bitstream: Improve documentation.
[paraslash.git] / wma_afh.c
index 7ac1ba6..65795fd 100644 (file)
--- a/wma_afh.c
+++ b/wma_afh.c
@@ -132,7 +132,7 @@ static const char album_tag_header[] = { /* WM/AlbumTitle */
 static void read_asf_tags(const char *buf, int buf_size, struct taginfo *ti)
 {
        const char *p, *end = buf + buf_size, *q;
-       uint16_t len1, len2, len3, len4, len5;
+       uint16_t len1, len2, len3, len4;
 
        p = search_pattern(comment_header, sizeof(comment_header),
                buf, buf_size);
@@ -149,7 +149,7 @@ static void read_asf_tags(const char *buf, int buf_size, struct taginfo *ti)
        p += 2;
        len4 = read_u16(p);
        p += 2;
-       len5 = read_u16(p);
+       /* ignore length of the rating information */
        p += 2;
        if (p + len1 >= end)
                goto next;
@@ -158,10 +158,10 @@ static void read_asf_tags(const char *buf, int buf_size, struct taginfo *ti)
        if (p + len2 >= end)
                goto next;
        ti->artist = get_str16(p, len2);
-       p += len2 + len3 + len4;
-       if (p + len5 >= end)
+       p += len2 + len3;
+       if (p + len4 >= end)
                goto next;
-       ti->comment = get_str16(p, len5);
+       ti->comment = get_str16(p, len4);
 next:
        p = search_pattern(extended_content_header, sizeof(extended_content_header),
                buf, buf_size);
@@ -257,6 +257,15 @@ static int wma_get_file_info(char *map, size_t numbytes, __a_unused int fd,
        afhi->frequency = ahi.sample_rate;
        afhi->channels = ahi.channels;
        afhi->header_len = ahi.header_len;
+
+       afhi->techinfo = make_message("%s%s%s%s%s",
+               ahi.use_exp_vlc? "exp vlc" : "",
+               (ahi.use_bit_reservoir && ahi.use_exp_vlc)? ", " : "",
+               ahi.use_bit_reservoir? "bit reservoir" : "",
+               (ahi.use_variable_block_len &&
+                       (ahi.use_exp_vlc || ahi.use_bit_reservoir)? ", " : ""),
+               ahi.use_variable_block_len? "vbl" : ""
+       );
        wma_make_chunk_table(map + ahi.header_len, numbytes - ahi.header_len,
                ahi.block_align, afhi);
        read_asf_tags(map, ahi.header_len, &afhi->tags);