configure: Drop weak dependencies on external libraries for webm muxer

[ffmpeg] / libavformat / mvdec.c

diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c
index f13359c815382fa8e7c39deb2030fdd382c93be0..52c5355e6a9fa39117dd96c9c5573eaa2c0e4948 100644 (file)
--- a/libavformat/mvdec.c
+++ b/libavformat/mvdec.c
@@ -403,7 +403,7 @@ static int mv_read_packet(AVFormatContext *avctx, AVPacket *pkt)
         if (index->pos > pos)
             avio_skip(pb, index->pos - pos);
         else if (index->pos < pos) {
-            if (!pb->seekable)
+            if (!(pb->seekable & AVIO_SEEKABLE_NORMAL))
                 return AVERROR(EIO);
             ret = avio_seek(pb, index->pos, SEEK_SET);
             if (ret < 0)
@@ -445,7 +445,7 @@ static int mv_read_seek(AVFormatContext *avctx, int stream_index,
     if ((flags & AVSEEK_FLAG_FRAME) || (flags & AVSEEK_FLAG_BYTE))
         return AVERROR(ENOSYS);
 
-    if (!avctx->pb->seekable)
+    if (!(avctx->pb->seekable & AVIO_SEEKABLE_NORMAL))
         return AVERROR(EIO);
 
     frame = av_index_search_timestamp(st, timestamp, flags);