Differential D10209 Diff 33624 source/blender/sequencer/intern/strip_edit.c

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source/blender/sequencer/intern/strip_edit.c

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#include "BKE_scene.h"		#include "BKE_scene.h"
#include "BKE_sound.h"		#include "BKE_sound.h"

#include "strip_time.h"		#include "strip_time.h"

#include "SEQ_add.h"		#include "SEQ_add.h"
#include "SEQ_edit.h"		#include "SEQ_edit.h"
#include "SEQ_effects.h"		#include "SEQ_effects.h"
		#include "SEQ_iterator.h"
#include "SEQ_sequencer.h"		#include "SEQ_sequencer.h"
#include "SEQ_time.h"		#include "SEQ_time.h"
#include "SEQ_transform.h"		#include "SEQ_transform.h"

int SEQ_edit_sequence_swap(Sequence seq_a, Sequence seq_b, const char **error_str)		int SEQ_edit_sequence_swap(Sequence seq_a, Sequence seq_b, const char **error_str)
{		{
char name[sizeof(seq_a->name)];		char name[sizeof(seq_a->name)];

▲ Show 20 Lines • Show All 143 Lines • ▼ Show 20 Lines	if (seq->flag & SEQ_FLAG_DELETE) {
SEQ_edit_remove_flagged_sequences(scene, &seq->seqbase);		SEQ_edit_remove_flagged_sequences(scene, &seq->seqbase);
}		}
BLI_remlink(seqbase, seq);		BLI_remlink(seqbase, seq);
SEQ_sequence_free(scene, seq, true);		SEQ_sequence_free(scene, seq, true);
}		}
}		}
}		}

		static void seq_edit_clear_chain_tag(ListBase *seqbase)
		{
		LISTBASE_FOREACH (Sequence *, seq, seqbase) {
		seq->flag &= ~SEQ_FLAG_CHAIN_TAG;
		}
		}

		static int seq_edit_tag_chain(Sequence seq, ListBase seqbase)
		{
		if ((seq->flag & SEQ_FLAG_CHAIN_TAG) != 0) {
		return 0;
		}

		seq->flag \|= SEQ_FLAG_CHAIN_TAG;
		int tagged_strips_count = 1;

		/* Tag used strips. */
		if (seq->type & SEQ_TYPE_EFFECT) {
		if (seq->seq1) {
		tagged_strips_count += seq_edit_tag_chain(seq->seq1, seqbase);
		}
		if (seq->seq2) {
		tagged_strips_count += seq_edit_tag_chain(seq->seq2, seqbase);
		}
		if (seq->seq3) {
		tagged_strips_count += seq_edit_tag_chain(seq->seq3, seqbase);
		}
		}

		/* Tag strips that use seq. */
		LISTBASE_FOREACH (Sequence *, seq_test, seqbase) {
		if (seq_test->seq1 == seq \|\| seq_test->seq2 == seq \|\| seq_test->seq3 == seq) {
		tagged_strips_count += seq_edit_tag_chain(seq_test, seqbase);
		}
		}
		return tagged_strips_count;
		}

		static void seq_edit_move_chain_to_list_base(ListBase seqbase_dst, ListBase seqbase_src)
		{
		LISTBASE_FOREACH_MUTABLE (Sequence *, seq, seqbase_src) {
		if ((seq->flag & SEQ_FLAG_CHAIN_TAG) != 0) {
		BLI_remlink(seqbase_src, seq);
		BLI_addtail(seqbase_dst, seq);
		}
		}
		}

