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Diffstat (limited to 'source/blender/blenkernel/intern/movieclip.c')
-rw-r--r--source/blender/blenkernel/intern/movieclip.c1026
1 files changed, 1026 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/movieclip.c b/source/blender/blenkernel/intern/movieclip.c
new file mode 100644
index 00000000000..e3bfdd54ab1
--- /dev/null
+++ b/source/blender/blenkernel/intern/movieclip.c
@@ -0,0 +1,1026 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2011 Blender Foundation.
+ * All rights reserved.
+ *
+ * Contributor(s): Blender Foundation,
+ * Sergey Sharybin
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/blenkernel/intern/movieclip.c
+ * \ingroup bke
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+
+#ifndef WIN32
+#include <unistd.h>
+#else
+#include <io.h>
+#endif
+
+#include <time.h>
+
+#ifdef _WIN32
+#define open _open
+#define close _close
+#endif
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_constraint_types.h"
+#include "DNA_screen_types.h"
+#include "DNA_space_types.h"
+#include "DNA_movieclip_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_view3d_types.h"
+
+#include "BLI_utildefines.h"
+
+#include "BLI_blenlib.h"
+#include "BLI_ghash.h"
+#include "BLI_math.h"
+#include "BLI_mempool.h"
+#include "BLI_threads.h"
+
+#include "BKE_constraint.h"
+#include "BKE_library.h"
+#include "BKE_global.h"
+#include "BKE_main.h"
+#include "BKE_utildefines.h"
+#include "BKE_movieclip.h"
+#include "BKE_image.h" /* openanim */
+#include "BKE_tracking.h"
+
+#include "IMB_imbuf_types.h"
+#include "IMB_imbuf.h"
+#include "IMB_moviecache.h"
+
+/*********************** movieclip buffer loaders *************************/
+
+static int sequence_guess_offset(const char *full_name, int head_len, int numlen)
+{
+ char num[FILE_MAX]= {0};
+
+ BLI_strncpy(num, full_name+head_len, numlen+1);
+
+ return atoi(num);
+}
+
+static int rendersize_to_proxy(MovieClipUser *user, int flag)
+{
+ if((flag&MCLIP_USE_PROXY)==0)
+ return IMB_PROXY_NONE;
+
+ switch(user->render_size) {
+ case MCLIP_PROXY_RENDER_SIZE_25:
+ return IMB_PROXY_25;
+
+ case MCLIP_PROXY_RENDER_SIZE_50:
+ return IMB_PROXY_50;
+
+ case MCLIP_PROXY_RENDER_SIZE_75:
+ return IMB_PROXY_75;
+
+ case MCLIP_PROXY_RENDER_SIZE_100:
+ return IMB_PROXY_100;
+
+ case MCLIP_PROXY_RENDER_SIZE_FULL:
+ return IMB_PROXY_NONE;
+ }
+
+ return IMB_PROXY_NONE;
+}
+
+static int rendersize_to_number(int render_size)
+{
+ switch(render_size) {
+ case MCLIP_PROXY_RENDER_SIZE_25:
+ return 25;
+
+ case MCLIP_PROXY_RENDER_SIZE_50:
+ return 50;
+
+ case MCLIP_PROXY_RENDER_SIZE_75:
+ return 75;
+
+ case MCLIP_PROXY_RENDER_SIZE_100:
+ return 100;
+
+ case MCLIP_PROXY_RENDER_SIZE_FULL:
+ return 100;
+ }
+
+ return 100;
+}
+
+static int get_timecode(MovieClip *clip, int flag)
+{
+ if((flag&MCLIP_USE_PROXY)==0)
+ return IMB_TC_NONE;
+
+ return clip->proxy.tc;
+}
+
+static void get_sequence_fname(MovieClip *clip, int framenr, char *name)
+{
+ unsigned short numlen;
+ char head[FILE_MAX], tail[FILE_MAX];
+ int offset;
+
+ BLI_strncpy(name, clip->name, sizeof(clip->name));
+ BLI_stringdec(name, head, tail, &numlen);
+
+ /* movieclips always points to first image from sequence,
