song: added support for selecting a time range

Added attributes start_ms, end_ms.  This allows us to address a
portion of a song file (important for CUE support).  There is no
support yet for storing these attributes in the state file.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/song.h b/src/song.h
index 832f3d70..2bebee64 100644
--- a/src/song.h
+++ b/src/song.h
@@ -31,6 +31,18 @@ struct song {
 	struct tag *tag;
 	struct directory *parent;
 	time_t mtime;
+
+	/**
+	 * Start of this sub-song within the file in milliseconds.
+	 */
+	unsigned start_ms;
+
+	/**
+	 * End of this sub-song within the file in milliseconds.
+	 * Unused if zero.
+	 */
+	unsigned end_ms;
+
 	char uri[sizeof(int)];
 };