mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-01 06:01:04 +00:00
1672bf00cd
Original commit message from CVS: * gst/aiffparse/aiffparse.c: * gst/aiffparse/aiffparse.h: Calculate width from depth correctly. Read SSND header properly (fixes 24 bit AIFF reading).
126 lines
2.9 KiB
C
126 lines
2.9 KiB
C
/* GStreamer
|
|
* Copyright (C) <2008> Pioneers of the Inevitable <songbird@songbirdnest.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_AIFFPARSE_H__
|
|
#define __GST_AIFFPARSE_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 TYPE_AIFFPARSE \
|
|
(gst_aiffparse_get_type())
|
|
#define AIFFPARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),TYPE_AIFFPARSE,AIFFParse))
|
|
#define AIFFPARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),TYPE_AIFFPARSE,AIFFParseClass))
|
|
#define IS_AIFFPARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),TYPE_AIFFPARSE))
|
|
#define IS_AIFFPARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),TYPE_AIFFPARSE))
|
|
|
|
typedef enum {
|
|
AIFFPARSE_START,
|
|
AIFFPARSE_HEADER,
|
|
AIFFPARSE_DATA
|
|
} AIFFParseState;
|
|
|
|
typedef struct _AIFFParse AIFFParse;
|
|
typedef struct _AIFFParseClass AIFFParseClass;
|
|
|
|
/**
|
|
* AIFFParse:
|
|
*
|
|
* Opaque data structure.
|
|
*/
|
|
struct _AIFFParse {
|
|
GstElement parent;
|
|
|
|
/* pads */
|
|
GstPad *sinkpad,*srcpad;
|
|
|
|
GstCaps *caps;
|
|
GstEvent *close_segment;
|
|
GstEvent *start_segment;
|
|
|
|
/* AIFF decoding state */
|
|
AIFFParseState state;
|
|
|
|
/* format of audio, see defines below */
|
|
gint format;
|
|
|
|
gboolean is_aifc;
|
|
|
|
/* useful audio data */
|
|
guint32 rate;
|
|
guint16 channels;
|
|
guint16 width;
|
|
guint16 depth;
|
|
guint32 endianness;
|
|
|
|
/* real bytes per second used or 0 when no bitrate is known */
|
|
guint32 bps;
|
|
|
|
guint bytes_per_sample;
|
|
|
|
guint32 total_frames;
|
|
|
|
guint32 ssnd_offset;
|
|
guint32 ssnd_blocksize;
|
|
|
|
/* 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_comm;
|
|
gboolean streaming;
|
|
|
|
/* configured segment, start/stop expressed in time */
|
|
GstSegment segment;
|
|
gboolean segment_running;
|
|
|
|
/* discont after seek */
|
|
gboolean discont;
|
|
};
|
|
|
|
struct _AIFFParseClass {
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType aiffparse_get_type(void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_AIFFPARSE_H__ */
|