+ autoguess offset for now. could be something smarter in the future */
+ offset= sequence_guess_offset(clip->name, strlen(head), numlen);
+
+ if (numlen) BLI_stringenc(name, head, tail, numlen, offset+framenr-1);
+ else BLI_strncpy(name, clip->name, sizeof(clip->name));
+
+ BLI_path_abs(name, ID_BLEND_PATH(G.main, &clip->id));
+}
+
+/* supposed to work with sequences only */
+static void get_proxy_fname(MovieClip *clip, int proxy_render_size, int undistorted, int framenr, char *name)
+{
+ int size= rendersize_to_number(proxy_render_size);
+ char dir[FILE_MAX], clipdir[FILE_MAX], clipfile[FILE_MAX];
+
+ BLI_split_dirfile(clip->name, clipdir, clipfile, FILE_MAX, FILE_MAX);
+
+ if(clip->flag&MCLIP_USE_PROXY_CUSTOM_DIR) {
+ BLI_strncpy(dir, clip->proxy.dir, sizeof(dir));
+ } else {
+ BLI_snprintf(dir, FILE_MAX, "%s/BL_proxy", clipdir);
+ }
+
+ if(undistorted)
+ BLI_snprintf(name, FILE_MAX, "%s/%s/proxy_%d_undistorted/%08d", dir, clipfile, size, framenr);
+ else
+ BLI_snprintf(name, FILE_MAX, "%s/%s/proxy_%d/%08d", dir, clipfile, size, framenr);
+
+ BLI_path_abs(name, G.main->name);
+ BLI_path_frame(name, 1, 0);
+
+ strcat(name, ".jpg");
+}
+
+static ImBuf *movieclip_load_sequence_file(MovieClip *clip, MovieClipUser *user, int framenr, int flag)
+{
+ struct ImBuf *ibuf;
+ char name[FILE_MAX];
+ int loadflag /*, size */ /* UNUSED */, undistort;
+
+ /* size= rendersize_to_number(user->render_size); */
+
+ undistort= user->render_flag&MCLIP_PROXY_RENDER_UNDISTORT;
+
+ if((flag&MCLIP_USE_PROXY) && user->render_size != MCLIP_PROXY_RENDER_SIZE_FULL)
+ get_proxy_fname(clip, user->render_size, undistort, framenr, name);
+ else
+ get_sequence_fname(clip, framenr, name);
+
+ loadflag= IB_rect|IB_multilayer;
+
+ /* read ibuf */
+ ibuf= IMB_loadiffname(name, loadflag);
+
+ return ibuf;
+}
+
+static ImBuf *movieclip_load_movie_file(MovieClip *clip, MovieClipUser *user, int framenr, int flag)
+{
+ ImBuf *ibuf= NULL;
+ int tc= get_timecode(clip, flag);
+ int proxy= rendersize_to_proxy(user, flag);
+ char str[FILE_MAX];
+
+ if(!clip->anim) {
+ BLI_strncpy(str, clip->name, FILE_MAX);
+ BLI_path_abs(str, ID_BLEND_PATH(G.main, &clip->id));
+
+ /* FIXME: make several stream accessible in image editor, too */
+ clip->anim= openanim(str, IB_rect, 0);
+
+ if(clip->anim) {
+ if(clip->flag&MCLIP_USE_PROXY_CUSTOM_DIR) {
+ char dir[FILE_MAX];
+ BLI_strncpy(dir, clip->proxy.dir, sizeof(dir));
+ BLI_path_abs(dir, G.main->name);
+ IMB_anim_set_index_dir(clip->anim, dir);
+ }
+ }
+ }
+
+ if(clip->anim) {
+ int dur;
+ int fra;
+
+ dur= IMB_anim_get_duration(clip->anim, tc);
+ fra= framenr-1;
+
+ if(fra<0)
+ fra= 0;
+
+ if(fra>(dur-1))
+ fra= dur-1;
+
+ ibuf= IMB_anim_absolute(clip->anim, fra, tc, proxy);
+ }
+
+ return ibuf;
+}
+
+/*********************** image buffer cache *************************/
+
+typedef struct MovieClipCache {
+ /* regular movie cache */
+ struct MovieCache *moviecache;
+
+ /* cache for stable shot */
+ int stable_framenr;
+ float stable_loc[2], stable_scale, stable_angle;
+ ImBuf *stableibuf;
+ int proxy;
+ short render_flag;
+
+ /* cache for undistorted shot */
+ int undist_framenr;
+ float principal[2];
+ float k1, k2, k3;
+ ImBuf *undistibuf;
