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Diffstat (limited to 'gst/speexresample/speex_resampler_wrapper.h')
| -rw-r--r-- | gst/speexresample/speex_resampler_wrapper.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gst/speexresample/speex_resampler_wrapper.h b/gst/speexresample/speex_resampler_wrapper.h new file mode 100644 index 00000000..25f5576d --- /dev/null +++ b/gst/speexresample/speex_resampler_wrapper.h @@ -0,0 +1,80 @@ +/* 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__ */ |