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Diffstat (limited to 'src/gstdsp66videokernel.c')
-rw-r--r-- | src/gstdsp66videokernel.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/src/gstdsp66videokernel.c b/src/gstdsp66videokernel.c new file mode 100644 index 0000000..b273e4b --- /dev/null +++ b/src/gstdsp66videokernel.c | |||
@@ -0,0 +1,251 @@ | |||
1 | /* GStreamer | ||
2 | * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> | ||
3 | * | ||
4 | * This library is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU Library General Public | ||
6 | * License as published by the Free Software Foundation; either | ||
7 | * version 2 of the License, or (at your option) any later version. | ||
8 | * | ||
9 | * This library is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
12 | * Library General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU Library General Public | ||
15 | * License along with this library; if not, write to the | ||
16 | * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, | ||
17 | * Boston, MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | #ifdef HAVE_CONFIG_H | ||
21 | #include "config.h" | ||
22 | #endif | ||
23 | #include <string.h> | ||
24 | #include "gstdsp66videokernel.h" | ||
25 | |||
26 | static GstStaticPadTemplate dsp66_video_kernel_src_factory = | ||
27 | GST_STATIC_PAD_TEMPLATE ("src", | ||
28 | GST_PAD_SRC, | ||
29 | GST_PAD_ALWAYS, | ||
30 | GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ I420, YV12 }")) | ||
31 | ); | ||
32 | |||
33 | static GstStaticPadTemplate dsp66_video_kernel_sink_factory = | ||
34 | GST_STATIC_PAD_TEMPLATE ("sink", | ||
35 | GST_PAD_SINK, | ||
36 | GST_PAD_ALWAYS, | ||
37 | GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ I420, YV12 }")) | ||
38 | ); | ||
39 | |||
40 | /* Kernel signals and args */ | ||
41 | enum | ||
42 | { | ||
43 | /* FILL ME */ | ||
44 | LAST_SIGNAL | ||
45 | }; | ||
46 | |||
47 | #define DEFAULT_FILTERSIZE 5 | ||
48 | #define DEFAULT_LUM_ONLY TRUE | ||
49 | #define DEFAULT_KERNELTYPE GST_DSP66_VIDEO_KERNELTYPE_MEDIAN | ||
50 | enum | ||
51 | { | ||
52 | PROP_0, | ||
53 | PROP_FILTERSIZE, | ||
54 | PROP_LUM_ONLY, | ||
55 | PROP_KERNELTYPE | ||
56 | }; | ||
57 | |||
58 | #define GST_TYPE_VIDEO_KERNEL_SIZE (gst_dsp66_video_kernel_size_get_type()) | ||
59 | #define GST_TYPE_VIDEO_KERNELTYPE_SIZE (gst_dsp66_video_kerneltype_size_get_type()) | ||
60 | |||
61 | static const GEnumValue dsp66_video_kernel_sizes[] = { | ||
62 | {GST_DSP66_VIDEO_KERNEL_SIZE_5, "Kernel of 5 neighbour pixels", "5"}, | ||
63 | {GST_DSP66_VIDEO_KERNEL_SIZE_9, "Kernel of 9 neighbour pixels", "9"}, | ||
64 | {0, NULL, NULL}, | ||
65 | }; | ||
66 | static const GEnumValue dsp66_video_kerneltype_sizes[] = { | ||
67 | {GST_DSP66_VIDEO_KERNELTYPE_MEDIAN, "Kernel median", "0"}, | ||
68 | {GST_DSP66_VIDEO_KERNELTYPE_SOBEL, "Kernel sobel", "1"}, | ||
69 | {0, NULL, NULL}, | ||
70 | }; | ||
71 | |||
72 | static GType | ||
73 | gst_dsp66_video_kernel_size_get_type (void) | ||
74 | { | ||
75 | static GType dsp66_video_kernel_size_type = 0; | ||
76 | |||
77 | if (!dsp66_video_kernel_size_type) { | ||
78 | dsp66_video_kernel_size_type = g_enum_register_static ("GstDsp66VideoKernelSize", | ||
79 | dsp66_video_kernel_sizes); | ||
80 | } | ||
81 | return dsp66_video_kernel_size_type; | ||
82 | } | ||
83 | |||
84 | static GType | ||
85 | gst_dsp66_video_kerneltype_size_get_type (void) | ||
86 | { | ||
87 | static GType dsp66_video_kerneltype_size_type = 0; | ||
88 | |||
89 | if (!dsp66_video_kerneltype_size_type) { | ||
