staging:vc04_services: bcm2835-camera: Request headers with I-frame

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------

V4L2 wishes to have the codec header bytes in the same buffer as the
first encoded frame, so it does become 1-in 1-out for encoding.
The firmware now has an option to do this, so enable it.
Signed-off-by: NDave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c

@@ -1734,6 +1734,12 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
 					      MMAL_PARAMETER_MINIMISE_FRAGMENTATION,
 					      &enable,
 					      sizeof(enable));
+
+		/* Enable inserting headers into the first frame */
+		vchiq_mmal_port_parameter_set(dev->instance,
+					      &dev->component[COMP_VIDEO_ENCODE]->control,
+					      MMAL_PARAMETER_VIDEO_ENCODE_HEADERS_WITH_FRAME,
+					      &enable, sizeof(enable));
 	}
 	ret = bm2835_mmal_set_all_camera_controls(dev);
 	if (ret < 0) {