gstreamer/ext/wavpack/gstwavpackparse.h
Tim-Philipp Müller f54198bd02 ext/wavpack/gstwavpackdec.c: Add debug category, use boilerplate macros, fix handling of widths of 32 bits.
Original commit message from CVS:
* ext/wavpack/gstwavpackdec.c: (gst_wavpack_dec_setcaps),
(gst_wavpack_dec_base_init), (gst_wavpack_dec_dispose),
(gst_wavpack_dec_class_init), (gst_wavpack_dec_sink_event),
(gst_wavpack_dec_init), (gst_wavpack_dec_format_samples),
(gst_wavpack_dec_chain), (gst_wavpack_dec_plugin_init):
Add debug category, use boilerplate macros, fix handling
of widths of 32 bits.
* ext/wavpack/gstwavpackparse.c: (gst_wavpack_parse_base_init),
(gst_wavpack_parse_dispose), (gst_wavpack_parse_class_init),
(gst_wavpack_parse_index_get_last_entry),
(gst_wavpack_parse_index_get_entry_from_sample),
(gst_wavpack_parse_index_append_entry), (gst_wavpack_parse_reset),
(gst_wavpack_parse_src_query),
(gst_wavpack_parse_scan_to_find_sample),
(gst_wavpack_parse_send_newsegment),
(gst_wavpack_parse_handle_seek_event),
(gst_wavpack_parse_src_event), (gst_wavpack_parse_init),
(gst_wavpack_parse_get_upstream_length),
(gst_wavpack_parse_pull_buffer),
(gst_wavpack_parse_create_src_pad), (gst_wavpack_parse_loop),
(gst_wavpack_parse_change_state),
(gst_wavepack_parse_sink_activate),
(gst_wavepack_parse_sink_activate_pull),
(gst_wavpack_parse_plugin_init):
* ext/wavpack/gstwavpackparse.h:
Rewrite a bit, mostly to fix flow logic and to make seeking work.
Fix buffer/event refcounting. Add some debug statements. Add
width of 32 to source pad template caps. Use boilerplate macros.
2006-01-29 20:07:49 +00:00

88 lines
2.9 KiB
C

/* GStreamer wavpack plugin
* (c) 2005 Arwed v. Merkatz <v.merkatz@gmx.net>
*
* gstwavpackparse.h: wavpack file parser
*
* 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_WAVPACK_PARSE_H__
#define __GST_WAVPACK_PARSE_H__
#include <gst/gst.h>
G_BEGIN_DECLS
/* #define's don't like whitespacey bits */
#define GST_TYPE_WAVPACK_PARSE \
(gst_wavpack_parse_get_type())
#define GST_WAVPACK_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVPACK_PARSE,GstWavpackParse))
#define GST_WAVPACK_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVPACK_PARSE,GstWavpackParse))
#define GST_IS_WAVPACK_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVPACK_PARSE))
#define GST_IS_WAVPACK_PARSE_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVPACK_PARSE))
typedef struct _GstWavpackParse GstWavpackParse;
typedef struct _GstWavpackParseClass GstWavpackParseClass;
typedef struct _GstWavpackParseIndexEntry GstWavpackParseIndexEntry;
struct _GstWavpackParseIndexEntry {
gint64 byte_offset; /* byte offset of this chunk */
gint64 sample_offset; /* first sample in this chunk */
gint64 sample_offset_end; /* first sample in next chunk */
};
struct _GstWavpackParse
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
guint samplerate;
guint channels;
guint total_samples;
gboolean need_newsegment;
gint64 current_offset; /* byte offset on sink pad */
gint64 upstream_length; /* length of file in bytes */
GstSegment segment; /* the currently configured segment, in
* samples/audio frames (DEFAULT format) */
/* Array of GstWavpackParseIndexEntry structs, mapping known
* sample offsets to byte offsets. Is kept increasing without
* gaps (ie. append only and consecutive entries must always
* map to consecutive chunks in the file). */
GArray *entries;
};
struct _GstWavpackParseClass
{
GstElementClass parent;
};
GType gst_wavpack_parse_get_type (void);
gboolean gst_wavpack_parse_plugin_init (GstPlugin *plugin);
G_END_DECLS
#endif /* __GST_WAVPACK_PARSE_H__ */