1 /*
2 * GStreamer
3 * Copyright (C) 2008-2010 Sebastian Dröge <slomo@collabora.co.uk>
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 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include <string.h>
26
27 #include "gstdeinterlacemethod.h"
28
29 G_DEFINE_ABSTRACT_TYPE (GstDeinterlaceMethod, gst_deinterlace_method,
30 GST_TYPE_OBJECT);
31
32 gboolean
gst_deinterlace_method_supported(GType type,GstVideoFormat format,gint width,gint height)33 gst_deinterlace_method_supported (GType type, GstVideoFormat format, gint width,
34 gint height)
35 {
36 GstDeinterlaceMethodClass *klass =
37 GST_DEINTERLACE_METHOD_CLASS (g_type_class_ref (type));
38 gboolean ret;
39
40 if (format == GST_VIDEO_FORMAT_UNKNOWN)
41 ret = TRUE;
42 else
43 ret = klass->supported (klass, format, width, height);
44 g_type_class_unref (klass);
45
46 return ret;
47 }
48
49 static gboolean
gst_deinterlace_method_supported_impl(GstDeinterlaceMethodClass * klass,GstVideoFormat format,gint width,gint height)50 gst_deinterlace_method_supported_impl (GstDeinterlaceMethodClass * klass,
51 GstVideoFormat format, gint width, gint height)
52 {
53 switch (format) {
54 case GST_VIDEO_FORMAT_YUY2:
55 return (klass->deinterlace_frame_yuy2 != NULL);
56 case GST_VIDEO_FORMAT_YVYU:
57 return (klass->deinterlace_frame_yvyu != NULL);
58 case GST_VIDEO_FORMAT_UYVY:
59 return (klass->deinterlace_frame_uyvy != NULL);
60 case GST_VIDEO_FORMAT_I420:
61 return (klass->deinterlace_frame_i420 != NULL);
62 case GST_VIDEO_FORMAT_YV12:
63 return (klass->deinterlace_frame_yv12 != NULL);
64 case GST_VIDEO_FORMAT_Y444:
65 return (klass->deinterlace_frame_y444 != NULL);
66 case GST_VIDEO_FORMAT_Y42B:
67 return (klass->deinterlace_frame_y42b != NULL);
68 case GST_VIDEO_FORMAT_Y41B:
69 return (klass->deinterlace_frame_y41b != NULL);
70 case GST_VIDEO_FORMAT_AYUV:
71 return (klass->deinterlace_frame_ayuv != NULL);
72 case GST_VIDEO_FORMAT_NV12:
73 return (klass->deinterlace_frame_nv12 != NULL);
74 case GST_VIDEO_FORMAT_NV21:
75 return (klass->deinterlace_frame_nv21 != NULL);
76 case GST_VIDEO_FORMAT_ARGB:
77 case GST_VIDEO_FORMAT_xRGB:
78 return (klass->deinterlace_frame_argb != NULL);
79 case GST_VIDEO_FORMAT_ABGR:
80 case GST_VIDEO_FORMAT_xBGR:
81 return (klass->deinterlace_frame_abgr != NULL);
82 case GST_VIDEO_FORMAT_RGBA:
83 case GST_VIDEO_FORMAT_RGBx:
84 return (klass->deinterlace_frame_rgba != NULL);
85 case GST_VIDEO_FORMAT_BGRA:
86 case GST_VIDEO_FORMAT_BGRx:
87 return (klass->deinterlace_frame_bgra != NULL);
88 case GST_VIDEO_FORMAT_RGB:
89 return (klass->deinterlace_frame_rgb != NULL);
90 case GST_VIDEO_FORMAT_BGR:
91 return (klass->deinterlace_frame_bgr != NULL);
92 default:
93 return FALSE;
94 }
95 }
96
97 void
gst_deinterlace_method_setup(GstDeinterlaceMethod * self,GstVideoInfo * vinfo)98 gst_deinterlace_method_setup (GstDeinterlaceMethod * self, GstVideoInfo * vinfo)
99 {
100 GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
101
102 klass->setup (self, vinfo);
103 }
104
105 static void
gst_deinterlace_method_setup_impl(GstDeinterlaceMethod * self,GstVideoInfo * vinfo)106 gst_deinterlace_method_setup_impl (GstDeinterlaceMethod * self,
107 GstVideoInfo * vinfo)
108 {
109 GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
110
111 self->vinfo = vinfo;
112
113 self->deinterlace_frame = NULL;
114
115 if (GST_VIDEO_INFO_FORMAT (self->vinfo) == GST_VIDEO_FORMAT_UNKNOWN)
116 return;
117
118 switch (GST_VIDEO_INFO_FORMAT (self->vinfo)) {
119 case GST_VIDEO_FORMAT_YUY2:
120 self->deinterlace_frame = klass->deinterlace_frame_yuy2;
121 break;
122 case GST_VIDEO_FORMAT_YVYU:
123 self->deinterlace_frame = klass->deinterlace_frame_yvyu;
124 break;
125 case GST_VIDEO_FORMAT_UYVY:
126 self->deinterlace_frame = klass->deinterlace_frame_uyvy;
127 break;
128 case GST_VIDEO_FORMAT_I420:
129 self->deinterlace_frame = klass->deinterlace_frame_i420;
130 break;
131 case GST_VIDEO_FORMAT_YV12:
132 self->deinterlace_frame = klass->deinterlace_frame_yv12;
133 break;
134 case GST_VIDEO_FORMAT_Y444:
135 self->deinterlace_frame = klass->deinterlace_frame_y444;
136 break;
137 case GST_VIDEO_FORMAT_Y42B:
138 self->deinterlace_frame = klass->deinterlace_frame_y42b;
139 break;
