Copy of aRts for Trinity modifications

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/dependencies/arts@1070145 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 136 insertions, 0 deletions

diff --git a/flow/gsl/gslloader.h b/flow/gsl/gslloader.h
new file mode 100644
index 0000000..e4b391c
--- /dev/null
+++ b/flow/gsl/gslloader.h
@@ -0,0 +1,136 @@
+/* GSL - Generic Sound Layer
+ * Copyright (C) 2001-2002 Tim Janik and Stefan Westerfeld
+ *
+ * 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 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., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#ifndef __GSL_LOADER_H__
+#define __GSL_LOADER_H__
+
+#include <gsl/gsldefs.h>
+#include <gsl/gslcommon.h>
+#include <gsl/gslwavechunk.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+
+typedef struct _GslWaveFileInfo GslWaveFileInfo;
+typedef struct _GslWaveDsc      GslWaveDsc;
+typedef struct _GslWaveChunkDsc GslWaveChunkDsc;
+
+/* --- structures --- */
+struct _GslWaveFileInfo
+{
+  guint	   n_waves;
+  struct {
+    gchar *name;
+  }       *waves;
+
+  /*< private >*/
+  gchar     *file_name;
+  GslLoader *loader;
+  guint      ref_count;
+};
+struct _GslWaveDsc
+{
+  gchar		  *name;
+  guint	           n_chunks;
+  GslWaveChunkDsc *chunks;
+  guint            n_channels;
+  /*< private >*/
+  GslWaveFileInfo *file_info;
+};
+struct _GslWaveChunkDsc
+{
+  gfloat	  osc_freq;
+  gfloat	  mix_freq;
+  GslWaveLoopType loop_type;
+  GslLong	  loop_start;	/* sample offset */
+  GslLong	  loop_end;	/* sample offset */
+  guint		  loop_count;
+  /* loader-specific */
+  GslLong         loader_offset;
+  GslLong         loader_length;
+  gpointer	  loader_data1; /* generic pointers for more data */
+  gpointer	  loader_data2;
+};
+
+
+/* --- functions --- */
+GslWaveFileInfo*       gsl_wave_file_info_load	(const gchar	 *file_name,
+						 GslErrorType	 *error);
+GslWaveFileInfo*       gsl_wave_file_info_ref   (GslWaveFileInfo *wave_file_info);
+void                   gsl_wave_file_info_unref (GslWaveFileInfo *wave_file_info);
+GslWaveDsc*	       gsl_wave_dsc_load	(GslWaveFileInfo *wave_file_info,
+						 guint		  nth_wave,
+						 GslErrorType	 *error);
+void		       gsl_wave_dsc_free	(GslWaveDsc	 *wave_dsc);
+GslDataHandle*	       gsl_wave_handle_create	(GslWaveDsc	 *wave_dsc,
+						 guint		  nth_chunk,
+						 GslErrorType	 *error);
+GslWaveChunk*	       gsl_wave_chunk_create	(GslWaveDsc	 *wave_dsc,
+						 guint		  nth_chunk,
+						 GslErrorType	 *error);
+
+
+/* --- loader impl --- */
+struct _GslLoader
+{
+  const gchar *name;		/* format/loader name, e.g. "GslWave" or "WAVE audio, RIFF (little-endian)" */
+
+  /* at least one of the
+   * following three must
+   * be non-NULL
+   */
+  const gchar **extensions;	/* e.g.: "mp3", "ogg" or "gslwave" */
+  const gchar **mime_types;	/* e.g.: "audio/x-mpg3" or "audio/x-wav" */
+  const gchar **magic_specs;	/* e.g.: "0 string RIFF\n8 string WAVE\n" or "0 string #GslWave\n" */
+
+  gint   priority;   /* -100=high, +100=low, 0=default */
+
+  /*< private >*/
+  gpointer		  data;
+  GslWaveFileInfo*	(*load_file_info)	(gpointer	   data,
+						 const gchar	  *file_name,
+						 GslErrorType	  *error);
+  void			(*free_file_info)	(gpointer	   data,
+						 GslWaveFileInfo  *file_info);
+  GslWaveDsc*		(*load_wave_dsc)	(gpointer	   data,
+						 GslWaveFileInfo  *file_info,
+						 guint		   nth_wave,
+						 GslErrorType	  *error);
+  void			(*free_wave_dsc)	(gpointer	   data,
+						 GslWaveDsc	  *wave_dsc);
+  GslDataHandle*	(*create_chunk_handle)	(gpointer	   data,
+						 GslWaveDsc	  *wave_dsc,
+						 guint		   nth_chunk,
+						 GslErrorType	  *error);
+  GslLoader   *next;	/* must be NULL */
+};
+
+void		gsl_loader_register	(GslLoader	*loader);
+GslLoader*	gsl_loader_match	(const gchar	*file_name);
+
+
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __GSL_LOADER_H__ */