mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 12:11:13 +00:00
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
|
|
* Copyright (C) <2001> David Schleef <ds@schleef.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
|
|
#ifndef __GST_RESAMPLE_H__
|
|
#define __GST_RESAMPLE_H__
|
|
|
|
#include <glib.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef enum {
|
|
GST_RESAMPLE_NEAREST = 0,
|
|
GST_RESAMPLE_BILINEAR,
|
|
GST_RESAMPLE_SINC_SLOW,
|
|
GST_RESAMPLE_SINC,
|
|
} gst_resample_method;
|
|
|
|
typedef enum {
|
|
GST_RESAMPLE_S16 = 0,
|
|
GST_RESAMPLE_FLOAT
|
|
} gst_resample_format;
|
|
|
|
typedef struct gst_resample_s gst_resample_t;
|
|
|
|
struct gst_resample_s {
|
|
/* parameters */
|
|
|
|
gst_resample_method method;
|
|
int channels;
|
|
int verbose;
|
|
gst_resample_format format;
|
|
|
|
int filter_length;
|
|
|
|
double i_rate;
|
|
double o_rate;
|
|
|
|
void *priv;
|
|
|
|
void *(*get_buffer)(void *priv, unsigned int size);
|
|
|
|
/* internal parameters */
|
|
|
|
double halftaps;
|
|
|
|
/* filter state */
|
|
|
|
void *buffer;
|
|
int buffer_len;
|
|
|
|
double i_start;
|
|
double o_start;
|
|
|
|
double i_start_buf;
|
|
double i_end_buf;
|
|
|
|
double i_inc;
|
|
double o_inc;
|
|
|
|
double i_end;
|
|
double o_end;
|
|
|
|
int i_samples;
|
|
int o_samples;
|
|
|
|
void *i_buf, *o_buf;
|
|
|
|
double acc[2];
|
|
union {
|
|
struct {
|
|
double *out_tmp;
|
|
int out_tmp_len;
|
|
} s;
|
|
double padding[8];
|
|
} hack_union;
|
|
|
|
/* methods */
|
|
void (*scale)(gst_resample_t *r);
|
|
|
|
double ack;
|
|
|
|
};
|
|
|
|
void gst_resample_init(gst_resample_t *r);
|
|
|
|
void gst_resample_reinit(gst_resample_t *r);
|
|
|
|
void gst_resample_close (gst_resample_t * r);
|
|
|
|
void gst_resample_scale(gst_resample_t *r, void *i_buf, unsigned int size);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_RESAMPLE_H__ */
|