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workinf_Blender_Wasm/blender-5.2.0/source/blender/sequencer/SEQ_sequencer.hh
2026-08-12 04:47:48 -04:00

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C++

/* SPDX-FileCopyrightText: 2004-2024 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup sequencer
*/
#include "BKE_sound_types.hh"
#include "BLI_enum_flags.hh"
#include "BLI_map.hh"
#include "BLI_vector.hh"
#include "BLI_vector_set.hh"
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "DNA_session_uid_types.h"
namespace blender {
struct BlendDataReader;
struct BlendWriter;
struct Depsgraph;
struct Editing;
struct Main;
struct MetaStack;
struct MovieReader;
struct Scene;
struct SeqTimelineChannel;
struct Strip;
struct SequencerToolSettings;
namespace seq {
class CompositorCache;
struct FinalImageCache;
struct IntraFrameCache;
struct MediaPresence;
struct PrefetchJob;
struct PreviewCache;
struct SourceImageCache;
struct StripLookup;
struct ThumbnailCache;
constexpr int MAX_CHANNELS = 128;
/* RNA enums, just to be more readable */
enum {
SIDE_MOUSE = -1,
SIDE_NONE = 0,
SIDE_LEFT,
SIDE_RIGHT,
SIDE_BOTH,
SIDE_NO_CHANGE,
};
/* strip_duplicate' flags */
enum class StripDuplicate : uint8_t {
/* Note: Technically, the selected strips are duplicated when `All` is not set. */
Selected = 0,
/* Ensure strips have a unique name. */
UniqueName = (1 << 0),
/* Duplicate strips and the IDs they reference. */
Data = (1 << 1),
/* If this is set, duplicate all strips. If not set, duplicate selected strips. */
All = (1 << 3),
};
ENUM_OPERATORS(StripDuplicate);
enum class StripRuntimeFlag {
None = 0,
ClampedLH = (1 << 0),
ClampedRH = (1 << 1),
Overlap = (1 << 2),
MarkForDelete = (1 << 4),
IgnoreChannelLock = (1 << 5), /* For #SEQUENCER_OT_duplicate_move macro. */
ShowOffsets = (1 << 6), /* Set during #SEQUENCER_OT_slip. */
};
ENUM_OPERATORS(StripRuntimeFlag);
struct StripRuntime {
~StripRuntime();
SessionUID session_uid = {};
StripRuntimeFlag flag = StripRuntimeFlag::None;
AUD_SequenceEntry scene_sound;
AUD_Sound sound_time_stretch;
float sound_time_stretch_fps = 0.0f;
Vector<MovieReader *, 1> movie_readers;
/* To detect the removal of a sound modifier. */
int sound_modifiers_count = 0;
[[nodiscard]] MovieReader *movie_reader_get(int64_t index = 0) const
{
if (index < 0 || index >= movie_readers.size()) {
return nullptr;
}
return movie_readers[index];
}
void clear_sound_time_stretch();
void remove_scene_sound(Scene *scene);
};
struct EditingRuntime {
~EditingRuntime();
StripLookup *strip_lookup = nullptr;
MediaPresence *media_presence = nullptr;
ThumbnailCache *thumbnail_cache = nullptr;
IntraFrameCache *intra_frame_cache = nullptr;
SourceImageCache *source_image_cache = nullptr;
FinalImageCache *final_image_cache = nullptr;
PreviewCache *preview_cache = nullptr;
PrefetchJob *prefetch_job = nullptr;
CompositorCache *compositor_cache = nullptr;
/** Used for rendering a different frame using sequencer_draw_get_transform_preview from the box
* blade tool. */
int transform_preview_frame = 0;
bool show_transform_preview = false;
CompositorCache &ensure_compositor_cache();
};
SequencerToolSettings *tool_settings_init();
SequencerToolSettings *tool_settings_ensure(Scene *scene);
void tool_settings_free(SequencerToolSettings *tool_settings);
eSeqImageFitMethod tool_settings_fit_method_get(Scene *scene);
void tool_settings_fit_method_set(Scene *scene, eSeqImageFitMethod fit_method);
short tool_settings_snap_flag_get(Scene *scene);
short tool_settings_snap_mode_get(Scene *scene);
int tool_settings_snap_distance_get(Scene *scene);
eSeqOverlapMode tool_settings_overlap_mode_get(Scene *scene);
int tool_settings_pivot_point_get(Scene *scene);
SequencerToolSettings *tool_settings_copy(SequencerToolSettings *tool_settings);
Editing *editing_get(const Scene *scene);
Editing *editing_ensure(Scene *scene);
void editing_free(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
*/
ListBaseT<Strip> *active_seqbase_get(const Editing *ed);
Strip *strip_alloc(ListBaseT<Strip> *lb, int timeline_frame, int channel, StripType type);
void strip_free(Scene *scene, Strip *strip);
/**
* Get #MetaStack that corresponds to current level that is being viewed
*
* \return pointer to meta stack
*/
MetaStack *meta_stack_active_get(const Editing *ed);
/**
* Open Meta strip content for editing.
