2 * GStreamer gstreamer-lcms
3 * Copyright (C) 2016 Andreas Frisch <fraxinas@dreambox.guru>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
24 * SECTION:element-lcms
25 * @short_description: Uses LittleCMS 2 to perform ICC profile correction
27 * This is a color management plugin that uses LittleCMS 2 to correct
28 * frames using the given ICC (International Color Consortium) profiles.
29 * Falls back to internal sRGB profile if no ICC file is specified in property.
31 * ## Example launch line
33 * (write everything in one line, without the backslash characters)
35 * gst-launch-1.0 filesrc location=photo_camera.png ! pngdec ! \
36 * videoconvert ! lcms input-profile=sRGB.icc dest-profile=printer.icc \
37 * pngenc ! filesink location=photo_print.png
48 #include <gst/video/video.h>
52 GST_DEBUG_CATEGORY_STATIC (lcms_debug);
53 #define GST_CAT_DEFAULT lcms_debug
55 /* GstLcms properties */
68 gst_lcms_intent_get_type (void)
70 static volatile gsize intent_type = 0;
71 static const GEnumValue intent[] = {
72 {GST_LCMS_INTENT_PERCEPTUAL, "Perceptual",
74 {GST_LCMS_INTENT_RELATIVE_COLORIMETRIC, "Relative Colorimetric",
76 {GST_LCMS_INTENT_SATURATION, "Saturation",
78 {GST_LCMS_INTENT_ABSOLUTE_COLORIMETRIC, "Absolute Colorimetric",
83 if (g_once_init_enter (&intent_type)) {
84 GType tmp = g_enum_register_static ("GstLcmsIntent", intent);
85 g_once_init_leave (&intent_type, tmp);
87 return (GType) intent_type;
91 gst_lcms_lookup_method_get_type (void)
93 static volatile gsize lookup_method_type = 0;
94 static const GEnumValue lookup_method[] = {
95 {GST_LCMS_LOOKUP_METHOD_UNCACHED,
96 "Uncached, calculate every pixel on the fly (very slow playback)",
98 {GST_LCMS_LOOKUP_METHOD_PRECALCULATED,
99 "Precalculate lookup table (takes a long time getting READY)",
101 {GST_LCMS_LOOKUP_METHOD_CACHED,
102 "Calculate and cache color replacement values on first occurence",
107 if (g_once_init_enter (&lookup_method_type)) {
108 GType tmp = g_enum_register_static ("GstLcmsLookupMethod", lookup_method);
109 g_once_init_leave (&lookup_method_type, tmp);
111 return (GType) lookup_method_type;
114 #define DEFAULT_INTENT GST_LCMS_INTENT_PERCEPTUAL
115 #define DEFAULT_LOOKUP_METHOD GST_LCMS_LOOKUP_METHOD_CACHED
116 #define DEFAULT_PRESERVE_BLACK FALSE
117 #define DEFAULT_EMBEDDED_PROFILE TRUE
119 static GstStaticPadTemplate gst_lcms_src_template =
120 GST_STATIC_PAD_TEMPLATE ("src",
123 GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ "
124 "ARGB, BGRA, ABGR, RGBA, xRGB," "RGBx, xBGR, BGRx, RGB, BGR }"))
127 static GstStaticPadTemplate gst_lcms_sink_template =
128 GST_STATIC_PAD_TEMPLATE ("sink",
131 GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ "
132 "ARGB, BGRA, ABGR, RGBA, xRGB," "RGBx, xBGR, BGRx, RGB, BGR }"))
135 static void gst_lcms_set_property (GObject * object, guint prop_id,
136 const GValue * value, GParamSpec * pspec);
137 static void gst_lcms_get_property (GObject * object, guint prop_id,
138 GValue * value, GParamSpec * pspec);
139 static void gst_lcms_finalize (GObject * object);
140 static GstStateChangeReturn gst_lcms_change_state (GstElement * element,
141 GstStateChange transition);
