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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2004 Blender Foundation. All rights reserved. */
#pragma once
/** \file
* \ingroup sequencer
*/
#ifdef __cplusplus
extern "C" {
#endif
#include "DNA_scene_types.h"
struct BlendDataReader;
struct BlendExpander;
struct BlendLibReader;
struct BlendWriter;
struct Depsgraph;
struct Editing;
struct Scene;
struct Sequence;
struct SequenceLookup;
struct SequencerToolSettings;
/* RNA enums, just to be more readable */
enum {
SEQ_SIDE_MOUSE = -1,
SEQ_SIDE_NONE = 0,
SEQ_SIDE_LEFT,
SEQ_SIDE_RIGHT,
SEQ_SIDE_BOTH,
SEQ_SIDE_NO_CHANGE,
};
/* seq_dupli' flags */
#define SEQ_DUPE_UNIQUE_NAME (1 << 0)
#define SEQ_DUPE_ALL (1 << 3) /* otherwise only selected are copied */
#define SEQ_DUPE_IS_RECURSIVE_CALL (1 << 4)
struct SequencerToolSettings *SEQ_tool_settings_init(void);
struct SequencerToolSettings *SEQ_tool_settings_ensure(struct Scene *scene);
void SEQ_tool_settings_free(struct SequencerToolSettings *tool_settings);
eSeqImageFitMethod SEQ_tool_settings_fit_method_get(struct Scene *scene);
void SEQ_tool_settings_fit_method_set(struct Scene *scene, eSeqImageFitMethod fit_method);
short SEQ_tool_settings_snap_flag_get(struct Scene *scene);
short SEQ_tool_settings_snap_mode_get(struct Scene *scene);
int SEQ_tool_settings_snap_distance_get(struct Scene *scene);
eSeqOverlapMode SEQ_tool_settings_overlap_mode_get(struct Scene *scene);
int SEQ_tool_settings_pivot_point_get(struct Scene *scene);
struct SequencerToolSettings *SEQ_tool_settings_copy(struct SequencerToolSettings *tool_settings);
struct Editing *SEQ_editing_get(const struct Scene *scene);
struct Editing *SEQ_editing_ensure(struct Scene *scene);
void SEQ_editing_free(struct Scene *scene, bool do_id_user);
/**
* Get seqbase that is being viewed currently. This can be main seqbase or meta strip seqbase
*
* \param ed: sequence editor data
* \return pointer to active seqbase. returns NULL if ed is NULL
*/
struct ListBase *SEQ_active_seqbase_get(const struct Editing *ed);
/**
* Set seqbase that is being viewed currently. This can be main seqbase or meta strip seqbase
*
* \param ed: sequence editor data
* \param seqbase: ListBase with strips
*/
void SEQ_seqbase_active_set(struct Editing *ed, struct ListBase *seqbase);
struct Sequence *SEQ_sequence_alloc(ListBase *lb, int timeline_frame, int machine, int type);
void SEQ_sequence_free(struct Scene *scene, struct Sequence *seq);
/**
* Create and initialize #MetaStack, append it to `ed->metastack` ListBase
*
* \param ed: sequence editor data
* \param seq_meta: meta strip
* \return pointer to created meta stack
*/
struct MetaStack *SEQ_meta_stack_alloc(struct Editing *ed, struct Sequence *seq_meta);
/**
* Get #MetaStack that corresponds to current level that is being viewed
*
* \param ed: sequence editor data
* \return pointer to meta stack
*/
struct MetaStack *SEQ_meta_stack_active_get(const struct Editing *ed);
/**
* Free #MetaStack and remove it from `ed->metastack` ListBase.
*
* \param ed: sequence editor data
* \param ms: meta stack
*/
void SEQ_meta_stack_free(struct Editing *ed, struct MetaStack *ms);
struct Sequence *SEQ_sequence_dupli_recursive(const struct Scene *scene_src,
struct Scene *scene_dst,
struct ListBase *new_seq_list,
struct Sequence *seq,
int dupe_flag);
void SEQ_sequence_base_dupli_recursive(const struct Scene *scene_src,
struct Scene *scene_dst,
struct ListBase *nseqbase,
const struct ListBase *seqbase,
int dupe_flag,
int flag);
bool SEQ_valid_strip_channel(struct Sequence *seq);
/**
* Read and Write functions for `.blend` file data.
*/
void SEQ_blend_write(struct BlendWriter *writer, struct ListBase *seqbase);
void SEQ_blend_read(struct BlendDataReader *reader, struct ListBase *seqbase);
void SEQ_blend_read_lib(struct BlendLibReader *reader,
struct Scene *scene,
struct ListBase *seqbase);
void SEQ_blend_read_expand(struct BlendExpander *expander, struct ListBase *seqbase);
/* Depsgraph update function. */
/**
* Evaluate parts of sequences which needs to be done as a part of a dependency graph evaluation.
* This does NOT include actual rendering of the strips, but rather makes them up-to-date for
* animation playback and makes them ready for the sequencer's rendering pipeline to render them.
*/
void SEQ_eval_sequences(struct Depsgraph *depsgraph,
struct Scene *scene,
struct ListBase *seqbase);
/* Defined in sequence_lookup.c */
typedef enum eSequenceLookupTag {
SEQ_LOOKUP_TAG_INVALID = (1 << 0),
} eSequenceLookupTag;
/**
* Find a sequence with a given name.
* If lookup hash doesn't exist, it will be created. If hash is tagged as invalid, it will be
* rebuilt.
*
* \param scene: scene that owns lookup hash
* \param key: Sequence name without SQ prefix (seq->name + 2)
*
* \return pointer to Sequence
*/
struct Sequence *SEQ_sequence_lookup_by_name(const struct Scene *scene, const char *key);
/**
* Free lookup hash data.
*
* \param scene: scene that owns lookup hash
*/
void SEQ_sequence_lookup_free(const struct Scene *scene);
/**
* Find a sequence with a given name.
*
* \param scene: scene that owns lookup hash
* \param tag: tag to set
*/
void SEQ_sequence_lookup_tag(const struct Scene *scene, eSequenceLookupTag tag);
#ifdef __cplusplus
}
#endif
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