diff options
Diffstat (limited to 'source/blender/blenkernel/intern/seqmodifier.c')
| -rw-r--r-- | source/blender/blenkernel/intern/seqmodifier.c | 522 |
1 files changed, 522 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/seqmodifier.c b/source/blender/blenkernel/intern/seqmodifier.c new file mode 100644 index 00000000000..4157a3a1562 --- /dev/null +++ b/source/blender/blenkernel/intern/seqmodifier.c @@ -0,0 +1,522 @@ +/* + * ***** 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) 2012 Blender Foundation. + * All rights reserved. + * + * Contributor(s): Blender Foundation, + * Sergey Sharybin + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/blenkernel/intern/seqmodifier.c + * \ingroup bke + */ + +#include <stddef.h> +#include <string.h> + +#include "MEM_guardedalloc.h" + +#include "BLI_listbase.h" +#include "BLI_path_util.h" +#include "BLI_string.h" +#include "BLI_utildefines.h" +#include "BLI_math.h" + +#include "DNA_sequence_types.h" + +#include "BKE_colortools.h" +#include "BKE_sequencer.h" +#include "BKE_utildefines.h" + +#include "IMB_imbuf.h" +#include "IMB_imbuf_types.h" + +static SequenceModifierTypeInfo *modifiersTypes[NUM_SEQUENCE_MODIFIER_TYPES]; +static int modifierTypesInit = FALSE; + +/*********************** Modifiers *************************/ + +typedef void (*modifier_apply_threaded_cb) (int width, int height, unsigned char *rect, float *rect_float, + unsigned char *mask_rect, float *mask_rect_float, void *data_v); + +typedef struct ModifierInitData { + ImBuf *ibuf; + ImBuf *mask; + void *user_data; + + modifier_apply_threaded_cb apply_callback; +} ModifierInitData; + +typedef struct ModifierThread { + int width, height; + + unsigned char *rect, *mask_rect; + float *rect_float, *mask_rect_float; + + void *user_data; + + modifier_apply_threaded_cb apply_callback; +} ModifierThread; + + +static ImBuf *modifier_mask_get(SequenceModifierData *smd, SeqRenderData context, int cfra, int make_float) +{ + return BKE_sequencer_render_mask_input(context, smd->mask_input_type, smd->mask_sequence, smd->mask_id, cfra, make_float); +} + +static void modifier_init_handle(void *handle_v, int start_line, int tot_line, void *init_data_v) +{ + ModifierThread *handle = (ModifierThread *) handle_v; + ModifierInitData *init_data = (ModifierInitData *) init_data_v; + ImBuf *ibuf = init_data->ibuf; + ImBuf *mask = init_data->mask; + + int offset = 4 * start_line * ibuf->x; + + memset(handle, 0, sizeof(ModifierThread)); + + handle->width = ibuf->x; + handle->height = tot_line; + handle->apply_callback = init_data->apply_callback; + handle->user_data = init_data->user_data; + + if (ibuf->rect) + handle->rect = (unsigned char *) ibuf->rect + offset; + + if (ibuf->rect_float) + handle->rect_float = ibuf->rect_float + offset; + + if (mask) { + if (mask->rect) + handle->mask_rect = (unsigned char *) mask->rect + offset; + + if (mask->rect_float) + handle->mask_rect_float = mask->rect_float + offset; + } + else { + handle->mask_rect = NULL; + handle->mask_rect_float = NULL; + } +} + +static void *modifier_do_thread(void *thread_data_v) +{ + ModifierThread *td = (ModifierThread *) thread_data_v; + + td->apply_callback(td->width, td->height, td->rect, td->rect_float, td->mask_rect, td->mask_rect_float, td->user_data); + + return NULL; +} + +static void modifier_apply_threaded(ImBuf *ibuf, ImBuf *mask, modifier_apply_threaded_cb apply_callback, void *user_data) +{ + ModifierInitData init_data; + + init_data.ibuf = ibuf; + init_data.mask = mask; + init_data.user_data = user_data; + + init_data.apply_callback = apply_callback; + + IMB_processor_apply_threaded(ibuf->y, sizeof(ModifierThread), &init_data, + modifier_init_handle, modifier_do_thread); +} + +/* **** Color Balance Modifier **** */ + +void colorBalance_init_data(SequenceModifierData *smd) +{ + ColorBalanceModifierData *cbmd = (ColorBalanceModifierData *) smd; + int c; + + cbmd->color_multiply = 1.0f; + + for (c = 0; c < 3; c++) { + cbmd->color_balance.lift[c] = 1.0f; + cbmd->color_balance.gamma[c] = 1.0f; + cbmd->color_balance.gain[c] = 1.0f; + } +} + +ImBuf *colorBalance_apply(SequenceModifierData *smd, ImBuf *ibuf, ImBuf *mask) +{ + ColorBalanceModifierData *cbmd = (ColorBalanceModifierData *) smd; + ImBuf *ibuf_new = IMB_dupImBuf(ibuf); + + BKE_sequencer_color_balance_apply(&cbmd->color_balance, ibuf_new, cbmd->color_multiply, FALSE, mask); + + return ibuf_new; +} + +static SequenceModifierTypeInfo seqModifier_ColorBalance = { + "Color Balance", /* name */ + "ColorBalanceModifierData", /* struct_name */ + sizeof(ColorBalanceModifierData), /* struct_size */ + colorBalance_init_data, /* init_data */ + NULL, /* free_data */ + NULL, /* copy_data */ + colorBalance_apply /* apply */ +}; + +/* **** Curves Modifier **** */ + +void curves_init_data(SequenceModifierData *smd) +{ + CurvesModifierData *cmd = (CurvesModifierData *) smd; + + curvemapping_set_defaults(&cmd->curve_mapping, 4, 0.0f, 0.0f, 1.0f, 1.0f); +} + +void curves_free_data(SequenceModifierData *smd) +{ + CurvesModifierData *cmd = (CurvesModifierData *) smd; + + curvemapping_free_data(&cmd->curve_mapping); +} + +void curves_copy_data(SequenceModifierData *target, SequenceModifierData *smd) +{ + CurvesModifierData *cmd = (CurvesModifierData *) smd; + CurvesModifierData *cmd_target = (CurvesModifierData *) target; + + curvemapping_copy_data(&cmd_target->curve_mapping, &cmd->curve_mapping); +} + +void curves_apply_threaded(int width, int height, unsigned char *rect, float *rect_float, + unsigned char *mask_rect, float *mask_rect_float, void *data_v) +{ + CurveMapping *curve_mapping = (CurveMapping *) data_v; + int x, y; + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + int pixel_index = (y * width + x) * 4; + + if (rect_float) { + float *pixel = rect_float + pixel_index; + float result[3]; + + curvemapping_evaluate_premulRGBF(curve_mapping, result, pixel); + + if (mask_rect_float) { + float *m = mask_rect_float + pixel_index; + + pixel[0] = pixel[0] * (1.0f - m[0]) + result[0] * m[0]; + pixel[1] = pixel[1] * (1.0f - m[1]) + result[1] * m[1]; + pixel[2] = pixel[2] * (1.0f - m[2]) + result[2] * m[2]; + } + else { + pixel[0] = result[0]; + pixel[1] = result[1]; + pixel[2] = result[2]; + } + } + if (rect) { + unsigned char *pixel = rect + pixel_index; + unsigned char result[3]; + + curvemapping_evaluate_premulRGB(curve_mapping, result, pixel); + + if (mask_rect) { + float t[3]; + + rgb_uchar_to_float(t, mask_rect + pixel_index); + + pixel[0] = pixel[0] * (1.0f - t[0]) + result[0] * t[0]; + pixel[1] = pixel[1] * (1.0f - t[1]) + result[1] * t[1]; + pixel[2] = pixel[2] * (1.0f - t[2]) + result[2] * t[2]; + } + else { + pixel[0] = result[0]; + pixel[1] = result[1]; + pixel[2] = result[2]; + } + } + } + } +} + +ImBuf *curves_apply(struct SequenceModifierData *smd, ImBuf *ibuf, ImBuf *mask) +{ + CurvesModifierData *cmd = (CurvesModifierData *) smd; + ImBuf *ibuf_new = IMB_dupImBuf(ibuf); + + float black[3] = {0.0f, 0.0f, 0.0f}; + float white[3] = {1.0f, 1.0f, 1.0f}; + + curvemapping_initialize(&cmd->curve_mapping); + + curvemapping_premultiply(&cmd->curve_mapping, 