142 static gboolean gst_lcms_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
143 GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info);
144 static gboolean gst_lcms_sink_event (GstBaseTransform * trans,
146 static void gst_lcms_handle_tags (GstLcms * lcms, GstTagList * taglist);
147 static void gst_lcms_handle_tag_sample (GstLcms * lcms, GstSample * sample);
148 static GstFlowReturn gst_lcms_transform_frame (GstVideoFilter * vfilter,
149 GstVideoFrame * inframe, GstVideoFrame * outframe);
150 static GstFlowReturn gst_lcms_transform_frame_ip (GstVideoFilter * vfilter,
151 GstVideoFrame * frame);
153 static void gst_lcms_get_ready (GstLcms * lcms);
154 static void gst_lcms_create_transform (GstLcms * lcms);
155 static void gst_lcms_cleanup_cms (GstLcms * lcms);
156 static void gst_lcms_init_lookup_table (GstLcms * lcms);
157 static void gst_lcms_process_rgb (GstLcms * lcms, GstVideoFrame * inframe,
158 GstVideoFrame * outframe);
160 G_DEFINE_TYPE (GstLcms, gst_lcms, GST_TYPE_VIDEO_FILTER);
163 gst_lcms_class_init (GstLcmsClass * klass)
165 GObjectClass *gobject_class = (GObjectClass *) klass;
166 GstElementClass *element_class = (GstElementClass *) klass;
167 GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
168 GstVideoFilterClass *vfilter_class = (GstVideoFilterClass *) klass;
170 GST_DEBUG_CATEGORY_INIT (lcms_debug, "lcms", 0, "lcms");
172 gobject_class->set_property = gst_lcms_set_property;
173 gobject_class->get_property = gst_lcms_get_property;
174 gobject_class->finalize = gst_lcms_finalize;
176 g_object_class_install_property (gobject_class, PROP_INTENT,
177 g_param_spec_enum ("intent", "Rendering intent",
178 "Select the rendering intent of the color correction",
179 GST_TYPE_LCMS_INTENT, DEFAULT_INTENT,
180 (G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
182 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SRC_FILE,
183 g_param_spec_string ("input-profile", "Input ICC profile file",
184 "Specify the input ICC profile file to apply", NULL,
185 (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
187 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DST_FILE,
188 g_param_spec_string ("dest-profile", "Destination ICC profile file",
189 "Specify the destination ICC profile file to apply", NULL,
190 (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
192 g_object_class_install_property (gobject_class, PROP_LOOKUP_METHOD,
193 g_param_spec_enum ("lookup", "Lookup method",
194 "Select the caching method for the color compensation calculations",
195 GST_TYPE_LCMS_LOOKUP_METHOD, DEFAULT_LOOKUP_METHOD,
196 (G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
198 g_object_class_install_property (gobject_class, PROP_PRESERVE_BLACK,
199 g_param_spec_boolean ("preserve-black", "Preserve black",
200 "Select whether purely black pixels should be preserved",
201 DEFAULT_PRESERVE_BLACK,
202 (G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
204 g_object_class_install_property (gobject_class, PROP_EMBEDDED_PROFILE,
205 g_param_spec_boolean ("embedded-profile", "Embedded Profile",
206 "Extract and use source profiles embedded in images",