+} MovieClipCache;
+
+typedef struct MovieClipImBufCacheKey {
+ int framenr;
+ int proxy;
+ short render_flag;
+} MovieClipImBufCacheKey;
+
+static void moviecache_keydata(void *userkey, int *framenr, int *proxy, int *render_flags)
+{
+ MovieClipImBufCacheKey *key= (MovieClipImBufCacheKey*)userkey;
+
+ *framenr= key->framenr;
+ *proxy= key->proxy;
+ *render_flags= key->render_flag;
+}
+
+static unsigned int moviecache_hashhash(const void *keyv)
+{
+ MovieClipImBufCacheKey *key= (MovieClipImBufCacheKey*)keyv;
+ int rval= key->framenr;
+
+ return rval;
+}
+
+static int moviecache_hashcmp(const void *av, const void *bv)
+{
+ const MovieClipImBufCacheKey *a= (MovieClipImBufCacheKey*)av;
+ const MovieClipImBufCacheKey *b= (MovieClipImBufCacheKey*)bv;
+
+ if(a->framenr<b->framenr) return -1;
+ else if(a->framenr>b->framenr) return 1;
+
+ if(a->proxy<b->proxy) return -1;
+ else if(a->proxy>b->proxy) return 1;
+
+ if(a->render_flag<b->render_flag) return -1;
+ else if(a->render_flag>b->render_flag) return 1;
+
+ return 0;
+}
+
+static ImBuf *get_imbuf_cache(MovieClip *clip, MovieClipUser *user, int flag)
+{
+ if(clip->cache) {
+ MovieClipImBufCacheKey key;
+
+ key.framenr= user?user->framenr:clip->lastframe;
+
+ if(flag&MCLIP_USE_PROXY) {
+ key.proxy= rendersize_to_proxy(user, flag);
+ key.render_flag= user->render_flag;
+ }
+ else {
+ key.proxy= IMB_PROXY_NONE;
+ key.render_flag= 0;
+ }
+
+ return IMB_moviecache_get(clip->cache->moviecache, &key);
+ }
+
+ return NULL;
+}
+
+static void put_imbuf_cache(MovieClip *clip, MovieClipUser *user, ImBuf *ibuf, int flag)
+{
+ MovieClipImBufCacheKey key;
+
+ if(!clip->cache) {
+ clip->cache= MEM_callocN(sizeof(MovieClipCache), "movieClipCache");
+
+ clip->cache->moviecache= IMB_moviecache_create(sizeof(MovieClipImBufCacheKey), moviecache_hashhash,
+ moviecache_hashcmp, moviecache_keydata);
+ }
+
+ key.framenr= user?user->framenr:clip->lastframe;
+
+ if(flag&MCLIP_USE_PROXY) {
+ key.proxy= rendersize_to_proxy(user, flag);
+ key.render_flag= user->render_flag;
+ }
+ else {
+ key.proxy= IMB_PROXY_NONE;
+ key.render_flag= 0;
+ }
+
+ IMB_moviecache_put(clip->cache->moviecache, &key, ibuf);
+}
+
+/*********************** common functions *************************/
+
+/* only image block itself */
+static MovieClip *movieclip_alloc(const char *name)
+{
+ MovieClip *clip;
+
+ clip= alloc_libblock(&G.main->movieclip, ID_MC, name);
+
+ clip->aspx= clip->aspy= 1.0f;
+
+ clip->tracking.camera.sensor_width= 35.0f;
+ clip->tracking.camera.pixel_aspect= 1.0f;
+ clip->tracking.camera.units= CAMERA_UNITS_MM;
+
+ clip->tracking.settings.frames_limit= 0;
+ clip->tracking.settings.keyframe1= 1;
+ clip->tracking.settings.keyframe2= 30;
+ clip->tracking.settings.dist= 1;
+
+ clip->tracking.stabilization.scaleinf= 1.0f;
+ clip->tracking.stabilization.locinf= 1.0f;
+ clip->tracking.stabilization.rotinf= 1.0f;
+ clip->tracking.stabilization.maxscale= 2.0f;
+
+ clip->proxy.build_size_flag= IMB_PROXY_25;
+ clip->proxy.build_tc_flag= IMB_TC_RECORD_RUN|IMB_TC_FREE_RUN|IMB_TC_INTERPOLATED_REC_DATE_FREE_RUN;
+ clip->proxy.quality= 90;
+
+ return clip;
+}
+
+/* checks if image was already loaded, then returns same image
+ otherwise creates new.
