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 "gstsf.h" 26 #include <gst/base/gstbasesrc.h> 27 28 29 G_BEGIN_DECLS 30 31 32 #define GST_TYPE_SF_DEC \ 33 (gst_sf_dec_get_type()) 34 #define GST_SF_DEC(obj) \ 35 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SF_DEC,GstSFDec)) 36 #define GST_SF_DEC_CLASS(klass) \ 37 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SF_DEC,GstSFDecClass)) 38 #define GST_IS_SF_DEC(obj) \ 39 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SF_DEC)) 40 #define GST_IS_SF_DEC_CLASS(klass) \ 41 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SF_DEC)) 42 43 typedef struct _GstSFDec GstSFDec; 44 typedef struct _GstSFDecClass GstSFDecClass; 45 46 typedef sf_count_t (*GstSFReader)(SNDFILE *f, void *data, sf_count_t nframes); 47 48 struct _GstSFDec { 49 GstElement parent; 50 51 GstPad *sinkpad; 52 GstPad *srcpad; 53 54 guint64 pos; /* in bytes */ 55 guint64 duration; /* in frames */ 56 57 gboolean seekable; 58 59 SNDFILE *file; 60 sf_count_t offset; 61 GstSFReader reader; 62 gint bytes_per_frame; 63 64 gint channels; 65 gint rate; 66 }; 67 68 struct _GstSFDecClass { 69 GstElementClass parent_class; 70 }; 71 72 73 G_END_DECLS 74 75 76 #endif /* __GST_SF_DEC_H__ */ 77