0); + curvemapping_set_black_white(&cmd->curve_mapping, black, white); + + modifier_apply_threaded(ibuf_new, mask, curves_apply_threaded, &cmd->curve_mapping); + + curvemapping_premultiply(&cmd->curve_mapping, 1); + + return ibuf_new; +} + +static SequenceModifierTypeInfo seqModifier_Curves = { + "Curves", /* name */ + "CurvesModifierData", /* struct_name */ + sizeof(CurvesModifierData), /* struct_size */ + curves_init_data, /* init_data */ + curves_free_data, /* free_data */ + curves_copy_data, /* copy_data */ + curves_apply /* apply */ +}; + +/* **** Hue Correct Modifier **** */ + +void hue_correct_init_data(SequenceModifierData *smd) +{ + HueCorrectModifierData *hcmd = (HueCorrectModifierData *) smd; + int c; + + curvemapping_set_defaults(&hcmd->curve_mapping, 1, 0.0f, 0.0f, 1.0f, 1.0f); + hcmd->curve_mapping.preset = CURVE_PRESET_MID9; + + for (c = 0; c < 3; c++) { + CurveMap *cuma = &hcmd->curve_mapping.cm[c]; + + curvemap_reset(cuma, &hcmd->curve_mapping.clipr, hcmd->curve_mapping.preset, CURVEMAP_SLOPE_POSITIVE); + } + + /* default to showing Saturation */ + hcmd->curve_mapping.cur = 1; +} + +void hue_correct_free_data(SequenceModifierData *smd) +{ + HueCorrectModifierData *hcmd = (HueCorrectModifierData *) smd; + + curvemapping_free_data(&hcmd->curve_mapping); +} + +void hue_correct_copy_data(SequenceModifierData *target, SequenceModifierData *smd) +{ + HueCorrectModifierData *hcmd = (HueCorrectModifierData *) smd; + HueCorrectModifierData *hcmd_target = (HueCorrectModifierData *) target; + + curvemapping_copy_data(&hcmd_target->curve_mapping, &hcmd->curve_mapping); +} + +void hue_correct_apply_threaded(int width, int height, unsigned char *rect, float *rect_float, + unsigned char *mask_rect, float *mask_rect_float, void *data_v) +{ + CurveMapping *curve_mapping = (CurveMapping *) data_v; + int x, y; + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + int pixel_index = (y * width + x) * 4; + float pixel[3], result[3], mask[3] = {1.0f, 1.0f, 1.0f}; + float hsv[3], f; + + if (rect_float) + copy_v3_v3(pixel, rect_float + pixel_index); + else + rgb_uchar_to_float(pixel, rect + pixel_index); + + rgb_to_hsv(pixel[0], pixel[1], pixel[2], hsv, hsv + 1, hsv + 2); + + /* adjust hue, scaling returned default 0.5 up to 1 */ + f = curvemapping_evaluateF(curve_mapping, 0, hsv[0]); + hsv[0] += f - 0.5f; + + /* adjust saturation, scaling returned default 0.5 up to 1 */ + f = curvemapping_evaluateF(curve_mapping, 1, hsv[0]); + hsv[1] *= (f * 2.0f); + + /* adjust value, scaling returned default 0.5 up to 1 */ + f = curvemapping_evaluateF(curve_mapping, 2, hsv[0]); + hsv[2] *= (f * 2.f); + + hsv[0] = hsv[0] - floorf(hsv[0]); /* mod 1.0 */ + CLAMP(hsv[1], 0.0f, 1.0f); + + /* convert back to rgb */ + hsv_to_rgb(hsv[0], hsv[1], hsv[2], result, result + 1, result + 2); + + if (mask_rect_float) + copy_v3_v3(mask, mask_rect_float + pixel_index); + else if (mask_rect) + rgb_uchar_to_float(mask, mask_rect + pixel_index); + + result[0] = pixel[0] * (1.0f - mask[0]) + result[0] * mask[0]; + result[1] = pixel[1] * (1.0f - mask[1]) + result[1] * mask[1]; + result[2] = pixel[2] * (1.0f - mask[2]) + result[2] * mask[2]; + + if (rect_float) + copy_v3_v3(rect_float + pixel_index, result); + else + rgb_float_to_uchar(rect + pixel_index, result); + } + } +} + +ImBuf *hue_correct_apply(struct SequenceModifierData *smd, ImBuf *ibuf, ImBuf *mask) +{ + HueCorrectModifierData *hcmd = (HueCorrectModifierData *) smd; + ImBuf *ibuf_new = IMB_dupImBuf(ibuf); + + curvemapping_initialize(&hcmd->curve_mapping); + + modifier_apply_threaded(ibuf_new, mask, hue_correct_apply_threaded, &hcmd->curve_mapping); + + return ibuf_new; +} + +static SequenceModifierTypeInfo