140 case GST_VIDEO_FORMAT_Y41B:
141 self->deinterlace_frame = klass->deinterlace_frame_y41b;
142 break;
143 case GST_VIDEO_FORMAT_AYUV:
144 self->deinterlace_frame = klass->deinterlace_frame_ayuv;
145 break;
146 case GST_VIDEO_FORMAT_NV12:
147 self->deinterlace_frame = klass->deinterlace_frame_nv12;
148 break;
149 case GST_VIDEO_FORMAT_NV21:
150 self->deinterlace_frame = klass->deinterlace_frame_nv21;
151 break;
152 case GST_VIDEO_FORMAT_ARGB:
153 case GST_VIDEO_FORMAT_xRGB:
154 self->deinterlace_frame = klass->deinterlace_frame_argb;
155 break;
156 case GST_VIDEO_FORMAT_ABGR:
157 case GST_VIDEO_FORMAT_xBGR:
158 self->deinterlace_frame = klass->deinterlace_frame_abgr;
159 break;
160 case GST_VIDEO_FORMAT_RGBA:
161 case GST_VIDEO_FORMAT_RGBx:
162 self->deinterlace_frame = klass->deinterlace_frame_rgba;
163 break;
164 case GST_VIDEO_FORMAT_BGRA:
165 case GST_VIDEO_FORMAT_BGRx:
166 self->deinterlace_frame = klass->deinterlace_frame_bgra;
167 break;
168 case GST_VIDEO_FORMAT_RGB:
169 self->deinterlace_frame = klass->deinterlace_frame_rgb;
170 break;
171 case GST_VIDEO_FORMAT_BGR:
172 self->deinterlace_frame = klass->deinterlace_frame_bgr;
173 break;
174 default:
175 self->deinterlace_frame = NULL;
176 break;
177 }
178 }
179
180 static void
gst_deinterlace_method_class_init(GstDeinterlaceMethodClass * klass)181 gst_deinterlace_method_class_init (GstDeinterlaceMethodClass * klass)
182 {
183 klass->setup = gst_deinterlace_method_setup_impl;
184 klass->supported = gst_deinterlace_method_supported_impl;
185 }
186
187 static void
gst_deinterlace_method_init(GstDeinterlaceMethod * self)188 gst_deinterlace_method_init (GstDeinterlaceMethod * self)
189 {
190 self->vinfo = NULL;
191 }
192
193 void
gst_deinterlace_method_deinterlace_frame(GstDeinterlaceMethod * self,const GstDeinterlaceField * history,guint history_count,GstVideoFrame * outframe,int cur_field_idx)194 gst_deinterlace_method_deinterlace_frame (GstDeinterlaceMethod * self,
195 const GstDeinterlaceField * history, guint history_count,
196 GstVideoFrame * outframe, int cur_field_idx)
197 {
198 g_assert (self->deinterlace_frame != NULL);
199 self->deinterlace_frame (self, history, history_count, outframe,
200 cur_field_idx);
201 }
202
203 gint
gst_deinterlace_method_get_fields_required(GstDeinterlaceMethod * self)204 gst_deinterlace_method_get_fields_required (GstDeinterlaceMethod * self)
205 {
206 GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
207
208 return klass->fields_required;
209 }
210
211 gint
gst_deinterlace_method_get_latency(GstDeinterlaceMethod * self)212 gst_deinterlace_method_get_latency (GstDeinterlaceMethod * self)
213 {
214 GstDeinterlaceMethodClass *klass = GST_DEINTERLACE_METHOD_GET_CLASS (self);
215
216 return klass->latency;
217 }
218
219 G_DEFINE_ABSTRACT_TYPE (GstDeinterlaceSimpleMethod,
220 gst_deinterlace_simple_method, GST_TYPE_DEINTERLACE_METHOD);
221
222 static gboolean
gst_deinterlace_simple_method_supported(GstDeinterlaceMethodClass * mklass,GstVideoFormat format,gint width,gint height)223 gst_deinterlace_simple_method_supported (GstDeinterlaceMethodClass * mklass,
224 GstVideoFormat format, gint width, gint height)
225 {
226 GstDeinterlaceSimpleMethodClass *klass =
227 GST_DEINTERLACE_SIMPLE_METHOD_CLASS (mklass);
228
229 if (!GST_DEINTERLACE_METHOD_CLASS
230 (gst_deinterlace_simple_method_parent_class)->supported (mklass, format,
231 width, height))
232 return FALSE;
233
234 switch (format) {
235 case GST_VIDEO_FORMAT_ARGB:
236 case GST_VIDEO_FORMAT_xRGB:
237 return (klass->interpolate_scanline_argb != NULL
238 && klass->copy_scanline_argb != NULL);
239 case GST_VIDEO_FORMAT_RGBA:
240 case GST_VIDEO_FORMAT_RGBx:
241 return (klass->interpolate_scanline_rgba != NULL
242 && klass->copy_scanline_rgba != NULL);
243 case GST_VIDEO_FORMAT_ABGR:
244 case GST_VIDEO_FORMAT_xBGR:
245 return (klass->interpolate_scanline_abgr != NULL
246 && klass->copy_scanline_abgr != NULL);
247 case GST_VIDEO_FORMAT_BGRA:
248 case GST_VIDEO_FORMAT_BGRx:
249 return (klass->interpolate_scanline_bgra != NULL
250 && klass->copy_scanline_bgra != NULL);
251 case GST_VIDEO_FORMAT_RGB:
252 return (klass->interpolate_scanline_rgb != NULL
