Parent Directory | Revision Log
Revision 648 - (view) (download)
1 : | Isibaar | 3 | /************************************************************************** |
2 : | * | ||
3 : | edgomez | 193 | * XVID MPEG-4 VIDEO CODEC |
4 : | * - OpenDivx API wrapper - | ||
5 : | Isibaar | 3 | * |
6 : | suxen_drol | 499 | * Copyright(C) 2001-2002 Peter Ross <pross@xvid.org> |
7 : | edgomez | 398 | * |
8 : | edgomez | 648 | * This file is part of XviD, a free MPEG-4 video encoder/decoder |
9 : | Isibaar | 3 | * |
10 : | edgomez | 648 | * XviD is free software; you can redistribute it and/or modify it |
11 : | * under the terms of the GNU General Public License as published by | ||
12 : | edgomez | 193 | * the Free Software Foundation; either version 2 of the License, or |
13 : | * (at your option) any later version. | ||
14 : | Isibaar | 3 | * |
15 : | edgomez | 193 | * This program is distributed in the hope that it will be useful, |
16 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 : | * GNU General Public License for more details. | ||
19 : | Isibaar | 3 | * |
20 : | edgomez | 193 | * You should have received a copy of the GNU General Public License |
21 : | * along with this program; if not, write to the Free Software | ||
22 : | edgomez | 648 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
23 : | Isibaar | 3 | * |
24 : | edgomez | 648 | * Under section 8 of the GNU General Public License, the copyright |
25 : | * holders of XVID explicitly forbid distribution in the following | ||
26 : | * countries: | ||
27 : | * | ||
28 : | * - Japan | ||
29 : | * - United States of America | ||
30 : | * | ||
31 : | * Linking XviD statically or dynamically with other modules is making a | ||
32 : | * combined work based on XviD. Thus, the terms and conditions of the | ||
33 : | * GNU General Public License cover the whole combination. | ||
34 : | * | ||
35 : | * As a special exception, the copyright holders of XviD give you | ||
36 : | * permission to link XviD with independent modules that communicate with | ||
37 : | * XviD solely through the VFW1.1 and DShow interfaces, regardless of the | ||
38 : | * license terms of these independent modules, and to copy and distribute | ||
39 : | * the resulting combined work under terms of your choice, provided that | ||
40 : | * every copy of the combined work is accompanied by a complete copy of | ||
41 : | * the source code of XviD (the version of XviD used to produce the | ||
42 : | * combined work), being distributed under the terms of the GNU General | ||
43 : | * Public License plus this exception. An independent module is a module | ||
44 : | * which is not derived from or based on XviD. | ||
45 : | * | ||
46 : | * Note that people who make modified versions of XviD are not obligated | ||
47 : | * to grant this special exception for their modified versions; it is | ||
48 : | * their choice whether to do so. The GNU General Public License gives | ||
49 : | * permission to release a modified version without this exception; this | ||
50 : | * exception also makes it possible to release a modified version which | ||
51 : | * carries forward this exception. | ||
52 : | * | ||
53 : | * $Id: divx4.c,v 1.20 2002-11-16 23:38:16 edgomez Exp $ | ||
54 : | * | ||
55 : | Isibaar | 3 | *************************************************************************/ |
56 : | |||
57 : | knhor | 129 | #include <stdlib.h> |
58 : | edgomez | 143 | #include <string.h> |