static void seq_split_set_left_hold_offset(Sequence *seq, int timeline_frame)		static void seq_split_set_left_hold_offset(Sequence *seq, int timeline_frame)
{		{
/* Adjust within range of extended stillframes before strip. */		/* Adjust within range of extended stillframes before strip. */
if (timeline_frame < seq->start) {		if (timeline_frame < seq->start) {
seq->start = timeline_frame - 1;		seq->start = timeline_frame - 1;
seq->anim_endofs += seq->len - 1;		seq->anim_endofs += seq->len - 1;
seq->startstill = timeline_frame - seq->startdisp - 1;		seq->startstill = timeline_frame - seq->startdisp - 1;
seq->endstill = 0;		seq->endstill = 0;
▲ Show 20 Lines • Show All 57 Lines • ▼ Show 20 Lines	static void seq_split_set_left_offset(Sequence *seq, int timeline_frame)
/* Adjust within range of extended stillframes after strip. */		/* Adjust within range of extended stillframes after strip. */
if ((seq->start + seq->len) < timeline_frame) {		if ((seq->start + seq->len) < timeline_frame) {
seq->start = timeline_frame - seq->len + 1;		seq->start = timeline_frame - seq->len + 1;
seq->endstill = seq->enddisp - timeline_frame - 1;		seq->endstill = seq->enddisp - timeline_frame - 1;
}		}
SEQ_transform_set_left_handle_frame(seq, timeline_frame);		SEQ_transform_set_left_handle_frame(seq, timeline_frame);
}		}

		static void seq_edit_split_handle_strip_offsets(Main *bmain,
		Scene *scene,
		Sequence *left_seq,
		Sequence *right_seq,
		const int timeline_frame,
		const eSeqSplitMethod method)
		{
		switch (method) {
		case SEQ_SPLIT_SOFT:
		seq_split_set_left_offset(right_seq, timeline_frame);
		seq_split_set_right_offset(left_seq, timeline_frame);
		break;
		case SEQ_SPLIT_HARD:
		seq_split_set_right_hold_offset(left_seq, timeline_frame);
		seq_split_set_left_hold_offset(right_seq, timeline_frame);
		SEQ_add_reload_new_file(bmain, scene, left_seq, false);
		SEQ_add_reload_new_file(bmain, scene, right_seq, false);
		break;
		}
		SEQ_time_update_sequence(scene, left_seq);
		SEQ_time_update_sequence(scene, right_seq);
		}

		/* Split multiple strip at once while maintaining relations between them. */
		static Sequence seq_edit_split_chain(Main bmain,
		Scene *scene,
		ListBase *seqbase,
		Sequence *seq,
		const int timeline_frame,
		const eSeqSplitMethod method)
		{
		ListBase left_strips = {NULL, NULL};
		ListBase right_strips = {NULL, NULL};
		seq_edit_move_chain_to_list_base(&left_strips, seqbase);
		SEQ_sequence_base_dupli_recursive(
		scene, scene, &right_strips, &left_strips, SEQ_DUPE_ANIM \| SEQ_DUPE_ALL, 0);
		Sequence *left_seq = left_strips.first;
		Sequence *right_seq = right_strips.first;
		Sequence *return_seq = right_strips.first;
		while (left_seq && right_seq) {
		seq_edit_split_handle_strip_offsets(bmain, scene, left_seq, right_seq, timeline_frame, method);
		left_seq = left_seq->next;
		right_seq = right_seq->next;
		}
		/* Move right strips first, so left strips don't change name. */
		BLI_movelisttolist(seqbase, &right_strips);
		BLI_movelisttolist(seqbase, &left_strips);
		LISTBASE_FOREACH (Sequence *, seq, seqbase) {
		SEQ_iterator_recursive_apply(seq, SEQ_iterator_apply_unique_name_fn, scene);
		}
		seq_edit_clear_chain_tag(seqbase);
		return return_seq;
		}

/**		/**
* Split Sequence at timeline_frame in two.		* Split Sequence at timeline_frame in two.
*		*
* \param bmain: Main in which Sequence is located		* \param bmain: Main in which Sequence is located
* \param scene: Scene in which Sequence is located		* \param scene: Scene in which Sequence is located
* \param seqbase: ListBase in which Sequence is located		* \param seqbase: ListBase in which Sequence is located
* \param seq: Sequence to be split		* \param seq: Sequence to be split
* \param timeline_frame: frame at which seq is split.		* \param timeline_frame: frame at which seq is split.
* \param method: affects type of offset to be applied to resize Sequence		* \param method: affects type of offset to be applied to resize Sequence
* \return The newly created sequence strip. This is always Sequence on right side.		* \return The newly created sequence strip. This is always Sequence on right side.
*/		*/
Sequence SEQ_edit_strip_split(Main bmain,		Sequence SEQ_edit_strip_split(Main bmain,
Scene *scene,		Scene *scene,
ListBase *seqbase,		ListBase *seqbase,
Sequence *seq,		Sequence *seq,
const int timeline_frame,		const int timeline_frame,
const eSeqSplitMethod method)		const eSeqSplitMethod method)
{		{
if (timeline_frame <= seq->startdisp \|\| timeline_frame >= seq->enddisp) {		if (timeline_frame <= seq->startdisp \|\| timeline_frame >= seq->enddisp) {
return NULL;		return NULL;
}		}

