From aaf2a6a69884d0f9abfa2f97d252e6d568e9c191 Mon Sep 17 00:00:00 2001
From: Pascal Massimino <pascal.massimino@gmail.com>
Date: Thu, 22 Sep 2016 05:47:27 +0000
Subject: [PATCH] systematically call WebPDemuxReleaseIterator() on
 dec->prev_iter_

Change-Id: I4a767134dcc52a7ee7c3bc5deb91012eaf7b6512
---
 src/demux/anim_decode.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/demux/anim_decode.c b/src/demux/anim_decode.c
index 849cfd85..f1cf176e 100644
--- a/src/demux/anim_decode.c
+++ b/src/demux/anim_decode.c
@@ -402,6 +402,7 @@ int WebPAnimDecoderGetNext(WebPAnimDecoder* dec,
 
   // Update info of the previous frame and dispose it for the next iteration.
   dec->prev_frame_timestamp_ = timestamp;
+  WebPDemuxReleaseIterator(&dec->prev_iter_);
   dec->prev_iter_ = iter;
   dec->prev_frame_was_keyframe_ = is_key_frame;
   CopyCanvas(dec->curr_frame_, dec->prev_frame_disposed_, width, height);
@@ -430,6 +431,7 @@ int WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec) {
 void WebPAnimDecoderReset(WebPAnimDecoder* dec) {
   if (dec != NULL) {
     dec->prev_frame_timestamp_ = 0;
+    WebPDemuxReleaseIterator(&dec->prev_iter_);
     memset(&dec->prev_iter_, 0, sizeof(dec->prev_iter_));
     dec->prev_frame_was_keyframe_ = 0;
     dec->next_frame_ = 1;
@@ -443,6 +445,7 @@ const WebPDemuxer* WebPAnimDecoderGetDemuxer(const WebPAnimDecoder* dec) {
 
 void WebPAnimDecoderDelete(WebPAnimDecoder* dec) {
   if (dec != NULL) {
+    WebPDemuxReleaseIterator(&dec->prev_iter_);
     WebPDemuxDelete(dec->demux_);
     WebPSafeFree(dec->curr_frame_);
     WebPSafeFree(dec->prev_frame_disposed_);