mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/* GStreamer
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
* Copyright (C) <2006> Nokia Corporation, Stefan Kost <stefan.kost@nokia.com>.
|
|
*
|
|
* 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_WAVPARSE_H__
|
|
#define __GST_WAVPARSE_H__
|
|
|
|
|
|
#include <gst/gst.h>
|
|
#include "gst/riff/riff-ids.h"
|
|
#include "gst/riff/riff-read.h"
|
|
#include <gst/base/gstadapter.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_WAVPARSE \
|
|
(gst_wavparse_get_type())
|
|
#define GST_WAVPARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVPARSE,GstWavParse))
|
|
#define GST_WAVPARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVPARSE,GstWavParseClass))
|
|
#define GST_IS_WAVPARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVPARSE))
|
|
#define GST_IS_WAVPARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVPARSE))
|
|
|
|
typedef enum {
|
|
GST_WAVPARSE_START,
|
|
GST_WAVPARSE_HEADER,
|
|
GST_WAVPARSE_DATA
|
|
} GstWavParseState;
|
|
|
|
typedef struct _GstWavParse GstWavParse;
|
|
typedef struct _GstWavParseClass GstWavParseClass;
|
|
|
|
/**
|
|
* GstWavParse:
|
|
*
|
|
* Opaque data structure.
|
|
*/
|
|
struct _GstWavParse {
|
|
GstElement parent;
|
|
|
|
/* pads */
|
|
GstPad *sinkpad,*srcpad;
|
|
|
|
/* for delayed source pad creation for when
|
|
* we have the first chunk of data and know
|
|
* the format for sure */
|
|
GstCaps *caps;
|
|
GstTagList *tags;
|
|
GstEvent *start_segment;
|
|
|
|
/* WAVE decoding state */
|
|
GstWavParseState state;
|
|
gboolean abort_buffering;
|
|
|
|
/* format of audio, see defines below */
|
|
gint format;
|
|
|
|
/* useful audio data */
|
|
guint16 depth;
|
|
guint32 rate;
|
|
guint16 channels;
|
|
guint16 blockalign;
|
|
guint16 width;
|
|
guint32 av_bps;
|
|
guint32 fact;
|
|
|
|
/* real bps used or 0 when no bitrate is known */
|
|
guint32 bps;
|
|
gboolean vbr;
|
|
|
|
guint bytes_per_sample;
|
|
guint max_buf_size;
|
|
|
|
/* position in data part */
|
|
guint64 offset;
|
|
guint64 end_offset;
|
|
guint64 dataleft;
|
|
/* offset/length of data part */
|
|
guint64 datastart;
|
|
guint64 datasize;
|
|
/* duration in time */
|
|
guint64 duration;
|
|
|
|
/* pending seek */
|
|
GstEvent *seek_event;
|
|
|
|
/* For streaming */
|
|
GstAdapter *adapter;
|
|
gboolean got_fmt;
|
|
gboolean streaming;
|
|
|
|
/* configured segment, start/stop expressed in time or bytes */
|
|
GstSegment segment;
|
|
|
|
/* for late pad configuration */
|
|
gboolean first;
|
|
/* discont after seek */
|
|
gboolean discont;
|
|
};
|
|
|
|
struct _GstWavParseClass {
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_wavparse_get_type(void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_WAVPARSE_H__ */
|