mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 18:21:04 +00:00
159 lines
5 KiB
C
159 lines
5 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2010 Texas Instruments, Inc
|
|
* Copyright (C) 2011 Thiago Santos <thiago.sousa.santos@collabora.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_BASE_CAMERA_SRC_H__
|
|
#define __GST_BASE_CAMERA_SRC_H__
|
|
|
|
#ifndef GST_USE_UNSTABLE_API
|
|
#warning "GstBaseCameraSrc is unstable API and may change in future."
|
|
#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/gstbin.h>
|
|
#include "basecamerabinsrc-prelude.h"
|
|
#include "gstcamerabin-enum.h"
|
|
#include "gstcamerabinpreview.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_BASE_CAMERA_SRC \
|
|
(gst_base_camera_src_get_type())
|
|
#define GST_BASE_CAMERA_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_CAMERA_SRC,GstBaseCameraSrc))
|
|
#define GST_BASE_CAMERA_SRC_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BASE_CAMERA_SRC, GstBaseCameraSrcClass))
|
|
#define GST_BASE_CAMERA_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_CAMERA_SRC,GstBaseCameraSrcClass))
|
|
#define GST_IS_BASE_CAMERA_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_CAMERA_SRC))
|
|
#define GST_IS_BASE_CAMERA_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_CAMERA_SRC))
|
|
#define GST_BASE_CAMERA_SRC_CAST(obj) \
|
|
((GstBaseCameraSrc *) (obj))
|
|
GST_BASE_CAMERA_BIN_SRC_API
|
|
GType gst_base_camera_src_get_type (void);
|
|
|
|
typedef struct _GstBaseCameraSrc GstBaseCameraSrc;
|
|
typedef struct _GstBaseCameraSrcClass GstBaseCameraSrcClass;
|
|
|
|
#define GST_BASE_CAMERA_SRC_VIEWFINDER_PAD_NAME "vfsrc"
|
|
#define GST_BASE_CAMERA_SRC_IMAGE_PAD_NAME "imgsrc"
|
|
#define GST_BASE_CAMERA_SRC_VIDEO_PAD_NAME "vidsrc"
|
|
|
|
#define GST_BASE_CAMERA_SRC_PREVIEW_MESSAGE_NAME "preview-image"
|
|
|
|
/**
|
|
* GstBaseCameraSrc:
|
|
*/
|
|
struct _GstBaseCameraSrc
|
|
{
|
|
GstBin parent;
|
|
|
|
GstCameraBinMode mode;
|
|
|
|
gboolean auto_start;
|
|
gboolean capturing;
|
|
GMutex capturing_mutex;
|
|
|
|
/* Preview convert pipeline */
|
|
GstCaps *preview_caps;
|
|
gboolean post_preview;
|
|
GstElement *preview_filter;
|
|
GstCameraBinPreviewPipelineData *preview_pipeline;
|
|
|
|
/* Resolution of the buffers configured to camerabin */
|
|
gint width;
|
|
gint height;
|
|
|
|
gfloat zoom;
|
|
gfloat max_zoom;
|
|
|
|
gpointer _gst_reserved[GST_PADDING_LARGE];
|
|
};
|
|
|
|
|
|
/**
|
|
* GstBaseCameraSrcClass:
|
|
* @construct_pipeline: construct pipeline
|
|
* @setup_pipeline: configure pipeline for the chosen settings
|
|
* @set_zoom: set the zoom
|
|
* @set_mode: set the mode
|
|
*/
|
|
struct _GstBaseCameraSrcClass
|
|
{
|
|
GstBinClass parent;
|
|
|
|
/* Construct pipeline. (called in GST_STATE_CHANGE_NULL_TO_READY) Optional. */
|
|
gboolean (*construct_pipeline) (GstBaseCameraSrc *self);
|
|
|
|
/* (called in GST_STATE_CHANGE_READY_TO_PAUSED). Optional. */
|
|
gboolean (*setup_pipeline) (GstBaseCameraSrc *self);
|
|
|
|
/* Set the zoom. If set, called when changing 'zoom' property. Optional. */
|
|
void (*set_zoom) (GstBaseCameraSrc *self, gfloat zoom);
|
|
|
|
/* Set the mode. If set, called when changing 'mode' property. Optional. */
|
|
gboolean (*set_mode) (GstBaseCameraSrc *self,
|
|
GstCameraBinMode mode);
|
|
|
|
/* Set preview caps. If set, called called when setting new 'preview-caps'. Optional. */
|
|
gboolean (*set_preview) (GstBaseCameraSrc *self,
|
|
GstCaps *preview_caps);
|
|
|
|
/* Called by the handler for 'start-capture'. Mandatory. */
|
|
gboolean (*start_capture) (GstBaseCameraSrc * src);
|
|
|
|
/* Called by the handler for 'stop-capture'. Mandatory. */
|
|
void (*stop_capture) (GstBaseCameraSrc * src);
|
|
|
|
gpointer _gst_reserved[GST_PADDING_LARGE];
|
|
};
|
|
|
|
|
|
/* FIXME: these should be properly namespaced if they're meant as exposed API */
|
|
#ifndef __GI_SCANNER__
|
|
#define MIN_ZOOM 1.0f
|
|
#define MAX_ZOOM 10.0f
|
|
#define ZOOM_1X MIN_ZOOM
|
|
#endif /* !__GI_SCANNER__ */
|
|
|
|
GST_BASE_CAMERA_BIN_SRC_API
|
|
gboolean gst_base_camera_src_set_mode (GstBaseCameraSrc *self, GstCameraBinMode mode);
|
|
|
|
GST_BASE_CAMERA_BIN_SRC_API
|
|
void gst_base_camera_src_setup_zoom (GstBaseCameraSrc * self);
|
|
|
|
GST_BASE_CAMERA_BIN_SRC_API
|
|
void gst_base_camera_src_setup_preview (GstBaseCameraSrc * self, GstCaps * preview_caps);
|
|
|
|
GST_BASE_CAMERA_BIN_SRC_API
|
|
void gst_base_camera_src_finish_capture (GstBaseCameraSrc *self);
|
|
|
|
|
|
GST_BASE_CAMERA_BIN_SRC_API
|
|
void gst_base_camera_src_post_preview (GstBaseCameraSrc *self, GstSample * sample);
|
|
// XXX add methods to get/set img capture and vid capture caps..
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_BASE_CAMERA_SRC_H__ */
|