mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 04:00:37 +00:00
114 lines
3 KiB
C
114 lines
3 KiB
C
/*
|
|
* GStreamer demultiplexer plugin for Interplay MVE movie files
|
|
*
|
|
* Copyright (C) 2006 Jens Granseuer <jensgr@gmx.net>
|
|
*
|
|
* 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_MVE_DEMUX_H__
|
|
#define __GST_MVE_DEMUX_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstadapter.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_MVE_DEMUX \
|
|
(gst_mve_demux_get_type())
|
|
#define GST_MVE_DEMUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MVE_DEMUX,GstMveDemux))
|
|
#define GST_MVE_DEMUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MVE_DEMUX,GstMveDemuxClass))
|
|
#define GST_IS_MVE_DEMUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MVE_DEMUX))
|
|
#define GST_IS_MVE_DEMUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MVE_DEMUX))
|
|
|
|
typedef struct _GstMveDemux GstMveDemux;
|
|
typedef struct _GstMveDemuxClass GstMveDemuxClass;
|
|
typedef struct _GstMveDemuxStream GstMveDemuxStream;
|
|
|
|
struct _GstMveDemux
|
|
{
|
|
GstElement element;
|
|
|
|
GstPad *sinkpad;
|
|
|
|
GstMveDemuxStream *video_stream;
|
|
GstMveDemuxStream *audio_stream;
|
|
|
|
gint state;
|
|
|
|
/* time per frame (1/framerate) */
|
|
GstClockTime frame_duration;
|
|
|
|
/* push based variables */
|
|
guint16 needed_bytes;
|
|
GstAdapter *adapter;
|
|
|
|
/* size of current chunk */
|
|
guint32 chunk_size;
|
|
/* offset in current chunk */
|
|
guint32 chunk_offset;
|
|
};
|
|
|
|
struct _GstMveDemuxClass
|
|
{
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
struct _GstMveDemuxStream {
|
|
/* shared properties */
|
|
GstCaps *caps;
|
|
GstPad *pad;
|
|
GstClockTime last_ts;
|
|
gint64 offset;
|
|
|
|
GstFlowReturn last_flow;
|
|
|
|
/* video properties */
|
|
guint16 width;
|
|
guint16 height;
|
|
guint8 bpp; /* bytes per pixel */
|
|
guint8 *code_map;
|
|
gboolean code_map_avail;
|
|
guint8 *back_buf1;
|
|
guint8 *back_buf2;
|
|
guint32 max_block_offset;
|
|
GstBuffer *palette;
|
|
GstBuffer *buffer;
|
|
|
|
/* audio properties */
|
|
guint16 sample_rate;
|
|
guint16 n_channels;
|
|
guint16 sample_size;
|
|
gboolean compression;
|
|
};
|
|
|
|
GType gst_mve_demux_get_type (void);
|
|
|
|
int ipvideo_decode_frame8 (const GstMveDemuxStream * s,
|
|
const unsigned char *data, unsigned short len);
|
|
int ipvideo_decode_frame16 (const GstMveDemuxStream * s,
|
|
const unsigned char *data, unsigned short len);
|
|
|
|
void ipaudio_uncompress (short *buffer,
|
|
unsigned short buf_len, const unsigned char *data, unsigned char channels);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MVE_DEMUX_H__ */
|