From aeb09d35abf17934407c8e1c826de3d8fab7193d Mon Sep 17 00:00:00 2001 From: "Arwed v. Merkatz" Date: Fri, 26 Nov 2004 23:10:28 +0000 Subject: added TTA parser and decoder Original commit message from CVS: added TTA parser and decoder --- gst/tta/gstttadec.h | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 gst/tta/gstttadec.h (limited to 'gst/tta/gstttadec.h') diff --git a/gst/tta/gstttadec.h b/gst/tta/gstttadec.h new file mode 100644 index 00000000..3bdfdcf1 --- /dev/null +++ b/gst/tta/gstttadec.h @@ -0,0 +1,84 @@ +/* GStreamer TTA plugin + * (c) 2004 Arwed v. Merkatz + * + * gstttadec.h: raw TTA bitstream decoder + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_TTA_DEC_H__ +#define __GST_TTA_DEC_H__ + +#include + +#include "ttadec.h" + +G_BEGIN_DECLS + +/* #define's don't like whitespacey bits */ +#define GST_TYPE_TTA_DEC \ + (gst_tta_dec_get_type()) +#define GST_TTA_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TTA_DEC,GstTtaDec)) +#define GST_TTA_DEC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TTA_DEC,GstTtaDec)) +#define GST_IS_TTA_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TTA_DEC)) +#define GST_IS_TTA_DEC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TTA_DEC)) + +typedef struct _GstTtaDec GstTtaDec; +typedef struct _GstTtaDecClass GstTtaDecClass; + +typedef struct _tta_buffer +{ + guchar *buffer; + guchar *buffer_end; + gulong bit_count; + gulong bit_cache; + guchar *bitpos; + gulong offset; +} tta_buffer; + +struct _GstTtaDec +{ + GstElement element; + + GstPad *sinkpad, *srcpad; + + guint32 samplerate; + guint channels; + guint bytes; + long frame_length; + + decoder *tta; + guchar *decdata; + tta_buffer tta_buf; + long *cache; +}; + +struct _GstTtaDecClass +{ + GstElementClass parent; +}; + +GType gst_tta_dec_get_type (void); + +gboolean gst_tta_dec_plugin_init (GstPlugin *plugin); + +G_END_DECLS + +#endif /* __GST_TTA_DEC_H__ */ -- cgit v1.2.1