253 && klass->copy_scanline_rgb != NULL);
254 case GST_VIDEO_FORMAT_BGR:
255 return (klass->interpolate_scanline_bgr != NULL
256 && klass->copy_scanline_bgr != NULL);
257 case GST_VIDEO_FORMAT_YUY2:
258 return (klass->interpolate_scanline_yuy2 != NULL
259 && klass->copy_scanline_yuy2 != NULL);
260 case GST_VIDEO_FORMAT_YVYU:
261 return (klass->interpolate_scanline_yvyu != NULL
262 && klass->copy_scanline_yvyu != NULL);
263 case GST_VIDEO_FORMAT_UYVY:
264 return (klass->interpolate_scanline_uyvy != NULL
265 && klass->copy_scanline_uyvy != NULL);
266 case GST_VIDEO_FORMAT_AYUV:
267 return (klass->interpolate_scanline_ayuv != NULL
268 && klass->copy_scanline_ayuv != NULL);
269 case GST_VIDEO_FORMAT_NV12:
270 return (klass->interpolate_scanline_nv12 != NULL
271 && klass->copy_scanline_nv12 != NULL
272 && klass->interpolate_scanline_planar_y != NULL
273 && klass->copy_scanline_planar_y != NULL);
274 case GST_VIDEO_FORMAT_NV21:
275 return (klass->interpolate_scanline_nv21 != NULL
276 && klass->copy_scanline_nv21 != NULL
277 && klass->interpolate_scanline_planar_y != NULL
278 && klass->copy_scanline_planar_y != NULL);
279 case GST_VIDEO_FORMAT_I420:
280 case GST_VIDEO_FORMAT_YV12:
281 case GST_VIDEO_FORMAT_Y444:
282 case GST_VIDEO_FORMAT_Y42B:
283 case GST_VIDEO_FORMAT_Y41B:
284 return (klass->interpolate_scanline_planar_y != NULL
285 && klass->copy_scanline_planar_y != NULL &&
286 klass->interpolate_scanline_planar_u != NULL
287 && klass->copy_scanline_planar_u != NULL &&
288 klass->interpolate_scanline_planar_v != NULL
289 && klass->copy_scanline_planar_v != NULL);
290 default:
291 return FALSE;
292 }
293 }
294
295 static void
gst_deinterlace_simple_method_interpolate_scanline_packed(GstDeinterlaceSimpleMethod * self,guint8 * out,const GstDeinterlaceScanlineData * scanlines,guint stride)296 gst_deinterlace_simple_method_interpolate_scanline_packed
297 (GstDeinterlaceSimpleMethod * self, guint8 * out,
298 const GstDeinterlaceScanlineData * scanlines, guint stride)
299 {
300 memcpy (out, scanlines->m1, stride);
301 }
302
303 static void
gst_deinterlace_simple_method_copy_scanline_packed(GstDeinterlaceSimpleMethod * self,guint8 * out,const GstDeinterlaceScanlineData * scanlines,guint stride)304 gst_deinterlace_simple_method_copy_scanline_packed (GstDeinterlaceSimpleMethod *
305 self, guint8 * out, const GstDeinterlaceScanlineData * scanlines,
306 guint stride)
307 {
308 memcpy (out, scanlines->m0, stride);
309 }
310
311 typedef struct
312 {
313 const GstDeinterlaceField *history;
314 guint history_count;
315 gint cur_field_idx;
316 } LinesGetter;
317
318 #define CLAMP_LOW(i) (((i)<0) ? (i+2) : (i))
319 #define CLAMP_HI(i) (((i)>=(frame_height)) ? (i-2) : (i))
320
321 static guint8 *
get_line(LinesGetter * lg,gint field_offset,guint plane,gint line,gint line_offset)322 get_line (LinesGetter * lg, gint field_offset, guint plane, gint line,
323 gint line_offset)
324 {
325 const GstVideoFrame *frame;
326 gint idx, frame_height;
327 guint8 *data;
328
329 idx = lg->cur_field_idx + field_offset;
330 if (idx < 0 || idx >= lg->history_count)
331 return NULL;
332
333 frame = lg->history[idx].frame;
334 g_assert (frame);
335
336 /* Now frame already refers to the field we want, the correct one is taken
337 * from the history */
338 if (GST_VIDEO_INFO_INTERLACE_MODE (&frame->info) ==
339 GST_VIDEO_INTERLACE_MODE_ALTERNATE) {
340 /* Alternate frame containing a single field, adjust the line index */
341 line /= 2;
342 switch (line_offset) {
343 case -2:
344 case 2:
345 line_offset /= 2;
346 break;
347 case 1:
348 /* the "next" line of a top field line is the same line of a bottom
349 * field */
350 if (!GST_VIDEO_FRAME_FLAG_IS_SET (frame, GST_VIDEO_FRAME_FLAG_TFF))
351 line_offset = 0;
352 break;
353 case -1:
354 /* the "previous" line of a bottom field line is the same line of a
355 * top field */
356 if (GST_VIDEO_FRAME_FLAG_IS_SET (frame, GST_VIDEO_FRAME_FLAG_TFF))
357 line_offset = 0;
358 break;
359 case 0:
360 break;
361 default:
362 g_assert_not_reached ();
363 break;
364 }
365 }
366
367 frame_height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, plane);
368 line += line_offset;
369
370 data = GST_VIDEO_FRAME_PLANE_DATA ((frame), plane);