207 DEFAULT_EMBEDDED_PROFILE,
208 (G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
210 gst_element_class_set_static_metadata (element_class,
211 "LCMS2 ICC correction", "Filter/Effect/Video",
212 "Uses LittleCMS 2 to perform ICC profile correction",
213 "Andreas Frisch <fraxinas@opendreambox.org>");
215 gst_element_class_add_pad_template (element_class,
216 gst_static_pad_template_get (&gst_lcms_sink_template));
217 gst_element_class_add_pad_template (element_class,
218 gst_static_pad_template_get (&gst_lcms_src_template));
220 element_class->change_state = GST_DEBUG_FUNCPTR (gst_lcms_change_state);
222 trans_class->sink_event = GST_DEBUG_FUNCPTR (gst_lcms_sink_event);
224 vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_lcms_set_info);
225 vfilter_class->transform_frame_ip =
226 GST_DEBUG_FUNCPTR (gst_lcms_transform_frame_ip);
227 vfilter_class->transform_frame = GST_DEBUG_FUNCPTR (gst_lcms_transform_frame);
231 gst_lcms_init (GstLcms * lcms)
233 lcms->color_lut = NULL;
234 lcms->cms_inp_profile = NULL;
235 lcms->cms_dst_profile = NULL;
236 lcms->cms_transform = NULL;
240 gst_lcms_finalize (GObject * object)
242 GstLcms *lcms = GST_LCMS (object);
244 g_free (lcms->color_lut);
245 g_free (lcms->inp_profile_filename);
246 g_free (lcms->dst_profile_filename);
247 G_OBJECT_CLASS (gst_lcms_parent_class)->finalize (object);
251 gst_lcms_set_intent (GstLcms * lcms, GstLcmsIntent intent)
254 g_enum_get_value (G_ENUM_CLASS (g_type_class_ref
255 (GST_TYPE_LCMS_INTENT)), intent);
256 const gchar *value_nick;
258 g_return_if_fail (GST_IS_LCMS (lcms));
260 GST_ERROR_OBJECT (lcms, "no such rendering intent %i!", intent);
263 value_nick = val->value_nick;
265 GST_OBJECT_LOCK (lcms);
266 lcms->intent = intent;
267 GST_OBJECT_UNLOCK (lcms);
269 GST_DEBUG_OBJECT (lcms, "successfully set rendering intent to %s (%i)",
275 gst_lcms_get_intent (GstLcms * lcms)
277 g_return_val_if_fail (GST_IS_LCMS (lcms), (GstLcmsIntent) - 1);
282 gst_lcms_set_lookup_method (GstLcms * lcms, GstLcmsLookupMethod method)
285 g_enum_get_value (G_ENUM_CLASS (g_type_class_ref
286 (GST_TYPE_LCMS_LOOKUP_METHOD)), method);
287 const gchar *value_nick;
289 g_return_if_fail (GST_IS_LCMS (lcms));
291 GST_ERROR_OBJECT (lcms, "no such lookup method %i!", method);
294 value_nick = val->value_nick;
296 GST_OBJECT_LOCK (lcms);
297 lcms->lookup_method = method;
298 GST_OBJECT_UNLOCK (lcms);
300 GST_DEBUG_OBJECT (lcms, "successfully set lookup method to %s (%i)",
305 static GstLcmsLookupMethod
306 gst_lcms_get_lookup_method (GstLcms * lcms)
308 g_return_val_if_fail (GST_IS_LCMS (lcms), (GstLcmsLookupMethod) - 1);
309 return lcms->lookup_method;
313 gst_lcms_set_property (GObject * object, guint prop_id, const GValue * value,
316 const gchar *filename;
317 GstLcms *lcms = GST_LCMS (object);
322 GST_OBJECT_LOCK (lcms);
323 filename = g_value_get_string (value);
325 && g_file_test (filename,
326 (GFileTest) (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR))) {
327 if (lcms->inp_profile_filename)
328 g_free (lcms->inp_profile_filename);
329 lcms->inp_profile_filename = g_strdup (filename);
331 GST_WARNING_OBJECT (lcms, "Input profile file '%s' not found!",