90 | dsp66_video_kerneltype_size_type = g_enum_register_static ("GstDsp66VideoKernelTypeSize", | ||
91 | dsp66_video_kerneltype_sizes); | ||
92 | } | ||
93 | return dsp66_video_kerneltype_size_type; | ||
94 | } | ||
95 | |||
96 | #define gst_dsp66_video_kernel_parent_class parent_class | ||
97 | G_DEFINE_TYPE (GstDsp66VideoKernel, gst_dsp66_video_kernel, GST_TYPE_VIDEO_FILTER); | ||
98 | |||
99 | static GstFlowReturn gst_dsp66_video_kernel_transform_frame (GstVideoFilter * filter, | ||
100 | GstVideoFrame * in_frame, GstVideoFrame * out_frame); | ||
101 | |||
102 | static void gst_dsp66_video_kernel_set_property (GObject * object, guint prop_id, | ||
103 | const GValue * value, GParamSpec * pspec); | ||
104 | static void gst_dsp66_video_kernel_get_property (GObject * object, guint prop_id, | ||
105 | GValue * value, GParamSpec * pspec); | ||
106 | |||
107 | static void | ||
108 | gst_dsp66_video_kernel_class_init (GstDsp66VideoKernelClass * klass) | ||
109 | { | ||
110 | GObjectClass *gobject_class; | ||
111 | GstElementClass *gstelement_class; | ||
112 | GstVideoFilterClass *vfilter_class; | ||
113 | |||
114 | gobject_class = (GObjectClass *) klass; | ||
115 | gstelement_class = (GstElementClass *) klass; | ||
116 | vfilter_class = (GstVideoFilterClass *) klass; | ||
117 | |||
118 | gobject_class->set_property = gst_dsp66_video_kernel_set_property; | ||
119 | gobject_class->get_property = gst_dsp66_video_kernel_get_property; | ||
120 | |||
121 | g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILTERSIZE, | ||
122 | g_param_spec_enum ("filtersize", "Filtersize", "The size of the filter (5 or 9)", | ||
123 | GST_TYPE_VIDEO_KERNEL_SIZE, DEFAULT_FILTERSIZE, | ||
124 | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); | ||
125 | |||
126 | g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_KERNELTYPE, | ||
127 | g_param_spec_enum ("kerneltype", "Kerneltype", "Type of kernel (0=median, 1=sobel)", | ||
128 | GST_TYPE_VIDEO_KERNELTYPE_SIZE, DEFAULT_KERNELTYPE, | ||
129 | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); | ||
130 | |||
131 | g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LUM_ONLY, | ||
132 | g_param_spec_boolean ("lum-only", "Lum Only", "Only apply filter on " | ||
133 | "luminance", DEFAULT_LUM_ONLY, | ||
134 | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); | ||
135 | |||
136 | gst_element_class_add_pad_template (gstelement_class, | ||
137 | gst_static_pad_template_get (&dsp66_video_kernel_sink_factory)); | ||
138 | gst_element_class_add_pad_template (gstelement_class, | ||
139 | gst_static_pad_template_get (&dsp66_video_kernel_src_factory)); | ||
140 | gst_element_class_set_static_metadata (gstelement_class, "Video kernels (choose: kerneltype, filtersize, lum-only)", | ||
141 | "Video Kernel", | ||
142 | "Apply a kernel via DSP C66 offload to an image", | ||
143 | "based on work by: Wim Taymans <wim.taymans@gmail.com>"); | ||
144 | |||
145 | vfilter_class->transform_frame = | ||
146 | GST_DEBUG_FUNCPTR (gst_dsp66_video_kernel_transform_frame); | ||
147 | } | ||
148 | |||
149 | void | ||
150 | gst_dsp66_video_kernel_init (GstDsp66VideoKernel * kernel) | ||
151 | { | ||
152 | kernel->filtersize = DEFAULT_FILTERSIZE; | ||
153 | kernel->kerneltype = DEFAULT_KERNELTYPE; | ||
154 | kernel->lum_only = DEFAULT_LUM_ONLY; | ||
155 | } | ||
156 | |||
157 | extern int oclconv_kernel(int kernel_type, int kernel_size, unsigned char *src, unsigned char *dest, int width, int height, int sstride, int dstride); | ||
158 | |||
159 | static int | ||
160 | imgproc (gint kerneltype, gint filtersize, | ||
161 | guint8 * dest, gint dstride, | ||
162 | const guint8 * src, gint sstride, | ||
