You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
From 7b288978c69b614afbc4de50a2e68c8e26c988ef Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
|
|
Date: Fri, 10 May 2019 14:11:58 +0100
|
|
Subject: [PATCH 515/725] staging: bcm2835-codec: Convert V4L2 nsec timestamps
|
|
to MMAL usec
|
|
|
|
V4L2 uses nsecs, whilst MMAL uses usecs, but the code wasn't converting
|
|
between them. This upsets video encode rate control.
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
|
|
---
|
|
.../vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c | 9 +++++++--
|
|
1 file changed, 7 insertions(+), 2 deletions(-)
|
|
|
|
--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
|
|
+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
|
|
@@ -823,7 +823,8 @@ static void op_buffer_cb(struct vchiq_mm
|
|
vb2->flags |= V4L2_BUF_FLAG_LAST;
|
|
}
|
|
|
|
- vb2->vb2_buf.timestamp = mmal_buf->pts;
|
|
+ /* vb2 timestamps in nsecs, mmal in usecs */
|
|
+ vb2->vb2_buf.timestamp = mmal_buf->pts * 1000;
|
|
|
|
vb2_set_plane_payload(&vb2->vb2_buf, 0, mmal_buf->length);
|
|
if (mmal_buf->mmal_flags & MMAL_BUFFER_HEADER_FLAG_KEYFRAME)
|
|
@@ -847,6 +848,7 @@ static void op_buffer_cb(struct vchiq_mm
|
|
static void vb2_to_mmal_buffer(struct m2m_mmal_buffer *buf,
|
|
struct vb2_v4l2_buffer *vb2)
|
|
{
|
|
+ u64 pts;
|
|
buf->mmal.mmal_flags = 0;
|
|
if (vb2->flags & V4L2_BUF_FLAG_KEYFRAME)
|
|
buf->mmal.mmal_flags |= MMAL_BUFFER_HEADER_FLAG_KEYFRAME;
|
|
@@ -869,7 +871,10 @@ static void vb2_to_mmal_buffer(struct m2
|
|
if (!buf->mmal.length || vb2->flags & V4L2_BUF_FLAG_LAST)
|
|
buf->mmal.mmal_flags |= MMAL_BUFFER_HEADER_FLAG_EOS;
|
|
|
|
- buf->mmal.pts = vb2->vb2_buf.timestamp;
|
|
+ /* vb2 timestamps in nsecs, mmal in usecs */
|
|
+ pts = vb2->vb2_buf.timestamp;
|
|
+ do_div(pts, 1000);
|
|
+ buf->mmal.pts = pts;
|
|
buf->mmal.dts = MMAL_TIME_UNKNOWN;
|
|
}
|
|
|