player/command: add deinterlace-active property

4 files changed, 22 insertions, 0 deletions

diff --git a/filters/f_auto_filters.c b/filters/f_auto_filters.c
index fca8894b1a..f6d068ada6 100644
--- a/filters/f_auto_filters.c
+++ b/filters/f_auto_filters.c
@@ -168,6 +168,12 @@ static const struct mp_filter_info deint_filter = {
     .destroy = deint_destroy,
 };
 
+bool mp_deint_active(struct mp_filter *f)
+{
+    struct deint_priv *p = f->priv;
+    return p->deinterlace_active;
+}
+
 struct mp_filter *mp_deint_create(struct mp_filter *parent)
 {
     struct mp_filter *f = mp_filter_create(parent, &deint_filter);
diff --git a/filters/f_auto_filters.h b/filters/f_auto_filters.h
index f315084158..f926f6e449 100644
--- a/filters/f_auto_filters.h
+++ b/filters/f_auto_filters.h
@@ -11,3 +11,5 @@ struct mp_filter *mp_autorotate_create(struct mp_filter *parent);
 
 // Insert a filter that inserts scaletempo2 depending on speed settings.
 struct mp_filter *mp_autoaspeed_create(struct mp_filter *parent);
+
+bool mp_deint_active(struct mp_filter *parent);
diff --git a/filters/f_output_chain.c b/filters/f_output_chain.c
index 2d4dcba417..ccb4d53af9 100644
--- a/filters/f_output_chain.c
+++ b/filters/f_output_chain.c
@@ -518,6 +518,17 @@ double mp_output_get_measured_total_delay(struct mp_output_chain *c)
     return delay;
 }
 
+bool mp_output_chain_deinterlace_active(struct mp_output_chain *c)
+{
+    struct chain *p = c->f->priv;
+    for (int n = 0; n < p->num_all_filters; n++) {
+        struct mp_user_filter *u = p->all_filters[n];
+        if (strcmp(u->name, "userdeint") == 0)
+            return mp_deint_active(u->f);
+    }
+    return false;
+}
+
 bool mp_output_chain_update_filters(struct mp_output_chain *c,
                                     struct m_obj_settings *list)
 {
diff --git a/filters/f_output_chain.h b/filters/f_output_chain.h
index f06769cdd9..f313f9a65f 100644
--- a/filters/f_output_chain.h
+++ b/filters/f_output_chain.h
@@ -85,3 +85,6 @@ void mp_output_chain_set_audio_speed(struct mp_output_chain *p,
 // due to the change.
 // Makes sense for audio only.
 double mp_output_get_measured_total_delay(struct mp_output_chain *p);
+
+// Check if deinterlace user filter is inserted
+bool mp_output_chain_deinterlace_active(struct mp_output_chain *p);