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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1a68da54b6
Enable reading jpeg data from webcam if it's supported. Note that this would be enabled only for Win32. For UWP, we need to research more about how to support jpeg. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1342>
124 lines
No EOL
4.2 KiB
C
124 lines
No EOL
4.2 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_MF_SOURCE_OBJECT_H__
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#define __GST_MF_SOURCE_OBJECT_H__
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#include <gst/gst.h>
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#include "gstmfutils.h"
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G_BEGIN_DECLS
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#define GST_TYPE_MF_SOURCE_OBJECT (gst_mf_source_object_get_type())
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#define GST_MF_SOURCE_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObject))
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#define GST_MF_SOURCE_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObjectClass))
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#define GST_IS_MF_SOURCE_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_MF_SOURCE_OBJECT))
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#define GST_IS_MF_SOURCE_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_MF_SOURCE_OBJECT))
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#define GST_MF_SOURCE_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_MF_SOURCE_OBJECT, GstMFSourceObjectClass))
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typedef struct _GstMFSourceObject GstMFSourceObject;
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typedef struct _GstMFSourceObjectClass GstMFSourceObjectClass;
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typedef struct _GstMFSourceObjectPrivate GstMFSourceObjectPrivate;
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typedef enum
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{
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GST_MF_SOURCE_TYPE_VIDEO,
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} GstMFSourceType;
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#define GST_TYPE_MF_SOURCE_TYPE (gst_mf_source_type_get_type())
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GType gst_mf_source_type_get_type (void);
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typedef struct
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{
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IMFActivate *handle;
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guint index;
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gchar *name;
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gchar *path;
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} GstMFDeviceActivate;
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struct _GstMFSourceObject
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{
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GstObject parent;
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gboolean opened;
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gchar *device_path;
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gchar *device_name;
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gint device_index;
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GstMFSourceObjectPrivate *priv;
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};
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struct _GstMFSourceObjectClass
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{
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GstObjectClass parent_class;
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gboolean (*open) (GstMFSourceObject * object,
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IMFActivate * activate);
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gboolean (*start) (GstMFSourceObject * object);
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gboolean (*stop) (GstMFSourceObject * object);
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gboolean (*close) (GstMFSourceObject * object);
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GstFlowReturn (*fill) (GstMFSourceObject * object,
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GstBuffer * buffer);
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GstFlowReturn (*create) (GstMFSourceObject * object,
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GstBuffer ** buffer);
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gboolean (*unlock) (GstMFSourceObject * object);
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gboolean (*unlock_stop) (GstMFSourceObject * object);
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GstCaps * (*get_caps) (GstMFSourceObject * object);
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gboolean (*set_caps) (GstMFSourceObject * object,
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GstCaps * caps);
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};
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GType gst_mf_source_object_get_type (void);
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gboolean gst_mf_source_object_start (GstMFSourceObject * object);
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gboolean gst_mf_source_object_stop (GstMFSourceObject * object);
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/* Used for raw format */
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GstFlowReturn gst_mf_source_object_fill (GstMFSourceObject * object,
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GstBuffer * buffer);
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/* Used for compressed/raw format */
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GstFlowReturn gst_mf_source_object_create (GstMFSourceObject * object,
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GstBuffer ** buffer);
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void gst_mf_source_object_set_flushing (GstMFSourceObject * object,
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gboolean flushing);
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GstCaps * gst_mf_source_object_get_caps (GstMFSourceObject * object);
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gboolean gst_mf_source_object_set_caps (GstMFSourceObject * object,
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GstCaps * caps);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstMFSourceObject, gst_object_unref)
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G_END_DECLS
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#endif /* __GST_MF_SOURCE_OBJECT_H__ */ |