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, 143 insertions, 0 deletions

diff --git a/flow/gsl/gsldatahandle.h b/flow/gsl/gsldatahandle.h
new file mode 100644
index 0000000..d67b44f
--- /dev/null
+++ b/flow/gsl/gsldatahandle.h
@@ -0,0 +1,143 @@
+/* GSL - Generic Sound Layer
+ * Copyright (C) 2001 Tim Janik
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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_DATA_HANDLE_H__
+#define __GSL_DATA_HANDLE_H__
+
+#include <gsl/gsldefs.h>
+#include <gsl/gslcommon.h>	/* GslErrorType */
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+/* --- macros --- */
+#define	GSL_DATA_HANDLE_OPENED(handle)	    (((GslDataHandle*) (handle))->open_count > 0)
+#define	GSL_DATA_HANDLE_READ_LINEAR(handle) (((GslDataHandle*) (handle))->vtable->coarse_seek != NULL)
+
+
+/* --- typedefs & structures --- */
+typedef struct {
+  GslLong	n_values;
+  guint		n_channels;
+  guint		bit_depth;
+} GslDataHandleSetup;
+struct _GslDataHandle
+{
+  /* constant members */
+  GslDataHandleFuncs *vtable;
+  gchar		     *name;
+  /* common members */
+  GslMutex	      mutex;
+  guint		      ref_count;
+  guint		      open_count;
+  /* opened data handle setup (open_count > 0) */
+  GslDataHandleSetup  setup;
+};
+struct _GslDataHandleFuncs
+{
+  GslErrorType	(*open)			(GslDataHandle		*data_handle,
+					 GslDataHandleSetup	*setup);
+  GslLong	(*read)			(GslDataHandle		*data_handle,
+					 GslLong		 voffset, /* in values */
+					 GslLong		 n_values,
+					 gfloat			*values);
+  void		(*close)		(GslDataHandle		*data_handle);
+  void          (*destroy)		(GslDataHandle		*data_handle);
+  /* optional (for codecs) */
+  GslLong	(*coarse_seek)		(GslDataHandle		*data_handle,
+					 GslLong		 position);
+};
+
+
+
+/* --- standard functions --- */
+GslDataHandle*	  gsl_data_handle_ref		(GslDataHandle	  *dhandle);
+void		  gsl_data_handle_unref		(GslDataHandle	  *dhandle);
+GslErrorType	  gsl_data_handle_open		(GslDataHandle	  *dhandle);
+void		  gsl_data_handle_close		(GslDataHandle	  *dhandle);
+GslLong		  gsl_data_handle_length	(GslDataHandle	  *data_handle);
+#define	          gsl_data_handle_n_values(      dh) \
+		                                 gsl_data_handle_length (dh)
+guint		  gsl_data_handle_n_channels	(GslDataHandle	  *data_handle);
+guint		  gsl_data_handle_bit_depth	(GslDataHandle	  *data_handle);
+const gchar*	  gsl_data_handle_name		(GslDataHandle	  *data_handle);
+GslLong		  gsl_data_handle_read		(GslDataHandle	  *data_handle,
+						 GslLong	   value_offset,
+						 GslLong	   n_values,
+						 gfloat		  *values);
+GslDataHandle*	  gsl_data_handle_new_cut	(GslDataHandle	  *src_handle,
+						 GslLong	   cut_offset,
+						 GslLong	   n_cut_values);
+GslDataHandle*	  gsl_data_handle_new_crop	(GslDataHandle	  *src_handle,
+						 GslLong	   n_head_cut,
+						 GslLong	   n_tail_cut);
+GslDataHandle*	  gsl_data_handle_new_reverse	(GslDataHandle	  *src_handle);
+GslDataHandle*	  gsl_data_handle_new_insert	(GslDataHandle	  *src_handle,
+						 guint             paste_bit_depth,
+						 GslLong	   insertion_offset,
+						 GslLong	   n_paste_values,
+						 const gfloat	  *paste_values,
+						 void            (*free) (gpointer values));
+GslDataHandle*	  gsl_data_handle_new_mem	(guint		   n_channels,
+						 guint             bit_depth,
+						 GslLong	   n_values,
+						 const gfloat	  *values,
+						 void            (*free) (gpointer values));
+GslDataHandle*	  gsl_data_handle_new_dcached	(GslDataCache	  *dcache);
+/* cheap and inefficient, testpurpose only */
+GslDataHandle*	  gsl_data_handle_new_looped	(GslDataHandle	  *src_handle,
+						 GslLong	   loop_first,
+						 GslLong	   loop_last);
+
+
+/* --- wave specific functions --- */
+typedef enum    /*< skip >*/
+{
+  GSL_WAVE_FORMAT_NONE,
+  GSL_WAVE_FORMAT_UNSIGNED_8,
+  GSL_WAVE_FORMAT_SIGNED_8,
+  GSL_WAVE_FORMAT_UNSIGNED_12,
+  GSL_WAVE_FORMAT_SIGNED_12,
+  GSL_WAVE_FORMAT_UNSIGNED_16,
+  GSL_WAVE_FORMAT_SIGNED_16,
+  GSL_WAVE_FORMAT_FLOAT,
+  GSL_WAVE_FORMAT_LAST
+} GslWaveFormatType;
+
+const gchar*      gsl_wave_format_to_string     (GslWaveFormatType format);
+GslWaveFormatType gsl_wave_format_from_string   (const gchar      *string);
+GslDataHandle*	  gsl_wave_handle_new		(const gchar	  *file_name,
+						 guint		   n_channels,
+						 GslWaveFormatType format,
+						 guint		   byte_order,
+						 GslLong	   byte_offset,
+						 GslLong	   n_values);
+
+
+/* --- auxillary functions --- */
+gboolean	  gsl_data_handle_common_init	(GslDataHandle	  *dhandle,
+						 const gchar	  *file_name);
+void		  gsl_data_handle_common_free	(GslDataHandle	  *dhandle);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __GSL_DATA_HANDLE_H__ */