X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=mp3dec_filter.c;h=35448da7e22f67c84e2fb08d8f1ba6b15de2d49f;hp=a025eed55465bf8766a838eec11d553b1617d81b;hb=f2dc2702b87b18aeaf27aeefbdb952aa48c43235;hpb=59df964251d4e6b71b4ce6d02fdbb6e11643acab

diff --git a/mp3dec_filter.c b/mp3dec_filter.c
index a025eed5..35448da7 100644
--- a/mp3dec_filter.c
+++ b/mp3dec_filter.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2010 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -140,6 +140,12 @@ next_buffer:
 		return;
 	btr_merge(btrn, fn->min_iqs);
 	len = btr_next_buffer(btrn, &inbuffer);
+	/*
+	 * Decode at most 8K in one go to give the post_select() functions of
+	 * other buffer tree nodes a chance to run. This is necessary to avoid
+	 * buffer underruns on slow machines.
+	 */
+	len = PARA_MIN(len, (size_t)8192);
 	mad_stream_buffer(&pmd->stream, (unsigned char *)inbuffer, len);
 next_frame:
 	ret = mad_header_decode(&pmd->frame.header, &pmd->stream);