Fix documentation of check_filter_arg().

[paraslash.git] / afh_common.c

diff --git a/afh_common.c b/afh_common.c
index 08bcde90697ec251c50ebd58abaf5f7ddf3ecff0..063ae8f0b104ccab15e9f10f637ec34e7783e785 100644 (file)
--- a/afh_common.c
+++ b/afh_common.c
@@ -48,7 +48,7 @@ static struct audio_format_handler afl[] = {
        },
        {
                .name = "aac",
-#ifdef HAVE_FAAD
+#if defined(HAVE_MP4V2)
                .init = aac_afh_init,
 #endif
        },
@@ -64,7 +64,7 @@ static struct audio_format_handler afl[] = {
        },
        {
                .name = "flac",
-#ifdef HAVE_FLAC
+#if defined(HAVE_OGG) && defined(HAVE_FLAC)
                .init = flac_afh_init,
 #endif
        },
@@ -367,9 +367,9 @@ unsigned afh_get_afhi_txt(int audio_format_num, struct afh_info *afhi, char **re
                "%s: %s\n" /* format */
                "%s: %dHz\n" /* frequency */
                "%s: %d\n" /* channels */
-               "%s: %lu\n" /* seconds total */
+               "%s: %" PRIu32 "\n" /* seconds total */
                "%s: %lu: %lu\n" /* chunk time */
-               "%s: %lu\n" /* num chunks */
+               "%s: %" PRIu32 "\n" /* num chunks */
                "%s: %s\n" /* techinfo */
                "%s: %s\n" /* artist */
                "%s: %s\n" /* title */
@@ -392,3 +392,31 @@ unsigned afh_get_afhi_txt(int audio_format_num, struct afh_info *afhi, char **re
                status_item_list[SI_COMMENT], afhi->tags.comment? afhi->tags.comment : ""
        );
 }
+
+/**
+ * Create a copy of the given file with altered meta tags.
+ *
+ * \param audio_format_id Specifies the audio format.
+ * \param map The (read-only) memory map of the input file.
+ * \param mapsize The size of the input file in bytes.
+ * \param tags The new tags.
+ * \param output_fd Altered file is created using this file descriptor.
+ * \param filename The name of the temporary output file.
+ *
+ * This calls the ->rewrite_tags method of the audio format handler associated
+ * with \a audio_format_id to create a copy of the memory-mapped file given
+ * by \a map and \a mapsize, but with altered tags according to \a tags. If
+ * the audio format handler for \a audio_format_id lacks this optional method,
+ * the function returns (the paraslash error code of) \p ENOTSUP.
+ *
+ * \return Standard.
+ */
+int afh_rewrite_tags(int audio_format_id, void *map, size_t mapsize,
+               struct taginfo *tags, int output_fd, const char *filename)
+{
+       struct audio_format_handler *afh = afl + audio_format_id;
+
+       if (!afh->rewrite_tags)
+               return -ERRNO_TO_PARA_ERROR(ENOTSUP);
+       return afh->rewrite_tags(map, mapsize, tags, output_fd, filename);
+}