[vlc-devel] [PATCH] negative stop-time causes offset from the end

[Aleksandr Pasechnik]

Negative stop-time, for example -N seconds, causes the stream to stop N seconds
before the end.

Original code suggestion by MooseSoftware in the forum.videolan.org
---
 src/input/input.c   | 10 ++++++++++
 src/libvlc-module.c |  3 ++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/input/input.c b/src/input/input.c
index 7de30ec..a8210f6 100644
--- a/src/input/input.c
+++ b/src/input/input.c
@@ -900,6 +900,16 @@ static void StartTitle( input_thread_t * p_input )
         msg_Warn( p_input, "invalid run-time ignored" );
         p_input->p->i_run = 0;
     }
+    if( p_input->p->i_stop < 0 )
+    {
+        mtime_t duration = input_item_GetDuration( p_input->p->p_item );
+        if( duration > 0 && duration + p_input->p->i_stop > 0 )
+        {
+            p_input->p->i_stop = duration + p_input->p->i_stop;
+            msg_Dbg( p_input, "recalculated stop-time to %ds",
+                     (int) p_input->p->i_stop );
+        }
+    }
 
     if( p_input->p->i_start > 0 )
     {
diff --git a/src/libvlc-module.c b/src/libvlc-module.c
index 31037b4..aaba078 100644
--- a/src/libvlc-module.c
+++ b/src/libvlc-module.c
@@ -627,7 +627,8 @@ static const char *const ppsz_prefres[] = {
 
 #define STOP_TIME_TEXT N_("Stop time")
 #define STOP_TIME_LONGTEXT N_( \
-    "The stream will stop at this position (in seconds)." )
+    "The stream will stop at this position (in seconds). " \
+    "Negative values are subtracted from the end of the stream." )
 
 #define RUN_TIME_TEXT N_("Run time")
 #define RUN_TIME_LONGTEXT N_( \
-- 
2.3.3