371 data += CLAMP_HI (CLAMP_LOW (line)) * GST_VIDEO_FRAME_PLANE_STRIDE ((frame),
372 plane);
373
374 return data;
375 }
376
377 static void
gst_deinterlace_simple_method_deinterlace_frame_packed(GstDeinterlaceMethod * method,const GstDeinterlaceField * history,guint history_count,GstVideoFrame * outframe,gint cur_field_idx)378 gst_deinterlace_simple_method_deinterlace_frame_packed (GstDeinterlaceMethod *
379 method, const GstDeinterlaceField * history, guint history_count,
380 GstVideoFrame * outframe, gint cur_field_idx)
381 {
382 GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
383 #ifndef G_DISABLE_ASSERT
384 GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
385 #endif
386 GstDeinterlaceScanlineData scanlines;
387 guint cur_field_flags;
388 gint i;
389 gint frame_height, frame_width;
390 LinesGetter lg = { history, history_count, cur_field_idx };
391 GstVideoFrame *framep, *frame0, *frame1, *frame2;
392
393 g_assert (self->interpolate_scanline_packed != NULL);
394 g_assert (self->copy_scanline_packed != NULL);
395
396 frame_height = GST_VIDEO_FRAME_HEIGHT (outframe);
397 frame_width = GST_VIDEO_FRAME_PLANE_STRIDE (outframe, 0);
398
399 frame0 = history[cur_field_idx].frame;
400 frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame0, 0));
401 cur_field_flags = history[cur_field_idx].flags;
402
403 framep = (cur_field_idx > 0 ? history[cur_field_idx - 1].frame : NULL);
404 if (framep)
405 frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (framep, 0));
406
407 g_assert (dm_class->fields_required <= 5);
408
409 frame1 =
410 (cur_field_idx + 1 <
411 history_count ? history[cur_field_idx + 1].frame : NULL);
412 if (frame1)
413 frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame1, 0));
414
415 frame2 =
416 (cur_field_idx + 2 <
417 history_count ? history[cur_field_idx + 2].frame : NULL);
418 if (frame2)
419 frame_width = MIN (frame_width, GST_VIDEO_FRAME_PLANE_STRIDE (frame2, 0));
420
421 #define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),0)) + i * \
422 GST_VIDEO_FRAME_PLANE_STRIDE((x),0))
423
424 for (i = 0; i < frame_height; i++) {
425 memset (&scanlines, 0, sizeof (scanlines));
426 scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
427
428 if (!((i & 1) ^ scanlines.bottom_field)) {
429 /* copying */
430 scanlines.tp = get_line (&lg, -1, 0, i, -1);
431 scanlines.bp = get_line (&lg, -1, 0, i, 1);
432
433 scanlines.tt0 = get_line (&lg, 0, 0, i, -2);
434 scanlines.m0 = get_line (&lg, 0, 0, i, 0);
435 scanlines.bb0 = get_line (&lg, 0, 0, i, 2);
436
437 scanlines.t1 = get_line (&lg, 1, 0, i, -1);
438 scanlines.b1 = get_line (&lg, 1, 0, i, 1);
439
440 scanlines.tt2 = get_line (&lg, 2, 0, i, -2);
441 scanlines.m2 = get_line (&lg, 2, 0, i, 0);
442 scanlines.bb2 = get_line (&lg, 2, 0, i, 2);
443
444 self->copy_scanline_packed (self, LINE (outframe, i), &scanlines,
445 frame_width);
446 } else {
447 /* interpolating */
448 scanlines.tp2 = get_line (&lg, -2, 0, i, -1);
449 scanlines.bp2 = get_line (&lg, -2, 0, i, 1);
450
451 scanlines.ttp = get_line (&lg, -1, 0, i, -2);
452 scanlines.mp = get_line (&lg, -1, 0, i, 0);
453 scanlines.bbp = get_line (&lg, -1, 0, i, 2);
454
455 scanlines.t0 = get_line (&lg, 0, 0, i, -1);
456 scanlines.b0 = get_line (&lg, 0, 0, i, 1);
457
458 scanlines.tt1 = get_line (&lg, 1, 0, i, -2);
459 scanlines.m1 = get_line (&lg, 1, 0, i, 0);
460 scanlines.bb1 = get_line (&lg, 1, 0, i, 2);
461
462 scanlines.t2 = get_line (&lg, 2, 0, i, -1);
463 scanlines.b2 = get_line (&lg, 2, 0, i, 1);
464
465 self->interpolate_scanline_packed (self, LINE (outframe, i), &scanlines,
466 frame_width);
467 }
468 #undef LINE
469 }
470 }
471
472 static void
gst_deinterlace_simple_method_interpolate_scanline_planar_y(GstDeinterlaceSimpleMethod * self,guint8 * out,const GstDeinterlaceScanlineData * scanlines,guint size)473 gst_deinterlace_simple_method_interpolate_scanline_planar_y
474 (GstDeinterlaceSimpleMethod * self, guint8 * out,
475 const GstDeinterlaceScanlineData * scanlines, guint size)
476 {
477 memcpy (out, scanlines->m1, size);
478 }
479
480 static void
