1 /* GStreamer SBC audio parser 2 * Copyright (C) 2012 Collabora Ltd. <tim.muller@collabora.co.uk> 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 #ifndef __GST_SBC_PARSE_H_INCLUDED__ 21 #define __GST_SBC_PARSE_H_INCLUDED__ 22 23 24 #include <gst/gst.h> 25 #include <gst/base/gstbaseparse.h> 26 27 G_BEGIN_DECLS 28 29 #define GST_TYPE_SBC_PARSE (gst_sbc_parse_get_type()) 30 #define GST_SBC_PARSE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SBC_PARSE,GstSbcParse)) 31 #define GST_SBC_PARSE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SBC_PARSE,GstSbcParseClass)) 32 #define GST_SBC_PARSE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_SBC_PARSE,GstSbcParseClass)) 33 #define GST_IS_SBC_PARSE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SBC_PARSE)) 34 #define GST_IS_SBC_PARSE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SBC_PARSE)) 35 #define GST_SBC_PARSE_CAST(obj) ((GstSbcParse *)(obj)) 36 37 typedef enum { 38 GST_SBC_CHANNEL_MODE_INVALID = -1, 39 GST_SBC_CHANNEL_MODE_MONO = 0, 40 GST_SBC_CHANNEL_MODE_DUAL = 1, 41 GST_SBC_CHANNEL_MODE_STEREO = 2, 42 GST_SBC_CHANNEL_MODE_JOINT_STEREO = 3 43 } GstSbcChannelMode; 44 45 typedef enum { 46 GST_SBC_ALLOCATION_METHOD_INVALID = -1, 47 GST_SBC_ALLOCATION_METHOD_LOUDNESS = 0, 48 GST_SBC_ALLOCATION_METHOD_SNR = 1 49 } GstSbcAllocationMethod; 50 51 typedef struct _GstSbcParse GstSbcParse; 52 typedef struct _GstSbcParseClass GstSbcParseClass; 53 54 struct _GstSbcParse { 55 GstBaseParse baseparse; 56 57 /* current output format */ 58 GstSbcAllocationMethod alloc_method; 59 GstSbcChannelMode ch_mode; 60 gint rate; 61 gint n_blocks; 62 gint n_subbands; 63 gint bitpool; 64 65 gboolean sent_codec_tag; 66 }; 67 68 struct _GstSbcParseClass { 69 GstBaseParseClass baseparse_class; 70 }; 71 72 GType gst_sbc_parse_get_type (void); 73 74 G_END_DECLS 75 76 #endif /* __GST_SBC_PARSE_H_INCLUDED__ */ 77