1 /* GStreamer libsndfile plugin 2 * Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 21 #ifndef __GST_SF_DEC_H__ 22 #define __GST_SF_DEC_H__ 23 24 25 #include <gst/base/gstbasesrc.h> 26 27 28 G_BEGIN_DECLS 29 30 31 #define GST_TYPE_SF_DEC \ 32 (gst_sf_dec_get_type()) 33 #define GST_SF_DEC(obj) \ 34 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SF_DEC,GstSFDec)) 35 #define GST_SF_DEC_CLASS(klass) \ 36 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SF_DEC,GstSFDecClass)) 37 #define GST_IS_SF_DEC(obj) \ 38 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SF_DEC)) 39 #define GST_IS_SF_DEC_CLASS(klass) \ 40 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SF_DEC)) 41 42 typedef struct _GstSFDec GstSFDec; 43 typedef struct _GstSFDecClass GstSFDecClass; 44 45 typedef sf_count_t (*GstSFReader)(SNDFILE *f, void *data, sf_count_t nframes); 46 47 struct _GstSFDec { 48 GstElement parent; 49 50 GstPad *sinkpad; 51 GstPad *srcpad; 52 53 guint64 pos; /* in bytes */ 54 guint64 duration; /* in frames */ 55 56 gboolean seekable; 57 58 SNDFILE *file; 59 sf_count_t offset; 60 GstSFReader reader; 61 gint bytes_per_frame; 62 63 gint channels; 64 gint rate; 65 }; 66 67 struct _GstSFDecClass { 68 GstElementClass parent_class; 69 }; 70 71 GType gst_sf_dec_get_type (void); 72 73 G_END_DECLS 74 75 76 #endif /* __GST_SF_DEC_H__ */ 77