59 : | edgomez | 159 | #include <stdio.h> |
60 : | Isibaar | 3 | |
61 : | #include "xvid.h" | ||
62 : | #include "divx4.h" | ||
63 : | #include "decoder.h" | ||
64 : | #include "encoder.h" | ||
65 : | |||
66 : | #define EMULATED_DIVX_VERSION 20011001 | ||
67 : | |||
68 : | edgomez | 143 | /************************************************************************** |
69 : | * Divx Instance Structure | ||
70 : | * | ||
71 : | * This chain list datatype allows XviD do instanciate multiples divx4 | ||
72 : | * sessions. | ||
73 : | * | ||
74 : | * ToDo : The way this chain list is used does not guarantee reentrance | ||
75 : | * because they are not protected by any kind of mutex to allow | ||
76 : | * only one modifier. We should add a mutex for each element in | ||
77 : | * the chainlist. | ||
78 : | *************************************************************************/ | ||
79 : | Isibaar | 3 | |
80 : | |||
81 : | typedef struct DINST | ||
82 : | { | ||
83 : | unsigned long key; | ||
84 : | edgomez | 195 | struct DINST *next; |
85 : | Isibaar | 3 | |
86 : | edgomez | 195 | void *handle; |
87 : | Isibaar | 3 | XVID_DEC_FRAME xframe; |
88 : | |||
89 : | edgomez | 195 | } |
90 : | DINST; | ||
91 : | Isibaar | 3 | |
92 : | edgomez | 159 | typedef struct EINST |
93 : | { | ||
94 : | edgomez | 195 | struct EINST *next; |
95 : | edgomez | 159 | |
96 : | edgomez | 195 | void *handle; |
97 : | edgomez | 159 | int quality; |
98 : | |||
99 : | edgomez | 195 | } |
100 : | EINST; | ||
101 : | edgomez | 159 | |
102 : | edgomez | 143 | /************************************************************************** |
103 : | * Global data (needed to emulate correctly exported symbols from divx4) | ||
104 : | *************************************************************************/ | ||
105 : | Isibaar | 3 | |
106 : | edgomez | 143 | /* This is not used in this module but is required by some divx4 encoders*/ |
107 : | int quiet_encore = 1; | ||
108 : | Isibaar | 3 | |
109 : | edgomez | 143 | /************************************************************************** |
110 : | * Local data | ||
111 : | *************************************************************************/ | ||
112 : | Isibaar | 3 | |
113 : | edgomez | 143 | /* The Divx4 instance chainlist */ |
114 : | edgomez | 195 | static DINST *dhead = NULL; |
115 : | static EINST *ehead = NULL; | ||
116 : | Isibaar | 3 | |
117 : | edgomez | 143 | /* Divx4 quality to XviD encoder motion flag presets */ |
118 : | static int const divx4_motion_presets[7] = { | ||
119 : | edgomez | 195 | 0, |
120 : | Isibaar | 3 | |
121 : | edgomez | 195 | PMV_EARLYSTOP16, |
122 : | Isibaar | 3 | |
123 : | chl | 180 | PMV_EARLYSTOP16 | PMV_ADVANCEDDIAMOND16, |
124 : | |||
125 : | edgomez | 143 | PMV_EARLYSTOP16 | PMV_HALFPELREFINE16, |
126 : | Isibaar | 3 | |
127 : | edgomez | 195 | PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EARLYSTOP8 | |
128 : | PMV_HALFPELREFINE8, | ||
129 : | Isibaar | 3 | |
130 : | edgomez | 195 | PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EARLYSTOP8 | |
131 : | PMV_HALFPELREFINE8, | ||
132 : | Isibaar | 3 | |
133 : | edgomez | 195 | PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EXTSEARCH16 | PMV_EARLYSTOP8 | |
134 : | PMV_HALFPELREFINE8 | ||
135 : | edgomez | 143 | }; |
136 : | Isibaar | 3 | |
137 : | |||
138 : | edgomez | 143 | /* Divx4 quality to general encoder flag presets */ |
139 : | static int const divx4_general_presets[7] = { | ||