334 GST_OBJECT_UNLOCK (lcms);
339 GST_OBJECT_LOCK (lcms);
340 filename = g_value_get_string (value);
341 if (g_file_test (filename,
342 (GFileTest) (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR))) {
343 if (lcms->dst_profile_filename)
344 g_free (lcms->dst_profile_filename);
345 lcms->dst_profile_filename = g_strdup (filename);
347 GST_WARNING_OBJECT (lcms, "Destination profile file '%s' not found!",
350 GST_OBJECT_UNLOCK (lcms);
354 gst_lcms_set_intent (lcms, (GstLcmsIntent) g_value_get_enum (value));
356 case PROP_LOOKUP_METHOD:
357 gst_lcms_set_lookup_method (lcms,
358 (GstLcmsLookupMethod) g_value_get_enum (value));
360 case PROP_PRESERVE_BLACK:
361 lcms->preserve_black = g_value_get_boolean (value);
363 case PROP_EMBEDDED_PROFILE:
364 lcms->embeddedprofiles = g_value_get_boolean (value);
367 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
373 gst_lcms_get_property (GObject * object, guint prop_id, GValue * value,
376 GstLcms *lcms = GST_LCMS (object);
380 g_value_set_string (value, lcms->inp_profile_filename);
383 g_value_set_string (value, lcms->dst_profile_filename);
386 g_value_set_enum (value, gst_lcms_get_intent (lcms));
388 case PROP_LOOKUP_METHOD:
389 g_value_set_enum (value, gst_lcms_get_lookup_method (lcms));
391 case PROP_PRESERVE_BLACK:
392 g_value_set_boolean (value, lcms->preserve_black);
394 case PROP_EMBEDDED_PROFILE:
395 g_value_set_boolean (value, lcms->embeddedprofiles);
398 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
403 static GstStateChangeReturn
404 gst_lcms_change_state (GstElement * element, GstStateChange transition)
406 GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
407 GstLcms *lcms = GST_LCMS (element);
409 switch (transition) {
410 case GST_STATE_CHANGE_NULL_TO_READY:
411 GST_DEBUG_OBJECT (lcms, "GST_STATE_CHANGE_NULL_TO_READY");
412 gst_lcms_get_ready (lcms);
414 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
416 if (!lcms->cms_inp_profile) {
417 if (!lcms->cms_dst_profile) {
418 GST_WARNING_OBJECT (lcms,
419 "No input or output ICC profile specified, falling back to passthrough!");
420 gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (lcms), TRUE);
421 GST_BASE_TRANSFORM_CLASS (GST_LCMS_GET_CLASS
422 (lcms))->transform_ip_on_passthrough = lcms->embeddedprofiles;
423 return GST_STATE_CHANGE_SUCCESS;
425 lcms->cms_inp_profile = cmsCreate_sRGBProfile ();
426 GST_INFO_OBJECT (lcms,
427 "No input profile specified, falling back to sRGB");
435 if (ret == GST_STATE_CHANGE_SUCCESS)
437 GST_ELEMENT_CLASS (gst_lcms_parent_class)->change_state (element,
440 switch (transition) {
441 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
442 case GST_STATE_CHANGE_PAUSED_TO_READY:
444 case GST_STATE_CHANGE_READY_TO_NULL:
445 gst_lcms_cleanup_cms (lcms);
453 gst_lcms_get_ready (GstLcms * lcms)
455 if (lcms->inp_profile_filename) {
456 lcms->cms_inp_profile =
457 cmsOpenProfileFromFile (lcms->inp_profile_filename, "r");
458 if (!lcms->cms_inp_profile)
459 GST_ERROR_OBJECT (lcms, "Couldn't parse input ICC profile '%s'",
460 lcms->inp_profile_filename);
462 GST_DEBUG_OBJECT (lcms, "Successfully opened input ICC profile '%s'",
