From ba09254b38ee998c1ef78d5115d8a847c15411d5 Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom@rom1v.com>
Date: Fri, 12 Feb 2021 23:19:44 +0100
Subject: [PATCH] refilter_on_resize

---
 app/src/frame_texture.c | 13 +++++++++++++
 app/src/frame_texture.h |  3 +++
 app/src/screen.c        |  5 +++++
 3 files changed, 21 insertions(+)

diff --git a/app/src/frame_texture.c b/app/src/frame_texture.c
index b7faabce..24f697ff 100644
--- a/app/src/frame_texture.c
+++ b/app/src/frame_texture.c
@@ -135,6 +135,7 @@ screen_generate_resized_frame(struct sc_frame_texture *ftex,
     }
 
     const AVFrame *input = ftex->decoded_frame;
+    assert(input);
 
     int flags = to_sws_filter(ftex->scale_filter);
     struct SwsContext *ctx =
@@ -232,3 +233,15 @@ sc_frame_texture_update(struct sc_frame_texture *ftex, const AVFrame *frame,
     }
     return sc_frame_texture_update_direct(ftex, frame);
 }
+
+bool
+sc_frame_texture_resize(struct sc_frame_texture *ftex,
+                        struct size target_size) {
+    if (is_swscale_enabled(ftex->scale_filter)) {
+        return sc_frame_texture_update_swscale(ftex, ftex->decoded_frame,
+                                               target_size);
+    }
+
+    // Nothing to do
+    return true;
+}
diff --git a/app/src/frame_texture.h b/app/src/frame_texture.h
index 1c54dcdb..4bdc0674 100644
--- a/app/src/frame_texture.h
+++ b/app/src/frame_texture.h
@@ -38,4 +38,7 @@ bool
 sc_frame_texture_update(struct sc_frame_texture *ftex, const AVFrame *frame,
                         struct size target_size);
 
+bool
+sc_frame_texture_resize(struct sc_frame_texture *ftex, struct size target_size);
+
 #endif
diff --git a/app/src/screen.c b/app/src/screen.c
index ebbfe7df..14299a8b 100644
--- a/app/src/screen.c
+++ b/app/src/screen.c
@@ -377,6 +377,11 @@ void
 screen_render(struct screen *screen, bool update_content_rect) {
     if (update_content_rect) {
         screen_update_content_rect(screen);
+        struct size rect_size = {screen->rect.w, screen->rect.h};
+        if (!sc_frame_texture_resize(&screen->ftex, rect_size)) {
+            // FIXME return error
+            LOGC("oops");
+        }
     }
 
     struct sc_frame_texture *ftex = &screen->ftex;