| 1 | /* |
| 2 | * filter_stabilize.c |
| 3 | * |
| 4 | * Copyright (C) Georg Martius - June 2007 |
| 5 | * georg dot martius at web dot de |
| 6 | * |
| 7 | * This file is part of transcode, a video stream processing tool |
| 8 | * |
| 9 | * transcode is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2, or (at your option) |
| 12 | * any later version. |
| 13 | * |
| 14 | * transcode is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with GNU Make; see the file COPYING. If not, write to |
| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | /* Typical call: |
| 26 | * transcode -V -J stabilize=shakiness=5:show=1,preview |
| 27 | * -i inp.mpeg -y null,null -o dummy |
| 28 | * all parameters are optional |
| 29 | */ |
| 30 | |
| 31 | #include "libvidstab.h" |
| 32 | |
| 33 | #define MOD_NAME "filter_stabilize.so" |
| 34 | #define MOD_VERSION LIBVIDSTAB_VERSION |
| 35 | #define MOD_CAP "extracts relative transformations of \n\ |
| 36 | subsequent frames (used for stabilization together with the\n\ |
| 37 | transform filter in a second pass)" |
| 38 | #define MOD_AUTHOR "Georg Martius" |
| 39 | |
| 40 | /* Ideas: |
| 41 | - Try OpenCL/Cuda, this should work great |
| 42 | - use smoothing on the frames and then use gradient decent! |
| 43 | - stepsize could be adapted (maybe to check only one field with large |
| 44 | stepsize and use the maximally required for the other fields |
| 45 | */ |
| 46 | |
| 47 | #define MOD_FEATURES \ |
| 48 | TC_MODULE_FEATURE_FILTER|TC_MODULE_FEATURE_VIDEO |
| 49 | #define MOD_FLAGS \ |
| 50 | TC_MODULE_FLAG_RECONFIGURABLE | TC_MODULE_FLAG_DELAY |
| 51 | |
| 52 | |
| 53 | #define DEFAULT_TRANS_FILE_NAME "transforms.dat" |
| 54 | |
| 55 | #include <math.h> |
| 56 | #include <libgen.h> |
| 57 | |
| 58 | #include "transcode.h" |
| 59 | #include "filter.h" |
| 60 | #include "libtc/libtc.h" |
| 61 | #include "libtc/optstr.h" |
| 62 | #include "libtc/tccodecs.h" |
| 63 | #include "libtc/tcmodule-plugin.h" |
| 64 | |
| 65 | #include "transcode_specifics.h" |
| 66 | |
| 67 | /* private date structure of this filter*/ |
| 68 | typedef struct _stab_data { |
| 69 | VSMotionDetect md; |
| 70 | vob_t* vob; // pointer to information structure |
| 71 | |
| 72 | char* result; |
| 73 | FILE* f; |
| 74 | |
| 75 | char conf_str[TC_BUF_MIN]; |
| 76 | } StabData; |
| 77 | |
| 78 | /*************************************************************************/ |
| 79 | |
| 80 | /* Module interface routines and data. */ |
| 81 | |
| 82 | /*************************************************************************/ |
| 83 | |
| 84 | /** |
| 85 | * stabilize_init: Initialize this instance of the module. See |
| 86 | * tcmodule-data.h for function details. |
| 87 | */ |
| 88 | |
| 89 | static int stabilize_init(TCModuleInstance *self, uint32_t features) |
| 90 | { |
| 91 | StabData* sd = NULL; |
| 92 | TC_MODULE_SELF_CHECK(self, "init"); |
| 93 | TC_MODULE_INIT_CHECK(self, MOD_FEATURES, features); |
| 94 | |
| 95 | setLogFunctions(); |
| 96 | |
| 97 | sd = tc_zalloc(sizeof(StabData)); // allocation with zero values |
| 98 | if (!sd) { |
| 99 | if (verbose > TC_INFO) |
| 100 | tc_log_error(MOD_NAME, "init: out of memory!"); |
| 101 | return TC_ERROR; |
| 102 | } |
| 103 | |
| 104 | sd->vob = tc_get_vob(); |
| 105 | if (!sd->vob) |
