1 /* Video conversion api function
2 * Copyright (C) 2014 Wim Taymans <wim.taymans@gmail.com>
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.
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.
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.
20 #ifndef __GST_VIDEO_CONVERTER_H__
21 #define __GST_VIDEO_CONVERTER_H__
23 #include <gst/video/video.h>
28 * GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD:
30 * #GST_TYPE_RESAMPLER_METHOD, The resampler method to use for
31 * resampling. Other options for the resampler can be used, see
32 * the #GstResampler. Default is #GST_RESAMPLER_METHOD_CUBIC
34 #define GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD "GstVideoConverter.resampler-method"
36 * GST_VIDEO_CONVERTER_OPT_CHROMA_RESAMPLER_METHOD:
38 * #GST_TYPE_RESAMPLER_METHOD, The resampler method to use for
39 * chroma resampling. Other options for the resampler can be used, see
40 * the #GstResampler. Default is #GST_RESAMPLER_METHOD_LINEAR
42 #define GST_VIDEO_CONVERTER_OPT_CHROMA_RESAMPLER_METHOD "GstVideoConverter.chroma-resampler-method"
44 * GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS:
46 * #G_TYPE_UINT, The number of taps for the resampler.
47 * Default is 0: let the resampler choose a good value.
49 #define GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS "GstVideoConverter.resampler-taps"
52 * GST_VIDEO_CONVERTER_OPT_DITHER_METHOD:
54 * #GST_TYPE_VIDEO_DITHER_METHOD, The dither method to use when
56 * Default is #GST_VIDEO_DITHER_BAYER.
58 #define GST_VIDEO_CONVERTER_OPT_DITHER_METHOD "GstVideoConverter.dither-method"
61 * GST_VIDEO_CONVERTER_OPT_DITHER_QUANTIZATION:
63 * #G_TYPE_UINT, The quantization amount to dither to. Components will be
64 * quantized to multiples of this value.
67 #define GST_VIDEO_CONVERTER_OPT_DITHER_QUANTIZATION "GstVideoConverter.dither-quantization"
70 * GST_VIDEO_CONVERTER_OPT_SRC_X:
72 * #G_TYPE_INT, source x position to start conversion, default 0
74 #define GST_VIDEO_CONVERTER_OPT_SRC_X "GstVideoConverter.src-x"
76 * GST_VIDEO_CONVERTER_OPT_SRC_Y:
78 * #G_TYPE_INT, source y position to start conversion, default 0
80 #define GST_VIDEO_CONVERTER_OPT_SRC_Y "GstVideoConverter.src-y"
82 * GST_VIDEO_CONVERTER_OPT_SRC_WIDTH:
84 * #G_TYPE_INT, source width to convert, default source width
86 #define GST_VIDEO_CONVERTER_OPT_SRC_WIDTH "GstVideoConverter.src-width"
88 * GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT:
90 * #G_TYPE_INT, source height to convert, default source height
92 #define GST_VIDEO_CONVERTER_OPT_SRC_HEIGHT "GstVideoConverter.src-height"
95 * GST_VIDEO_CONVERTER_OPT_DEST_X:
97 * #G_TYPE_INT, x position in the destination frame, default 0
99 #define GST_VIDEO_CONVERTER_OPT_DEST_X "GstVideoConverter.dest-x"
101 * GST_VIDEO_CONVERTER_OPT_DEST_Y:
103 * #G_TYPE_INT, y position in the destination frame, default 0
105 #define GST_VIDEO_CONVERTER_OPT_DEST_Y "GstVideoConverter.dest-y"
107 * GST_VIDEO_CONVERTER_OPT_DEST_WIDTH:
109 * #G_TYPE_INT, width in the destination frame, default destination width
111 #define GST_VIDEO_CONVERTER_OPT_DEST_WIDTH "GstVideoConverter.dest-width"
113 * GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT:
115 * #G_TYPE_INT, height in the destination frame, default destination height
117 #define GST_VIDEO_CONVERTER_OPT_DEST_HEIGHT "GstVideoConverter.dest-height"
120 * GST_VIDEO_CONVERTER_OPT_FILL_BORDER:
122 * #G_TYPE_BOOLEAN, if the destination rectangle does not fill the complete
123 * destination image, render a border with
124 * #GST_VIDEO_CONVERTER_OPT_BORDER_ARGB. Otherwise the unusded pixels in the
125 * destination are untouched. Default %TRUE.
127 #define GST_VIDEO_CONVERTER_OPT_FILL_BORDER "GstVideoConverter.fill-border"
129 * GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE:
131 * #G_TYPE_DOUBLE, the alpha color value to use.
134 #define GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE "GstVideoConverter.alpha-value"
137 * @GST_VIDEO_ALPHA_MODE_COPY: When input and output have alpha, it will be copied.
138 * When the input has no alpha, alpha will be set to
139 * #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE
140 * @GST_VIDEO_ALPHA_MODE_SET: set all alpha to
141 * #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE
142 * @GST_VIDEO_ALPHA_MODE_MULT: multiply all alpha with
143 * #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE.
144 * When the input format has no alpha but the output format has, the
145 * alpha value will be set to #GST_VIDEO_CONVERTER_OPT_ALPHA_VALUE
147 * Different alpha modes.
152 GST_VIDEO_ALPHA_MODE_COPY,
153 GST_VIDEO_ALPHA_MODE_SET,
154 GST_VIDEO_ALPHA_MODE_MULT
157 * GST_VIDEO_CONVERTER_OPT_ALPHA_MODE:
159 * #GST_TYPE_VIDEO_ALPHA_MODE, the alpha mode to use.
160 * Default is #GST_VIDEO_ALPHA_MODE_COPY.
