Differential D14976 Diff 51583 source/blender/sequencer/intern/render.c

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source/blender/sequencer/intern/render.c

Show First 20 Lines • Show All 2,082 Lines • ▼ Show 20 Lines	void SEQ_render_thumbnails(const SeqRenderData *context,
rctf *view_area,		rctf *view_area,
const short *stop)		const short *stop)
{		{
SeqRenderState state;		SeqRenderState state;
seq_render_state_init(&state);		seq_render_state_init(&state);

/* Adding the hold offset value (seq->anim_startofs) to the start frame. Position of image not		/* Adding the hold offset value (seq->anim_startofs) to the start frame. Position of image not
* affected, but frame loaded affected. */		* affected, but frame loaded affected. */
float upper_thumb_bound = (seq->endstill) ? (seq->start + seq->len) : seq->enddisp;		float upper_thumb_bound = SEQ_time_has_right_still_frames(seq) ? (seq->start + seq->len) :
		seq->enddisp;
upper_thumb_bound = (upper_thumb_bound > view_area->xmax) ? view_area->xmax + frame_step :		upper_thumb_bound = (upper_thumb_bound > view_area->xmax) ? view_area->xmax + frame_step :
upper_thumb_bound;		upper_thumb_bound;

float timeline_frame = SEQ_render_thumbnail_first_frame_get(seq, frame_step, view_area);		float timeline_frame = SEQ_render_thumbnail_first_frame_get(seq, frame_step, view_area);
while ((timeline_frame < upper_thumb_bound) & !*stop) {		while ((timeline_frame < upper_thumb_bound) & !*stop) {
ImBuf *ibuf = seq_cache_get(		ImBuf *ibuf = seq_cache_get(
context, seq_orig, round_fl_to_int(timeline_frame), SEQ_CACHE_STORE_THUMBNAIL);		context, seq_orig, round_fl_to_int(timeline_frame), SEQ_CACHE_STORE_THUMBNAIL);
if (ibuf) {		if (ibuf) {
Show All 16 Lines	while ((timeline_frame < upper_thumb_bound) & !*stop) {
}		}

timeline_frame = SEQ_render_thumbnail_next_frame_get(seq, timeline_frame, frame_step);		timeline_frame = SEQ_render_thumbnail_next_frame_get(seq, timeline_frame, frame_step);
}		}
}		}

int SEQ_render_thumbnails_guaranteed_set_frame_step_get(const Sequence *seq)		int SEQ_render_thumbnails_guaranteed_set_frame_step_get(const Sequence *seq)
{		{
const int content_len = (seq->enddisp - seq->startdisp - seq->startstill - seq->endstill);		const int content_start = max_ii(seq->startdisp, seq->start);
		const int content_end = min_ii(seq->enddisp, seq->start + seq->len);
		const int content_len = content_end - content_start;

/* Arbitrary, but due to performance reasons should be as low as possible. */		/* Arbitrary, but due to performance reasons should be as low as possible. */
const int thumbnails_base_set_count = min_ii(content_len / 100, 30);		const int thumbnails_base_set_count = min_ii(content_len / 100, 30);
if (thumbnails_base_set_count <= 0) {		if (thumbnails_base_set_count <= 0) {
return content_len;		return content_len;
}		}
return content_len / thumbnails_base_set_count;		return content_len / thumbnails_base_set_count;
}		}
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