openmpt: Add openmptdec element

https://bugzilla.gnome.org/show_bug.cgi?id=768576

1 files changed, 81 insertions, 0 deletions

diff --git a/ext/openmpt/gstopenmptdec.h b/ext/openmpt/gstopenmptdec.h
new file mode 100644
index 000000000..93e283f4f
--- /dev/null
+++ b/ext/openmpt/gstopenmptdec.h
@@ -0,0 +1,81 @@
+/* GStreamer
+ * Copyright (C) <2017> Carlos Rafael Giani <dv at pseudoterminal dot org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifndef __GST_OPENMPT_DEC_H__
+#define __GST_OPENMPT_DEC_H__
+
+
+#include <gst/gst.h>
+#include "gst/audio/gstnonstreamaudiodecoder.h"
+#include <libopenmpt/libopenmpt.h>
+
+
+G_BEGIN_DECLS
+
+
+typedef struct _GstOpenMptDec GstOpenMptDec;
+typedef struct _GstOpenMptDecClass GstOpenMptDecClass;
+
+
+#define GST_TYPE_OPENMPT_DEC             (gst_openmpt_dec_get_type())
+#define GST_OPENMPT_DEC(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_OPENMPT_DEC, GstOpenMptDec))
+#define GST_OPENMPT_DEC_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_OPENMPT_DEC, GstOpenMptDecClass))
+#define GST_IS_OPENMPT_DEC(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_OPENMPT_DEC))
+#define GST_IS_OPENMPT_DEC_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_OPENMPT_DEC))
+
+
+struct _GstOpenMptDec
+{
+  GstNonstreamAudioDecoder parent;
+  openmpt_module *mod;
+
+  guint cur_subsong, num_subsongs;
+  double *subsong_durations;
+  /* NOTE: this is of type int, not guint, because the value
+   * is defined by OpenMPT, and can be -1 (= "all subsongs") */
+  int default_openmpt_subsong;
+  GstNonstreamAudioSubsongMode cur_subsong_mode;
+
+  gint num_loops;
+
+  gint master_gain, stereo_separation, filter_length, volume_ramping;
+
+  GstAudioFormat sample_format;
+  gint sample_rate, num_channels;
+
+  guint output_buffer_size;
+
+  GstTagList *main_tags;
+};
+
+
+struct _GstOpenMptDecClass
+{
+  GstNonstreamAudioDecoderClass parent_class;
+};
+
+
+GType gst_openmpt_dec_get_type (void);
+
+
+G_END_DECLS
+
+
+#endif /* __GST_OPENMPT_DEC_H__ */