463 lcms->inp_profile_filename);
466 if (lcms->dst_profile_filename) {
467 lcms->cms_dst_profile =
468 cmsOpenProfileFromFile (lcms->dst_profile_filename, "r");
469 if (!lcms->cms_dst_profile)
470 GST_ERROR_OBJECT (lcms,
471 "Couldn't parse destination ICC profile '%s'",
472 lcms->dst_profile_filename);
474 GST_DEBUG_OBJECT (lcms, "Successfully opened output ICC profile '%s'",
475 lcms->dst_profile_filename);
478 if (lcms->lookup_method != GST_LCMS_LOOKUP_METHOD_UNCACHED) {
479 gst_lcms_init_lookup_table (lcms);
484 gst_lcms_cleanup_cms (GstLcms * lcms)
486 if (lcms->cms_inp_profile) {
487 cmsCloseProfile (lcms->cms_inp_profile);
488 lcms->cms_inp_profile = NULL;
490 if (lcms->cms_dst_profile) {
491 cmsCloseProfile (lcms->cms_dst_profile);
492 lcms->cms_dst_profile = NULL;
494 if (lcms->cms_transform) {
495 cmsDeleteTransform (lcms->cms_transform);
496 lcms->cms_transform = NULL;
501 gst_lcms_init_lookup_table (GstLcms * lcms)
504 const guint32 color_max = 0x01000000;
507 g_free (lcms->color_lut);
509 lcms->color_lut = g_new (guint32, color_max);
511 if (lcms->color_lut == NULL) {
512 GST_ELEMENT_ERROR (lcms, RESOURCE, FAILED, ("LUT alloc failed"),
513 ("Unable to open allocate memory for lookup table!"));
517 if (lcms->lookup_method == GST_LCMS_LOOKUP_METHOD_PRECALCULATED) {
518 cmsHTRANSFORM hTransform;
520 cmsCreateTransform (lcms->cms_inp_profile, TYPE_RGB_8,
521 lcms->cms_dst_profile, TYPE_RGB_8, lcms->intent, 0);
522 /*FIXME use cmsFLAGS_COPY_ALPHA when new lcms2 2.8 release is available */
523 for (p = 0; p < color_max; p++)
524 cmsDoTransform (hTransform, (const cmsUInt32Number *) &p,
525 &lcms->color_lut[p], 1);
526 cmsDeleteTransform (hTransform);
527 GST_DEBUG_OBJECT (lcms, "writing lookup table finished");
528 } else if (lcms->lookup_method == GST_LCMS_LOOKUP_METHOD_CACHED) {
529 memset (lcms->color_lut, 0xAA, color_max * sizeof (guint32));
530 GST_DEBUG_OBJECT (lcms, "initialized empty lookup table for caching");
532 if (lcms->preserve_black)
533 lcms->color_lut[0] = 0x000000;
536 static cmsUInt32Number
537 gst_lcms_cms_format_from_gst (GstVideoFormat gst_format)
539 cmsUInt32Number cms_format = 0;
540 switch (gst_format) {
541 case GST_VIDEO_FORMAT_ARGB:
542 case GST_VIDEO_FORMAT_xRGB:
543 cms_format = TYPE_ARGB_8;
545 case GST_VIDEO_FORMAT_xBGR:
546 case GST_VIDEO_FORMAT_ABGR:
547 cms_format = TYPE_ABGR_8;
549 case GST_VIDEO_FORMAT_BGRA:
550 case GST_VIDEO_FORMAT_BGRx:
551 cms_format = TYPE_BGRA_8;
553 case GST_VIDEO_FORMAT_BGR:
554 cms_format = TYPE_BGR_8;
556 case GST_VIDEO_FORMAT_RGBA:
557 case GST_VIDEO_FORMAT_RGBx:
558 cms_format = TYPE_RGBA_8;
560 case GST_VIDEO_FORMAT_RGB:
561 cms_format = TYPE_RGB_8;
570 gst_lcms_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
571 GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
573 GstLcms *lcms = GST_LCMS (vfilter);
575 GST_DEBUG_OBJECT (lcms,
576 "setting caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps,
579 lcms->cms_inp_format =
580 gst_lcms_cms_format_from_gst (GST_VIDEO_INFO_FORMAT (in_info));
581 lcms->cms_dst_format =
582 gst_lcms_cms_format_from_gst (GST_VIDEO_INFO_FORMAT (out_info));
