1 /* GStreamer 2 * Copyright (C) <2017> Carlos Rafael Giani <dv at pseudoterminal dot 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_OPENMPT_DEC_H__ 22 #define __GST_OPENMPT_DEC_H__ 23 24 25 #include <gst/gst.h> 26 #include "gst/audio/gstnonstreamaudiodecoder.h" 27 #include <libopenmpt/libopenmpt.h> 28 29 30 G_BEGIN_DECLS 31 32 33 typedef struct _GstOpenMptDec GstOpenMptDec; 34 typedef struct _GstOpenMptDecClass GstOpenMptDecClass; 35 36 37 #define GST_TYPE_OPENMPT_DEC (gst_openmpt_dec_get_type()) 38 #define GST_OPENMPT_DEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_OPENMPT_DEC, GstOpenMptDec)) 39 #define GST_OPENMPT_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_OPENMPT_DEC, GstOpenMptDecClass)) 40 #define GST_IS_OPENMPT_DEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_OPENMPT_DEC)) 41 #define GST_IS_OPENMPT_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_OPENMPT_DEC)) 42 43 44 struct _GstOpenMptDec 45 { 46 GstNonstreamAudioDecoder parent; 47 openmpt_module *mod; 48 49 guint cur_subsong, num_subsongs; 50 double *subsong_durations; 51 /* NOTE: this is of type int, not guint, because the value 52 * is defined by OpenMPT, and can be -1 (= "all subsongs") */ 53 int default_openmpt_subsong; 54 GstNonstreamAudioSubsongMode cur_subsong_mode; 55 56 gint num_loops; 57 58 gint master_gain, stereo_separation, filter_length, volume_ramping; 59 60 GstAudioFormat sample_format; 61 gint sample_rate, num_channels; 62 63 guint output_buffer_size; 64 65 GstTagList *main_tags; 66 }; 67 68 69 struct _GstOpenMptDecClass 70 { 71 GstNonstreamAudioDecoderClass parent_class; 72 }; 73 74 75 GType gst_openmpt_dec_get_type (void); 76 77 GST_ELEMENT_REGISTER_DECLARE (openmptdec); 78 79 G_END_DECLS 80 81 82 #endif /* __GST_OPENMPT_DEC_H__ */ 83