mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 04:31:06 +00:00
ec25d2a65c
Original commit message from CVS: Some nicer softsync thread work (patch by sjoerd@luon.net)
91 lines
2.5 KiB
C
91 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 GThread for the sync() thread (improves correctness of timestamps) */
|
|
gint8 *isready_soft_sync; /* 1 = ok, 0 = waiting, -1 = error */
|
|
struct timeval *timestamp_soft_sync;
|
|
GThread * thread_soft_sync;
|
|
GMutex * mutex_soft_sync;
|
|
GCond ** cond_soft_sync;
|
|
|
|
/* num of queued frames and some GThread stuff to wait if there's not enough */
|
|
GMutex * mutex_queued_frames;
|
|
GCond * cond_queued_frames;
|
|
/* True if we want the soft sync thread to stop */
|
|
gboolean quit;
|
|
|
|
/* first timestamp */
|
|
guint64 first_timestamp;
|
|
|
|
/* 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__ */
|