584 if (gst_base_transform_is_passthrough (GST_BASE_TRANSFORM (lcms)))
587 if (!lcms->cms_inp_format || !lcms->cms_dst_format)
590 if (lcms->cms_inp_format == lcms->cms_dst_format
591 && lcms->lookup_method != GST_LCMS_LOOKUP_METHOD_UNCACHED) {
592 gst_base_transform_set_in_place (GST_BASE_TRANSFORM (lcms), TRUE);
594 gst_base_transform_set_in_place (GST_BASE_TRANSFORM (lcms), FALSE);
596 gst_lcms_create_transform (lcms);
597 lcms->process = gst_lcms_process_rgb;
603 GST_ERROR_OBJECT (lcms, "Invalid caps: %" GST_PTR_FORMAT, incaps);
609 gst_lcms_create_transform (GstLcms * lcms)
611 if (!lcms->cms_dst_profile) {
612 lcms->cms_dst_profile = cmsCreate_sRGBProfile ();
613 GST_INFO_OBJECT (lcms, "No output profile specified, falling back to sRGB");
615 lcms->cms_transform =
616 cmsCreateTransform (lcms->cms_inp_profile, lcms->cms_inp_format,
617 lcms->cms_dst_profile, lcms->cms_dst_format, lcms->intent, 0);
618 if (lcms->cms_transform) {
619 GST_DEBUG_OBJECT (lcms, "created transformation format=%i->%i",
620 lcms->cms_inp_format, lcms->cms_dst_format);
622 GST_WARNING_OBJECT (lcms,
623 "couldn't create transformation format=%i->%i, fallback to passthrough!",
624 lcms->cms_inp_format, lcms->cms_dst_format);
625 gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (lcms), TRUE);
630 gst_lcms_sink_event (GstBaseTransform * trans, GstEvent * event)
632 gboolean ret = FALSE;
633 GstLcms *lcms = GST_LCMS (trans);
635 switch (GST_EVENT_TYPE (event)) {
638 if (lcms->embeddedprofiles) {
639 GstTagList *taglist = NULL;
640 /* icc profiles might be embedded in attachments */
641 gst_event_parse_tag (event, &taglist);
642 gst_lcms_handle_tags (lcms, taglist);
650 GST_BASE_TRANSFORM_CLASS (gst_lcms_parent_class)->sink_event (trans,
656 gst_lcms_handle_tag_sample (GstLcms * lcms, GstSample * sample)
659 const GstStructure *structure;
661 buf = gst_sample_get_buffer (sample);
662 structure = gst_sample_get_info (sample);
664 if (!buf || !structure)
667 if (gst_structure_has_name (structure, "application/vnd.iccprofile")) {
668 if (!lcms->inp_profile_filename
669 && lcms->lookup_method != GST_LCMS_LOOKUP_METHOD_UNCACHED) {
671 const gchar *icc_name;
672 icc_name = gst_structure_get_string (structure, "icc-name");
673 gst_buffer_map (buf, &map, GST_MAP_READ);
674 lcms->cms_inp_profile = cmsOpenProfileFromMem (map.data, map.size);
675 gst_buffer_unmap (buf, &map);
676 if (!lcms->cms_inp_profile)
677 GST_WARNING_OBJECT (lcms,
678 "Couldn't parse embedded input ICC profile '%s'", icc_name);
680 GST_DEBUG_OBJECT (lcms,
681 "Successfully opened embedded input ICC profile '%s'", icc_name);
682 if (lcms->cms_inp_format) {
683 gst_lcms_create_transform (lcms);
684 gst_lcms_init_lookup_table (lcms);
688 GST_DEBUG_OBJECT (lcms,
689 "disregarding embedded ICC profile because input profile file was explicitly specified");
692 GST_DEBUG_OBJECT (lcms, "attachment is not an ICC profile");
696 gst_lcms_handle_tags (GstLcms * lcms, GstTagList * taglist)
703 tag_size = gst_tag_list_get_tag_size (taglist, GST_TAG_ATTACHMENT);
707 for (index = 0; index < tag_size; index++) {
708 if (gst_tag_list_get_sample_index (taglist, GST_TAG_ATTACHMENT, index,
