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blender-archive/source/blender/sequencer/intern/strip_time.h
Richard Antalik ec2046c38d Fix T103531: Hold split not working correctly
Incorrect offset was calculated when strip was implicitly retimed (movie
FPS does not match scene FPS). This is because strip playback rate was
not used for offset calculation at all.

Since hold offset is specifying numbers of frames to skip, but at frame
rate of the source, this could result in gap when splitting the strip.
If that occurs, gap is compensated by moving handle to frame where strip
is split.
2023-01-09 18:04:59 +01:00

51 lines
1.8 KiB
C++

/* 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 ListBase;
struct Scene;
struct Sequence;
struct SeqCollection;
float seq_give_frame_index(const struct Scene *scene, struct Sequence *seq, float timeline_frame);
void seq_update_sound_bounds_recursive(const struct Scene *scene, struct Sequence *metaseq);
/* Describes gap between strips in timeline. */
typedef struct GapInfo {
int gap_start_frame; /* Start frame of the gap. */
int gap_length; /* Length of the gap. */
bool gap_exists; /* False if there are no gaps. */
} GapInfo;
/**
* Find first gap between strips after initial_frame and describe it by filling data of r_gap_info
*
* \param scene: Scene in which strips are located.
* \param seqbase: ListBase in which strips are located.
* \param initial_frame: frame on timeline from where gaps are searched for.
* \param r_gap_info: data structure describing gap, that will be filled in by this function.
*/
void seq_time_gap_info_get(const struct Scene *scene,
struct ListBase *seqbase,
int initial_frame,
struct GapInfo *r_gap_info);
void seq_time_effect_range_set(const struct Scene *scene, Sequence *seq);
void seq_time_update_effects_strip_range(const struct Scene *scene, struct SeqCollection *effects);
void seq_time_translate_handles(const struct Scene *scene, struct Sequence *seq, const int offset);
float seq_time_media_playback_rate_factor_get(const struct Scene *scene,
const struct Sequence *seq);
float seq_time_playback_rate_factor_get(const struct Scene *scene, const struct Sequence *seq);
#ifdef __cplusplus
}
#endif