From 51dbb5607e19ea7f6a397f685fb5f58346b79f88 Mon Sep 17 00:00:00 2001
From: schnusch <schnusch@users.noreply.github.com>
Date: Tue, 11 Oct 2016 23:33:28 +0200
Subject: stream_bluray: select title by playlist

Blu-ray titles can now be selected by playlist number like this:
    bd://mpls/[playlist]
---
 stream/stream_bluray.c | 52 +++++++++++++++++++++++++++++++++-----------------
 1 file changed, 34 insertions(+), 18 deletions(-)

diff --git a/stream/stream_bluray.c b/stream/stream_bluray.c
index 81e4c00ba9..69f920ed73 100644
--- a/stream/stream_bluray.c
+++ b/stream/stream_bluray.c
@@ -53,6 +53,7 @@
 
 #define BLURAY_DEFAULT_ANGLE      0
 #define BLURAY_DEFAULT_CHAPTER    0
+#define BLURAY_PLAYLIST_TITLE    -3
 #define BLURAY_DEFAULT_TITLE     -2
 #define BLURAY_MENU_TITLE        -1
 
@@ -80,6 +81,7 @@ struct bluray_priv_s {
     int current_playlist;
 
     int cfg_title;
+    int cfg_playlist;
     char *cfg_device;
 
     bool use_nav;
@@ -92,6 +94,11 @@ static void destruct(struct bluray_priv_s *priv)
     bd_close(priv->bd);
 }
 
+inline static int play_playlist(struct bluray_priv_s *priv, int playlist)
+{
+    return bd_select_playlist(priv->bd, playlist);
+}
+
 inline static int play_title(struct bluray_priv_s *priv, int title)
 {
     return bd_select_title(priv->bd, title);
@@ -341,19 +348,25 @@ static bool check_disc_info(stream_t *s)
 static void select_initial_title(stream_t *s, int title_guess) {
     struct bluray_priv_s *b = s->priv;
 
-    int title = -1;
-    if (b->cfg_title != BLURAY_DEFAULT_TITLE )
-        title = b->cfg_title;
-    else
-        title = title_guess;
-    if (title < 0)
-        return;
-
-    if (play_title(b, title))
-        b->current_title = title;
-    else {
-        MP_WARN(s, "Couldn't start title '%d'.\n", title);
+    if (b->cfg_title == BLURAY_PLAYLIST_TITLE) {
+        if (!play_playlist(b, b->cfg_playlist))
+            MP_WARN(s, "Couldn't start playlist '%05d'.\n", b->cfg_playlist);
         b->current_title = bd_get_current_title(b->bd);
+    } else {
+        int title = -1;
+        if (b->cfg_title != BLURAY_DEFAULT_TITLE )
+            title = b->cfg_title;
+        else
+            title = title_guess;
+        if (title < 0)
+            return;
+
+        if (play_title(b, title))
+            b->current_title = title;
+        else {
+            MP_WARN(s, "Couldn't start title '%d'.\n", title);
+            b->current_title = bd_get_current_title(b->bd);
+        }
     }
 }
 
@@ -456,7 +469,7 @@ static int bluray_stream_open(stream_t *s)
 
     b->use_nav = s->info == &stream_info_bdnav;
 
-    bstr title, bdevice;
+    bstr title, bdevice, rest = { .len = 0 };
     bstr_split_tok(bstr0(s->path), "/", &title, &bdevice);
 
     b->cfg_title = BLURAY_DEFAULT_TITLE;
@@ -465,13 +478,16 @@ static int bluray_stream_open(stream_t *s)
         b->cfg_title = BLURAY_DEFAULT_TITLE;
     } else if (bstr_equals0(title, "menu")) {
         b->cfg_title = BLURAY_MENU_TITLE;
+    } else if (bstr_equals0(title, "mpls")) {
+        bstr_split_tok(bdevice, "/", &title, &bdevice);
+        b->cfg_playlist = bstrtoll(title, &rest, 10);
+        b->cfg_title    = BLURAY_PLAYLIST_TITLE;
     } else if (title.len) {
-        bstr rest;
         b->cfg_title = bstrtoll(title, &rest, 10);
-        if (rest.len) {
-            MP_ERR(s, "number expected: '%.*s'\n", BSTR_P(rest));
-            return STREAM_ERROR;
-        }
+    }
+    if (rest.len) {
+        MP_ERR(s, "number expected: '%.*s'\n", BSTR_P(rest));
+        return STREAM_ERROR;
     }
 
     b->cfg_device = bstrto0(b, bdevice);
-- 
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