From aeea23c3155a91d58b840ab258450b920f41d32a Mon Sep 17 00:00:00 2001
From: trav90 <travawine@protonmail.ch>
Date: Thu, 26 Apr 2018 16:51:50 -0500
Subject: [PATCH] [FFmpeg] Work around a bug with corrupted data

According to FFmpeg documentation, the out parameter is "set to size of parsed buffer or zero if not yet finished." however this is only the case if no error occurred; otherwise it is left untouched. We want the invalid content to generate a decoding error, so we set size to inputSize to ensure decoding failed later.
---
 dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp b/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
index 5c1b6c97b1..aec1e91360 100644
--- a/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
+++ b/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
@@ -181,8 +181,8 @@ FFmpegVideoDecoder<LIBAV_VER>::DoDecode(MediaRawData* aSample, bool* aGotFrame)
 #endif
       )) {
     while (inputSize) {
-      uint8_t* data;
-      int size;
+      uint8_t* data = inputData;
+      int size = inputSize;
       int len = mLib->av_parser_parse2(mCodecParser, mCodecContext, &data, &size,
                                        inputData, inputSize,
                                        aSample->mTime, aSample->mTimecode,