edl: make it possible to set the track "default" flag

Also, the forced flag (and in the future, potentially a number of other
flags not implemented yet). See next commit for purpose.

2 files changed, 22 insertions, 0 deletions

diff --git a/DOCS/edl-mpv.rst b/DOCS/edl-mpv.rst
index ac85f427d0..999e75694a 100644
--- a/DOCS/edl-mpv.rst
+++ b/DOCS/edl-mpv.rst
@@ -277,6 +277,17 @@ This has the following parameters:
     Above also applies for similar fields such as ``w``.  These fields are
     mostly to help with user track pre-selection.
 
+``flags``
+    A ``+`` separated list of boolean flags. Currently defined flags:
+
+        ``default``
+            Set the default track flag.
+
+        ``forced``
+            Set the forced track flag.
+
+    Other values are ignored after triggering a warning.
+
 ``w``, ``h``
     For video codecs: expected video size. See ``codec`` for details.
 
diff --git a/demux/demux_edl.c b/demux/demux_edl.c
index 20e5c222e7..6deba77b9f 100644
--- a/demux/demux_edl.c
+++ b/demux/demux_edl.c
@@ -241,6 +241,17 @@ static struct tl_root *parse_edl(bstr str, struct mp_log *log)
                 sh->lang = get_param0(&ctx, sh, "lang");
                 sh->title = get_param0(&ctx, sh, "title");
                 sh->hls_bitrate = get_param_int(&ctx, "byterate", 0) * 8;
+                bstr flags = get_param(&ctx, "flags");
+                bstr flag;
+                while (bstr_split_tok(flags, "+", &flag, &flags) || flag.len) {
+                    if (bstr_equals0(flag, "default")) {
+                        sh->default_track = true;
+                    } else if (bstr_equals0(flag, "forced")) {
+                        sh->forced_track = true;
+                    } else {
+                        mp_warn(log, "Unknown flag: '%.*s'\n", BSTR_P(flag));
+                    }
+                }
             } else if (bstr_equals0(f_type, "delay_open")) {
                 struct sh_stream *sh = get_meta(tl, tl->num_sh_meta);
                 bstr mt = get_param(&ctx, "media_type");