contrib: Add small patch fix to libdvdread.

diff --git a/contrib/libdvdread/A00-swap-pgc_t-pg_playback_mode.patch b/contrib/libdvdread/A00-swap-pgc_t-pg_playback_mode.patch
new file mode 100644 (file)
index 0000000..b8c947c
--- /dev/null
+++ b/contrib/libdvdread/A00-swap-pgc_t-pg_playback_mode.patch
@@ -0,0 +1,27 @@
+From f95662fca27e7e2940c22110335654db46bf9c39 Mon Sep 17 00:00:00 2001
+From: John Sullivan <jsgthb@kanargh.org.uk>
+Date: Fri, 9 Aug 2019 13:23:15 +0100
+Subject: [PATCH] Swap pgc_t's still_time and pg_playback_mode which are
+ currently the wrong way round, which prevents some discs from playing.
+
+---
+ src/dvdread/ifo_types.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/dvdread/ifo_types.h b/src/dvdread/ifo_types.h
+index 22ece66..f679d29 100644
+--- a/src/dvdread/ifo_types.h
++++ b/src/dvdread/ifo_types.h
+@@ -294,8 +294,8 @@ typedef struct {
+   uint16_t next_pgc_nr;
+   uint16_t prev_pgc_nr;
+   uint16_t goup_pgc_nr;
+-  uint8_t  still_time;
+   uint8_t  pg_playback_mode;
++  uint8_t  still_time;
+   uint32_t palette[16]; /* New type struct {zero_1, Y, Cr, Cb} ? */
+   uint16_t command_tbl_offset;
+   uint16_t program_map_offset;
+-- 
+2.21.0
+