From 03bfd797f6d8d703601aad1065194c760d8927dd Mon Sep 17 00:00:00 2001
From: 1nsane000 <33362569+1nsane000@users.noreply.github.com>
Date: Wed, 21 Feb 2024 01:55:36 +0100
Subject: video/filter: add field order support for built in deinterlacers

refqueue gets the field of the frame from mp_image which almost always(if not
always) assumes bottom field order first. By default this behavior should not
change but specifying the field order should bypass this.
---
 video/filter/vf_vdpaupp.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'video/filter/vf_vdpaupp.c')

diff --git a/video/filter/vf_vdpaupp.c b/video/filter/vf_vdpaupp.c
index b8a5d4194f..b5434cdfbc 100644
--- a/video/filter/vf_vdpaupp.c
+++ b/video/filter/vf_vdpaupp.c
@@ -43,6 +43,7 @@
 struct opts {
     bool deint_enabled;
     bool interlaced_only;
+    int field_parity;
     struct mp_vdpau_mixer_opts opts;
 };
 
@@ -156,6 +157,8 @@ static struct mp_filter *vf_vdpaupp_create(struct mp_filter *parent, void *optio
         (p->opts->interlaced_only ? MP_MODE_INTERLACED_ONLY : 0) |
         (p->opts->opts.deint >= 2 ? MP_MODE_OUTPUT_FIELDS : 0));
 
+    mp_refqueue_set_parity(p->queue, p->opts->field_parity);
+
     mp_refqueue_add_in_format(p->queue, IMGFMT_VDPAU, 0);
 
     return f;
@@ -180,6 +183,10 @@ static const m_option_t vf_opts_fields[] = {
     {"sharpen", OPT_FLOAT(opts.sharpen), M_RANGE(-1, 1)},
     {"hqscaling", OPT_INT(opts.hqscaling), M_RANGE(0, 9)},
     {"interlaced-only", OPT_BOOL(interlaced_only)},
+    {"parity", OPT_CHOICE(field_parity,
+        {"tff", MP_FIELD_PARITY_TFF},
+        {"bff", MP_FIELD_PARITY_BFF},
+        {"auto", MP_FIELD_PARITY_AUTO})},
     {0}
 };
 
@@ -188,6 +195,9 @@ const struct mp_user_filter_entry vf_vdpaupp = {
         .description = "vdpau postprocessing",
         .name = "vdpaupp",
         .priv_size = sizeof(OPT_BASE_STRUCT),
+        .priv_defaults = &(const OPT_BASE_STRUCT){
+            .field_parity = MP_FIELD_PARITY_AUTO,
+        },
         .options = vf_opts_fields,
     },
     .create = vf_vdpaupp_create,
-- 
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