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Original commit message from CVS: * configure.ac: * gst/speexresample/arch.h: * gst/speexresample/fixed_generic.h: * gst/speexresample/gstspeexresample.c: (gst_speex_resample_base_init), (gst_speex_resample_class_init), (gst_speex_resample_init), (gst_speex_resample_start), (gst_speex_resample_stop), (gst_speex_resample_get_unit_size), (gst_speex_resample_transform_caps), (gst_speex_resample_init_state), (gst_speex_resample_update_state), (gst_speex_resample_reset_state), (gst_speex_resample_parse_caps), (gst_speex_resample_transform_size), (gst_speex_resample_set_caps), (gst_speex_resample_event), (gst_speex_resample_check_discont), (gst_speex_resample_process), (gst_speex_resample_transform), (gst_speex_resample_set_property), (gst_speex_resample_get_property), (plugin_init): * gst/speexresample/gstspeexresample.h: * gst/speexresample/resample.c: (speex_alloc), (speex_realloc), (speex_free), (compute_func), (main), (sinc), (cubic_coef), (resampler_basic_direct_single), (resampler_basic_direct_double), (resampler_basic_interpolate_single), (resampler_basic_interpolate_double), (update_filter), (speex_resampler_init), (speex_resampler_init_frac), (speex_resampler_destroy), (speex_resampler_process_native), (speex_resampler_process_float), (speex_resampler_process_int), (speex_resampler_process_interleaved_float), (speex_resampler_process_interleaved_int), (speex_resampler_set_rate), (speex_resampler_get_rate), (speex_resampler_set_rate_frac), (speex_resampler_get_ratio), (speex_resampler_set_quality), (speex_resampler_get_quality), (speex_resampler_set_input_stride), (speex_resampler_get_input_stride), (speex_resampler_set_output_stride), (speex_resampler_get_output_stride), (speex_resampler_skip_zeros), (speex_resampler_reset_mem), (speex_resampler_strerror): * gst/speexresample/speex_resampler.h: * gst/speexresample/speex_resampler_float.c: * gst/speexresample/speex_resampler_int.c: * gst/speexresample/speex_resampler_wrapper.h: Add resample element based on the Speex resampling algorithm.
80 lines
3.1 KiB
C
80 lines
3.1 KiB
C
/* GStreamer
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* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.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 (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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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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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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#define resample_resampler_destroy resample_int_resampler_destroy
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void resample_resampler_destroy (SpeexResamplerState * st);
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int resample_float_resampler_process_interleaved_float (SpeexResamplerState *
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st, const gfloat * in, guint32 * in_len, gfloat * out, guint32 * out_len);
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int resample_int_resampler_process_interleaved_int (SpeexResamplerState * st,
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const gint16 * in, guint32 * in_len, gint16 * 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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int resample_int_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_int_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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void resample_int_resampler_get_ratio (SpeexResamplerState * st,
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guint32 * ratio_num, guint32 * ratio_den);
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int resample_float_resampler_set_quality (SpeexResamplerState * st,
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gint quality);
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int resample_int_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_int_resampler_reset_mem (SpeexResamplerState * st);
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#define resample_resampler_strerror resample_int_resampler_strerror
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const char *resample_resampler_strerror (gint err);
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#endif /* __SPEEX_RESAMPLER_WRAPPER_H__ */
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