_start), (gst_rg_analysis_set_caps), (gst_rg_analysis_transform_ip), (gst_rg_analysis_event), (gst_rg_analysis_stop), (gst_rg_analysis_handle_tags), (gst_rg_analysis_handle_eos), (gst_rg_analysis_track_result), (gst_rg_analysis_album_result), (plugin_init): * gst/replaygain/gstrganalysis.h: * gst/replaygain/rganalysis.c: (yule_filter), (butter_filter), (apply_filters), (reset_filters), (accumulator_add), (accumulator_clear), (accumulator_result), (rg_analysis_new), (rg_analysis_set_sample_rate), (rg_analysis_destroy), (rg_analysis_analyze_mono_float), (rg_analysis_analyze_stereo_float), (rg_analysis_analyze_mono_int16), (rg_analysis_analyze_stereo_int16), (rg_analysis_analyze), (rg_analysis_track_result), (rg_analysis_album_result), (rg_analysis_reset_album), (rg_analysis_reset): * gst/replaygain/rganalysis.h: Add ReplayGain analysis element (#357069). * tests/check/Makefile.am: * tests/check/elements/.cvsignore: * tests/check/elements/rganalysis.c: (get_expected_gain), (setup_rganalysis), (cleanup_rganalysis), (set_playing_state), (send_eos_event), (send_tag_event), (poll_eos), (poll_tags), (fail_unless_track_gain), (fail_unless_track_peak), (fail_unless_album_gain), (fail_unless_album_peak), (fail_if_track_tags), (fail_if_album_tags), (fail_unless_num_tracks), (test_buffer_const_float_mono), (test_buffer_const_float_stereo), (test_buffer_const_int16_mono), (test_buffer_const_int16_stereo), (test_buffer_square_float_mono), (test_buffer_square_float_stereo), (test_buffer_square_int16_mono), (test_buffer_square_int16_stereo), (push_buffer), (GST_START_TEST), (rganalysis_suite), (main): Unit tests for the new replaygain element. --- gst/replaygain/rganalysis.h | 58 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 gst/replaygain/rganalysis.h (limited to 'gst/replaygain/rganalysis.h') 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 + * Copyright (C) 2001 David Robinson + * Glen Sawyer + * + * 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 + +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__ */ -- cgit v1.2.1