gstreamer/sys/winks/gstksvideodevice.h
Nicolas Dufresne bd5e9a5442 ksvideosrc: Fix buffer handling
The pseudo buffer pool code was using gst_buffer_is_writable()
alone to try and figure-out if cached buffer could be reused.
It needs to check for memory writability too. Also check map
result and fix map flags.

https://bugzilla.gnome.org/show_bug.cgi?id=734264
2015-02-03 18:16:50 -05:00

86 lines
3.2 KiB
C

/*
* Copyright (C) 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_KS_VIDEO_DEVICE_H__
#define __GST_KS_VIDEO_DEVICE_H__
#include "gstksclock.h"
#include <gst/gst.h>
#include <windows.h>
#include <ks.h>
G_BEGIN_DECLS
#define GST_TYPE_KS_VIDEO_DEVICE \
(gst_ks_video_device_get_type ())
#define GST_KS_VIDEO_DEVICE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_KS_VIDEO_DEVICE, GstKsVideoDevice))
#define GST_KS_VIDEO_DEVICE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_KS_VIDEO_DEVICE, GstKsVideoDeviceClass))
#define GST_IS_KS_VIDEO_DEVICE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_KS_VIDEO_DEVICE))
#define GST_IS_KS_VIDEO_DEVICE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_KS_VIDEO_DEVICE))
typedef struct _GstKsVideoDevice GstKsVideoDevice;
typedef struct _GstKsVideoDeviceClass GstKsVideoDeviceClass;
typedef struct _GstKsVideoDevicePrivate GstKsVideoDevicePrivate;
typedef GstBuffer * (* GstKsAllocFunction)(guint buf_size, guint alignment, gpointer user_data);
struct _GstKsVideoDevice
{
GObject parent;
GstKsAllocFunction allocfunc;
gpointer allocfunc_data;
GstKsVideoDevicePrivate *priv;
};
struct _GstKsVideoDeviceClass
{
GObjectClass parent_class;
};
GType gst_ks_video_device_get_type (void);
GstKsVideoDevice * gst_ks_video_device_new (const gchar * device_path, GstKsClock * clock, GstKsAllocFunction allocfunc, gpointer allocfunc_data);
gboolean gst_ks_video_device_open (GstKsVideoDevice * self);
void gst_ks_video_device_close (GstKsVideoDevice * self);
GstCaps * gst_ks_video_device_get_available_caps (GstKsVideoDevice * self);
gboolean gst_ks_video_device_has_caps (GstKsVideoDevice * self);
gboolean gst_ks_video_device_set_caps (GstKsVideoDevice * self, GstCaps * caps);
gboolean gst_ks_video_device_set_state (GstKsVideoDevice * self, KSSTATE state, gulong * error_code);
GstClockTime gst_ks_video_device_get_duration (GstKsVideoDevice * self);
gboolean gst_ks_video_device_get_latency (GstKsVideoDevice * self, GstClockTime * min_latency, GstClockTime * max_latency);
GstFlowReturn gst_ks_video_device_read_frame (GstKsVideoDevice * self, GstBuffer ** buf, GstClockTime * presentation_time, gulong * error_code, gchar ** error_str);
gboolean gst_ks_video_device_postprocess_frame (GstKsVideoDevice * self, GstBuffer *buf);
void gst_ks_video_device_cancel (GstKsVideoDevice * self);
void gst_ks_video_device_cancel_stop (GstKsVideoDevice * self);
G_END_DECLS
#endif /* __GST_KS_VIDEO_DEVICE_H__ */