gst_deinterlace_simple_method_copy_scanline_planar_y(GstDeinterlaceSimpleMethod * self,guint8 * out,const GstDeinterlaceScanlineData * scanlines,guint size)481 gst_deinterlace_simple_method_copy_scanline_planar_y (GstDeinterlaceSimpleMethod
482 * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
483 size)
484 {
485 memcpy (out, scanlines->m0, size);
486 }
487
488 static void
gst_deinterlace_simple_method_interpolate_scanline_planar_u(GstDeinterlaceSimpleMethod * self,guint8 * out,const GstDeinterlaceScanlineData * scanlines,guint size)489 gst_deinterlace_simple_method_interpolate_scanline_planar_u
490 (GstDeinterlaceSimpleMethod * self, guint8 * out,
491 const GstDeinterlaceScanlineData * scanlines, guint size)
492 {
493 memcpy (out, scanlines->m1, size);
494 }
495
496 static void
gst_deinterlace_simple_method_copy_scanline_planar_u(GstDeinterlaceSimpleMethod * self,guint8 * out,const GstDeinterlaceScanlineData * scanlines,guint size)497 gst_deinterlace_simple_method_copy_scanline_planar_u (GstDeinterlaceSimpleMethod
498 * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
499 size)
500 {
501 memcpy (out, scanlines->m0, size);
502 }
503
504 static void
gst_deinterlace_simple_method_interpolate_scanline_planar_v(GstDeinterlaceSimpleMethod * self,guint8 * out,const GstDeinterlaceScanlineData * scanlines,guint size)505 gst_deinterlace_simple_method_interpolate_scanline_planar_v
506 (GstDeinterlaceSimpleMethod * self, guint8 * out,
507 const GstDeinterlaceScanlineData * scanlines, guint size)
508 {
509 memcpy (out, scanlines->m1, size);
510 }
511
512 static void
gst_deinterlace_simple_method_copy_scanline_planar_v(GstDeinterlaceSimpleMethod * self,guint8 * out,const GstDeinterlaceScanlineData * scanlines,guint size)513 gst_deinterlace_simple_method_copy_scanline_planar_v (GstDeinterlaceSimpleMethod
514 * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines, guint
515 size)
516 {
517 memcpy (out, scanlines->m0, size);
518 }
519
520 static void
gst_deinterlace_simple_method_deinterlace_frame_planar_plane(GstDeinterlaceSimpleMethod * self,GstVideoFrame * dest,LinesGetter * lg,guint cur_field_flags,gint plane,GstDeinterlaceSimpleMethodFunction copy_scanline,GstDeinterlaceSimpleMethodFunction interpolate_scanline)521 gst_deinterlace_simple_method_deinterlace_frame_planar_plane
522 (GstDeinterlaceSimpleMethod * self, GstVideoFrame * dest,
523 LinesGetter * lg,
524 guint cur_field_flags, gint plane,
525 GstDeinterlaceSimpleMethodFunction copy_scanline,
526 GstDeinterlaceSimpleMethodFunction interpolate_scanline)
527 {
528 GstDeinterlaceScanlineData scanlines;
529 gint i;
530 gint frame_height, frame_width;
531
532 frame_height = GST_VIDEO_FRAME_COMP_HEIGHT (dest, plane);
533 frame_width = GST_VIDEO_FRAME_COMP_WIDTH (dest, plane) *
534 GST_VIDEO_FRAME_COMP_PSTRIDE (dest, plane);
535
536 g_assert (interpolate_scanline != NULL);
537 g_assert (copy_scanline != NULL);
538
539 #define LINE(x,i) (((guint8*)GST_VIDEO_FRAME_PLANE_DATA((x),plane)) + i * \
540 GST_VIDEO_FRAME_PLANE_STRIDE((x),plane))
541
542 for (i = 0; i < frame_height; i++) {
543 memset (&scanlines, 0, sizeof (scanlines));
544 scanlines.bottom_field = (cur_field_flags == PICTURE_INTERLACED_BOTTOM);
545
546 if (!((i & 1) ^ scanlines.bottom_field)) {
547 /* copying */
548 scanlines.tp = get_line (lg, -1, plane, i, -1);
549 scanlines.bp = get_line (lg, -1, plane, i, 1);
550
551 scanlines.tt0 = get_line (lg, 0, plane, i, -2);
552 scanlines.m0 = get_line (lg, 0, plane, i, 0);
553 scanlines.bb0 = get_line (lg, 0, plane, i, 2);
554
555 scanlines.t1 = get_line (lg, 1, plane, i, -1);
556 scanlines.b1 = get_line (lg, 1, plane, i, 1);
557
558 scanlines.tt2 = get_line (lg, 2, plane, i, -2);
559 scanlines.m2 = get_line (lg, 2, plane, i, 0);
560 scanlines.bb2 = get_line (lg, 2, plane, i, 2);
561
562 copy_scanline (self, LINE (dest, i), &scanlines, frame_width);
563 } else {
564 /* interpolating */
565 scanlines.tp2 = get_line (lg, -2, plane, i, -1);
566 scanlines.bp2 = get_line (lg, -2, plane, i, 1);
567
568 scanlines.ttp = get_line (lg, -1, plane, i, -2);
569 scanlines.mp = get_line (lg, -1, plane, i, 0);
570 scanlines.bbp = get_line (lg, -1, plane, i, 2);
571
572 scanlines.t0 = get_line (lg, 0, plane, i, -1);
573 scanlines.b0 = get_line (lg, 0, plane, i, 1);
