950-0248-staging-vc04_services-bcm2835-camera-Request-headers.patch

From 1f0594a0dedb69f45c414fb05683921ef79b65b9 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Fri, 15 May 2020 13:48:59 +0100
Subject: [PATCH] staging:vc04_services: bcm2835-camera: Request
 headers with I-frame

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: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
 .../staging/vc04_services/bcm2835-camera/bcm2835-camera.c   | 6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -1734,6 +1734,12 @@ static int mmal_init(struct bm2835_mmal_
 					      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) {