710 gst_lcms_handle_tag_sample (lcms, sample);
711 gst_sample_unref (sample);
718 gst_lcms_transform_frame_ip (GstVideoFilter * vfilter, GstVideoFrame * inframe)
720 GstLcms *lcms = GST_LCMS (vfilter);
721 if (!gst_base_transform_is_passthrough (GST_BASE_TRANSFORM (lcms)))
722 lcms->process (lcms, inframe, NULL);
727 gst_lcms_transform_frame (GstVideoFilter * vfilter, GstVideoFrame * inframe,
728 GstVideoFrame * outframe)
730 GstLcms *lcms = GST_LCMS (vfilter);
731 if (!gst_base_transform_is_passthrough (GST_BASE_TRANSFORM (lcms)))
732 lcms->process (lcms, inframe, outframe);
737 gst_lcms_process_rgb (GstLcms * lcms, GstVideoFrame * inframe,
738 GstVideoFrame * outframe)
741 gint width, in_stride, out_stride;
742 gint in_pixel_stride, out_pixel_stride;
743 gint in_offsets[4], out_offsets[4];
744 guint8 *in_data, *out_data;
746 gint in_row_wrap, out_row_wrap;
749 in_data = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (inframe, 0);
750 in_stride = GST_VIDEO_FRAME_PLANE_STRIDE (inframe, 0);
751 width = GST_VIDEO_FRAME_COMP_WIDTH (inframe, 0);
752 height = GST_VIDEO_FRAME_COMP_HEIGHT (inframe, 0);
753 in_pixel_stride = GST_VIDEO_FRAME_COMP_PSTRIDE (inframe, 0);
755 in_offsets[0] = GST_VIDEO_FRAME_COMP_OFFSET (inframe, 0);
756 in_offsets[1] = GST_VIDEO_FRAME_COMP_OFFSET (inframe, 1);
757 in_offsets[2] = GST_VIDEO_FRAME_COMP_OFFSET (inframe, 2);
758 in_offsets[3] = GST_VIDEO_FRAME_COMP_OFFSET (inframe, 3);
761 if (width != GST_VIDEO_FRAME_COMP_WIDTH (outframe, 0)
762 || height != GST_VIDEO_FRAME_COMP_HEIGHT (outframe, 0)) {
763 GST_WARNING_OBJECT (lcms,
764 "can't transform, input dimensions != output dimensions!");
767 out_data = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (outframe, 0);
768 out_stride = GST_VIDEO_FRAME_PLANE_STRIDE (outframe, 0);
769 out_pixel_stride = GST_VIDEO_FRAME_COMP_PSTRIDE (outframe, 0);
770 out_offsets[0] = GST_VIDEO_FRAME_COMP_OFFSET (inframe, 0);
771 out_offsets[1] = GST_VIDEO_FRAME_COMP_OFFSET (inframe, 1);
772 out_offsets[2] = GST_VIDEO_FRAME_COMP_OFFSET (inframe, 2);
773 out_offsets[3] = GST_VIDEO_FRAME_COMP_OFFSET (inframe, 3);
774 GST_LOG_OBJECT (lcms,
775 "transforming frame (%ix%i) stride=%i->%i pixel_stride=%i->%i format=%s->%s",
776 width, height, in_stride, out_stride, in_pixel_stride, out_pixel_stride,
777 gst_video_format_to_string (inframe->info.finfo->format),
778 gst_video_format_to_string (outframe->info.finfo->format));
779 } else { /* in-place transformation */
780 GST_LOG_OBJECT (lcms,
781 "transforming frame IN-PLACE (%ix%i) pixel_stride=%i format=%s", width,
782 height, in_pixel_stride,
783 gst_video_format_to_string (inframe->info.finfo->format));
785 out_stride = in_stride;
786 out_pixel_stride = in_pixel_stride;
787 out_offsets[0] = in_offsets[0];
788 out_offsets[1] = in_offsets[1];
789 out_offsets[2] = in_offsets[2];
790 out_offsets[3] = in_offsets[3];
793 in_row_wrap = in_stride - in_pixel_stride * width;
794 out_row_wrap = out_stride - out_pixel_stride * width;
796 if (lcms->lookup_method == GST_LCMS_LOOKUP_METHOD_UNCACHED) {
797 if (!GST_VIDEO_FORMAT_INFO_HAS_ALPHA (inframe->info.finfo)