574
575 scanlines.tt1 = get_line (lg, 1, plane, i, -2);
576 scanlines.m1 = get_line (lg, 1, plane, i, 0);
577 scanlines.bb1 = get_line (lg, 1, plane, i, 2);
578
579 scanlines.t2 = get_line (lg, 2, plane, i, -1);
580 scanlines.b2 = get_line (lg, 2, plane, i, 1);
581
582 interpolate_scanline (self, LINE (dest, i), &scanlines, frame_width);
583 }
584 #undef LINE
585 }
586 }
587
588 static void
gst_deinterlace_simple_method_deinterlace_frame_planar(GstDeinterlaceMethod * method,const GstDeinterlaceField * history,guint history_count,GstVideoFrame * outframe,gint cur_field_idx)589 gst_deinterlace_simple_method_deinterlace_frame_planar (GstDeinterlaceMethod *
590 method, const GstDeinterlaceField * history, guint history_count,
591 GstVideoFrame * outframe, gint cur_field_idx)
592 {
593 GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
594 #ifndef G_DISABLE_ASSERT
595 GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
596 #endif
597 guint cur_field_flags = history[cur_field_idx].flags;
598 gint i;
599 GstDeinterlaceSimpleMethodFunction copy_scanline;
600 GstDeinterlaceSimpleMethodFunction interpolate_scanline;
601 LinesGetter lg = { history, history_count, cur_field_idx };
602
603 g_assert (self->interpolate_scanline_planar[0] != NULL);
604 g_assert (self->interpolate_scanline_planar[1] != NULL);
605 g_assert (self->interpolate_scanline_planar[2] != NULL);
606 g_assert (self->copy_scanline_planar[0] != NULL);
607 g_assert (self->copy_scanline_planar[1] != NULL);
608 g_assert (self->copy_scanline_planar[2] != NULL);
609 g_assert (dm_class->fields_required <= 5);
610
611 for (i = 0; i < 3; i++) {
612 copy_scanline = self->copy_scanline_planar[i];
613 interpolate_scanline = self->interpolate_scanline_planar[i];
614
615 gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
616 outframe, &lg, cur_field_flags, i, copy_scanline, interpolate_scanline);
617 }
618 }
619
620 static void
gst_deinterlace_simple_method_deinterlace_frame_nv12(GstDeinterlaceMethod * method,const GstDeinterlaceField * history,guint history_count,GstVideoFrame * outframe,gint cur_field_idx)621 gst_deinterlace_simple_method_deinterlace_frame_nv12 (GstDeinterlaceMethod *
622 method, const GstDeinterlaceField * history, guint history_count,
623 GstVideoFrame * outframe, gint cur_field_idx)
624 {
625 GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
626 #ifndef G_DISABLE_ASSERT
627 GstDeinterlaceMethodClass *dm_class = GST_DEINTERLACE_METHOD_GET_CLASS (self);
628 #endif
629 guint cur_field_flags = history[cur_field_idx].flags;
630 LinesGetter lg = { history, history_count, cur_field_idx, };
631
632 /* Y plane is at position 0 */
633 g_assert (self->interpolate_scanline_packed != NULL);
634 g_assert (self->copy_scanline_packed != NULL);
635 g_assert (self->interpolate_scanline_planar[0] != NULL);
636 g_assert (self->copy_scanline_planar[0] != NULL);
637 g_assert (dm_class->fields_required <= 5);
638
639 /* Y plane first, then UV/VU plane */
640 gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
641 outframe, &lg, cur_field_flags, 0,
642 self->copy_scanline_planar[0], self->interpolate_scanline_planar[0]);
643 gst_deinterlace_simple_method_deinterlace_frame_planar_plane (self,
644 outframe, &lg, cur_field_flags, 1,
645 self->copy_scanline_packed, self->interpolate_scanline_packed);
646 }
647
648 static void
gst_deinterlace_simple_method_setup(GstDeinterlaceMethod * method,GstVideoInfo * vinfo)649 gst_deinterlace_simple_method_setup (GstDeinterlaceMethod * method,
650 GstVideoInfo * vinfo)
651 {
652 GstDeinterlaceSimpleMethod *self = GST_DEINTERLACE_SIMPLE_METHOD (method);
653 GstDeinterlaceSimpleMethodClass *klass =
654 GST_DEINTERLACE_SIMPLE_METHOD_GET_CLASS (self);
655
656 GST_DEINTERLACE_METHOD_CLASS
657 (gst_deinterlace_simple_method_parent_class)->setup (method, vinfo);
658
659 self->interpolate_scanline_packed = NULL;
660 self->copy_scanline_packed = NULL;
661
662 self->interpolate_scanline_planar[0] = NULL;
663 self->interpolate_scanline_planar[1] = NULL;
664 self->interpolate_scanline_planar[2] = NULL;
665 self->copy_scanline_planar[0] = NULL;
666 self->copy_scanline_planar[1] = NULL;
667 self->copy_scanline_planar[2] = NULL;
