target/linux/bcm27xx/patches-4.19/950-0312-staging-bcm2835_codec-Include-timing-info-in-SPS-hea.patch


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From 7f9fd2338e3a9d7b46b6904bbd7f97851e9b3f52 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Mon, 18 Feb 2019 15:56:42 +0000
Subject: [PATCH] staging: bcm2835_codec: Include timing info in SPS
 headers

Inserting timing information into the VUI block of the SPS is
optional with the VPU encoder.
GStreamer appears to require them when using V4L2 M2M, therefore
set the option to enable them from the encoder.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
 .../vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
@@ -1785,6 +1785,8 @@ static int bcm2835_codec_create_componen
 		goto destroy_component;
 
 	if (dev->role == ENCODE) {
+		u32 param = 1;
+
 		if (ctx->q_data[V4L2_M2M_SRC].sizeimage <
 			ctx->component->output[0].minimum_buffer.size)
 			v4l2_err(&dev->v4l2_dev, "buffer size mismatch sizeimage %u < min size %u\n",
@@ -1793,6 +1795,16 @@ static int bcm2835_codec_create_componen
 
 		/* Now we have a component we can set all the ctrls */
 		bcm2835_codec_set_ctrls(ctx);
+
+		/* Enable SPS Timing header so framerate information is encoded
+		 * in the H264 header.
+		 */
+		vchiq_mmal_port_parameter_set(
+					ctx->dev->instance,
+					&ctx->component->output[0],
+					MMAL_PARAMETER_VIDEO_ENCODE_SPS_TIMING,
+					&param, sizeof(param));
+
 	} else {
 		if (ctx->q_data[V4L2_M2M_DST].sizeimage <
 			ctx->component->output[0].minimum_buffer.size)