140 : | edgomez | 195 | 0, |
141 : | edgomez | 143 | XVID_H263QUANT, |
142 : | edgomez | 195 | XVID_H263QUANT, |
143 : | edgomez | 143 | XVID_H263QUANT | XVID_HALFPEL, |
144 : | XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL, | ||
145 : | edgomez | 195 | XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL, |
146 : | edgomez | 143 | XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL |
147 : | }; | ||
148 : | Isibaar | 3 | |
149 : | edgomez | 143 | /************************************************************************** |
150 : | * Local Prototypes | ||
151 : | *************************************************************************/ | ||
152 : | Isibaar | 3 | |
153 : | edgomez | 143 | /* Chain list helper functions */ |
154 : | edgomez | 195 | static DINST *dinst_find(unsigned long key); |
155 : | static DINST *dinst_add(unsigned long key); | ||
156 : | static void dinst_remove(unsigned long key); | ||
157 : | Isibaar | 3 | |
158 : | edgomez | 195 | static EINST *einst_find(void *handle); |
159 : | static EINST *einst_add(void *handle); | ||
160 : | static void einst_remove(void *handle); | ||
161 : | edgomez | 159 | |
162 : | edgomez | 143 | /* Converts divx4 colorspaces codes to xvid codes */ |
163 : | static int xvid_to_opendivx_dec_csp(int csp); | ||
164 : | static int xvid_to_opendivx_enc_csp(int csp); | ||
165 : | Isibaar | 3 | |
166 : | edgomez | 143 | /************************************************************************** |
167 : | * decore part | ||
168 : | * | ||
169 : | * decore is the divx4 entry point used to decompress the mpeg4 bitstream | ||
170 : | * into a user defined image format. | ||
171 : | *************************************************************************/ | ||
172 : | Isibaar | 3 | |
173 : | edgomez | 143 | int |
174 : | edgomez | 195 | decore(unsigned long key, |
175 : | unsigned long opt, | ||
176 : | void *param1, | ||
177 : | void *param2) | ||
178 : | Isibaar | 3 | { |
179 : | edgomez | 143 | |
180 : | Isibaar | 3 | int xerr; |
181 : | |||
182 : | edgomez | 143 | switch (opt) { |
183 : | |||
184 : | edgomez | 195 | case DEC_OPT_MEMORY_REQS: |
185 : | Isibaar | 3 | { |
186 : | edgomez | 195 | memset(param2, 0, sizeof(DEC_MEM_REQS)); |
187 : | return DEC_OK; | ||
188 : | Isibaar | 3 | } |
189 : | |||
190 : | edgomez | 195 | case DEC_OPT_INIT: |
191 : | { | ||
192 : | XVID_INIT_PARAM xinit; | ||
193 : | XVID_DEC_PARAM xparam; | ||
194 : | DINST *dcur; | ||
195 : | DEC_PARAM *dparam = (DEC_PARAM *) param1; | ||
196 : | Isibaar | 3 | |
197 : | edgomez | 195 | /* Find the divx4 instance */ |
198 : | if ((dcur = dinst_find(key)) == NULL) { | ||
199 : | dcur = dinst_add(key); | ||
200 : | } | ||
201 : | Isibaar | 3 | |
202 : | edgomez | 195 | /* |
203 : | * XviD initialization | ||
204 : | * XviD will detect the host cpu type and activate optimized | ||
205 : | * functions according to the host cpu features. | ||
206 : | */ | ||
207 : | xinit.cpu_flags = 0; | ||
208 : | xvid_init(NULL, 0, &xinit, NULL); | ||
209 : | Isibaar | 3 | |
210 : | edgomez | 195 | /* XviD decoder initialization for this instance */ |
211 : | xparam.width = dparam->x_dim; | ||
212 : | xparam.height = dparam->y_dim; | ||
213 : | dcur->xframe.colorspace = | ||
214 : | xvid_to_opendivx_dec_csp(dparam->output_format); | ||
215 : | edgomez | 143 | |
216 : | edgomez | 195 | xerr = decoder_create(&xparam); |
217 : | Isibaar | 3 | |