162 #define GST_VIDEO_CONVERTER_OPT_ALPHA_MODE "GstVideoConverter.alpha-mode"
164 * GST_VIDEO_CONVERTER_OPT_BORDER_ARGB:
166 * #G_TYPE_UINT, the border color to use if #GST_VIDEO_CONVERTER_OPT_FILL_BORDER
167 * is set to %TRUE. The color is in ARGB format.
170 #define GST_VIDEO_CONVERTER_OPT_BORDER_ARGB "GstVideoConverter.border-argb"
173 * GstVideoChromaMode:
174 * @GST_VIDEO_CHROMA_MODE_FULL: do full chroma up and down sampling
175 * @GST_VIDEO_CHROMA_MODE_UPSAMPLE_ONLY: only perform chroma upsampling
176 * @GST_VIDEO_CHROMA_MODE_DOWNSAMPLE_ONLY: only perform chroma downsampling
177 * @GST_VIDEO_CHROMA_MODE_NONE: disable chroma resampling
179 * Different chroma downsampling and upsampling modes
184 GST_VIDEO_CHROMA_MODE_FULL,
185 GST_VIDEO_CHROMA_MODE_UPSAMPLE_ONLY,
186 GST_VIDEO_CHROMA_MODE_DOWNSAMPLE_ONLY,
187 GST_VIDEO_CHROMA_MODE_NONE
188 } GstVideoChromaMode;
191 * GST_VIDEO_CONVERTER_OPT_CHROMA_MODE:
193 * #GST_TYPE_VIDEO_CHROMA_MODE, set the chroma resample mode subsampled
194 * formats. Default is #GST_VIDEO_CHROMA_MODE_FULL.
196 #define GST_VIDEO_CONVERTER_OPT_CHROMA_MODE "GstVideoConverter.chroma-mode"
200 * @GST_VIDEO_MATRIX_MODE_FULL: do conversion between color matrices
201 * @GST_VIDEO_MATRIX_MODE_INPUT_ONLY: use the input color matrix to convert
203 * @GST_VIDEO_MATRIX_MODE_OUTPUT_ONLY: use the output color matrix to convert
205 * @GST_VIDEO_MATRIX_MODE_NONE: disable color matrix conversion.
207 * Different color matrix conversion modes
212 GST_VIDEO_MATRIX_MODE_FULL,
213 GST_VIDEO_MATRIX_MODE_INPUT_ONLY,
214 GST_VIDEO_MATRIX_MODE_OUTPUT_ONLY,
215 GST_VIDEO_MATRIX_MODE_NONE
216 } GstVideoMatrixMode;
218 * GST_VIDEO_CONVERTER_OPT_MATRIX_MODE:
220 * #GST_TYPE_VIDEO_MATRIX_MODE, set the color matrix conversion mode for
221 * converting between Y'PbPr and non-linear RGB (R'G'B').
222 * Default is #GST_VIDEO_MATRIX_MODE_FULL.
224 #define GST_VIDEO_CONVERTER_OPT_MATRIX_MODE "GstVideoConverter.matrix-mode"
227 * @GST_VIDEO_GAMMA_MODE_NONE: disable gamma handling
228 * @GST_VIDEO_GAMMA_MODE_REMAP: convert between input and output gamma
229 * Different gamma conversion modes
234 GST_VIDEO_GAMMA_MODE_NONE,
235 GST_VIDEO_GAMMA_MODE_REMAP
238 * GST_VIDEO_CONVERTER_OPT_GAMMA_MODE:
240 * #GST_TYPE_VIDEO_GAMMA_MODE, set the gamma mode.
241 * Default is #GST_VIDEO_GAMMA_MODE_NONE.
243 #define GST_VIDEO_CONVERTER_OPT_GAMMA_MODE "GstVideoConverter.gamma-mode"
245 * GstVideoPrimariesMode:
246 * @GST_VIDEO_PRIMARIES_MODE_NONE: disable conversion between primaries
247 * @GST_VIDEO_PRIMARIES_MODE_MERGE_ONLY: do conversion between primaries only
248 * when it can be merged with color matrix conversion.
249 * @GST_VIDEO_PRIMARIES_MODE_FAST: fast conversion between primaries
251 * Different primaries conversion modes
256 GST_VIDEO_PRIMARIES_MODE_NONE,
257 GST_VIDEO_PRIMARIES_MODE_MERGE_ONLY,
258 GST_VIDEO_PRIMARIES_MODE_FAST
259 } GstVideoPrimariesMode;
261 * GST_VIDEO_CONVERTER_OPT_PRIMARIES_MODE:
263 * #GST_TYPE_VIDEO_PRIMARIES_MODE, set the primaries conversion mode.
264 * Default is #GST_VIDEO_PRIMARIES_MODE_NONE.
266 #define GST_VIDEO_CONVERTER_OPT_PRIMARIES_MODE "GstVideoConverter.primaries-mode"
269 * GST_VIDEO_CONVERTER_OPT_THREADS:
271 * #G_TYPE_UINT, maximum number of threads to use. Default 1, 0 for the number
274 #define GST_VIDEO_CONVERTER_OPT_THREADS "GstVideoConverter.threads"
276 typedef struct _GstVideoConverter GstVideoConverter;
279 GstVideoConverter * gst_video_converter_new (GstVideoInfo *in_info,
280 GstVideoInfo *out_info,
281 GstStructure *config);
284 void gst_video_converter_free (GstVideoConverter * convert);
287 gboolean gst_video_converter_set_config (GstVideoConverter * convert, GstStructure *config);
290 const GstStructure * gst_video_converter_get_config (GstVideoConverter * convert);
293 void gst_video_converter_frame (GstVideoConverter * convert,
294 const GstVideoFrame *src, GstVideoFrame *dest);
299 #endif /* __GST_VIDEO_CONVERTER_H__ */