668
669 if (GST_VIDEO_INFO_FORMAT (vinfo) == GST_VIDEO_FORMAT_UNKNOWN)
670 return;
671
672 switch (GST_VIDEO_INFO_FORMAT (vinfo)) {
673 case GST_VIDEO_FORMAT_YUY2:
674 self->interpolate_scanline_packed = klass->interpolate_scanline_yuy2;
675 self->copy_scanline_packed = klass->copy_scanline_yuy2;
676 break;
677 case GST_VIDEO_FORMAT_YVYU:
678 self->interpolate_scanline_packed = klass->interpolate_scanline_yvyu;
679 self->copy_scanline_packed = klass->copy_scanline_yvyu;
680 break;
681 case GST_VIDEO_FORMAT_UYVY:
682 self->interpolate_scanline_packed = klass->interpolate_scanline_uyvy;
683 self->copy_scanline_packed = klass->copy_scanline_uyvy;
684 break;
685 case GST_VIDEO_FORMAT_AYUV:
686 self->interpolate_scanline_packed = klass->interpolate_scanline_ayuv;
687 self->copy_scanline_packed = klass->copy_scanline_ayuv;
688 break;
689 case GST_VIDEO_FORMAT_ARGB:
690 case GST_VIDEO_FORMAT_xRGB:
691 self->interpolate_scanline_packed = klass->interpolate_scanline_argb;
692 self->copy_scanline_packed = klass->copy_scanline_argb;
693 break;
694 case GST_VIDEO_FORMAT_ABGR:
695 case GST_VIDEO_FORMAT_xBGR:
696 self->interpolate_scanline_packed = klass->interpolate_scanline_abgr;
697 self->copy_scanline_packed = klass->copy_scanline_abgr;
698 break;
699 case GST_VIDEO_FORMAT_RGBA:
700 case GST_VIDEO_FORMAT_RGBx:
701 self->interpolate_scanline_packed = klass->interpolate_scanline_rgba;
702 self->copy_scanline_packed = klass->copy_scanline_rgba;
703 break;
704 case GST_VIDEO_FORMAT_BGRA:
705 case GST_VIDEO_FORMAT_BGRx:
706 self->interpolate_scanline_packed = klass->interpolate_scanline_bgra;
707 self->copy_scanline_packed = klass->copy_scanline_bgra;
708 break;
709 case GST_VIDEO_FORMAT_RGB:
710 self->interpolate_scanline_packed = klass->interpolate_scanline_rgb;
711 self->copy_scanline_packed = klass->copy_scanline_rgb;
712 break;
713 case GST_VIDEO_FORMAT_BGR:
714 self->interpolate_scanline_packed = klass->interpolate_scanline_bgr;
715 self->copy_scanline_packed = klass->copy_scanline_bgr;
716 break;
717 case GST_VIDEO_FORMAT_NV12:
718 self->interpolate_scanline_packed = klass->interpolate_scanline_nv12;
719 self->copy_scanline_packed = klass->copy_scanline_nv12;
720 self->interpolate_scanline_planar[0] =
721 klass->interpolate_scanline_planar_y;
722 self->copy_scanline_planar[0] = klass->copy_scanline_planar_y;
723 break;
724 case GST_VIDEO_FORMAT_NV21:
725 self->interpolate_scanline_packed = klass->interpolate_scanline_nv21;
726 self->copy_scanline_packed = klass->copy_scanline_nv21;
727 self->interpolate_scanline_planar[0] =
728 klass->interpolate_scanline_planar_y;
729 self->copy_scanline_planar[0] = klass->copy_scanline_planar_y;
730 break;
731 case GST_VIDEO_FORMAT_I420:
732 case GST_VIDEO_FORMAT_YV12:
733 case GST_VIDEO_FORMAT_Y444:
734 case GST_VIDEO_FORMAT_Y42B:
735 case GST_VIDEO_FORMAT_Y41B:
736 self->interpolate_scanline_planar[0] =
737 klass->interpolate_scanline_planar_y;
738 self->copy_scanline_planar[0] = klass->copy_scanline_planar_y;
739 self->interpolate_scanline_planar[1] =
740 klass->interpolate_scanline_planar_u;
741 self->copy_scanline_planar[1] = klass->copy_scanline_planar_u;
742 self->interpolate_scanline_planar[2] =
743 klass->interpolate_scanline_planar_v;
744 self->copy_scanline_planar[2] = klass->copy_scanline_planar_v;
745 break;
746 default:
747 break;
748 }
749 }
750
751 static void
gst_deinterlace_simple_method_class_init(GstDeinterlaceSimpleMethodClass * klass)752 gst_deinterlace_simple_method_class_init (GstDeinterlaceSimpleMethodClass
753 * klass)
754 {
755 GstDeinterlaceMethodClass *dm_class = (GstDeinterlaceMethodClass *) klass;
756
757 dm_class->deinterlace_frame_ayuv =
758 gst_deinterlace_simple_method_deinterlace_frame_packed;
759 dm_class->deinterlace_frame_yuy2 =
760 gst_deinterlace_simple_method_deinterlace_frame_packed;
761 dm_class->deinterlace_frame_yvyu =
762 gst_deinterlace_simple_method_deinterlace_frame_packed;
763 dm_class->deinterlace_frame_uyvy =
764 gst_deinterlace_simple_method_deinterlace_frame_packed;
765 dm_class->deinterlace_frame_argb =
766 gst_deinterlace_simple_method_deinterlace_frame_packed;
767 dm_class->deinterlace_frame_abgr =