*
* \param scene: Scene containing the sequence editor data.
* \param dst: meta strip or NULL for top level view
*/
void meta_stack_set(const Scene *scene, Strip *dst);
/**
* Close last Meta strip open for editing.
*
* \param ed: sequence editor data
*/
Strip *meta_stack_pop(Editing *ed);
Strip *strip_duplicate_recursive(Main *bmain,
const Scene *scene_src,
Scene *scene_dst,
ListBaseT<Strip> *seqbase_dst,
Strip *strip,
StripDuplicate dupe_flag);
void seqbase_duplicate_recursive(Main *bmain,
const Scene *scene_src,
Scene *scene_dst,
ListBaseT<Strip> *seqbase_dst,
const ListBaseT<Strip> *seqbase_src,
StripDuplicate dupe_flag,
int copy_flag);
bool is_valid_strip_channel(const Strip *strip);
/**
* Read and Write functions for `.blend` file data.
*/
void blend_write(BlendWriter *writer, ListBaseT<Strip> *seqbase);
void blend_read(BlendDataReader *reader, ListBaseT<Strip> *seqbase);
void doversion_250_sound_proxy_update(Main *bmain, Editing *ed);
/* Depsgraph update function. */
/**
* Evaluate parts of strips 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 eval_strips(Depsgraph *depsgraph, Scene *scene, ListBaseT<Strip> *seqbase);
/**
* Find a strip 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 ed: Editing that owns lookup hash
* \param key: Strip name without SQ prefix (strip->name + 2)
*
* \return pointer to Strip
*/
Strip *lookup_strip_by_name(Editing *ed, const char *key);
/**
* Find a strips using provided scene as input
*
* \param ed: Editing that owns lookup hash
* \param key: Input Scene pointer
*
* \return Span of strips
*/
Span<Strip *> lookup_strips_by_scene(Editing *ed, const Scene *key);
/**
* Returns Map of scenes to scene strips
*
* \param ed: Editing that owns lookup hash
*/
Map<const Scene *, VectorSet<Strip *>> &lookup_strips_by_scene_map_get(Editing *ed);
/**
* Find all strips using provided compositor node tree
*
* \param ed: Editing that owns lookup hash
* \param key: Node tree pointer
*
* \return Span of strips
*/
Span<Strip *> lookup_strips_by_compositor_node_group(Editing *ed, const bNodeTree *key);
/**
* Find which meta strip the given timeline channel belongs to. Returns nullptr if it is a global
* channel.
*/
Strip *lookup_strip_by_channel_owner(Editing *ed, const SeqTimelineChannel *channel);
/**
* Find meta strip, that contains strip `key`.
* If lookup hash doesn't exist, it will be created. If hash is tagged as invalid, it will be
* rebuilt.
*
* \param key: pointer to Strip inside of meta strip
*
* \return pointer to meta strip
*/
Strip *lookup_meta_by_strip(Editing *ed, const Strip *key);
/**
* Free lookup hash data.
*/
void strip_lookup_free(Editing *ed);
/**
* Mark strip lookup as invalid (i.e. will need rebuilding).
*/
void strip_lookup_invalidate(const Editing *ed);
} // namespace seq
} // namespace blender