From: Andre Noll <maan@systemlinux.org>
Date: Sun, 8 Mar 2009 18:59:17 +0000 (+0100)
Subject: afh: Introduce afh_get_largest_chunk_size().
X-Git-Tag: v0.3.4~48
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=42d5f658d742dad5b8caa2c2ab7ca62768b0b105

afh: Introduce afh_get_largest_chunk_size().

This will be needed by the fec code in order to validate the
fec parameters.
---

diff --git a/afh.h b/afh.h
index 4e2020bb..35cc7ef1 100644
--- a/afh.h
+++ b/afh.h
@@ -102,6 +102,7 @@ int compute_afhi(const char *path, char *data, size_t size,
 const char *audio_format_name(int);
 void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi,
 		void *map, const char **buf, size_t *len);
+uint32_t afh_get_largest_chunk_size(struct afh_info *afhi);
 void afh_get_header(struct afh_info *afhi, void *map, const char **buf, size_t *len);
 char *make_taginfo(char *title, char *artist, char *album, char *year,
 		char *comment);
diff --git a/afh_common.c b/afh_common.c
index f7066cfc..aa7f3d92 100644
--- a/afh_common.c
+++ b/afh_common.c
@@ -233,6 +233,15 @@ void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi,
 	*len = afhi->chunk_table[chunk_num + 1] - pos;
 }
 
+uint32_t afh_get_largest_chunk_size(struct afh_info *afhi)
+{
+	uint32_t n, largest = 0, *ct = afhi->chunk_table;
+
+	for (n = 1; n <= afhi->chunks_total; n++)
+		largest = PARA_MAX(largest, ct[n] - ct[n - 1]);
+	return largest;
+}
+
 /**
  * Get the header of an audio file.
  *