seqModifier_HueCorrect = { + "Hue Correct", /* name */ + "HueCorrectModifierData", /* struct_name */ + sizeof(HueCorrectModifierData), /* struct_size */ + hue_correct_init_data, /* init_data */ + hue_correct_free_data, /* free_data */ + hue_correct_copy_data, /* copy_data */ + hue_correct_apply /* apply */ +}; + +/*********************** Modifier functions *************************/ + +static void sequence_modifier_type_info_init(void) +{ +#define INIT_TYPE(typeName) (modifiersTypes[seqModifierType_##typeName] = &seqModifier_##typeName) + + INIT_TYPE(ColorBalance); + INIT_TYPE(Curves); + INIT_TYPE(HueCorrect); + +#undef INIT_TYPE +} + +SequenceModifierTypeInfo *BKE_sequence_modifier_type_info_get(int type) +{ + if (!modifierTypesInit) { + sequence_modifier_type_info_init(); + modifierTypesInit = TRUE; + } + + return modifiersTypes[type]; +} + +void BKE_sequence_modifier_new(Sequence *seq, int type) +{ + SequenceModifierData *smd; + SequenceModifierTypeInfo *smti = BKE_sequence_modifier_type_info_get(type); + + smd = MEM_callocN(smti->struct_size, "sequence modifier"); + + smd->type = type; + smd->flag |= SEQUENCE_MODIFIER_EXPANDED; + + BLI_strncpy(smd->name, smti->name, sizeof(smd->name)); + + BLI_addtail(&seq->modifiers, smd); + + BKE_sequence_modifier_unique_name(seq, smd); + + if (smti->init_data) + smti->init_data(smd); +} + +void BKE_sequence_modifier_free(SequenceModifierData *smd) +{ + SequenceModifierTypeInfo *smti = BKE_sequence_modifier_type_info_get(smd->type); + + if (smti && smti->free_data) { + smti->free_data(smd); + } + + MEM_freeN(smd); +} + +void BKE_sequence_modifier_unique_name(Sequence *seq, SequenceModifierData *smd) +{ + SequenceModifierTypeInfo *smti = BKE_sequence_modifier_type_info_get(smd->type); + + BLI_uniquename(&seq->modifiers, smd, smti->name, '.', offsetof(SequenceModifierData, name), sizeof(smd->name)); +} + +SequenceModifierData *BKE_sequence_modifier_find_by_name(Sequence *seq, char *name) +{ + return BLI_findstring(&(seq->modifiers), name, offsetof(SequenceModifierData, name)); +} + +ImBuf *BKE_sequence_modifier_apply_stack(SeqRenderData context, Sequence *seq, ImBuf *ibuf, int cfra) +{ + SequenceModifierData *smd; + ImBuf *processed_ibuf = ibuf; + + for (smd = seq->modifiers.first; smd; smd = smd->next) { + SequenceModifierTypeInfo *smti = BKE_sequence_modifier_type_info_get(smd->type); + ImBuf *ibuf_new; + + /* could happen if modifier is being removed or not exists in current version of blender */ + if (!smti) + continue; + + /* modifier is muted, do nothing */ + if (smd->flag & SEQUENCE_MODIFIER_MUTE) + continue; + + if (smti->apply) { + ImBuf *mask = modifier_mask_get(smd, context, cfra, ibuf->rect_float != NULL); + + if (processed_ibuf == ibuf) + processed_ibuf = IMB_dupImBuf(ibuf); + + ibuf_new = smti->apply(smd, processed_ibuf, mask); + + if (ibuf_new != processed_ibuf) { + IMB_freeImBuf(processed_ibuf); + processed_ibuf = ibuf_new; + } + + if (mask) + IMB_freeImBuf(mask); + } + } + + return processed_ibuf; +} + +void BKE_sequence_modifier_list_copy(Sequence *seqn, Sequence *seq) +{ + SequenceModifierData *smd; + + for (smd = seq->modifiers.first; smd; smd = smd->next) { + SequenceModifierData *smdn; + SequenceModifierTypeInfo *smti = BKE_sequence_modifier_type_info_get(smd->type); + + smdn = MEM_dupallocN(smd); + + if (smti && smti->copy_data) + smti->copy_data(smdn, smd); + + smdn->next = smdn->prev = NULL; + BLI_addtail(&seqn->modifiers, smdn); + } +} + +int BKE_sequence_supports_modifiers(Sequence *seq) +{ + return !ELEM(seq->type, SEQ_TYPE_SOUND_RAM, SEQ_TYPE_SOUND_HD); +} |