		Sequence *left_seq;
		Sequence *right_seq;

		const int chain_strip_count = seq_edit_tag_chain(seq, seqbase);
		if (chain_strip_count > 1) {
		if (method == SEQ_SPLIT_HARD) {
		LISTBASE_FOREACH (Sequence *, cur_seq, seqbase) {
		if (cur_seq->flag & SEQ_FLAG_CHAIN_TAG) {
		/* Precaution, needed because the length saved on-disk may not match the length saved in
		* the blend file, or our code may have minor differences reading file length between
		* versions. This causes hard-split to fail, see: T47862. */
		SEQ_add_reload_new_file(bmain, scene, cur_seq, true);
		SEQ_time_update_sequence(scene, cur_seq);
		}
		}
		}

		right_seq = seq_edit_split_chain(bmain, scene, seqbase, seq, timeline_frame, method);
		}
		else {
if (method == SEQ_SPLIT_HARD) {		if (method == SEQ_SPLIT_HARD) {
/* Precaution, needed because the length saved on-disk may not match the length saved in the		/* Precaution, needed because the length saved on-disk may not match the length saved in the
* blend file, or our code may have minor differences reading file length between versions.		* blend file, or our code may have minor differences reading file length between versions.
* This causes hard-split to fail, see: T47862. */		* This causes hard-split to fail, see: T47862. */
SEQ_add_reload_new_file(bmain, scene, seq, true);		SEQ_add_reload_new_file(bmain, scene, seq, true);
SEQ_time_update_sequence(scene, seq);		SEQ_time_update_sequence(scene, seq);
}		}

Sequence *left_seq = seq;		left_seq = seq;
Sequence *right_seq = SEQ_sequence_dupli_recursive(		right_seq = SEQ_sequence_dupli_recursive(
scene, scene, seqbase, seq, SEQ_DUPE_UNIQUE_NAME \| SEQ_DUPE_ANIM);		scene, scene, seqbase, seq, SEQ_DUPE_UNIQUE_NAME \| SEQ_DUPE_ANIM);
		seq_edit_split_handle_strip_offsets(bmain, scene, left_seq, right_seq, timeline_frame, method);
		sergeyUnsubmitted Done Inline Actions Declaration of `seq` here shadows a parameter. sergey: Declaration of `seq` here shadows a parameter.
switch (method) {
case SEQ_SPLIT_SOFT:
seq_split_set_left_offset(right_seq, timeline_frame);
seq_split_set_right_offset(left_seq, timeline_frame);
break;
case SEQ_SPLIT_HARD:
seq_split_set_right_hold_offset(left_seq, timeline_frame);
seq_split_set_left_hold_offset(right_seq, timeline_frame);
SEQ_add_reload_new_file(bmain, scene, left_seq, false);
SEQ_add_reload_new_file(bmain, scene, right_seq, false);
break;
}		}
SEQ_time_update_sequence(scene, left_seq);
SEQ_time_update_sequence(scene, right_seq);		seq_edit_clear_chain_tag(seqbase);
return right_seq;		return right_seq;
}		}

/**		/**
* Find gap after initial_frame and move strips on right side to close the gap		* Find gap after initial_frame and move strips on right side to close the gap
*		*
* \param scene: Scene in which strips are located		* \param scene: Scene in which strips are located
* \param seqbase: ListBase in which strips are located		* \param seqbase: ListBase in which strips are located
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