mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-08 18:39:54 +00:00
81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
|
/* GStreamer
|
||
|
|
* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.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 (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
|
||
|
|
* 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 __SPEEX_RESAMPLER_WRAPPER_H__
|
||
|
|
#define __SPEEX_RESAMPLER_WRAPPER_H__
|
||
|
|
|
||
|
|
#define SPEEX_RESAMPLER_QUALITY_MAX 10
|
||
|
|
#define SPEEX_RESAMPLER_QUALITY_MIN 0
|
||
|
|
#define SPEEX_RESAMPLER_QUALITY_DEFAULT 4
|
||
|
|
#define SPEEX_RESAMPLER_QUALITY_VOIP 3
|
||
|
|
#define SPEEX_RESAMPLER_QUALITY_DESKTOP 5
|
||
|
|
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
RESAMPLER_ERR_SUCCESS = 0,
|
||
|
|
RESAMPLER_ERR_ALLOC_FAILED = 1,
|
||
|
|
RESAMPLER_ERR_BAD_STATE = 2,
|
||
|
|
RESAMPLER_ERR_INVALID_ARG = 3,
|
||
|
|
RESAMPLER_ERR_PTR_OVERLAP = 4,
|
||
|
|
|
||
|
|
RESAMPLER_ERR_MAX_ERROR
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct SpeexResamplerState_ SpeexResamplerState;
|
||
|
|
|
||
|
|
SpeexResamplerState *resample_float_resampler_init (guint32 nb_channels,
|
||
|
|
guint32 in_rate, guint32 out_rate, gint quality, gint * err);
|
||
|
|
SpeexResamplerState *resample_int_resampler_init (guint32 nb_channels,
|
||
|
|
guint32 in_rate, guint32 out_rate, gint quality, gint * err);
|
||
|
|
|
||
|
|
#define resample_resampler_destroy resample_int_resampler_destroy
|
||
|
|
void resample_resampler_destroy (SpeexResamplerState * st);
|
||
|
|
|
||
|
|
int resample_float_resampler_process_interleaved_float (SpeexResamplerState *
|
||
|
|
st, const gfloat * in, guint32 * in_len, gfloat * out, guint32 * out_len);
|
||
|
|
int resample_int_resampler_process_interleaved_int (SpeexResamplerState * st,
|
||
|
|
const gint16 * in, guint32 * in_len, gint16 * out, guint32 * out_len);
|
||
|
|
|
||
|
|
int resample_float_resampler_set_rate (SpeexResamplerState * st,
|
||
|
|
guint32 in_rate, guint32 out_rate);
|
||
|
|
int resample_int_resampler_set_rate (SpeexResamplerState * st,
|
||
|
|
guint32 in_rate, guint32 out_rate);
|
||
|
|
|
||
|
|
void resample_float_resampler_get_rate (SpeexResamplerState * st,
|
||
|
|
guint32 * in_rate, guint32 * out_rate);
|
||
|
|
void resample_int_resampler_get_rate (SpeexResamplerState * st,
|
||
|
|
guint32 * in_rate, guint32 * out_rate);
|
||
|
|
|
||
|
|
void resample_float_resampler_get_ratio (SpeexResamplerState * st,
|
||
|
|
guint32 * ratio_num, guint32 * ratio_den);
|
||
|
|
void resample_int_resampler_get_ratio (SpeexResamplerState * st,
|
||
|
|
guint32 * ratio_num, guint32 * ratio_den);
|
||
|
|
|
||
|
|
int resample_float_resampler_set_quality (SpeexResamplerState * st,
|
||
|
|
gint quality);
|
||
|
|
int resample_int_resampler_set_quality (SpeexResamplerState * st, gint quality);
|
||
|
|
|
||
|
|
int resample_float_resampler_reset_mem (SpeexResamplerState * st);
|
||
|
|
int resample_int_resampler_reset_mem (SpeexResamplerState * st);
|
||
|
|
|
||
|
|
#define resample_resampler_strerror resample_int_resampler_strerror
|
||
|
|
const char *resample_resampler_strerror (gint err);
|
||
|
|
|
||
|
|
#endif /* __SPEEX_RESAMPLER_WRAPPER_H__ */
|