mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 09:10:36 +00:00
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
/* G-Streamer hardware MJPEG video source plugin
|
|
* Copyright (C) 2001 Ronald Bultje <rbultje@ronald.bitfreak.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_V4LMJPEGSRC_H__
|
|
#define __GST_V4LMJPEGSRC_H__
|
|
|
|
#include <gstv4lelement.h>
|
|
#include <sys/time.h>
|
|
#include <videodev_mjpeg.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
#define GST_TYPE_V4LMJPEGSRC \
|
|
(gst_v4lmjpegsrc_get_type())
|
|
#define GST_V4LMJPEGSRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4LMJPEGSRC,GstV4lMjpegSrc))
|
|
#define GST_V4LMJPEGSRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4LMJPEGSRC,GstV4lMjpegSrcClass))
|
|
#define GST_IS_V4LMJPEGSRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4LMJPEGSRC))
|
|
#define GST_IS_V4LMJPEGSRC_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4LMJPEGSRC))
|
|
|
|
typedef struct _GstV4lMjpegSrc GstV4lMjpegSrc;
|
|
typedef struct _GstV4lMjpegSrcClass GstV4lMjpegSrcClass;
|
|
|
|
struct _GstV4lMjpegSrc {
|
|
GstV4lElement v4lelement;
|
|
|
|
/* pads */
|
|
GstPad *srcpad;
|
|
|
|
/* the bufferpool */
|
|
GstBufferPool *bufferpool;
|
|
|
|
/* buffer/capture info */
|
|
struct mjpeg_sync bsync;
|
|
struct mjpeg_requestbuffers breq;
|
|
|
|
/* caching values */
|
|
gint x_offset;
|
|
gint y_offset;
|
|
gint frame_width;
|
|
gint frame_height;
|
|
gint horizontal_decimation;
|
|
gint vertical_decimation;
|
|
|
|
gint end_width;
|
|
gint end_height;
|
|
|
|
gint quality;
|
|
gint numbufs;
|
|
gint bufsize; /* in KB */
|
|
|
|
gboolean init;
|
|
};
|
|
|
|
struct _GstV4lMjpegSrcClass {
|
|
GstV4lElementClass parent_class;
|
|
};
|
|
|
|
GType gst_v4lmjpegsrc_get_type(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* __GST_V4LMJPEGSRC_H__ */
|