+ does not load ibuf itself
+ pass on optional frame for #name images */
+MovieClip *BKE_add_movieclip_file(const char *name)
+{
+ MovieClip *clip;
+ MovieClipUser user;
+ int file, len, width, height;
+ const char *libname;
+ char str[FILE_MAX], strtest[FILE_MAX];
+
+ BLI_strncpy(str, name, sizeof(str));
+ BLI_path_abs(str, G.main->name);
+
+ /* exists? */
+ file= open(str, O_BINARY|O_RDONLY);
+ if(file== -1) return NULL;
+ close(file);
+
+ /* ** first search an identical clip ** */
+ for(clip= G.main->movieclip.first; clip; clip= clip->id.next) {
+ BLI_strncpy(strtest, clip->name, sizeof(clip->name));
+ BLI_path_abs(strtest, G.main->name);
+
+ if(strcmp(strtest, str)==0) {
+ BLI_strncpy(clip->name, name, sizeof(clip->name)); /* for stringcode */
+ clip->id.us++; /* officially should not, it doesn't link here! */
+
+ return clip;
+ }
+ }
+
+ /* ** add new movieclip ** */
+
+ /* create a short library name */
+ len= strlen(name);
+
+ while (len > 0 && name[len - 1] != '/' && name[len - 1] != '\\') len--;
+ libname= name+len;
+
+ clip= movieclip_alloc(libname);
+ BLI_strncpy(clip->name, name, sizeof(clip->name));
+
+ if(BLI_testextensie_array(name, imb_ext_movie)) clip->source= MCLIP_SRC_MOVIE;
+ else clip->source= MCLIP_SRC_SEQUENCE;
+
+ user.framenr= 1;
+ BKE_movieclip_get_size(clip, &user, &width, &height);
+ if(width && height) {
+ clip->tracking.camera.principal[0]= ((float)width)/2;
+ clip->tracking.camera.principal[1]= ((float)height)/2;
+
+ clip->tracking.camera.focal= 24.0f*width/clip->tracking.camera.sensor_width;
+ }
+
+ return clip;
+}
+
+static void real_ibuf_size(MovieClip *clip, MovieClipUser *user, ImBuf *ibuf, int *width, int *height)
+{
+ *width= ibuf->x;
+ *height= ibuf->y;
+
+ if(clip->flag&MCLIP_USE_PROXY) {
+ switch(user->render_size) {
+ case MCLIP_PROXY_RENDER_SIZE_25:
+ (*width)*= 4;
+ (*height)*= 4;
+ break;
+
+ case MCLIP_PROXY_RENDER_SIZE_50:
+ (*width)*= 2.0f;
+ (*height)*= 2.0f;
+ break;
+
+ case MCLIP_PROXY_RENDER_SIZE_75:
+ *width= ((float)*width)*4.0f/3.0f;
+ *height= ((float)*height)*4.0f/3.0f;
+ break;
+ }
+ }
+}
+
+static int need_undistorted_cache(MovieClipUser *user, int flag)
+{
+ if (!user)
+ return 0;
+
+ /* only full undistorted render can be used as on-fly undistorting image */
+ if(flag&MCLIP_USE_PROXY) {
+ if(user->render_size != MCLIP_PROXY_RENDER_SIZE_FULL || (user->render_flag&MCLIP_PROXY_RENDER_UNDISTORT)==0)
+ return 0;
+ }
+ else return 0;
+
+ return 1;
+}
+
+static ImBuf *get_undistorted_cache(MovieClip *clip, MovieClipUser *user)
+{
+ MovieClipCache *cache= clip->cache;
+ MovieTrackingCamera *camera= &clip->tracking.camera;
+ int framenr= user?user->framenr:clip->lastframe;
+
+ /* no cache or no cached undistorted image */
+ if(!clip->cache || !clip->cache->undistibuf)
+ return NULL;
+
+ /* undistortion happened for other frame */
+ if(cache->undist_framenr!=framenr)
+ return NULL;
+
+ /* check for distortion model changes */
+ if(!equals_v2v2(camera->principal, cache->principal))
+ return NULL;
+
+ if(!equals_v3v3(&camera->k1, &cache->k1))
+ return NULL;
+
+ IMB_refImBuf(cache->undistibuf);
+
+ return cache->undistibuf;
+}
+