798 && !lcms->preserve_black) {
799 GST_DEBUG_OBJECT (lcms,
800 "GST_LCMS_LOOKUP_METHOD_UNCACHED WITHOUT alpha AND WITHOUT preserve-black -> picture-at-once transformation!");
801 cmsDoTransformStride (lcms->cms_transform, in_data, out_data,
802 height * width, out_pixel_stride);
804 GST_DEBUG_OBJECT (lcms,
805 "GST_LCMS_LOOKUP_METHOD_UNCACHED WITH alpha or preserve-black -> pixel-by-pixel transformation!");
806 for (i = 0; i < height; i++) {
807 for (j = 0; j < width; j++) {
808 if (GST_VIDEO_FORMAT_INFO_HAS_ALPHA (inframe->info.finfo))
809 alpha = in_data[in_offsets[3]];
810 if (lcms->preserve_black && (in_data[in_offsets[0]] == 0x00)
811 && (in_data[in_offsets[1]] == 0x00)
812 && (in_data[in_offsets[2]] == 0x0))
813 out_data[out_offsets[0]] = out_data[out_offsets[1]] =
814 out_data[out_offsets[2]] = 0x00;
816 cmsDoTransformStride (lcms->cms_transform, in_data, out_data, 1,
819 out_data[in_offsets[3]] = alpha;
820 in_data += in_pixel_stride;
821 out_data += out_pixel_stride;
823 in_data += in_row_wrap;
824 out_data += out_row_wrap;
827 } else if (lcms->lookup_method == GST_LCMS_LOOKUP_METHOD_PRECALCULATED) {
828 guint32 color, new_color;
829 GST_LOG_OBJECT (lcms, "GST_LCMS_LOOKUP_METHOD_PRECALCULATED");
830 for (i = 0; i < height; i++) {
831 for (j = 0; j < width; j++) {
833 in_data[in_offsets[0]] |
834 in_data[in_offsets[1]] << 0x08 | in_data[in_offsets[2]] << 0x10;
835 new_color = lcms->color_lut[color];
836 out_data[out_offsets[0]] = (new_color & 0x0000FF) >> 0x00;
837 out_data[out_offsets[1]] = (new_color & 0x00FF00) >> 0x08;
838 out_data[out_offsets[2]] = (new_color & 0xFF0000) >> 0x10;
839 GST_TRACE_OBJECT (lcms,
840 "(%i:%i)@%p original color 0x%08X (dest was 0x%08X)", i, j, in_data,
842 if (GST_VIDEO_FORMAT_INFO_HAS_ALPHA (inframe->info.finfo)) {
843 out_data[in_offsets[3]] = in_data[out_offsets[3]];
845 in_data += in_pixel_stride;
846 out_data += out_pixel_stride;
848 in_data += in_row_wrap;
849 out_data += out_row_wrap;
851 } else if (lcms->lookup_method == GST_LCMS_LOOKUP_METHOD_CACHED) {
852 guint32 color, new_color;
853 GST_LOG_OBJECT (lcms, "GST_LCMS_LOOKUP_METHOD_CACHED");
854 for (i = 0; i < height; i++) {
855 for (j = 0; j < width; j++) {
856 if (GST_VIDEO_FORMAT_INFO_HAS_ALPHA (inframe->info.finfo))
857 alpha = in_data[in_offsets[3]];
859 in_data[in_offsets[0]] |
860 in_data[in_offsets[1]] << 0x08 | in_data[in_offsets[2]] << 0x10;
861 new_color = lcms->color_lut[color];
862 if (new_color == 0xAAAAAAAA) {
863 cmsDoTransform (lcms->cms_transform, in_data, out_data, 1);
865 out_data[out_offsets[0]] |
866 out_data[out_offsets[1]] << 0x08 |
867 out_data[out_offsets[2]] << 0x10;
868 GST_OBJECT_LOCK (lcms);
869 lcms->color_lut[color] = new_color;
870 GST_OBJECT_UNLOCK (lcms);
871 GST_TRACE_OBJECT (lcms, "cached color 0x%08X -> 0x%08X", color,
874 out_data[out_offsets[0]] = (new_color & 0x0000FF) >> 0x00;
875 out_data[out_offsets[1]] = (new_color & 0x00FF00) >> 0x08;
876 out_data[out_offsets[2]] = (new_color & 0xFF0000) >> 0x10;
879 out_data[in_offsets[3]] = alpha;
881 in_data += in_pixel_stride;
882 out_data += out_pixel_stride;
884 in_data += in_row_wrap;
885 out_data += out_row_wrap;