| 106 | return TC_ERROR; |
| 107 | |
| 108 | /**** Initialise private data structure */ |
| 109 | |
| 110 | self->userdata = sd; |
| 111 | if (verbose & TC_INFO){ |
| 112 | tc_log_info(MOD_NAME, "%s %s", MOD_VERSION, MOD_CAP); |
| 113 | } |
| 114 | |
| 115 | return TC_OK; |
| 116 | } |
| 117 | |
| 118 | |
| 119 | /* |
| 120 | * stabilize_fini: Clean up after this instance of the module. See |
| 121 | * tcmodule-data.h for function details. |
| 122 | */ |
| 123 | static int stabilize_fini(TCModuleInstance *self) |
| 124 | { |
| 125 | StabData *sd = NULL; |
| 126 | TC_MODULE_SELF_CHECK(self, "fini"); |
| 127 | sd = self->userdata; |
| 128 | |
| 129 | tc_free(sd); |
| 130 | self->userdata = NULL; |
| 131 | return TC_OK; |
| 132 | } |
| 133 | |
| 134 | /* |
| 135 | * stabilize_configure: Configure this instance of the module. See |
| 136 | * tcmodule-data.h for function details. |
| 137 | */ |
| 138 | static int stabilize_configure(TCModuleInstance *self, |
| 139 | const char *options, vob_t *vob) |
| 140 | { |
| 141 | StabData *sd = NULL; |
| 142 | TC_MODULE_SELF_CHECK(self, "configure"); |
| 143 | char* filenamecopy, *filebasename; |
| 144 | |
| 145 | sd = self->userdata; |
| 146 | |
| 147 | /* sd->framesize = sd->vob->im_v_width * MAX_PLANES * |
| 148 | sizeof(char) * 2 * sd->vob->im_v_height * 2; */ |
| 149 | |
| 150 | VSMotionDetect* md = &(sd->md); |
| 151 | VSFrameInfo fi; |
| 152 | vsFrameInfoInit(&fi, sd->vob->ex_v_width, sd->vob->ex_v_height, |
| 153 | transcode2ourPF(vob->im_v_codec)); |
| 154 | |
| 155 | VSMotionDetectConfig conf = vsMotionDetectGetDefaultConfig(MOD_NAME); |
| 156 | |
| 157 | sd->result = tc_malloc(TC_BUF_LINE); |
| 158 | filenamecopy = tc_strdup(sd->vob->video_in_file); |
| 159 | filebasename = basename(filenamecopy); |
| 160 | if (strlen(filebasename) < TC_BUF_LINE - 4) { |
| 161 | tc_snprintf(sd->result, TC_BUF_LINE, "%s.trf", filebasename); |
| 162 | } else { |
| 163 | tc_log_warn(MOD_NAME, "input name too long, using default `%s'", |
| 164 | DEFAULT_TRANS_FILE_NAME); |
| 165 | tc_snprintf(sd->result, TC_BUF_LINE, DEFAULT_TRANS_FILE_NAME); |
| 166 | } |
| 167 | |
| 168 | if (options != NULL) { |
| 169 | // for some reason this plugin is called in the old fashion |
| 170 | // (not with inspect). Anyway we support both ways of getting help. |
| 171 | if(optstr_lookup(options, "help")) { |
| 172 | tc_log_info(MOD_NAME,vs_motiondetect_help); |
| 173 | return(TC_IMPORT_ERROR); |
| 174 | } |
| 175 | |
| 176 | optstr_get(options, "result", "%[^:]", sd->result); |
| 177 | optstr_get(options, "shakiness", "%d", &conf.shakiness); |
| 178 | optstr_get(options, "accuracy", "%d", &conf.accuracy); |
| 179 | optstr_get(options, "stepsize", "%d", &conf.stepSize); |
| 180 | optstr_get(options, "algo", "%d", &conf.algo); |
| 181 | optstr_get(options, "mincontrast","%lf",&conf.contrastThreshold); |
| 182 | optstr_get(options, "tripod", "%d", &conf.virtualTripod); |
| 183 | optstr_get(options, "show", "%d", &conf.show); |
| 184 | } |
| 185 | |
| 186 | if(vsMotionDetectInit(md, &conf, &fi) != VS_OK){ |
| 187 | tc_log_error(MOD_NAME, "initialization of Motion Detection failed"); |
| 188 | return TC_ERROR; |
| 189 | } |
| 190 | vsMotionDetectGetConfig(&conf,md); |
| 191 | |
| 192 | if (verbose) { |