+static ImBuf *get_undistorted_ibuf(MovieClip *clip, struct MovieDistortion *distoriton, ImBuf *ibuf)
+{
+ ImBuf *undistibuf;
+
+ /* XXX: because of #27997 do not use float buffers to undistort,
+ otherwise, undistorted proxy can be darker than it should */
+ imb_freerectfloatImBuf(ibuf);
+
+ if(distoriton)
+ undistibuf= BKE_tracking_distortion_exec(distoriton, &clip->tracking, ibuf, ibuf->x, ibuf->y, 0.0f, 1);
+ else
+ undistibuf= BKE_tracking_undistort(&clip->tracking, ibuf, ibuf->x, ibuf->y, 0.0f);
+
+ if(undistibuf->userflags|= IB_RECT_INVALID) {
+ ibuf->userflags&= ~IB_RECT_INVALID;
+ IMB_rect_from_float(undistibuf);
+ }
+
+ IMB_scaleImBuf(undistibuf, ibuf->x, ibuf->y);
+
+ return undistibuf;
+}
+
+static ImBuf *put_undistorted_cache(MovieClip *clip, MovieClipUser *user, ImBuf *ibuf)
+{
+ MovieClipCache *cache= clip->cache;
+ MovieTrackingCamera *camera= &clip->tracking.camera;
+
+ copy_v2_v2(cache->principal, camera->principal);
+ copy_v3_v3(&cache->k1, &camera->k1);
+ cache->undist_framenr= user?user->framenr:clip->lastframe;
+
+ if(cache->undistibuf)
+ IMB_freeImBuf(cache->undistibuf);
+
+ cache->undistibuf= get_undistorted_ibuf(clip, NULL, ibuf);
+
+ if(cache->stableibuf) {
+ /* force stable buffer be re-calculated */
+ IMB_freeImBuf(cache->stableibuf);
+ cache->stableibuf= NULL;
+ }
+
+ IMB_refImBuf(cache->undistibuf);
+
+ return cache->undistibuf;
+}
+
+ImBuf *BKE_movieclip_get_ibuf(MovieClip *clip, MovieClipUser *user)
+{
+ ImBuf *ibuf= NULL;
+ int framenr= user?user->framenr:clip->lastframe;
+ int cache_undistorted= 0;
+
+ /* cache isn't threadsafe itself and also loading of movies
+ can't happen from concurent threads that's why we use lock here */
+ BLI_lock_thread(LOCK_MOVIECLIP);
+
+ /* try to obtain cached undistorted image first */
+ if(need_undistorted_cache(user, clip->flag)) {
+ ibuf= get_undistorted_cache(clip, user);
+ if(!ibuf)
+ cache_undistorted= 1;
+ }
+
+ if(!ibuf)
+ ibuf= get_imbuf_cache(clip, user, clip->flag);
+
+ if(!ibuf) {
+ int use_sequence= 1;
+
+ /* undistorted proxies for movies should be read as image sequence */
+ use_sequence&= user->render_flag&MCLIP_PROXY_RENDER_UNDISTORT;
+ use_sequence&= user->render_size!=MCLIP_PROXY_RENDER_SIZE_FULL;
+
+ if(clip->source==MCLIP_SRC_SEQUENCE || use_sequence)
+ ibuf= movieclip_load_sequence_file(clip, user, framenr, clip->flag);
+ else {
+ ibuf= movieclip_load_movie_file(clip, user, framenr, clip->flag);
+ }
+
+ if(ibuf)
+ put_imbuf_cache(clip, user, ibuf, clip->flag);
+ }
+
+ if(ibuf) {
+ clip->lastframe= framenr;
+ real_ibuf_size(clip, user, ibuf, &clip->lastsize[0], &clip->lastsize[1]);
+
+ /* put undistorted frame to cache */
+ if(cache_undistorted) {
+ ImBuf *tmpibuf= ibuf;
+ ibuf= put_undistorted_cache(clip, user, tmpibuf);
+ IMB_freeImBuf(tmpibuf);
+ }
+ }
+
+ BLI_unlock_thread(LOCK_MOVIECLIP);
+
+ return ibuf;
+}
+
+ImBuf *BKE_movieclip_get_ibuf_flag(MovieClip *clip, MovieClipUser *user, int flag)
+{
+ ImBuf *ibuf= NULL;
+ int framenr= user?user->framenr:clip->lastframe;
+ int cache_undistorted= 0;
+
+ /* cache isn't threadsafe itself and also loading of movies
+ can't happen from concurent threads that's why we use lock here */
+ BLI_lock_thread(LOCK_MOVIECLIP);
