mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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35c76b3409
This reverts commit 129af0d8e6.
This shouldn't be committed at all, it isn't ready and apparently
was in the wrong branch locally.
161 lines
6.7 KiB
C
161 lines
6.7 KiB
C
/* GStreamer
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* Copyright (C) 2007-2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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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 (at your option) 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 __SPEEX_RESAMPLER_WRAPPER_H__
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#define __SPEEX_RESAMPLER_WRAPPER_H__
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#define SPEEX_RESAMPLER_QUALITY_MAX 10
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#define SPEEX_RESAMPLER_QUALITY_MIN 0
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#define SPEEX_RESAMPLER_QUALITY_DEFAULT 4
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#define SPEEX_RESAMPLER_QUALITY_VOIP 3
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#define SPEEX_RESAMPLER_QUALITY_DESKTOP 5
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enum
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{
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RESAMPLER_ERR_SUCCESS = 0,
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RESAMPLER_ERR_ALLOC_FAILED = 1,
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RESAMPLER_ERR_BAD_STATE = 2,
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RESAMPLER_ERR_INVALID_ARG = 3,
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RESAMPLER_ERR_PTR_OVERLAP = 4,
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RESAMPLER_ERR_MAX_ERROR
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};
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typedef struct SpeexResamplerState_ SpeexResamplerState;
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typedef struct {
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SpeexResamplerState *(*init) (guint32 nb_channels,
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guint32 in_rate, guint32 out_rate, gint quality, gint * err);
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void (*destroy) (SpeexResamplerState * st);
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int (*process) (SpeexResamplerState *
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st, const guint8 * in, guint32 * in_len, guint8 * out, guint32 * out_len);
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int (*set_rate) (SpeexResamplerState * st,
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guint32 in_rate, guint32 out_rate);
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void (*get_rate) (SpeexResamplerState * st,
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guint32 * in_rate, guint32 * out_rate);
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void (*get_ratio) (SpeexResamplerState * st,
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guint32 * ratio_num, guint32 * ratio_den);
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int (*get_input_latency) (SpeexResamplerState * st);
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int (*set_quality) (SpeexResamplerState * st, gint quality);
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int (*reset_mem) (SpeexResamplerState * st);
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int (*skip_zeros) (SpeexResamplerState * st);
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const char * (*strerror) (gint err);
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unsigned int width;
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} SpeexResampleFuncs;
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SpeexResamplerState *resample_float_resampler_init (guint32 nb_channels,
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guint32 in_rate, guint32 out_rate, gint quality, gint * err);
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void resample_float_resampler_destroy (SpeexResamplerState * st);
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int resample_float_resampler_process_interleaved_float (SpeexResamplerState *
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st, const guint8 * in, guint32 * in_len, guint8 * out, guint32 * out_len);
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int resample_float_resampler_set_rate (SpeexResamplerState * st,
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guint32 in_rate, guint32 out_rate);
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void resample_float_resampler_get_rate (SpeexResamplerState * st,
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guint32 * in_rate, guint32 * out_rate);
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void resample_float_resampler_get_ratio (SpeexResamplerState * st,
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guint32 * ratio_num, guint32 * ratio_den);
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int resample_float_resampler_get_input_latency (SpeexResamplerState * st);
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int resample_float_resampler_set_quality (SpeexResamplerState * st, gint quality);
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int resample_float_resampler_reset_mem (SpeexResamplerState * st);
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int resample_float_resampler_skip_zeros (SpeexResamplerState * st);
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const char * resample_float_resampler_strerror (gint err);
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static const SpeexResampleFuncs float_funcs =
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{
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resample_float_resampler_init,
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resample_float_resampler_destroy,
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resample_float_resampler_process_interleaved_float,
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resample_float_resampler_set_rate,
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resample_float_resampler_get_rate,
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resample_float_resampler_get_ratio,
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resample_float_resampler_get_input_latency,
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resample_float_resampler_set_quality,
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resample_float_resampler_reset_mem,
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resample_float_resampler_skip_zeros,
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resample_float_resampler_strerror,
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32
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};
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SpeexResamplerState *resample_double_resampler_init (guint32 nb_channels,
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guint32 in_rate, guint32 out_rate, gint quality, gint * err);
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void resample_double_resampler_destroy (SpeexResamplerState * st);
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int resample_double_resampler_process_interleaved_float (SpeexResamplerState *
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st, const guint8 * in, guint32 * in_len, guint8 * out, guint32 * out_len);
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int resample_double_resampler_set_rate (SpeexResamplerState * st,
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guint32 in_rate, guint32 out_rate);
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void resample_double_resampler_get_rate (SpeexResamplerState * st,
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guint32 * in_rate, guint32 * out_rate);
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void resample_double_resampler_get_ratio (SpeexResamplerState * st,
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guint32 * ratio_num, guint32 * ratio_den);
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int resample_double_resampler_get_input_latency (SpeexResamplerState * st);
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int resample_double_resampler_set_quality (SpeexResamplerState * st, gint quality);
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int resample_double_resampler_reset_mem (SpeexResamplerState * st);
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int resample_double_resampler_skip_zeros (SpeexResamplerState * st);
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const char * resample_double_resampler_strerror (gint err);
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static const SpeexResampleFuncs double_funcs =
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{
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resample_double_resampler_init,
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resample_double_resampler_destroy,
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resample_double_resampler_process_interleaved_float,
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resample_double_resampler_set_rate,
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resample_double_resampler_get_rate,
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resample_double_resampler_get_ratio,
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resample_double_resampler_get_input_latency,
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resample_double_resampler_set_quality,
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resample_double_resampler_reset_mem,
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resample_double_resampler_skip_zeros,
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resample_double_resampler_strerror,
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64
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};
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SpeexResamplerState *resample_int_resampler_init (guint32 nb_channels,
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guint32 in_rate, guint32 out_rate, gint quality, gint * err);
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void resample_int_resampler_destroy (SpeexResamplerState * st);
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int resample_int_resampler_process_interleaved_int (SpeexResamplerState *
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st, const guint8 * in, guint32 * in_len, guint8 * out, guint32 * out_len);
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int resample_int_resampler_set_rate (SpeexResamplerState * st,
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guint32 in_rate, guint32 out_rate);
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void resample_int_resampler_get_rate (SpeexResamplerState * st,
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guint32 * in_rate, guint32 * out_rate);
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void resample_int_resampler_get_ratio (SpeexResamplerState * st,
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guint32 * ratio_num, guint32 * ratio_den);
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int resample_int_resampler_get_input_latency (SpeexResamplerState * st);
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int resample_int_resampler_set_quality (SpeexResamplerState * st, gint quality);
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int resample_int_resampler_reset_mem (SpeexResamplerState * st);
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int resample_int_resampler_skip_zeros (SpeexResamplerState * st);
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const char * resample_int_resampler_strerror (gint err);
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static const SpeexResampleFuncs int_funcs =
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{
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resample_int_resampler_init,
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resample_int_resampler_destroy,
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resample_int_resampler_process_interleaved_int,
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resample_int_resampler_set_rate,
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resample_int_resampler_get_rate,
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resample_int_resampler_get_ratio,
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resample_int_resampler_get_input_latency,
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resample_int_resampler_set_quality,
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resample_int_resampler_reset_mem,
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resample_int_resampler_skip_zeros,
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resample_int_resampler_strerror,
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16
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};
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#endif /* __SPEEX_RESAMPLER_WRAPPER_H__ */
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