768 gst_deinterlace_simple_method_deinterlace_frame_packed;
769 dm_class->deinterlace_frame_rgba =
770 gst_deinterlace_simple_method_deinterlace_frame_packed;
771 dm_class->deinterlace_frame_bgra =
772 gst_deinterlace_simple_method_deinterlace_frame_packed;
773 dm_class->deinterlace_frame_rgb =
774 gst_deinterlace_simple_method_deinterlace_frame_packed;
775 dm_class->deinterlace_frame_bgr =
776 gst_deinterlace_simple_method_deinterlace_frame_packed;
777 dm_class->deinterlace_frame_i420 =
778 gst_deinterlace_simple_method_deinterlace_frame_planar;
779 dm_class->deinterlace_frame_yv12 =
780 gst_deinterlace_simple_method_deinterlace_frame_planar;
781 dm_class->deinterlace_frame_y444 =
782 gst_deinterlace_simple_method_deinterlace_frame_planar;
783 dm_class->deinterlace_frame_y42b =
784 gst_deinterlace_simple_method_deinterlace_frame_planar;
785 dm_class->deinterlace_frame_y41b =
786 gst_deinterlace_simple_method_deinterlace_frame_planar;
787 dm_class->deinterlace_frame_nv12 =
788 gst_deinterlace_simple_method_deinterlace_frame_nv12;
789 dm_class->deinterlace_frame_nv21 =
790 gst_deinterlace_simple_method_deinterlace_frame_nv12;
791 dm_class->fields_required = 2;
792 dm_class->setup = gst_deinterlace_simple_method_setup;
793 dm_class->supported = gst_deinterlace_simple_method_supported;
794
795 klass->interpolate_scanline_yuy2 =
796 gst_deinterlace_simple_method_interpolate_scanline_packed;
797 klass->copy_scanline_yuy2 =
798 gst_deinterlace_simple_method_copy_scanline_packed;
799 klass->interpolate_scanline_yvyu =
800 gst_deinterlace_simple_method_interpolate_scanline_packed;
801 klass->copy_scanline_yvyu =
802 gst_deinterlace_simple_method_copy_scanline_packed;
803 klass->interpolate_scanline_ayuv =
804 gst_deinterlace_simple_method_interpolate_scanline_packed;
805 klass->copy_scanline_ayuv =
806 gst_deinterlace_simple_method_copy_scanline_packed;
807 klass->interpolate_scanline_uyvy =
808 gst_deinterlace_simple_method_interpolate_scanline_packed;
809 klass->copy_scanline_uyvy =
810 gst_deinterlace_simple_method_copy_scanline_packed;
811 klass->interpolate_scanline_nv12 =
812 gst_deinterlace_simple_method_interpolate_scanline_packed;
813 klass->copy_scanline_nv12 =
814 gst_deinterlace_simple_method_copy_scanline_packed;
815
816 klass->interpolate_scanline_argb =
817 gst_deinterlace_simple_method_interpolate_scanline_packed;
818 klass->copy_scanline_argb =
819 gst_deinterlace_simple_method_copy_scanline_packed;
820 klass->interpolate_scanline_abgr =
821 gst_deinterlace_simple_method_interpolate_scanline_packed;
822 klass->copy_scanline_abgr =
823 gst_deinterlace_simple_method_copy_scanline_packed;
824
825 klass->interpolate_scanline_rgba =
826 gst_deinterlace_simple_method_interpolate_scanline_packed;
827 klass->copy_scanline_rgba =
828 gst_deinterlace_simple_method_copy_scanline_packed;
829 klass->interpolate_scanline_bgra =
830 gst_deinterlace_simple_method_interpolate_scanline_packed;
831 klass->copy_scanline_bgra =
832 gst_deinterlace_simple_method_copy_scanline_packed;
833 klass->interpolate_scanline_rgb =
834 gst_deinterlace_simple_method_interpolate_scanline_packed;
835 klass->copy_scanline_rgb = gst_deinterlace_simple_method_copy_scanline_packed;
836 klass->interpolate_scanline_bgr =
837 gst_deinterlace_simple_method_interpolate_scanline_packed;
838 klass->copy_scanline_bgr = gst_deinterlace_simple_method_copy_scanline_packed;
839
840 klass->interpolate_scanline_planar_y =
841 gst_deinterlace_simple_method_interpolate_scanline_planar_y;
842 klass->copy_scanline_planar_y =
843 gst_deinterlace_simple_method_copy_scanline_planar_y;
844 klass->interpolate_scanline_planar_u =
845 gst_deinterlace_simple_method_interpolate_scanline_planar_u;
846 klass->copy_scanline_planar_u =
847 gst_deinterlace_simple_method_copy_scanline_planar_u;
848 klass->interpolate_scanline_planar_v =
849 gst_deinterlace_simple_method_interpolate_scanline_planar_v;
850 klass->copy_scanline_planar_v =
851 gst_deinterlace_simple_method_copy_scanline_planar_v;
852 }
853
854 static void
gst_deinterlace_simple_method_init(GstDeinterlaceSimpleMethod * self)855 gst_deinterlace_simple_method_init (GstDeinterlaceSimpleMethod * self)
856 {
857 }
858