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-rw-r--r--scrypted/scrypted-viewport.ts34
1 files changed, 31 insertions, 3 deletions
diff --git a/scrypted/scrypted-viewport.ts b/scrypted/scrypted-viewport.ts
index 966d2fb..d4bf8a5 100644
--- a/scrypted/scrypted-viewport.ts
+++ b/scrypted/scrypted-viewport.ts
@@ -509,8 +509,36 @@ class ScryptedViewportProvider extends ScryptedDeviceBase
const cam: any = systemManager.getDeviceById(v.cameraId);
if (!cam) return;
- const w = v.orientation === "portrait" ? 480 : 800;
- const h = v.orientation === "portrait" ? 800 : 480;
+
+ // Fetch the panel's native dimensions from the firmware and
+ // cache them on the viewport's storage. Falls back to 800x480
+ // if /state is unreachable (e.g. mid-reboot). Panel dims never
+ // change for a given device so this only really needs to run
+ // once per discovery; refreshing on every wake costs ~5 ms and
+ // self-heals if the firmware is replaced.
+ const pw = parseInt(v.storage.getItem("panel_w") || "0", 10);
+ const ph = parseInt(v.storage.getItem("panel_h") || "0", 10);
+ let panelW = pw || 800;
+ let panelH = ph || 480;
+ try {
+ const st = await fetch(`http://${v.host}/state`, { signal: AbortSignal.timeout(1500) }).then(r => r.json());
+ if (st?.panel_width && st?.panel_height) {
+ panelW = Number(st.panel_width);
+ panelH = Number(st.panel_height);
+ v.storage.setItem("panel_w", String(panelW));
+ v.storage.setItem("panel_h", String(panelH));
+ }
+ } catch { /* keep cached values */ }
+
+ // Always send panel-native dimensions (panelW x panelH). For a
+ // portrait viewport we scale to the logical (panelH x panelW)
+ // target then transpose 90° CW so the buffer that arrives at the
+ // panel is already in the right rotation. The firmware never
+ // touches pixels — the hardware JPEG decoder writes BGR888
+ // straight into a DMA buffer that gets handed to the DSI engine.
+ const vf = v.orientation === "portrait"
+ ? `scale=${panelH}:${panelW}:flags=lanczos,transpose=1` // 90° CW → panelW x panelH
+ : `scale=${panelW}:${panelH}:flags=lanczos`;
const fps = Math.max(1, Math.round(1000 / v.frameIntervalMs));
// Pull the camera's video stream, convert to ffmpeg input args, and
@@ -548,7 +576,7 @@ class ScryptedViewportProvider extends ScryptedDeviceBase
"-fflags", "+genpts+nobuffer", "-flags", "low_delay",
...(ffmpegInput.inputArguments || []),
"-an", "-sn",
- "-vf", `scale=${w}:${h}:flags=lanczos,fps=${fps}`,
+ "-vf", `${vf},fps=${fps}`,
"-c:v", "mjpeg", "-q:v", "2",
"-f", "image2pipe", "-flush_packets", "1",
"pipe:1",