vo: add --video-crop

Just cropping by VO that works with hwdec.

Fixes: #12222

1 files changed, 28 insertions, 0 deletions

diff --git a/player/video.c b/player/video.c
index a8556ba700..d9e371d9fd 100644
--- a/player/video.c
+++ b/player/video.c
@@ -1129,6 +1129,34 @@ void write_video(struct MPContext *mpctx)
 
     // Filter output is different from VO input?
     struct mp_image_params *p = &mpctx->next_frames[0]->params;
+    // Inject vo crop to notify and reconfig if needed
+    struct mp_rect rc;
+    m_rect_apply(&rc, p->w, p->h, &vo->opts->video_crop);
+    if (rc.x1 > 0 && rc.y1 > 0)
+    {
+        p->crop = rc;
+        if (!mp_image_crop_valid(p)) {
+            char *str = m_option_type_rect.print(NULL, &vo->opts->video_crop);
+            MP_WARN(vo, "Ignoring invalid --video-crop=%s for %dx%d image\n",
+                    str, p->w, p->h);
+            talloc_free(str);
+            if (vo->params) {
+                p->crop = vo->params->crop;
+                vo->opts->video_crop = (struct m_geometry){
+                    .x = p->crop.x0,
+                    .y = p->crop.y0,
+                    .w = mp_rect_w(p->crop),
+                    .h = mp_rect_h(p->crop),
+                    .xy_valid = true,
+                    .wh_valid = true,
+                };
+            }
+            if (!mp_image_crop_valid(p)) {
+                p->crop = (struct mp_rect){0};
+                vo->opts->video_crop = (struct m_geometry){0};
+            }
+        }
+    }
     if (!vo->params || !mp_image_params_equal(p, vo->params)) {
         // Changing config deletes the current frame; wait until it's finished.
         if (vo_still_displaying(vo)) {