diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0196-BCM2835-V4L2-Ensure-H264-header-bytes-get-a-sensible.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.9/950-0196-BCM2835-V4L2-Ensure-H264-header-bytes-get-a-sensible.patch | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0196-BCM2835-V4L2-Ensure-H264-header-bytes-get-a-sensible.patch b/target/linux/brcm2708/patches-4.9/950-0196-BCM2835-V4L2-Ensure-H264-header-bytes-get-a-sensible.patch deleted file mode 100644 index df8d4b4a4f..0000000000 --- a/target/linux/brcm2708/patches-4.9/950-0196-BCM2835-V4L2-Ensure-H264-header-bytes-get-a-sensible.patch +++ /dev/null @@ -1,87 +0,0 @@ -From 02ceda02182f6cb538be397b8d8f34b64a254559 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Mon, 13 Feb 2017 11:10:50 +0000 -Subject: [PATCH] BCM2835-V4L2: Ensure H264 header bytes get a sensible - timestamp - -H264 header come off VC with 0 timestamps, which means they get a -strange timestamp when processed with VC/kernel start times, -particularly if used with the inline header option. -Remember the last frame timestamp and use that if set, or otherwise -use the kernel start time. - -https://github.com/raspberrypi/linux/issues/1836 - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - drivers/media/platform/bcm2835/bcm2835-camera.c | 30 ++++++++++++++++++++++--- - drivers/media/platform/bcm2835/bcm2835-camera.h | 2 ++ - 2 files changed, 29 insertions(+), 3 deletions(-) - ---- a/drivers/media/platform/bcm2835/bcm2835-camera.c -+++ b/drivers/media/platform/bcm2835/bcm2835-camera.c -@@ -356,8 +356,13 @@ static void buffer_cb(struct vchiq_mmal_ - } - } else { - if (dev->capture.frame_count) { -- if (dev->capture.vc_start_timestamp != -1 && -- pts != 0) { -+ if (dev->capture.vc_start_timestamp == -1) { -+ buf->vb.vb2_buf.timestamp = ktime_get_ns(); -+ v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, -+ "Buffer time set as current time - %lld", -+ buf->vb.vb2_buf.timestamp); -+ -+ } else if(pts != 0) { - struct timeval timestamp; - s64 runtime_us = pts - - dev->capture.vc_start_timestamp; -@@ -390,10 +395,27 @@ static void buffer_cb(struct vchiq_mmal_ - buf->vb.vb2_buf.timestamp = timestamp.tv_sec * 1000000000ULL + - timestamp.tv_usec * 1000ULL; - } else { -- buf->vb.vb2_buf.timestamp = ktime_get_ns(); -+ if (dev->capture.last_timestamp) { -+ buf->vb.vb2_buf.timestamp = dev->capture.last_timestamp; -+ v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, -+ "Buffer time set as last timestamp - %lld", -+ buf->vb.vb2_buf.timestamp); -+ } -+ else { -+ buf->vb.vb2_buf.timestamp = -+ dev->capture.kernel_start_ts.tv_sec * 1000000000ULL + -+ dev->capture.kernel_start_ts.tv_usec * 1000ULL; -+ v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, -+ "Buffer time set as start timestamp - %lld", -+ buf->vb.vb2_buf.timestamp); -+ } - } -+ dev->capture.last_timestamp = buf->vb.vb2_buf.timestamp; - - vb2_set_plane_payload(&buf->vb.vb2_buf, 0, length); -+ v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, -+ "Buffer has ts %llu", -+ dev->capture.last_timestamp); - vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); - - if (mmal_flags & MMAL_BUFFER_HEADER_FLAG_EOS && -@@ -559,6 +581,8 @@ static int start_streaming(struct vb2_qu - "Start time %lld size %d\n", - dev->capture.vc_start_timestamp, parameter_size); - -+ dev->capture.last_timestamp = 0; -+ - v4l2_get_timestamp(&dev->capture.kernel_start_ts); - - /* enable the camera port */ ---- a/drivers/media/platform/bcm2835/bcm2835-camera.h -+++ b/drivers/media/platform/bcm2835/bcm2835-camera.h -@@ -93,6 +93,8 @@ struct bm2835_mmal_dev { - s64 vc_start_timestamp; - /* Kernel start timestamp for streaming */ - struct timeval kernel_start_ts; -+ /* Timestamp of last frame */ -+ u64 last_timestamp; - - struct vchiq_mmal_port *port; /* port being used for capture */ - /* camera port being used for capture */ |