avformat/utils: do not overwrite already existing program with defaults in av_new_program

av_new_program returns the existing program if that already exists, in that
case it makes no sense to overwrite existing attributes.

Signed-off-by: Marton Balint <cus@passwd.hu>

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 3ba4ae4123686e2a62070be85e5cd3e2fa201fa2..c52f39e1b721da70a54a8a9563d52a3e3581793b 100644 (file)
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -4590,14 +4590,12 @@ AVProgram *av_new_program(AVFormatContext *ac, int id)
         dynarray_add(&ac->programs, &ac->nb_programs, program);
         program->discard = AVDISCARD_NONE;
         program->pmt_version = -1;
+        program->id = id;
+        program->pts_wrap_reference = AV_NOPTS_VALUE;
+        program->pts_wrap_behavior = AV_PTS_WRAP_IGNORE;
+        program->start_time =
+        program->end_time   = AV_NOPTS_VALUE;
     }
-    program->id = id;
-    program->pts_wrap_reference = AV_NOPTS_VALUE;
-    program->pts_wrap_behavior = AV_PTS_WRAP_IGNORE;
-
-    program->start_time =
-    program->end_time   = AV_NOPTS_VALUE;
-
     return program;
 }