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| author |   Nicolas Dufresne <nicolas.dufresne@collabora.com> | 2022-04-26 14:57:28 +0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-05-13 14:58:48 +0200 |
| commit | 86ef61ad686c176f1853a0e8b7f809f21cfadbb2 (patch) | |
| tree | a5b39e4df65947832a36f497b28fff5b5e4544da /drivers/media | |
| parent | media: doc: Document dual use of H.264 pic_num/frame_num (diff) | |
| download | linux-dev-86ef61ad686c176f1853a0e8b7f809f21cfadbb2.tar.xz linux-dev-86ef61ad686c176f1853a0e8b7f809f21cfadbb2.zip | |
media: v4l2-mem2mem: Trace on implicit un-hold
If the timestamp of the src buffer differs from the timestamp of a held
dst buffer, the held buffer is implicitly removed and marked as done.
Add a trace to help debugging if someone hits that case.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-mem2mem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 9d32d8c71e45..6469f9a25a4e 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -336,6 +336,7 @@ static void __v4l2_m2m_try_queue(struct v4l2_m2m_dev *m2m_dev, if (src && dst && dst->is_held && dst->vb2_buf.copied_timestamp && dst->vb2_buf.timestamp != src->vb2_buf.timestamp) { + dprintk("Timestamp mismatch, returning held capture buffer\n"); dst->is_held = false; v4l2_m2m_dst_buf_remove(m2m_ctx); v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE); |