218 : | edgomez | 195 | /* Store the xvid handle into the divx4 instance chainlist */ |
219 : | dcur->handle = xparam.handle; | ||
220 : | Isibaar | 3 | |
221 : | edgomez | 195 | break; |
222 : | edgomez | 143 | } |
223 : | Isibaar | 3 | |
224 : | edgomez | 195 | case DEC_OPT_RELEASE: |
225 : | Isibaar | 3 | { |
226 : | edgomez | 195 | DINST *dcur; |
227 : | Isibaar | 3 | |
228 : | edgomez | 195 | /* Find the divx4 instance into the chain list */ |
229 : | if ((dcur = dinst_find(key)) == NULL) { | ||
230 : | return DEC_EXIT; | ||
231 : | } | ||
232 : | Isibaar | 3 | |
233 : | edgomez | 195 | /* Destroy the XviD decoder attached to this divx4 instance */ |
234 : | xerr = decoder_destroy(dcur->handle); | ||
235 : | edgomez | 143 | |
236 : | edgomez | 195 | /* Remove the divx4 instance from the chainlist */ |
237 : | dinst_remove(key); | ||
238 : | |||
239 : | break; | ||
240 : | edgomez | 143 | } |
241 : | edgomez | 19 | |
242 : | edgomez | 195 | case DEC_OPT_SETPP: |
243 : | edgomez | 143 | { |
244 : | edgomez | 195 | DINST *dcur; |
245 : | |||
246 : | /* Find the divx4 instance into the chain list */ | ||
247 : | if ((dcur = dinst_find(key)) == NULL) { | ||
248 : | return DEC_EXIT; | ||
249 : | } | ||
250 : | |||
251 : | edgomez | 143 | /* |
252 : | edgomez | 195 | * We return DEC_OK but XviD has no postprocessing implemented |
253 : | * in core. | ||
254 : | edgomez | 143 | */ |
255 : | edgomez | 195 | return DEC_OK; |
256 : | edgomez | 143 | } |
257 : | Isibaar | 3 | |
258 : | edgomez | 195 | case DEC_OPT_SETOUT: |
259 : | edgomez | 143 | { |
260 : | edgomez | 195 | DINST *dcur; |
261 : | DEC_PARAM *dparam = (DEC_PARAM *) param1; | ||
262 : | |||
263 : | if ((dcur = dinst_find(key)) == NULL) { | ||
264 : | return DEC_EXIT; | ||
265 : | } | ||
266 : | |||
267 : | /* Change the output colorspace */ | ||
268 : | dcur->xframe.colorspace = | ||
269 : | xvid_to_opendivx_dec_csp(dparam->output_format); | ||
270 : | |||
271 : | return DEC_OK; | ||
272 : | Isibaar | 3 | } |
273 : | |||
274 : | edgomez | 195 | case DEC_OPT_FRAME: |
275 : | { | ||
276 : | int csp_tmp = 0; | ||
277 : | DINST *dcur; | ||
278 : | DEC_FRAME *dframe = (DEC_FRAME *) param1; | ||
279 : | Isibaar | 3 | |
280 : | edgomez | 195 | if ((dcur = dinst_find(key)) == NULL) { |
281 : | return DEC_EXIT; | ||
282 : | } | ||
283 : | |||
284 : | /* Copy the divx4 fields to the XviD decoder structure */ | ||
285 : | dcur->xframe.bitstream = dframe->bitstream; | ||
286 : | dcur->xframe.length = dframe->length; | ||
287 : | dcur->xframe.image = dframe->bmp; | ||
288 : | dcur->xframe.stride = dframe->stride; | ||
289 : | |||
290 : | /* Does the frame need to be skipped ? */ | ||
291 : | if (!dframe->render_flag) { | ||
292 : | /* | ||
293 : | * Then we use the null colorspace to force XviD to | ||
294 : | * skip the frame. The original colorspace will be | ||
295 : | * restored after the decoder call | ||
296 : | */ | ||
297 : | csp_tmp = dcur->xframe.colorspace; | ||
298 : | dcur->xframe.colorspace = XVID_CSP_NULL; | ||
299 : | } | ||
300 : | |||
301 : | /* Decode the bitstream */ | ||
302 : | xerr = decoder_decode(dcur->handle, &dcur->xframe); | ||
303 : | |||
304 : | /* Restore the real colorspace for this instance */ | ||
305 : | if (!dframe->render_flag) { | ||
306 : | dcur->xframe.colorspace = csp_tmp; | ||
307 : | } | ||
308 : | |||
309 : | break; | ||
310 : | } | ||
311 : | |||
312 : | case DEC_OPT_FRAME_311: | ||