+
+ /* try to obtain cached undistorted image first */
+ if(need_undistorted_cache(user, flag)) {
+ ibuf= get_undistorted_cache(clip, user);
+ if(!ibuf)
+ cache_undistorted= 1;
+ }
+
+ ibuf= get_imbuf_cache(clip, user, flag);
+
+ if(!ibuf) {
+ if(clip->source==MCLIP_SRC_SEQUENCE) {
+ ibuf= movieclip_load_sequence_file(clip, user, framenr, flag);
+ } else {
+ ibuf= movieclip_load_movie_file(clip, user, framenr, flag);
+ }
+
+ if(ibuf) {
+ int bits= MCLIP_USE_PROXY|MCLIP_USE_PROXY_CUSTOM_DIR;
+
+ if((flag&bits)==(clip->flag&bits))
+ put_imbuf_cache(clip, user, ibuf, clip->flag);
+ }
+ }
+
+ /* put undistorted frame to cache */
+ if(ibuf && cache_undistorted) {
+ ImBuf *tmpibuf= ibuf;
+ ibuf= put_undistorted_cache(clip, user, tmpibuf);
+ IMB_freeImBuf(tmpibuf);
+ }
+
+ BLI_unlock_thread(LOCK_MOVIECLIP);
+
+ return ibuf;
+}
+
+ImBuf *BKE_movieclip_get_stable_ibuf(MovieClip *clip, MovieClipUser *user, float loc[2], float *scale, float *angle)
+{
+ ImBuf *ibuf, *stableibuf= NULL;
+ int framenr= user?user->framenr:clip->lastframe;
+
+ ibuf= BKE_movieclip_get_ibuf(clip, user);
+
+ if(!ibuf)
+ return NULL;
+
+ if(clip->tracking.stabilization.flag&TRACKING_2D_STABILIZATION) {
+ float tloc[2], tscale, tangle;
+ short proxy= IMB_PROXY_NONE;
+ int render_flag= 0;
+
+ if(clip->flag&MCLIP_USE_PROXY) {
+ proxy= rendersize_to_proxy(user, clip->flag);
+ render_flag= user->render_flag;
+ }
+
+ if(clip->cache->stableibuf && clip->cache->stable_framenr==framenr) { /* there's cached ibuf */
+ if(clip->cache->render_flag==render_flag && clip->cache->proxy==proxy) { /* cached ibuf used the same proxy settings */
+ stableibuf= clip->cache->stableibuf;
+
+ BKE_tracking_stabilization_data(&clip->tracking, framenr, stableibuf->x, stableibuf->y, tloc, &tscale, &tangle);
+
+ /* check for stabilization parameters */
+ if(!equals_v2v2(tloc, clip->cache->stable_loc) || tscale!=clip->cache->stable_scale || tangle!=clip->cache->stable_angle) {
+ stableibuf= NULL;
+ }
+ }
+ }
+
+ if(!stableibuf) {
+ if(clip->cache->stableibuf)
+ IMB_freeImBuf(clip->cache->stableibuf);
+
+ stableibuf= BKE_tracking_stabilize(&clip->tracking, framenr, ibuf, tloc, &tscale, &tangle);
+
+ copy_v2_v2(clip->cache->stable_loc, tloc);
+ clip->cache->stable_scale= tscale;
+ clip->cache->stable_angle= tangle;
+ clip->cache->stable_framenr= framenr;
+ clip->cache->stableibuf= stableibuf;
+ clip->cache->proxy= proxy;
+ clip->cache->render_flag= render_flag;
+ }
+
+ IMB_refImBuf(stableibuf);
+
+ if(loc) copy_v2_v2(loc, tloc);
+ if(scale) *scale= tscale;
+ if(angle) *angle= tangle;
+ } else {
+ if(loc) zero_v2(loc);
+ if(scale) *scale= 1.0f;
+ if(angle) *angle= 0.0f;
+
+ stableibuf= ibuf;
+ }
+
+ if(stableibuf!=ibuf) {
+ IMB_freeImBuf(ibuf);
+ ibuf= stableibuf;
+ }
+
+ return ibuf;
+
+}
+
+int BKE_movieclip_has_frame(MovieClip *clip, MovieClipUser *user)
+{
+ ImBuf *ibuf= BKE_movieclip_get_ibuf(clip, user);
+
+ if(ibuf) {
+ IMB_freeImBuf(ibuf);
+ return 1;
+ }
+
+ return 0;
+}
+
+void BKE_movieclip_get_size(MovieClip *clip, MovieClipUser *user, int *width, int *height)
+{
+ if(!user || user->framenr==clip->lastframe) {
+ *width= clip->lastsize[0];
