From bd05429590bddfdea0f079c2990e0df30cbc5e46 Mon Sep 17 00:00:00 2001
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From: "vicent.chi" <vicent.chi@rock-chips.com>
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Date: Sat, 28 Mar 2020 18:03:57 +0800
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Subject: [PATCH 4/6] libv4l: mplane: Support VIDIOC_EXPBUF for dmabuf
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Signed-off-by: vicent.chi <vicent.chi@rock-chips.com>
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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lib/libv4l-mplane/libv4l-mplane.c | 14 +++++++++++++-
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1 file changed, 13 insertions(+), 1 deletion(-)
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diff --git a/lib/libv4l-mplane/libv4l-mplane.c b/lib/libv4l-mplane/libv4l-mplane.c
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index b30840a..db22b0b 100644
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--- a/lib/libv4l-mplane/libv4l-mplane.c
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+++ b/lib/libv4l-mplane/libv4l-mplane.c
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@@ -539,6 +539,17 @@ static int buf_ioctl(int fd, unsigned long int cmd, struct v4l2_buffer *arg)
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return ret;
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}
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+static int exbuf_ioctl(int fd, unsigned long int cmd, struct v4l2_exportbuffer *arg)
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+{
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+ if (arg->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
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+ arg->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
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+ errno = EINVAL;
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+ return -1;
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+ }
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+ arg->type = convert_type(arg->type);
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+ return SYS_IOCTL(fd, cmd, arg);
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+}
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+
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static int plugin_ioctl(void *dev_ops_priv, int fd,
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unsigned long int cmd, void *arg)
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{
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@@ -580,7 +591,8 @@ static int plugin_ioctl(void *dev_ops_priv, int fd,
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return SYS_IOCTL(fd, cmd, &type);
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}
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- /* CASE VIDIOC_EXPBUF: */
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+ case VIDIOC_EXPBUF:
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+ return exbuf_ioctl(fd, cmd, arg);
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default:
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return SYS_IOCTL(fd, cmd, arg);
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}
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--
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2.20.1
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