cam: sdl_sink: Add MJPG support to SDL sink

So we have at least two supported capturing pixel formats (although
many possible output pixel formats thanks to SDL conversion). MJPG
support only built in if SDL2_image is available, provides
decompression.

Signed-off-by: Eric Curtin <ecurtin@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/cam/sdl_texture_mjpg.h b/src/cam/sdl_texture_mjpg.h
new file mode 100644
index 00000000..b103f801
--- /dev/null
+++ b/src/cam/sdl_texture_mjpg.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2022, Ideas on Board Oy
+ *
+ * sdl_texture_mjpg.h - SDL Texture MJPG
+ */
+
+#pragma once
+
+#include "sdl_texture.h"
+
+class SDLTextureMJPG : public SDLTexture
+{
+public:
+	SDLTextureMJPG(const SDL_Rect &rect);
+	void update(const libcamera::Span<uint8_t> &data) override;
+};