mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 15:51:11 +00:00
192 lines
8.2 KiB
C
192 lines
8.2 KiB
C
/* GStreamer
|
|
* Copyright (C) 2007-2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, 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
|
|
|
|
#define SPEEX_RESAMPLER_SINC_FILTER_DEFAULT SPEEX_RESAMPLER_SINC_FILTER_AUTO
|
|
#define SPEEX_RESAMPLER_SINC_FILTER_AUTO_THRESHOLD_DEFAULT (1 * 1048576)
|
|
|
|
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 enum {
|
|
SPEEX_RESAMPLER_SINC_FILTER_INTERPOLATED = 0,
|
|
SPEEX_RESAMPLER_SINC_FILTER_FULL = 1,
|
|
SPEEX_RESAMPLER_SINC_FILTER_AUTO = 2
|
|
} SpeexResamplerSincFilterMode;
|
|
|
|
typedef struct SpeexResamplerState_ SpeexResamplerState;
|
|
|
|
typedef struct {
|
|
SpeexResamplerState *(*init) (guint32 nb_channels,
|
|
guint32 in_rate, guint32 out_rate, gint quality,
|
|
SpeexResamplerSincFilterMode sinc_filter_mode,
|
|
guint32 sinc_filter_auto_threshold, gint * err);
|
|
void (*destroy) (SpeexResamplerState * st);
|
|
int (*process) (SpeexResamplerState *
|
|
st, const guint8 * in, guint32 * in_len, guint8 * out, guint32 * out_len);
|
|
int (*set_rate) (SpeexResamplerState * st,
|
|
guint32 in_rate, guint32 out_rate);
|
|
void (*get_rate) (SpeexResamplerState * st,
|
|
guint32 * in_rate, guint32 * out_rate);
|
|
void (*get_ratio) (SpeexResamplerState * st,
|
|
guint32 * ratio_num, guint32 * ratio_den);
|
|
int (*get_input_latency) (SpeexResamplerState * st);
|
|
int (*get_filt_len) (SpeexResamplerState * st);
|
|
int (*get_sinc_filter_mode) (SpeexResamplerState * st);
|
|
int (*set_quality) (SpeexResamplerState * st, gint quality);
|
|
int (*reset_mem) (SpeexResamplerState * st);
|
|
int (*skip_zeros) (SpeexResamplerState * st);
|
|
const char * (*strerror) (gint err);
|
|
unsigned int width;
|
|
} SpeexResampleFuncs;
|
|
|
|
SpeexResamplerState *resample_float_resampler_init (guint32 nb_channels,
|
|
guint32 in_rate, guint32 out_rate, gint quality,
|
|
SpeexResamplerSincFilterMode sinc_filter_mode,
|
|
guint32 sinc_filter_auto_threshold, gint * err);
|
|
void resample_float_resampler_destroy (SpeexResamplerState * st);
|
|
int resample_float_resampler_process_interleaved_float (SpeexResamplerState *
|
|
st, const guint8 * in, guint32 * in_len, guint8 * out, guint32 * out_len);
|
|
int resample_float_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_float_resampler_get_ratio (SpeexResamplerState * st,
|
|
guint32 * ratio_num, guint32 * ratio_den);
|
|
int resample_float_resampler_get_input_latency (SpeexResamplerState * st);
|
|
int resample_float_resampler_get_filt_len (SpeexResamplerState * st);
|
|
int resample_float_resampler_get_sinc_filter_mode (SpeexResamplerState * st);
|
|
int resample_float_resampler_set_quality (SpeexResamplerState * st, gint quality);
|
|
int resample_float_resampler_reset_mem (SpeexResamplerState * st);
|
|
int resample_float_resampler_skip_zeros (SpeexResamplerState * st);
|
|
const char * resample_float_resampler_strerror (gint err);
|
|
|
|
static const SpeexResampleFuncs float_funcs =
|
|
{
|
|
resample_float_resampler_init,
|
|
resample_float_resampler_destroy,
|
|
resample_float_resampler_process_interleaved_float,
|
|
resample_float_resampler_set_rate,
|
|
resample_float_resampler_get_rate,
|
|
resample_float_resampler_get_ratio,
|
|
resample_float_resampler_get_input_latency,
|
|
resample_float_resampler_get_filt_len,
|
|
resample_float_resampler_get_sinc_filter_mode,
|
|
resample_float_resampler_set_quality,
|
|
resample_float_resampler_reset_mem,
|
|
resample_float_resampler_skip_zeros,
|
|
resample_float_resampler_strerror,
|
|
32
|
|
};
|
|
|
|
SpeexResamplerState *resample_double_resampler_init (guint32 nb_channels,
|
|
