mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 19:31:12 +00:00
91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/* GStreamer
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
*
|
|
* 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_MPEG2DEC_H__
|
|
#define __GST_MPEG2DEC_H__
|
|
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/video/video.h>
|
|
#include <gst/video/gstvideodecoder.h>
|
|
#include <mpeg2.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_MPEG2DEC \
|
|
(gst_mpeg2dec_get_type())
|
|
#define GST_MPEG2DEC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MPEG2DEC,GstMpeg2dec))
|
|
#define GST_MPEG2DEC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MPEG2DEC,GstMpeg2decClass))
|
|
#define GST_IS_MPEG2DEC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MPEG2DEC))
|
|
#define GST_IS_MPEG2DEC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MPEG2DEC))
|
|
|
|
#define MPEG_TIME_TO_GST_TIME(time) ((time) == -1 ? -1 : ((time) * (GST_MSECOND/10)) / G_GINT64_CONSTANT(9))
|
|
#define GST_TIME_TO_MPEG_TIME(time) ((time) == -1 ? -1 : ((time) * G_GINT64_CONSTANT(9)) / (GST_MSECOND/10))
|
|
|
|
typedef struct _GstMpeg2dec GstMpeg2dec;
|
|
typedef struct _GstMpeg2decClass GstMpeg2decClass;
|
|
|
|
typedef enum
|
|
{
|
|
MPEG2DEC_DISC_NONE = 0,
|
|
MPEG2DEC_DISC_NEW_PICTURE,
|
|
MPEG2DEC_DISC_NEW_KEYFRAME
|
|
} DiscontState;
|
|
|
|
struct _GstMpeg2dec {
|
|
GstVideoDecoder element;
|
|
|
|
mpeg2dec_t *decoder;
|
|
const mpeg2_info_t *info;
|
|
|
|
gboolean closed;
|
|
gboolean have_fbuf;
|
|
|
|
/* Buffer lifetime management */
|
|
GList *buffers;
|
|
|
|
/* FIXME This should not be necessary. It is used to prevent image
|
|
* corruption when the parser does not behave the way it should.
|
|
* See https://bugzilla.gnome.org/show_bug.cgi?id=674238
|
|
*/
|
|
DiscontState discont_state;
|
|
|
|
/* video state */
|
|
GstVideoCodecState *input_state;
|
|
GstVideoInfo decoded_info;
|
|
gboolean need_cropping;
|
|
gboolean has_cropping;
|
|
|
|
guint8 *dummybuf[4];
|
|
};
|
|
|
|
struct _GstMpeg2decClass {
|
|
GstVideoDecoderClass parent_class;
|
|
};
|
|
|
|
GType gst_mpeg2dec_get_type(void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MPEG2DEC_H__ */
|