313 : | edgomez | 143 | /* XviD does not handle Divx ;-) 3.11 yet */ |
314 : | Isibaar | 3 | return DEC_EXIT; |
315 : | |||
316 : | case DEC_OPT_VERSION: | ||
317 : | return EMULATED_DIVX_VERSION; | ||
318 : | edgomez | 143 | |
319 : | edgomez | 195 | default: |
320 : | Isibaar | 3 | return DEC_EXIT; |
321 : | } | ||
322 : | |||
323 : | |||
324 : | edgomez | 143 | /* XviD error code -> Divx4 */ |
325 : | edgomez | 195 | switch (xerr) { |
326 : | case XVID_ERR_OK: | ||
327 : | edgomez | 143 | return DEC_OK; |
328 : | edgomez | 195 | case XVID_ERR_MEMORY: |
329 : | edgomez | 143 | return DEC_MEMORY; |
330 : | edgomez | 195 | case XVID_ERR_FORMAT: |
331 : | edgomez | 143 | return DEC_BAD_FORMAT; |
332 : | edgomez | 195 | default: |
333 : | Isibaar | 3 | return DEC_EXIT; |
334 : | } | ||
335 : | } | ||
336 : | |||
337 : | edgomez | 143 | /************************************************************************** |
338 : | * Encore Part | ||
339 : | * | ||
340 : | * encore is the divx4 entry point used to compress a frame to a mpeg4 | ||
341 : | * bitstream. | ||
342 : | *************************************************************************/ | ||
343 : | Isibaar | 3 | |
344 : | #define FRAMERATE_INCR 1001 | ||
345 : | |||
346 : | edgomez | 143 | int |
347 : | edgomez | 195 | encore(void *handle, |
348 : | int opt, | ||
349 : | void *param1, | ||
350 : | void *param2) | ||
351 : | edgomez | 143 | { |
352 : | Isibaar | 9 | |
353 : | Isibaar | 3 | int xerr; |
354 : | |||
355 : | edgomez | 195 | switch (opt) { |
356 : | case ENC_OPT_INIT: | ||
357 : | edgomez | 143 | { |
358 : | edgomez | 195 | EINST *ecur; |
359 : | ENC_PARAM *eparam = (ENC_PARAM *) param1; | ||
360 : | XVID_INIT_PARAM xinit; | ||
361 : | XVID_ENC_PARAM xparam; | ||
362 : | Isibaar | 3 | |
363 : | edgomez | 195 | /* Init XviD which will detect host cpu features */ |
364 : | xinit.cpu_flags = 0; | ||
365 : | xvid_init(NULL, 0, &xinit, NULL); | ||
366 : | Isibaar | 3 | |
367 : | edgomez | 195 | /* Settings are copied to the XviD encoder structure */ |
368 : | xparam.width = eparam->x_dim; | ||
369 : | xparam.height = eparam->y_dim; | ||
370 : | if ((eparam->framerate - (int) eparam->framerate) == 0) { | ||
371 : | xparam.fincr = 1; | ||
372 : | xparam.fbase = (int) eparam->framerate; | ||
373 : | } else { | ||
374 : | xparam.fincr = FRAMERATE_INCR; | ||
375 : | xparam.fbase = (int) (FRAMERATE_INCR * eparam->framerate); | ||
376 : | } | ||
377 : | xparam.rc_bitrate = eparam->bitrate; | ||
378 : | xparam.rc_reaction_delay_factor = 16; | ||
379 : | xparam.rc_averaging_period = 100; | ||
380 : | xparam.rc_buffer = 100; | ||
381 : | xparam.min_quantizer = eparam->min_quantizer; | ||
382 : | xparam.max_quantizer = eparam->max_quantizer; | ||
383 : | xparam.max_key_interval = eparam->max_key_interval; | ||
384 : | Isibaar | 3 | |
385 : | edgomez | 195 | /* Create the encoder session */ |
386 : | xerr = encoder_create(&xparam); | ||
387 : | edgomez | 159 | |
388 : | edgomez | 195 | eparam->handle = xparam.handle; |
389 : | |||
390 : | /* Create an encoder instance in the chainlist */ | ||
391 : | if ((ecur = einst_find(xparam.handle)) == NULL) { | ||
392 : | ecur = einst_add(xparam.handle); | ||
393 : | |||
394 : | if (ecur == NULL) { | ||
395 : | encoder_destroy((Encoder *) xparam.handle); | ||
396 : | return ENC_MEMORY; | ||
397 : | } | ||
398 : | |||
399 : | edgomez | 159 | } |
400 : | |||
401 : | edgomez | 195 | ecur->quality = eparam->quality; |