+ *height= clip->lastsize[1];
+ } else {
+ ImBuf *ibuf= BKE_movieclip_get_ibuf(clip, user);
+
+ if(ibuf && ibuf->x && ibuf->y) {
+ real_ibuf_size(clip, user, ibuf, width, height);
+ } else {
+ *width= 0;
+ *height= 0;
+ }
+
+ if(ibuf)
+ IMB_freeImBuf(ibuf);
+ }
+}
+
+void BKE_movieclip_aspect(MovieClip *clip, float *aspx, float *aspy)
+{
+ *aspx= *aspy= 1.0;
+
+ /* x is always 1 */
+ *aspy = clip->aspy/clip->aspx/clip->tracking.camera.pixel_aspect;
+}
+
+/* get segments of cached frames. useful for debugging cache policies */
+void BKE_movieclip_get_cache_segments(MovieClip *clip, MovieClipUser *user, int *totseg_r, int **points_r)
+{
+ *totseg_r= 0;
+ *points_r= NULL;
+
+ if(clip->cache) {
+ int proxy= rendersize_to_proxy(user, clip->flag);
+
+ IMB_moviecache_get_cache_segments(clip->cache->moviecache, proxy, user->render_flag, totseg_r, points_r);
+ }
+}
+
+void BKE_movieclip_user_set_frame(MovieClipUser *iuser, int framenr)
+{
+ /* TODO: clamp framenr here? */
+
+ iuser->framenr= framenr;
+}
+
+static void free_buffers(MovieClip *clip)
+{
+ if(clip->cache) {
+ IMB_moviecache_free(clip->cache->moviecache);
+
+ if(clip->cache->stableibuf)
+ IMB_freeImBuf(clip->cache->stableibuf);
+
+ if(clip->cache->undistibuf)
+ IMB_freeImBuf(clip->cache->undistibuf);
+
+ MEM_freeN(clip->cache);
+ clip->cache= NULL;
+ }
+
+ if(clip->anim) {
+ IMB_free_anim(clip->anim);
+ clip->anim= FALSE;
+ }
+}
+
+void BKE_movieclip_reload(MovieClip *clip)
+{
+ /* clear cache */
+ free_buffers(clip);
+
+ clip->tracking.stabilization.ok= 0;
+
+ /* update clip source */
+ if(BLI_testextensie_array(clip->name, imb_ext_movie)) clip->source= MCLIP_SRC_MOVIE;
+ else clip->source= MCLIP_SRC_SEQUENCE;
+}
+
+void BKE_movieclip_update_scopes(MovieClip *clip, MovieClipUser *user, MovieClipScopes *scopes)
+{
+ if(scopes->ok) return;
+
+ if(scopes->track_preview) {
+ IMB_freeImBuf(scopes->track_preview);
+ scopes->track_preview= NULL;
+ }
+
+ scopes->marker= NULL;
+ scopes->track= NULL;
+
+ if(clip) {
+ if(clip->tracking.act_track) {
+ MovieTrackingTrack *track= clip->tracking.act_track;
+ MovieTrackingMarker *marker= BKE_tracking_get_marker(track, user->framenr);
+
+ if(marker->flag&MARKER_DISABLED) {
+ scopes->track_disabled= 1;
+ } else {
+ ImBuf *ibuf= BKE_movieclip_get_ibuf(clip, user);
+
+ scopes->track_disabled= 0;
+
+ if(ibuf && ibuf->rect) {
+ ImBuf *tmpibuf;
+ MovieTrackingMarker undist_marker= *marker;
+
+ if(user->render_flag&MCLIP_PROXY_RENDER_UNDISTORT) {
+ int width, height;
+ float aspy= 1.0f/clip->tracking.camera.pixel_aspect;;
+
+ BKE_movieclip_get_size(clip, user, &width, &height);
+
+ undist_marker.pos[0]*= width;
+ undist_marker.pos[1]*= height*aspy;
+
+ BKE_tracking_invert_intrinsics(&clip->tracking, undist_marker.pos, undist_marker.pos);
+
+ undist_marker.pos[0]/= width;
+ undist_marker.pos[1]/= height*aspy;
+ }
+
+ tmpibuf= BKE_tracking_get_pattern_imbuf(ibuf, track, &undist_marker, 1, 1, scopes->track_pos, NULL);
+
+ if(tmpibuf->rect_float)
+ IMB_rect_from_float(tmpibuf);
+
+ if(tmpibuf->rect)
+ scopes->track_preview= tmpibuf;
+ else
+ IMB_freeImBuf(tmpibuf);
+ }
+
+ IMB_freeImBuf(ibuf);
+ }
+
+ if((track->flag&TRACK_LOCKED)==0) {
