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94da473ba7
Adds 3-pad v4l2 camera source from Rob Clark's camerabin branch on http://gitorious.org/robclark-gstreamer/gst-plugins-bad
146 lines
4.6 KiB
C
146 lines
4.6 KiB
C
/*
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* GStreamer
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* Copyright (C) 2010 Texas Instruments, Inc
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_BASE_CAMERA_SRC_H__
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#define __GST_BASE_CAMERA_SRC_H__
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#include <gst/gst.h>
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#include <gst/gstbin.h>
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#include <gst/interfaces/photography.h>
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#include <gst/interfaces/colorbalance.h>
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#include "gstcamerabin-enum.h"
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G_BEGIN_DECLS
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#define GST_TYPE_BASE_CAMERA_SRC \
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(gst_base_camera_src_get_type())
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#define GST_BASE_CAMERA_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_CAMERA_SRC,GstBaseCameraSrc))
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#define GST_BASE_CAMERA_SRC_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BASE_CAMERA_SRC, GstBaseCameraSrcClass))
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#define GST_BASE_CAMERA_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_CAMERA_SRC,GstBaseCameraSrcClass))
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#define GST_IS_BASE_CAMERA_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_CAMERA_SRC))
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#define GST_IS_BASE_CAMERA_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_CAMERA_SRC))
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GType gst_base_camera_src_get_type (void);
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typedef struct _GstBaseCameraSrc GstBaseCameraSrc;
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typedef struct _GstBaseCameraSrcClass GstBaseCameraSrcClass;
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/**
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* GstBaseCameraSrc:
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*/
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struct _GstBaseCameraSrc
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{
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GstBin parent;
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GstPad *vfsrc;
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GstPad *imgsrc;
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GstPad *vidsrc;
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/* XXX preview pads? */
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/* Resolution of the buffers configured to camerabin */
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gint width;
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gint height;
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/* The digital zoom (from 100% to 1000%) */
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gint zoom;
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/* Image capture resolution */
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gint image_capture_width;
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gint image_capture_height;
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/* Frames per second configured to camerabin */
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gint fps_n;
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gint fps_d;
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/* Night mode handling */
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gboolean night_mode;
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gint pre_night_fps_n;
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gint pre_night_fps_d;
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gpointer _gst_reserved[GST_PADDING_LARGE];
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};
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/**
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* GstBaseCameraSrcClass:
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* @construct_pipeline: construct pipeline must be implemented by derived
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* class, and return by reference vfsrc, imgsrc, and vidsrc pads of the
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* contained pipeline, which will be ghosted to the src pads of the
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* camerasrc bin (and optionally the preview src pads?)
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* @setup_pipeline:
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* @set_zoom: set the zoom
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* @set_mode: set the mode
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*/
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struct _GstBaseCameraSrcClass
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{
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GstBinClass parent;
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/* construct pipeline must be implemented by derived class, and return by
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* reference vfsrc, imgsrc, and vidsrc pads of the contained pipeline, which
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* will be ghosted to the src pads of the camerasrc bin (and optionally the
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* preview src pads?) */
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gboolean (*construct_pipeline) (GstBaseCameraSrc *self,
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GstPad **vfsrc, GstPad **imgsrc,
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GstPad **vidsrc);
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/* optional */
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gboolean (*setup_pipeline) (GstBaseCameraSrc *self);
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/* set the zoom */
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void (*set_zoom) (GstBaseCameraSrc *self, gint zoom);
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/* set the mode */
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gboolean (*set_mode) (GstBaseCameraSrc *self,
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GstCameraBinMode mode);
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/* */
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GstCaps * (*get_allowed_input_caps) (GstBaseCameraSrc * self);
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/* optional */
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void (*finish_image_capture) (GstBaseCameraSrc * self);
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gpointer _gst_reserved[GST_PADDING_LARGE];
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};
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#define MIN_ZOOM 100
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#define MAX_ZOOM 1000
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#define ZOOM_1X MIN_ZOOM
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GstPhotography * gst_base_camera_src_get_photography (GstBaseCameraSrc *self);
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GstColorBalance * gst_base_camera_src_get_color_balance (GstBaseCameraSrc *self);
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gboolean gst_base_camera_src_set_mode (GstBaseCameraSrc *self, GstCameraBinMode mode);
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void gst_base_camera_src_setup_zoom (GstBaseCameraSrc * self);
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GstCaps * gst_base_camera_src_get_allowed_input_caps (GstBaseCameraSrc * self);
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void gst_base_camera_src_finish_image_capture (GstBaseCameraSrc * self);
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const GValue * gst_base_camera_src_find_better_framerate (
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GstBaseCameraSrc * self, GstStructure * st, const GValue * orig_framerate);
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// XXX add methods to get/set img capture and vid capture caps..
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#endif /* __GST_BASE_CAMERA_SRC_H__ */
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