402 : | if (ecur->quality < 0) | ||
403 : | ecur->quality = 0; | ||
404 : | if (ecur->quality > 6) | ||
405 : | ecur->quality = 6; | ||
406 : | |||
407 : | break; | ||
408 : | edgomez | 159 | } |
409 : | |||
410 : | edgomez | 195 | case ENC_OPT_RELEASE: |
411 : | { | ||
412 : | EINST *ecur; | ||
413 : | edgomez | 159 | |
414 : | edgomez | 195 | if ((ecur = einst_find(handle)) == NULL) { |
415 : | return ENC_FAIL; | ||
416 : | } | ||
417 : | Isibaar | 3 | |
418 : | edgomez | 195 | einst_remove(handle); |
419 : | xerr = encoder_destroy((Encoder *) handle); | ||
420 : | edgomez | 159 | |
421 : | edgomez | 195 | break; |
422 : | edgomez | 159 | } |
423 : | |||
424 : | edgomez | 195 | case ENC_OPT_ENCODE: |
425 : | case ENC_OPT_ENCODE_VBR: | ||
426 : | { | ||
427 : | EINST *ecur; | ||
428 : | Isibaar | 3 | |
429 : | edgomez | 195 | ENC_FRAME *eframe = (ENC_FRAME *) param1; |
430 : | ENC_RESULT *eresult = (ENC_RESULT *) param2; | ||
431 : | XVID_ENC_FRAME xframe; | ||
432 : | XVID_ENC_STATS xstats; | ||
433 : | edgomez | 159 | |
434 : | edgomez | 195 | if ((ecur = einst_find(handle)) == NULL) { |
435 : | return ENC_FAIL; | ||
436 : | } | ||
437 : | Isibaar | 3 | |
438 : | edgomez | 195 | /* Copy the divx4 info into the xvid structure */ |
439 : | xframe.bitstream = eframe->bitstream; | ||
440 : | xframe.length = eframe->length; | ||
441 : | xframe.motion = divx4_motion_presets[ecur->quality]; | ||
442 : | xframe.general = divx4_general_presets[ecur->quality]; | ||
443 : | edgomez | 159 | |
444 : | edgomez | 195 | xframe.image = eframe->image; |
445 : | xframe.colorspace = xvid_to_opendivx_enc_csp(eframe->colorspace); | ||
446 : | Isibaar | 3 | |
447 : | edgomez | 195 | if (opt == ENC_OPT_ENCODE_VBR) { |
448 : | xframe.intra = eframe->intra; | ||
449 : | xframe.quant = eframe->quant; | ||
450 : | } else { | ||
451 : | xframe.intra = -1; | ||
452 : | xframe.quant = 0; | ||
453 : | } | ||
454 : | Isibaar | 3 | |
455 : | edgomez | 195 | /* Encode the frame */ |
456 : | xerr = | ||
457 : | encoder_encode((Encoder *) handle, &xframe, | ||
458 : | (eresult ? &xstats : NULL)); | ||
459 : | Isibaar | 3 | |
460 : | edgomez | 195 | /* Copy back the xvid structure to the divx4 one */ |
461 : | if (eresult) { | ||
462 : | eresult->is_key_frame = xframe.intra; | ||
463 : | eresult->quantizer = xstats.quant; | ||
464 : | eresult->total_bits = xframe.length * 8; | ||
465 : | eresult->motion_bits = xstats.hlength * 8; | ||
466 : | eresult->texture_bits = | ||
467 : | eresult->total_bits - eresult->motion_bits; | ||
468 : | } | ||
469 : | Isibaar | 3 | |
470 : | edgomez | 195 | eframe->length = xframe.length; |
471 : | Isibaar | 3 | |
472 : | edgomez | 195 | break; |
473 : | } | ||
474 : | Isibaar | 3 | |
475 : | default: | ||
476 : | return ENC_FAIL; | ||
477 : | } | ||
478 : | |||
479 : | edgomez | 143 | /* XviD Error code -> Divx4 error code */ |
480 : | edgomez | 195 | switch (xerr) { |
481 : | case XVID_ERR_OK: | ||
482 : | edgomez | 143 | return ENC_OK; |
483 : | edgomez | 195 | case XVID_ERR_MEMORY: |
484 : | edgomez | 143 | return ENC_MEMORY; |
485 : | edgomez | 195 | case XVID_ERR_FORMAT: |
486 : | edgomez | 143 | return ENC_BAD_FORMAT; |
487 : | edgomez | 195 | default: |
488 : | Isibaar | 3 | return ENC_FAIL; |
489 : | } | ||
490 : | } | ||
491 : | |||
492 : | edgomez | 143 | /************************************************************************** |
493 : | * Local Functions | ||