+ scopes->marker= marker;
+ scopes->track= track;
+ scopes->slide_scale[0]= track->pat_max[0]-track->pat_min[0];
+ scopes->slide_scale[1]= track->pat_max[1]-track->pat_min[1];
+ }
+ }
+ }
+
+ scopes->framenr= user->framenr;
+ scopes->ok= 1;
+}
+
+static void movieclip_build_proxy_ibuf(MovieClip *clip, ImBuf *ibuf, int cfra, int proxy_render_size, int undistorted)
+{
+ char name[FILE_MAXFILE+FILE_MAXDIR];
+ int quality, rectx, recty;
+ int size= size= rendersize_to_number(proxy_render_size);
+ ImBuf *scaleibuf;
+
+ get_proxy_fname(clip, proxy_render_size, undistorted, cfra, name);
+
+ rectx= ibuf->x*size/100.0f;
+ recty= ibuf->y*size/100.0f;
+
+ scaleibuf= IMB_dupImBuf(ibuf);
+
+ IMB_scaleImBuf(scaleibuf, (short)rectx, (short)recty);
+
+ quality= clip->proxy.quality;
+ scaleibuf->ftype= JPG | quality;
+
+ /* unsupported feature only confuses other s/w */
+ if(scaleibuf->depth==32)
+ scaleibuf->depth= 24;
+
+ BLI_lock_thread(LOCK_MOVIECLIP);
+
+ BLI_make_existing_file(name);
+ if(IMB_saveiff(scaleibuf, name, IB_rect)==0)
+ perror(name);
+
+ BLI_unlock_thread(LOCK_MOVIECLIP);
+
+ IMB_freeImBuf(scaleibuf);
+}
+
+void BKE_movieclip_build_proxy_frame(MovieClip *clip, struct MovieDistortion *distortion,
+ int cfra, int *build_sizes, int build_count, int undistorted)
+{
+ ImBuf *ibuf;
+ MovieClipUser user;
+
+ user.framenr= cfra;
+
+ ibuf= BKE_movieclip_get_ibuf_flag(clip, &user, 0);
+
+ if(ibuf) {
+ ImBuf *tmpibuf= ibuf;
+ int i;
+
+ if(undistorted)
+ tmpibuf= get_undistorted_ibuf(clip, distortion, ibuf);
+
+ for(i= 0; i<build_count; i++)
+ movieclip_build_proxy_ibuf(clip, tmpibuf, cfra, build_sizes[i], undistorted);
+
+ IMB_freeImBuf(ibuf);
+
+ if(tmpibuf!=ibuf)
+ IMB_freeImBuf(tmpibuf);
+ }
+}
+
+void free_movieclip(MovieClip *clip)
+{
+ free_buffers(clip);
+
+ BKE_tracking_free(&clip->tracking);
+}
+
+void unlink_movieclip(Main *bmain, MovieClip *clip)
+{
+ bScreen *scr;
+ ScrArea *area;
+ SpaceLink *sl;
+ Scene *sce;
+ Object *ob;
+
+ for(scr= bmain->screen.first; scr; scr= scr->id.next) {
+ for(area= scr->areabase.first; area; area= area->next) {
+ for(sl= area->spacedata.first; sl; sl= sl->next) {
+ if(sl->spacetype==SPACE_CLIP) {
+ SpaceClip *sc= (SpaceClip *) sl;
+
+ if(sc->clip==clip)
+ sc->clip= NULL;
+ }
+ else if(sl->spacetype==SPACE_VIEW3D) {
+ View3D *v3d= (View3D *) sl;
+ BGpic *bgpic;
+
+ for(bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next) {
+ if(bgpic->clip==clip)
+ bgpic->clip= NULL;
+ }
+ }
+ }
+ }
+ }
+
+ for(sce= bmain->scene.first; sce; sce= sce->id.next) {
+ if(sce->clip==clip)
+ sce->clip= NULL;
+ }
+
+ for(ob= bmain->object.first; ob; ob= ob->id.next) {
+ bConstraint *con= ob->constraints.first;
+
+ for (con= ob->constraints.first; con; con= con->next) {
+ bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
+
+ if(cti->type==CONSTRAINT_TYPE_FOLLOWTRACK) {
+ bFollowTrackConstraint *data= (bFollowTrackConstraint *) con->data;
+
+ if(data->clip==clip)
+ data->clip= NULL;
+ }
+ else if(cti->type==CONSTRAINT_TYPE_CAMERASOLVER) {
+ bCameraSolverConstraint *data= (bCameraSolverConstraint *) con->data;
+
+ if(data->clip==clip)
+ data->clip= NULL;
+ }
+ }
+ }
+
+ clip->id.us= 0;
+}