avformat: use ff_alloc_extradata()

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 2 insertions, 8 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 6a7f58027c..50f7d8732e 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2950,12 +2950,9 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
         if(st->parser && st->parser->parser->split && !st->codec->extradata){
             int i= st->parser->parser->split(st->codec, pkt->data, pkt->size);
             if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
-                st->codec->extradata_size= i;
-                st->codec->extradata= av_malloc(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
-                if (!st->codec->extradata)
+                if (ff_alloc_extradata(st->codec, i))
                     return AVERROR(ENOMEM);
                 memcpy(st->codec->extradata, pkt->data, st->codec->extradata_size);
-                memset(st->codec->extradata + i, 0, FF_INPUT_BUFFER_PADDING_SIZE);
             }
         }
 
@@ -4271,10 +4268,7 @@ void ff_generate_avci_extradata(AVStream *st)
     if (!size)
         return;
     av_freep(&st->codec->extradata);
-    st->codec->extradata_size = 0;
-    st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
-    if (!st->codec->extradata)
+    if (ff_alloc_extradata(st->codec, size))
         return;
     memcpy(st->codec->extradata, data, size);
-    st->codec->extradata_size = size;
 }