1 /* GStreamer 2 * Copyright (C) 2021 Igalia, S.L. 3 * Author: Víctor Jáquez <vjaquez@igalia.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #pragma once 22 23 #include <gst/base/gstbasetransform.h> 24 25 #include "gstvafilter.h" 26 27 G_BEGIN_DECLS 28 29 #define GST_TYPE_VA_BASE_TRANSFORM (gst_va_base_transform_get_type()) 30 #define GST_VA_BASE_TRANSFORM(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_VA_BASE_TRANSFORM, GstVaBaseTransform)) 31 #define GST_IS_VA_BASE_TRANSFORM(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_VA_BASE_TRANSFORM)) 32 #define GST_VA_BASE_TRANSFORM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_VA_BASE_TRANSFORM, GstVaBaseTransformClass)) 33 #define GST_IS_VA_BASE_TRANSFORM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_VA_BASE_TRANSFORM)) 34 #define GST_VA_BASE_TRANSFORM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_VA_BASE_TRANSFORM, GstVaBaseTransformClass)) 35 36 typedef struct _GstVaBaseTransform GstVaBaseTransform; 37 typedef struct _GstVaBaseTransformClass GstVaBaseTransformClass; 38 typedef struct _GstVaBaseTransformPrivate GstVaBaseTransformPrivate; 39 40 struct _GstVaBaseTransform 41 { 42 GstBaseTransform parent; 43 44 /*< public >*/ 45 GstVaDisplay *display; 46 GstVaFilter *filter; 47 48 GstCaps *in_caps; 49 GstCaps *out_caps; 50 GstVideoInfo in_info; 51 GstVideoInfo out_info; 52 53 gboolean negotiated; 54 55 guint extra_min_buffers; 56 57 /*< private >*/ 58 GstVaBaseTransformPrivate *priv; 59 60 gpointer _padding[GST_PADDING]; 61 }; 62 63 struct _GstVaBaseTransformClass 64 { 65 GstBaseTransformClass parent_class; 66 67 /*< public >*/ 68 gboolean (*set_info) (GstVaBaseTransform *self, 69 GstCaps *incaps, GstVideoInfo *in_info, 70 GstCaps *outcaps, GstVideoInfo *out_info); 71 72 void (*update_properties) (GstVaBaseTransform *self); 73 74 /*< private >*/ 75 gchar *render_device_path; 76 77 gpointer _padding[GST_PADDING]; 78 }; 79 80 GType gst_va_base_transform_get_type (void); 81 82 GstAllocator * gst_va_base_transform_allocator_from_caps 83 (GstVaBaseTransform * self, 84 GstCaps * caps); 85 86 GstFlowReturn gst_va_base_transform_import_buffer (GstVaBaseTransform * self, 87 GstBuffer * inbuf, 88 GstBuffer ** buf); 89 90 GstCaps * gst_va_base_transform_get_filter_caps 91 (GstVaBaseTransform * self); 92 93 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVaBaseTransform, gst_object_unref) 94 95 G_END_DECLS 96