| 193 | tc_log_info(MOD_NAME, "Image Stabilization Settings:"); |
| 194 | tc_log_info(MOD_NAME, " shakiness = %d", conf.shakiness); |
| 195 | tc_log_info(MOD_NAME, " accuracy = %d", conf.accuracy); |
| 196 | tc_log_info(MOD_NAME, " stepsize = %d", conf.stepSize); |
| 197 | tc_log_info(MOD_NAME, " algo = %d", conf.algo); |
| 198 | tc_log_info(MOD_NAME, " mincontrast = %f", conf.contrastThreshold); |
| 199 | tc_log_info(MOD_NAME, " tripod = %d", conf.virtualTripod); |
| 200 | tc_log_info(MOD_NAME, " show = %d", conf.show); |
| 201 | tc_log_info(MOD_NAME, " result = %s", sd->result); |
| 202 | } |
| 203 | |
| 204 | sd->f = fopen(sd->result, "w"); |
| 205 | if (sd->f == NULL) { |
| 206 | tc_log_error(MOD_NAME, "cannot open result file %s!\n", sd->result); |
| 207 | return TC_ERROR; |
| 208 | }else{ |
| 209 | if(vsPrepareFile(md, sd->f) != VS_OK){ |
| 210 | tc_log_error(MOD_NAME, "cannot write to result file %s", sd->result); |
| 211 | return TC_ERROR; |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | return TC_OK; |
| 216 | } |
| 217 | |
| 218 | |
| 219 | /** |
| 220 | * stabilize_filter_video: performs the analysis of subsequent frames |
| 221 | * See tcmodule-data.h for function details. |
| 222 | */ |
| 223 | |
| 224 | static int stabilize_filter_video(TCModuleInstance *self, |
| 225 | vframe_list_t *frame) |
| 226 | { |
| 227 | StabData *sd = NULL; |
| 228 | |
| 229 | TC_MODULE_SELF_CHECK(self, "filter_video"); |
| 230 | TC_MODULE_SELF_CHECK(frame, "filter_video"); |
| 231 | |
| 232 | sd = self->userdata; |
| 233 | VSMotionDetect* md = &(sd->md); |
| 234 | LocalMotions localmotions; |
| 235 | VSFrame vsFrame; |
| 236 | vsFrameFillFromBuffer(&vsFrame,frame->video_buf, &md->fi); |
| 237 | |
| 238 | if(vsMotionDetection(md, &localmotions, &vsFrame)!= VS_OK){ |
| 239 | tc_log_error(MOD_NAME, "motion detection failed"); |
| 240 | return TC_ERROR; |
| 241 | } |
| 242 | if(vsWriteToFile(md, sd->f, &localmotions) != VS_OK){ |
| 243 | vs_vector_del(&localmotions); |
| 244 | return TC_ERROR; |
| 245 | } else { |
| 246 | vs_vector_del(&localmotions); |
| 247 | return TC_OK; |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * stabilize_stop: Reset this instance of the module. See tcmodule-data.h |
| 253 | * for function details. |
| 254 | */ |
| 255 | |
| 256 | static int stabilize_stop(TCModuleInstance *self) |
| 257 | { |
| 258 | StabData *sd = NULL; |
| 259 | TC_MODULE_SELF_CHECK(self, "stop"); |
| 260 | sd = self->userdata; |
| 261 | VSMotionDetect* md = &(sd->md); |
| 262 | if (sd->f) { |
| 263 | fclose(sd->f); |
| 264 | sd->f = NULL; |
| 265 | } |
| 266 | |
| 267 | vsMotionDetectionCleanup(md); |
| 268 | if (sd->result) { |
| 269 | tc_free(sd->result); |
| 270 | sd->result = NULL; |
| 271 | } |
| 272 | return TC_OK; |
| 273 | } |
| 274 | |
| 275 | /* checks for parameter in function _inspect */ |
| 276 | #define CHECKPARAM(paramname, formatstring, variable) \ |
| 277 | if (optstr_lookup(param, paramname)) { \ |
| 278 | tc_snprintf(sd->conf_str, sizeof(sd->conf_str), \ |
| 279 | formatstring, variable); \ |
| 280 | *value = sd->conf_str; \ |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * stabilize_inspect: Return the value of an option in this instance of |
| 285 | * the module. See tcmodule-data.h for function details. |
