gstreamer/gst/camerabin2/gstwrappercamerabinsrc.h
Oleksij Rempel e8a3973b8f camerabin2: check negotiated caps avoid reseting of the pipe
To avoid useless renegotiation of the pipe we can check for
negotiated caps on src_filter and compare it with requested
filter. If the caps intersect, avoid restart.

Signed-off-by: Oleksij Rempel <bug-track@fisher-privat.net>

https://bugzilla.gnome.org/show_bug.cgi?id=672610
2015-03-04 07:56:51 -03:00

134 lines
3.7 KiB
C

/*
* GStreamer
* Copyright (C) 2010 Texas Instruments, Inc
* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
*
* 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_WRAPPER_CAMERA_BIN_SRC_H__
#define __GST_WRAPPER_CAMERA_BIN_SRC_H__
#include <gst/gst.h>
#include <gst/basecamerabinsrc/gstbasecamerasrc.h>
#include <gst/basecamerabinsrc/gstcamerabinpreview.h>
#include "camerabingeneral.h"
G_BEGIN_DECLS
#define GST_TYPE_WRAPPER_CAMERA_BIN_SRC \
(gst_wrapper_camera_bin_src_get_type())
#define GST_WRAPPER_CAMERA_BIN_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WRAPPER_CAMERA_BIN_SRC,GstWrapperCameraBinSrc))
#define GST_WRAPPER_CAMERA_BIN_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WRAPPER_CAMERA_BIN_SRC,GstWrapperCameraBinSrcClass))
#define GST_IS_WRAPPER_CAMERA_BIN_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WRAPPER_CAMERA_BIN_SRC))
#define GST_IS_WRAPPER_CAMERA_BIN_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WRAPPER_CAMERA_BIN_SRC))
GType gst_wrapper_camera_bin_src_get_type (void);
typedef struct _GstWrapperCameraBinSrc GstWrapperCameraBinSrc;
typedef struct _GstWrapperCameraBinSrcClass GstWrapperCameraBinSrcClass;
enum GstVideoRecordingStatus {
GST_VIDEO_RECORDING_STATUS_DONE,
GST_VIDEO_RECORDING_STATUS_STARTING,
GST_VIDEO_RECORDING_STATUS_RUNNING,
GST_VIDEO_RECORDING_STATUS_FINISHING
};
/**
* GstWrapperCameraBinSrc:
*
*/
struct _GstWrapperCameraBinSrc
{
GstBaseCameraSrc parent;
GstCameraBinMode mode;
GstPad *srcfilter_pad;
GstPad *vfsrc;
GstPad *imgsrc;
GstPad *vidsrc;
/* video recording controls */
gint video_rec_status;
/* image capture controls */
gint image_capture_count;
/* source elements */
GstElement *src_vid_src;
GstElement *video_filter;
GstElement *src_filter;
GstElement *src_zoom_crop;
GstElement *src_zoom_scale;
GstElement *src_zoom_filter;
GstElement *output_selector;
gboolean elements_created;
gulong src_event_probe_id;
gulong src_max_zoom_signal_id;
GstPad *outsel_imgpad;
GstPad *outsel_vidpad;
/* For changing caps without losing timestamps */
gboolean drop_newseg;
/* Application configurable elements */
GstElement *app_vid_src;
GstElement *app_vid_filter;
/* Caps that videosrc supports */
GstCaps *allowed_caps;
/* Optional base crop for frames. Used to crop frames e.g.
due to wrong aspect ratio, before the crop related to zooming. */
gint base_crop_top;
gint base_crop_bottom;
gint base_crop_left;
gint base_crop_right;
/* Caps applied to capsfilters when in view finder mode */
GstCaps *view_finder_caps;
/* Caps applied to capsfilters when taking still image */
GstCaps *image_capture_caps;
gboolean image_renegotiate;
gboolean video_renegotiate;
};
/**
* GstWrapperCameraBinSrcClass:
*
*/
struct _GstWrapperCameraBinSrcClass
{
GstBaseCameraSrcClass parent;
};
gboolean gst_wrapper_camera_bin_src_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_WRAPPER_CAMERA_BIN_SRC_H__ */