guint32 in_rate, guint32 out_rate, gint quality,
|
|
SpeexResamplerSincFilterMode sinc_filter_mode,
|
|
guint32 sinc_filter_auto_threshold, gint * err);
|
|
void resample_double_resampler_destroy (SpeexResamplerState * st);
|
|
int resample_double_resampler_process_interleaved_float (SpeexResamplerState *
|
|
st, const guint8 * in, guint32 * in_len, guint8 * out, guint32 * out_len);
|
|
int resample_double_resampler_set_rate (SpeexResamplerState * st,
|
|
guint32 in_rate, guint32 out_rate);
|
|
void resample_double_resampler_get_rate (SpeexResamplerState * st,
|
|
guint32 * in_rate, guint32 * out_rate);
|
|
void resample_double_resampler_get_ratio (SpeexResamplerState * st,
|
|
guint32 * ratio_num, guint32 * ratio_den);
|
|
int resample_double_resampler_get_input_latency (SpeexResamplerState * st);
|
|
int resample_double_resampler_get_filt_len (SpeexResamplerState * st);
|
|
int resample_double_resampler_get_sinc_filter_mode (SpeexResamplerState * st);
|
|
int resample_double_resampler_set_quality (SpeexResamplerState * st, gint quality);
|
|
int resample_double_resampler_reset_mem (SpeexResamplerState * st);
|
|
int resample_double_resampler_skip_zeros (SpeexResamplerState * st);
|
|
const char * resample_double_resampler_strerror (gint err);
|
|
|
|
static const SpeexResampleFuncs double_funcs =
|
|
{
|
|
resample_double_resampler_init,
|
|
resample_double_resampler_destroy,
|
|
resample_double_resampler_process_interleaved_float,
|
|
resample_double_resampler_set_rate,
|
|
resample_double_resampler_get_rate,
|
|
resample_double_resampler_get_ratio,
|
|
resample_double_resampler_get_input_latency,
|
|
resample_double_resampler_get_filt_len,
|
|
resample_double_resampler_get_sinc_filter_mode,
|
|
resample_double_resampler_set_quality,
|
|
resample_double_resampler_reset_mem,
|
|
resample_double_resampler_skip_zeros,
|
|
resample_double_resampler_strerror,
|
|
64
|
|
};
|
|
|
|
SpeexResamplerState *resample_int_resampler_init (guint32 nb_channels,
|
|
guint32 in_rate, guint32 out_rate, gint quality,
|
|
SpeexResamplerSincFilterMode sinc_filter_mode,
|
|
guint32 sinc_filter_auto_threshold, gint * err);
|
|
void resample_int_resampler_destroy (SpeexResamplerState * st);
|
|
int resample_int_resampler_process_interleaved_int (SpeexResamplerState *
|
|
st, const guint8 * in, guint32 * in_len, guint8 * out, guint32 * out_len);
|
|
int resample_int_resampler_set_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_int_resampler_get_ratio (SpeexResamplerState * st,
|
|
guint32 * ratio_num, guint32 * ratio_den);
|
|
int resample_int_resampler_get_input_latency (SpeexResamplerState * st);
|
|
int resample_int_resampler_get_filt_len (SpeexResamplerState * st);
|
|
int resample_int_resampler_get_sinc_filter_mode (SpeexResamplerState * st);
|
|
int resample_int_resampler_set_quality (SpeexResamplerState * st, gint quality);
|
|
int resample_int_resampler_reset_mem (SpeexResamplerState * st);
|
|
int resample_int_resampler_skip_zeros (SpeexResamplerState * st);
|
|
const char * resample_int_resampler_strerror (gint err);
|
|
|
|
static const SpeexResampleFuncs int_funcs =
|
|
{
|
|
resample_int_resampler_init,
|
|
resample_int_resampler_destroy,
|
|
resample_int_resampler_process_interleaved_int,
|
|
resample_int_resampler_set_rate,
|
|
resample_int_resampler_get_rate,
|
|
resample_int_resampler_get_ratio,
|
|
resample_int_resampler_get_input_latency,
|
|
resample_int_resampler_get_filt_len,
|
|
resample_int_resampler_get_sinc_filter_mode,
|
|
resample_int_resampler_set_quality,
|
|
resample_int_resampler_reset_mem,
|
|
resample_int_resampler_skip_zeros,
|
|
resample_int_resampler_strerror,
|
|
16
|
|
};
|
|
|
|
#endif /* __SPEEX_RESAMPLER_WRAPPER_H__ */
|