gstreamer/sys/v4l/gstv4lsrc.h
Ronald S. Bultje ce1c2530ce Various fixes
Original commit message from CVS:
Various fixes
2002-01-31 22:22:42 +00:00

90 lines
2.5 KiB
C

/* G-Streamer BT8x8/V4L frame grabber plugin
* Copyright (C) 2001-2002 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_V4LSRC_H__
#define __GST_V4LSRC_H__
#include <gstv4lelement.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_V4LSRC \
(gst_v4lsrc_get_type())
#define GST_V4LSRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4LSRC,GstV4lSrc))
#define GST_V4LSRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4LSRC,GstV4lSrcClass))
#define GST_IS_V4LSRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4LSRC))
#define GST_IS_V4LSRC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4LSRC))
typedef struct _GstV4lSrc GstV4lSrc;
typedef struct _GstV4lSrcClass GstV4lSrcClass;
struct _GstV4lSrc {
GstV4lElement v4lelement;
/* pads */
GstPad *srcpad;
/* bufferpool for the buffers we're gonna use */
GstBufferPool *bufferpool;
/* capture/buffer info */
struct video_mmap mmap;
struct video_mbuf mbuf;
gint sync_frame;
gint8 *frame_queued;
guint buffer_size;
/* a seperate pthread for the sync() thread (improves correctness of timestamps) */
gint8 *isready_soft_sync; /* 1 = ok, 0 = waiting, -1 = error */
struct timeval *timestamp_soft_sync;
pthread_t thread_soft_sync;
pthread_mutex_t mutex_soft_sync;
pthread_cond_t *cond_soft_sync;
/* num of queued frames and some pthread stuff to wait if there's not enough */
guint16 num_queued_frames;
pthread_mutex_t mutex_queued_frames;
pthread_cond_t cond_queued_frames;
/* list of available caps */
GstCaps *capslist;
/* caching values */
gint width;
gint height;
gint palette;
};
struct _GstV4lSrcClass {
GstV4lElementClass parent_class;
};
GType gst_v4lsrc_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_V4LSRC_H__ */