Differential D10807 Diff 35698 source/blender/sequencer/intern/strip_time.c

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source/blender/sequencer/intern/strip_time.c

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#include "SEQ_render.h"		#include "SEQ_render.h"
#include "SEQ_sequencer.h"		#include "SEQ_sequencer.h"
#include "SEQ_time.h"		#include "SEQ_time.h"

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

float seq_give_frame_index(Sequence *seq, float timeline_frame)		static float seq_time_playback_rate_factor_get(const Scene scene, const Sequence seq)
		{
		float scene_playback_rate = (float)scene->r.frs_sec / scene->r.frs_sec_base;
		if (seq->playback_rate != 0.0f) {
		return seq->playback_rate / scene_playback_rate;
		}
		else {
		return 1;
		}
		}

		float seq_give_frame_index(const Scene scene, Sequence seq, float timeline_frame)
{		{
float frame_index;		float frame_index;
int sta = seq->start;		int sta = seq->start;
int end = seq->start + seq->len - 1;		int end = seq->start + seq->len - 1;

if (seq->type & SEQ_TYPE_EFFECT) {		if (seq->type & SEQ_TYPE_EFFECT) {
end = seq->enddisp;		end = seq->enddisp;
}		}

if (end < sta) {		if (end < sta) {
return -1;		return -1;
}		}

if (seq->flag & SEQ_REVERSE_FRAMES) {		if (seq->flag & SEQ_REVERSE_FRAMES) {
/reverse frame in this sequence /
if (timeline_frame <= sta) {
frame_index = end - sta;
}
else if (timeline_frame >= end) {
frame_index = 0;
}
else {
frame_index = end - timeline_frame;		frame_index = end - timeline_frame;
}		}
}
else {
if (timeline_frame <= sta) {
frame_index = 0;
}
else if (timeline_frame >= end) {
frame_index = end - sta;
}
else {		else {
frame_index = timeline_frame - sta;		frame_index = timeline_frame - sta;
}		}
}
		frame_index *= seq_time_playback_rate_factor_get(scene, seq);
		/* Clamp frame index to strip frame range. */
		frame_index = clamp_i(frame_index, 0, end - sta);

if (seq->strobe < 1.0f) {		if (seq->strobe < 1.0f) {
seq->strobe = 1.0f;		seq->strobe = 1.0f;
}		}

if (seq->strobe > 1.0f) {		if (seq->strobe > 1.0f) {
frame_index -= fmodf((double)frame_index, (double)seq->strobe);		frame_index -= fmodf((double)frame_index, (double)seq->strobe);
}		}

return frame_index;		return frame_index;
}		}

		/* Length of strip content in frames. This is number of original frames adjusted by playback rate
		* factor */
		int SEQ_time_strip_length_get(const Scene scene, const Sequence seq)
		{
		return seq->len / seq_time_playback_rate_factor_get(scene, seq);
		}

static int metaseq_start(Sequence *metaseq)		static int metaseq_start(Sequence *metaseq)
{		{
return metaseq->start + metaseq->startofs;		return metaseq->start + metaseq->startofs;
}		}

static int metaseq_end(Sequence *metaseq)		static int metaseq_end(Sequence *metaseq)
{		{
return metaseq->start + metaseq->len - metaseq->endofs;		return metaseq->start + metaseq->len - metaseq->endofs;
▲ Show 20 Lines • Show All 46 Lines • ▼ Show 20 Lines	void SEQ_time_update_sequence_bounds(Scene scene, Sequence seq)
if (seq->startofs && seq->startstill) {		if (seq->startofs && seq->startstill) {
seq->startstill = 0;		seq->startstill = 0;
}		}
if (seq->endofs && seq->endstill) {		if (seq->endofs && seq->endstill) {
seq->endstill = 0;		seq->endstill = 0;
}		}

seq->startdisp = seq->start + seq->startofs - seq->startstill;		seq->startdisp = seq->start + seq->startofs - seq->startstill;
seq->enddisp = seq->start + seq->len - seq->endofs + seq->endstill;		seq->enddisp = seq->start + SEQ_time_strip_length_get(scene, seq) - seq->endofs + seq->endstill;

if (seq->type == SEQ_TYPE_META) {		if (seq->type == SEQ_TYPE_META) {
seq_update_sound_bounds_recursive(scene, seq);		seq_update_sound_bounds_recursive(scene, seq);
}		}
}		}

void SEQ_time_update_sequence(Scene scene, Sequence seq)		void SEQ_time_update_sequence(Scene scene, Sequence seq)
{		{
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