| 286 | */ |
| 287 | |
| 288 | static int stabilize_inspect(TCModuleInstance *self, |
| 289 | const char *param, const char **value) |
| 290 | { |
| 291 | StabData *sd = NULL; |
| 292 | |
| 293 | TC_MODULE_SELF_CHECK(self, "inspect"); |
| 294 | TC_MODULE_SELF_CHECK(param, "inspect"); |
| 295 | TC_MODULE_SELF_CHECK(value, "inspect"); |
| 296 | sd = self->userdata; |
| 297 | VSMotionDetect* md = &(sd->md); |
| 298 | if (optstr_lookup(param, "help")) { |
| 299 | *value = vs_motiondetect_help; |
| 300 | } |
| 301 | VSMotionDetectConfig conf; |
| 302 | vsMotionDetectGetConfig(&conf,md); |
| 303 | |
| 304 | CHECKPARAM("shakiness","shakiness=%d", conf.shakiness); |
| 305 | CHECKPARAM("accuracy", "accuracy=%d", conf.accuracy); |
| 306 | CHECKPARAM("stepsize", "stepsize=%d", conf.stepSize); |
| 307 | CHECKPARAM("algo", "algo=%d", conf.algo); |
| 308 | CHECKPARAM("tripod", "tripod=%d", conf.virtualTripod); |
| 309 | CHECKPARAM("show", "show=%d", conf.show); |
| 310 | CHECKPARAM("result", "result=%s", sd->result); |
| 311 | return TC_OK; |
| 312 | } |
| 313 | |
| 314 | static const TCCodecID stabilize_codecs_in[] = { |
| 315 | TC_CODEC_YUV420P, TC_CODEC_YUV422P, TC_CODEC_RGB, TC_CODEC_ERROR |
| 316 | }; |
| 317 | static const TCCodecID stabilize_codecs_out[] = { |
| 318 | TC_CODEC_YUV420P, TC_CODEC_YUV422P, TC_CODEC_RGB, TC_CODEC_ERROR |
| 319 | }; |
| 320 | TC_MODULE_FILTER_FORMATS(stabilize); |
| 321 | |
| 322 | TC_MODULE_INFO(stabilize); |
| 323 | |
| 324 | static const TCModuleClass stabilize_class = { |
| 325 | TC_MODULE_CLASS_HEAD(stabilize), |
| 326 | |
| 327 | .init = stabilize_init, |
| 328 | .fini = stabilize_fini, |
| 329 | .configure = stabilize_configure, |
| 330 | .stop = stabilize_stop, |
| 331 | .inspect = stabilize_inspect, |
| 332 | |
| 333 | .filter_video = stabilize_filter_video, |
| 334 | }; |
| 335 | |
| 336 | TC_MODULE_ENTRY_POINT(stabilize) |
| 337 | |
| 338 | /*************************************************************************/ |
| 339 | |
| 340 | static int stabilize_get_config(TCModuleInstance *self, char *options) |
| 341 | { |
| 342 | TC_MODULE_SELF_CHECK(self, "get_config"); |
| 343 | |
| 344 | optstr_filter_desc(options, MOD_NAME, MOD_CAP, MOD_VERSION, |
| 345 | MOD_AUTHOR, "VRY4", "1"); |
| 346 | |
| 347 | return TC_OK; |
| 348 | } |
| 349 | |
| 350 | static int stabilize_process(TCModuleInstance *self, frame_list_t *frame) |
| 351 | { |
| 352 | TC_MODULE_SELF_CHECK(self, "process"); |
| 353 | |
| 354 | // if (frame->tag & TC_PRE_S_PROCESS && frame->tag & TC_VIDEO) { |
| 355 | if (frame->tag & TC_POST_S_PROCESS && frame->tag & TC_VIDEO) { |
| 356 | return stabilize_filter_video(self, (vframe_list_t *)frame); |
| 357 | } |
| 358 | return TC_OK; |
| 359 | } |
| 360 | |
| 361 | /*************************************************************************/ |
| 362 | |
| 363 | TC_FILTER_OLDINTERFACE(stabilize) |
| 364 | |
| 365 | /*************************************************************************/ |
| 366 | |
| 367 | /* |
| 368 | * Local variables: |
| 369 | * c-file-style: "stroustrup" |
| 370 | * c-file-offsets: ((case-label . *) (statement-case-intro . *)) |
| 371 | * indent-tabs-mode: nil |
| 372 | * c-basic-offset: 2 t |
| 373 | * End: |
| 374 | * |
| 375 | * vim: expandtab shiftwidth=2: |
| 376 | */ |