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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
struct Scene;
struct Sequence;
struct StripProxy;
struct SeqCollection;
/**
* Cache must be freed before calling this function
* since it leaves the seqbase in an invalid state.
*/
void seq_free_sequence_recurse(struct Scene *scene, struct Sequence *seq, bool do_id_user);
struct StripProxy *seq_strip_proxy_alloc(void);
/**
* 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 scene: scene that owns lookup hash
* \param key: pointer to Sequence inside of meta strip
*
* \return pointer to meta strip
*/
struct Sequence *seq_sequence_lookup_meta_by_seq(const struct Scene *scene,
const struct Sequence *key);
/**
* Find effect strips, that use strip `seq` as one of inputs.
* 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: pointer to Sequence inside of meta strip
*
* \return collection of effect strips
*/
struct SeqCollection *seq_sequence_lookup_effects_by_seq(const struct Scene *scene,
const struct Sequence *key);
#ifdef __cplusplus
}
#endif
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