494 : | *************************************************************************/ | ||
495 : | |||
496 : | /*************************************** | ||
497 : | * DINST chainlist helper functions * | ||
498 : | ***************************************/ | ||
499 : | |||
500 : | /* Find an element in the chainlist according to its key value */ | ||
501 : | edgomez | 195 | static DINST * |
502 : | dinst_find(unsigned long key) | ||
503 : | edgomez | 143 | { |
504 : | edgomez | 195 | DINST *dcur = dhead; |
505 : | edgomez | 143 | |
506 : | edgomez | 195 | while (dcur) { |
507 : | if (dcur->key == key) { | ||
508 : | edgomez | 143 | return dcur; |
509 : | } | ||
510 : | dcur = dcur->next; | ||
511 : | } | ||
512 : | |||
513 : | return NULL; | ||
514 : | } | ||
515 : | |||
516 : | |||
517 : | /* Add an element to the chainlist */ | ||
518 : | edgomez | 195 | static DINST * |
519 : | dinst_add(unsigned long key) | ||
520 : | edgomez | 143 | { |
521 : | edgomez | 195 | DINST *dnext = dhead; |
522 : | edgomez | 143 | |
523 : | dhead = malloc(sizeof(DINST)); | ||
524 : | edgomez | 195 | if (dhead == NULL) { |
525 : | edgomez | 143 | dhead = dnext; |
526 : | return NULL; | ||
527 : | } | ||
528 : | |||
529 : | dhead->key = key; | ||
530 : | dhead->next = dnext; | ||
531 : | |||
532 : | return dhead; | ||
533 : | } | ||
534 : | |||
535 : | |||
536 : | /* Remove an elmement from the chainlist */ | ||
537 : | edgomez | 195 | static void |
538 : | dinst_remove(unsigned long key) | ||
539 : | edgomez | 143 | { |
540 : | edgomez | 195 | DINST *dcur = dhead; |
541 : | edgomez | 143 | |
542 : | edgomez | 195 | if (dhead == NULL) { |
543 : | edgomez | 143 | return; |
544 : | } | ||
545 : | |||
546 : | edgomez | 195 | if (dcur->key == key) { |
547 : | edgomez | 143 | dhead = dcur->next; |
548 : | free(dcur); | ||
549 : | return; | ||
550 : | } | ||
551 : | |||
552 : | edgomez | 195 | while (dcur->next) { |
553 : | if (dcur->next->key == key) { | ||
554 : | DINST *tmp = dcur->next; | ||
555 : | |||
556 : | edgomez | 143 | dcur->next = tmp->next; |
557 : | free(tmp); | ||
558 : | return; | ||
559 : | } | ||
560 : | dcur = dcur->next; | ||
561 : | } | ||
562 : | } | ||
563 : | |||
564 : | edgomez | 159 | |
565 : | edgomez | 143 | /*************************************** |
566 : | edgomez | 159 | * EINST chainlist helper functions * |
567 : | ***************************************/ | ||
568 : | |||
569 : | /* Find an element in the chainlist according to its handle */ | ||
570 : | edgomez | 195 | static EINST * |
571 : | einst_find(void *handle) | ||
572 : | edgomez | 159 | { |
573 : | edgomez | 195 | EINST *ecur = ehead; |
574 : | edgomez | 159 | |
575 : | edgomez | 195 | while (ecur) { |
576 : | if (ecur->handle == handle) { | ||
577 : | edgomez | 159 | return ecur; |
578 : | } | ||
579 : | ecur = ecur->next; | ||
580 : | } | ||
581 : | |||
582 : | return NULL; | ||
583 : | } | ||
584 : | |||
585 : | |||
586 : | /* Add an element to the chainlist */ | ||
587 : | edgomez | 195 | static EINST * |
588 : | einst_add(void *handle) | ||
589 : | edgomez | 159 | { |
590 : | edgomez | 195 | EINST *enext = ehead; |
591 : | edgomez | 159 | |
592 : | ehead = malloc(sizeof(EINST)); | ||
593 : | edgomez | 195 | if (ehead == NULL) { |
594 : | edgomez | 159 | ehead = enext; |
595 : | return NULL; | ||
596 : | } | ||
597 : | |||
598 : | ehead->handle = handle; | ||
599 : | ehead->next = enext; | ||
600 : | |||
601 : | return ehead; | ||
