+static int64_t mmsh_read_seek(URLContext *h, int stream_index,
+ int64_t timestamp, int flags)
+{
+ MMSHContext *mmsh = h->priv_data;
+ MMSContext *mms = &mmsh->mms;
+ int ret;
+
+ ret= mmsh_open_internal(h, mmsh->location, 0, FFMAX(timestamp, 0), 0);
+
+ if(ret>=0){
+ if (mms->mms_hd)
+ ffurl_close(mms->mms_hd);
+ av_freep(&mms->streams);
+ av_freep(&mms->asf_header);
+ av_free(mmsh);
+ mmsh = h->priv_data;
+ mms = &mmsh->mms;
+ mms->asf_header_read_size= mms->asf_header_size;
+ }else
+ h->priv_data= mmsh;
+ return ret;
+}
+
+static int64_t mmsh_seek(URLContext *h, int64_t pos, int whence)
+{
+ MMSHContext *mmsh = h->priv_data;
+ MMSContext *mms = &mmsh->mms;
+
+ if(pos == 0 && whence == SEEK_CUR)
+ return mms->asf_header_read_size + mms->remaining_in_len + mmsh->chunk_seq * mms->asf_packet_len;
+ return AVERROR(ENOSYS);
+}
+