[Bf-blender-cvs] [ad58310] master: Comment cleanup, use better lower bound for waveform

[Antony Riakiotakis]

Commit: ad583101617cbe9e6476b2870a69084240c309d3
Author: Antony Riakiotakis
Date:   Wed Oct 14 12:23:17 2015 +0300
Branches: master
https://developer.blender.org/rBad583101617cbe9e6476b2870a69084240c309d3

Comment cleanup, use better lower bound for waveform

===================================================================

M	source/blender/editors/space_sequencer/sequencer_draw.c

===================================================================

diff --git a/source/blender/editors/space_sequencer/sequencer_draw.c b/source/blender/editors/space_sequencer/sequencer_draw.c
index 642c55d..2ae7cdd 100644
--- a/source/blender/editors/space_sequencer/sequencer_draw.c
+++ b/source/blender/editors/space_sequencer/sequencer_draw.c
@@ -248,7 +248,7 @@ static void drawseqwave(const bContext *C, SpaceSeq *sseq, Scene *scene, Sequenc
 			value1 = waveform->data[pos * 3];
 			value2 = waveform->data[pos * 3 + 1];
 
-			if (samplestep >= 2.0f) {
+			if (samplestep > 1.0f) {
 				for (j = pos + 1; (j < waveform->length) && (j < pos + samplestep); j++) {
 					if (value1 > waveform->data[j * 3])
 						value1 = waveform->data[j * 3];
@@ -258,12 +258,12 @@ static void drawseqwave(const bContext *C, SpaceSeq *sseq, Scene *scene, Sequenc
 				}
 			}
 			else {
+				/* use simple linear interpolation */
 				float f = sampleoffset - pos;
 				value1 = (1.0f - f) * value1 + f * waveform->data[pos * 3 + 3];
 				value2 = (1.0f - f) * value2 + f * waveform->data[pos * 3 + 4];
 			}
 
-			/* max(value, -1) ensures that no sound gets drawn as a line */
 			glVertex2f(x1 + i * stepsize, ymid + value1 * yscale);
 			glVertex2f(x1 + i * stepsize, ymid + value2 * yscale);
 		}