[FFmpeg-devel] [PATCH 6/7] avformat/dashenc: add missing padding to the updated extradata

James Almer jamrial at gmail.com
Tue Jul 30 23:19:49 EEST 2019


Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavformat/dashenc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index bded260806..50eba370d9 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -1476,12 +1476,13 @@ static int update_stream_extradata(AVFormatContext *s, OutputStream *os,
     if (!extradata_size)
         return 0;
 
-    new_extradata = av_malloc(extradata_size);
+    new_extradata = av_malloc(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
 
     if (!new_extradata)
         return AVERROR(ENOMEM);
 
     memcpy(new_extradata, extradata, extradata_size);
+    memset(new_extradata + extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     os->ctx->streams[0]->codecpar->extradata = new_extradata;
     os->ctx->streams[0]->codecpar->extradata_size = extradata_size;
-- 
2.22.0



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