602 : | } | ||
603 : | |||
604 : | |||
605 : | /* Remove an elmement from the chainlist */ | ||
606 : | edgomez | 195 | static void |
607 : | einst_remove(void *handle) | ||
608 : | edgomez | 159 | { |
609 : | edgomez | 195 | EINST *ecur = ehead; |
610 : | edgomez | 159 | |
611 : | edgomez | 195 | if (ehead == NULL) { |
612 : | edgomez | 159 | return; |
613 : | } | ||
614 : | |||
615 : | edgomez | 195 | if (ecur->handle == handle) { |
616 : | edgomez | 159 | ehead = ecur->next; |
617 : | free(ecur); | ||
618 : | return; | ||
619 : | } | ||
620 : | |||
621 : | edgomez | 195 | while (ecur->next) { |
622 : | if (ecur->next->handle == handle) { | ||
623 : | EINST *tmp = ecur->next; | ||
624 : | |||
625 : | edgomez | 159 | ecur->next = tmp->next; |
626 : | free(tmp); | ||
627 : | return; | ||
628 : | } | ||
629 : | ecur = ecur->next; | ||
630 : | } | ||
631 : | } | ||
632 : | edgomez | 195 | |
633 : | edgomez | 159 | /*************************************** |
634 : | edgomez | 143 | * Colorspace code converter * |
635 : | ***************************************/ | ||
636 : | |||
637 : | edgomez | 195 | static int |
638 : | xvid_to_opendivx_dec_csp(int csp) | ||
639 : | edgomez | 143 | { |
640 : | |||
641 : | edgomez | 195 | switch (csp) { |
642 : | case DEC_YV12: | ||
643 : | edgomez | 143 | return XVID_CSP_YV12; |
644 : | edgomez | 195 | case DEC_420: |
645 : | edgomez | 143 | return XVID_CSP_I420; |
646 : | edgomez | 195 | case DEC_YUY2: |
647 : | edgomez | 143 | return XVID_CSP_YUY2; |
648 : | edgomez | 195 | case DEC_UYVY: |
649 : | edgomez | 143 | return XVID_CSP_UYVY; |
650 : | edgomez | 195 | case DEC_RGB32: |
651 : | edgomez | 143 | return XVID_CSP_VFLIP | XVID_CSP_RGB32; |
652 : | edgomez | 195 | case DEC_RGB24: |
653 : | edgomez | 143 | return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
654 : | edgomez | 195 | case DEC_RGB565: |
655 : | edgomez | 143 | return XVID_CSP_VFLIP | XVID_CSP_RGB565; |
656 : | edgomez | 195 | case DEC_RGB555: |
657 : | edgomez | 143 | return XVID_CSP_VFLIP | XVID_CSP_RGB555; |
658 : | edgomez | 195 | case DEC_RGB32_INV: |
659 : | edgomez | 143 | return XVID_CSP_RGB32; |
660 : | edgomez | 195 | case DEC_RGB24_INV: |
661 : | edgomez | 143 | return XVID_CSP_RGB24; |
662 : | edgomez | 195 | case DEC_RGB565_INV: |
663 : | edgomez | 143 | return XVID_CSP_RGB565; |
664 : | edgomez | 195 | case DEC_RGB555_INV: |
665 : | edgomez | 143 | return XVID_CSP_RGB555; |
666 : | edgomez | 195 | case DEC_USER: |
667 : | return XVID_CSP_USER; | ||
668 : | default: | ||
669 : | edgomez | 143 | return -1; |
670 : | } | ||
671 : | } | ||
672 : | |||
673 : | edgomez | 195 | static int |
674 : | xvid_to_opendivx_enc_csp(int csp) | ||
675 : | edgomez | 143 | { |
676 : | |||
677 : | edgomez | 195 | switch (csp) { |
678 : | case ENC_CSP_RGB24: | ||
679 : | edgomez | 143 | return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
680 : | edgomez | 195 | case ENC_CSP_YV12: |
681 : | edgomez | 143 | return XVID_CSP_YV12; |
682 : | edgomez | 195 | case ENC_CSP_YUY2: |
683 : | edgomez | 143 | return XVID_CSP_YUY2; |
684 : | edgomez | 195 | case ENC_CSP_UYVY: |
685 : | edgomez | 143 | return XVID_CSP_UYVY; |
686 : | edgomez | 195 | case ENC_CSP_I420: |
687 : | edgomez | 143 | return XVID_CSP_I420; |
688 : | edgomez | 195 | default: |
689 : | edgomez | 143 | return -1; |
690 : | } | ||
691 : | } |
No admin address has been configured | ViewVC Help |
Powered by ViewVC 1.0.4 |