163 | gint width, gint height) | ||
164 | { | ||
165 | return oclconv_kernel(kerneltype, filtersize, (unsigned char *)src, (unsigned char *)dest, width, height, sstride, dstride); | ||
166 | } | ||
167 | |||
168 | static GstFlowReturn | ||
169 | gst_dsp66_video_kernel_transform_frame (GstVideoFilter * filter, | ||
170 | GstVideoFrame * in_frame, GstVideoFrame * out_frame) | ||
171 | { | ||
172 | GstDsp66VideoKernel *kernel = GST_DSP66_VIDEO_KERNEL (filter); | ||
173 | |||
174 | if(imgproc (kernel->kerneltype, kernel->filtersize, | ||
175 | GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0), | ||
176 | GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0), | ||
177 | GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0), | ||
178 | GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0), | ||
179 | GST_VIDEO_FRAME_WIDTH (in_frame), GST_VIDEO_FRAME_HEIGHT (in_frame)) < 0) | ||
180 | { | ||
181 | gst_video_frame_copy_plane (out_frame, in_frame, 0); | ||
182 | gst_video_frame_copy_plane (out_frame, in_frame, 1); | ||
183 | gst_video_frame_copy_plane (out_frame, in_frame, 2); | ||
184 | } | ||
185 | if (kernel->lum_only) { | ||
186 | gst_video_frame_copy_plane (out_frame, in_frame, 1); | ||
187 | gst_video_frame_copy_plane (out_frame, in_frame, 2); | ||
188 | } else { | ||
189 | imgproc (kernel->kerneltype, kernel->filtersize, | ||
190 | GST_VIDEO_FRAME_PLANE_DATA (out_frame, 1), | ||
191 | GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 1), | ||
192 | GST_VIDEO_FRAME_PLANE_DATA (in_frame, 1), | ||
193 | GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 1), | ||
194 | GST_VIDEO_FRAME_WIDTH (in_frame) / 2, | ||
195 | GST_VIDEO_FRAME_HEIGHT (in_frame) / 2); | ||
196 | imgproc (kernel->kerneltype, kernel->filtersize, | ||
197 | GST_VIDEO_FRAME_PLANE_DATA (out_frame, 2), | ||
198 | GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 2), | ||
199 | GST_VIDEO_FRAME_PLANE_DATA (in_frame, 2), | ||
200 | GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 2), | ||
201 | GST_VIDEO_FRAME_WIDTH (in_frame) / 2, | ||
202 | GST_VIDEO_FRAME_HEIGHT (in_frame) / 2); | ||
203 | } | ||
204 | |||
205 | return GST_FLOW_OK; | ||
206 | } | ||
207 | |||
208 | static void | ||
209 | gst_dsp66_video_kernel_set_property (GObject * object, guint prop_id, | ||
210 | const GValue * value, GParamSpec * pspec) | ||
211 | { | ||
212 | GstDsp66VideoKernel *kernel; | ||
213 | |||
214 | kernel = GST_DSP66_VIDEO_KERNEL (object); | ||
215 | |||
216 | switch (prop_id) { | ||
217 | case PROP_FILTERSIZE: | ||
218 | kernel->filtersize = g_value_get_enum (value); | ||
219 | break; | ||
220 | case PROP_LUM_ONLY: | ||
221 | kernel->lum_only = g_value_get_boolean (value); | ||
222 | break; | ||
223 | case PROP_KERNELTYPE: | ||
224 | kernel->kerneltype = g_value_get_enum (value); | ||
225 | break; | ||
226 | default: | ||
227 | break; | ||
228 | } | ||
229 | } | ||
230 | |||
231 | static void | ||
232 | gst_dsp66_video_kernel_get_property (GObject * object, guint prop_id, GValue * value, | ||
233 | GParamSpec * pspec) | ||
234 | { | ||
235 | GstDsp66VideoKernel *kernel; | ||
236 | |||
237 | kernel = GST_DSP66_VIDEO_KERNEL (object); | ||
238 | |||
239 | switch (prop_id) { | ||
240 | case PROP_FILTERSIZE: | ||
241 | g_value_set_enum (value, kernel->filtersize); | ||
242 | break; | ||
243 | case PROP_LUM_ONLY: | ||
244 | g_value_set_boolean (value, kernel->lum_only); | ||
245 | break; | ||
246 | default: | ||
247 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); | ||
248 | break; | ||
249 | } | ||
250 | } | ||
251 | /** nothing past this point **/ | ||