basic type mechanism working

1 files changed, 2 insertions, 7 deletions

diff --git a/ffmpeg/libavformat/bink.c b/ffmpeg/libavformat/bink.c
index 887f70a..95b615a 100644
--- a/ffmpeg/libavformat/bink.c
+++ b/ffmpeg/libavformat/bink.c
@@ -116,11 +116,8 @@ static int read_header(AVFormatContext *s)
 
     vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
     vst->codec->codec_id   = AV_CODEC_ID_BINKVIDEO;
-    vst->codec->extradata  = av_mallocz(4 + FF_INPUT_BUFFER_PADDING_SIZE);
-    if (!vst->codec->extradata)
+    if (ff_get_extradata(vst->codec, pb, 4) < 0)
         return AVERROR(ENOMEM);
-    vst->codec->extradata_size = 4;
-    avio_read(pb, vst->codec->extradata, 4);
 
     bink->num_audio_tracks = avio_rl32(pb);
 
@@ -152,10 +149,8 @@ static int read_header(AVFormatContext *s)
                 ast->codec->channels       = 1;
                 ast->codec->channel_layout = AV_CH_LAYOUT_MONO;
             }
-            ast->codec->extradata = av_mallocz(4 + FF_INPUT_BUFFER_PADDING_SIZE);
-            if (!ast->codec->extradata)
+            if (ff_alloc_extradata(ast->codec, 4))
                 return AVERROR(ENOMEM);
-            ast->codec->extradata_size = 4;
             AV_WL32(ast->codec->extradata, vst->codec->codec_tag);
         }