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129c7e8af1
Original commit message from CVS: * configure.ac: Remove idct and resample libs * gst-libs/gst/Makefile.am: same Remove usage of gst_library_load(): * ext/alsa/gstalsaplugin.c: (plugin_init): * ext/libvisual/visual.c: (plugin_init): * ext/ogg/gstogg.c: (plugin_init): * ext/theora/theora.c: (plugin_init): * ext/vorbis/vorbis.c: (plugin_init): * gst-libs/gst/audio/gstaudiofiltertemplate.c: (plugin_init): * gst/audioscale/gstaudioscale.c: * gst/adder/gstadder.c: (plugin_init): * gst/audioconvert/plugin.c: (plugin_init): * sys/ximage/ximagesink.c: (plugin_init): * sys/xvimage/xvimagesink.c: (plugin_init): * gst/tcp/gsttcpplugin.c: (plugin_init): Link plugins against libraries: * ext/ogg/Makefile.am: * ext/theora/Makefile.am: * ext/vorbis/Makefile.am: * gst/audioconvert/Makefile.am: Create proper libraries: * gst-libs/gst/riff/Makefile.am: * gst-libs/gst/audio/Makefile.am: * gst-libs/gst/video/Makefile.am: Move resample library to audioscale plugin directory: * gst-libs/gst/resample/Makefile.am: * gst-libs/gst/resample/README: * gst-libs/gst/resample/dtof.c: * gst-libs/gst/resample/dtos.c: * gst-libs/gst/resample/functable.c: * gst-libs/gst/resample/private.h: * gst-libs/gst/resample/resample.c: * gst-libs/gst/resample/resample.h: * gst-libs/gst/resample/resample.vcproj: * gst-libs/gst/resample/test.c: * gst/audioscale/Makefile.am: * gst/audioscale/README: * gst/audioscale/dtof.c: * gst/audioscale/dtos.c: * gst/audioscale/functable.c: * gst/audioscale/private.h: * gst/audioscale/resample.c: * gst/audioscale/resample.h: * gst/audioscale/test.c: Move tagedit library to gst-libs: * gst-libs/gst/tag/Makefile.am: * gst-libs/gst/tag/gstid3tag.c: * gst-libs/gst/tag/gsttagediting.c: * gst-libs/gst/tag/gsttageditingprivate.h: * gst-libs/gst/tag/gstvorbistag.c: * gst/tags/Makefile.am: * gst/tags/gstid3tag.c: * gst/tags/gstvorbistag.c: Fix for core changes: * gst/sine/gstsinesrc.c: (gst_sinesrc_class_init), (gst_sinesrc_init), (gst_sinesrc_src_fixate), (gst_sinesrc_link), (gst_sinesrc_getrange):
111 lines
2.2 KiB
C
111 lines
2.2 KiB
C
/* Resampling library
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* Copyright (C) <2001> David Schleef <ds@schleef.org>
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_RESAMPLE_H__
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#define __GST_RESAMPLE_H__
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#include <glib.h>
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G_BEGIN_DECLS
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typedef enum {
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GST_RESAMPLE_NEAREST = 0,
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GST_RESAMPLE_BILINEAR,
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GST_RESAMPLE_SINC_SLOW,
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GST_RESAMPLE_SINC,
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} gst_resample_method;
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typedef enum {
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GST_RESAMPLE_S16 = 0,
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GST_RESAMPLE_FLOAT
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} gst_resample_format;
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typedef struct gst_resample_s gst_resample_t;
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struct gst_resample_s {
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/* parameters */
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gst_resample_method method;
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int channels;
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int verbose;
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gst_resample_format format;
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int filter_length;
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double i_rate;
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double o_rate;
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void *priv;
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void *(*get_buffer)(void *priv, unsigned int size);
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/* internal parameters */
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double halftaps;
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/* filter state */
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void *buffer;
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int buffer_len;
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double i_start;
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double o_start;
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double i_start_buf;
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double i_end_buf;
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double i_inc;
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double o_inc;
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double i_end;
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double o_end;
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int i_samples;
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int o_samples;
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void *i_buf, *o_buf;
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double acc[2];
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union {
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struct {
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double *out_tmp;
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int out_tmp_len;
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} s;
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double padding[8];
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} hack_union;
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/* methods */
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void (*scale)(gst_resample_t *r);
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double ack;
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};
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void gst_resample_init(gst_resample_t *r);
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void gst_resample_reinit(gst_resample_t *r);
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void gst_resample_close (gst_resample_t * r);
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void gst_resample_scale(gst_resample_t *r, void *i_buf, unsigned int size);
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G_END_DECLS
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#endif /* __GST_RESAMPLE_H__ */
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