1 /* GStreamer PCM to A-Law conversion 2 * Copyright (C) 2000 by Abramo Bagnara <abramo@alsa-project.org> 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_ALAW_ENCODE_H__ 22 #define __GST_ALAW_ENCODE_H__ 23 24 #include <gst/gst.h> 25 26 G_BEGIN_DECLS 27 28 #define GST_TYPE_ALAW_ENC \ 29 (gst_alaw_enc_get_type()) 30 #define GST_ALAW_ENC(obj) \ 31 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALAW_ENC,GstALawEnc)) 32 #define GST_ALAW_ENC_CLASS(klass) \ 33 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALAW_ENC,GstALawEncClass)) 34 #define GST_IS_ALAW_ENC(obj) \ 35 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALAW_ENC)) 36 #define GST_IS_ALAW_ENC_CLASS(klass) \ 37 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALAW_ENC)) 38 39 typedef struct _GstALawEnc GstALawEnc; 40 typedef struct _GstALawEncClass GstALawEncClass; 41 42 struct _GstALawEnc { 43 GstAudioEncoder encoder; 44 45 gint channels; 46 gint rate; 47 }; 48 49 struct _GstALawEncClass { 50 GstAudioEncoderClass parent_class; 51 }; 52 53 GType gst_alaw_enc_get_type(void); 54 55 G_END_DECLS 56 57 #endif /* __GST_ALAW_ENCODE_H__ */ 58