From 644432907c659f4fdc64bef9cf13d54f6e30b60c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= Date: Tue, 20 Nov 2007 07:02:45 +0000 Subject: Add resample element based on the Speex resampling algorithm. 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. --- gst/speexresample/gstspeexresample.h | 80 ++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 gst/speexresample/gstspeexresample.h (limited to 'gst/speexresample/gstspeexresample.h') diff --git a/gst/speexresample/gstspeexresample.h b/gst/speexresample/gstspeexresample.h new file mode 100644 index 00000000..68731289 --- /dev/null +++ b/gst/speexresample/gstspeexresample.h @@ -0,0 +1,80 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen + * Copyright (C) <2007> Sebastian Dröge + * + * 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_RESAMPLE_H__ +#define __SPEEX_RESAMPLE_H__ + +#include +#include + +#include "speex_resampler_wrapper.h" + +G_BEGIN_DECLS + +#define GST_TYPE_SPEEX_RESAMPLE \ + (gst_speex_resample_get_type()) +#define GST_SPEEX_RESAMPLE(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPEEX_RESAMPLE,GstSpeexResample)) +#define GST_SPEEX_RESAMPLE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPEEX_RESAMPLE,GstSpeexResampleClass)) +#define GST_IS_SPEEX_RESAMPLE(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPEEX_RESAMPLE)) +#define GST_IS_SPEEX_RESAMPLE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPEEX_RESAMPLE)) + +typedef struct _GstSpeexResample GstSpeexResample; +typedef struct _GstSpeexResampleClass GstSpeexResampleClass; + +/** + * GstSpeexResample: + * + * Opaque data structure. + */ +struct _GstSpeexResample { + GstBaseTransform element; + + GstCaps *srccaps, *sinkcaps; + + gboolean need_discont; + + guint64 offset; + guint64 ts_offset; + GstClockTime next_ts; + GstClockTime prev_ts, prev_duration; + + gboolean fp; + int channels; + int inrate; + int outrate; + int quality; + + SpeexResamplerState *state; +}; + +struct _GstSpeexResampleClass { + GstBaseTransformClass parent_class; +}; + +GType gst_speex_resample_get_type(void); + +G_END_DECLS + +#endif /* __SPEEX_RESAMPLE_H__ */ -- cgit v1.2.1