lkml.org 
[lkml]   [2018]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v10 08/16] v4l: mark unordered formats
Date
From: Gustavo Padovan <gustavo.padovan@collabora.com>

Now that we've introduced the V4L2_FMT_FLAG_UNORDERED flag,
mark the appropriate formats.

v2: Set unordered flag before calling the driver callback.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
---
drivers/media/v4l2-core/v4l2-ioctl.c | 74 +++++++++++++++++++++++++++---------
1 file changed, 57 insertions(+), 17 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index f48c505550e0..2135ac235a96 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1102,6 +1102,27 @@ static int v4l_enumoutput(const struct v4l2_ioctl_ops *ops,
return ops->vidioc_enum_output(file, fh, p);
}

+static void v4l_fill_unordered_fmtdesc(struct v4l2_fmtdesc *fmt)
+{
+ switch (fmt->pixelformat) {
+ case V4L2_PIX_FMT_MPEG:
+ case V4L2_PIX_FMT_H264:
+ case V4L2_PIX_FMT_H264_NO_SC:
+ case V4L2_PIX_FMT_H264_MVC:
+ case V4L2_PIX_FMT_H263:
+ case V4L2_PIX_FMT_MPEG1:
+ case V4L2_PIX_FMT_MPEG2:
+ case V4L2_PIX_FMT_MPEG4:
+ case V4L2_PIX_FMT_XVID:
+ case V4L2_PIX_FMT_VC1_ANNEX_G:
+ case V4L2_PIX_FMT_VC1_ANNEX_L:
+ case V4L2_PIX_FMT_VP8:
+ case V4L2_PIX_FMT_VP9:
+ case V4L2_PIX_FMT_HEVC:
+ fmt->flags |= V4L2_FMT_FLAG_UNORDERED;
+ }
+}
+
static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
{
const unsigned sz = sizeof(fmt->description);
@@ -1310,61 +1331,80 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)

if (descr)
WARN_ON(strlcpy(fmt->description, descr, sz) >= sz);
- fmt->flags = flags;
+ fmt->flags |= flags;
}

-static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
- struct file *file, void *fh, void *arg)
-{
- struct v4l2_fmtdesc *p = arg;
- int ret = check_fmt(file, p->type);

- if (ret)
- return ret;
- ret = -EINVAL;
+static int __vidioc_enum_fmt(const struct v4l2_ioctl_ops *ops,
+ struct v4l2_fmtdesc *p,
+ struct file *file, void *fh)
+{
+ int ret = 0;

switch (p->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (unlikely(!ops->vidioc_enum_fmt_vid_cap))
break;
- ret = ops->vidioc_enum_fmt_vid_cap(file, fh, arg);
+ ret = ops->vidioc_enum_fmt_vid_cap(file, fh, p);
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
if (unlikely(!ops->vidioc_enum_fmt_vid_cap_mplane))
break;
- ret = ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, arg);
+ ret = ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, p);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
if (unlikely(!ops->vidioc_enum_fmt_vid_overlay))
break;
- ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, arg);
+ ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, p);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
if (unlikely(!ops->vidioc_enum_fmt_vid_out))
break;
- ret = ops->vidioc_enum_fmt_vid_out(file, fh, arg);
+ ret = ops->vidioc_enum_fmt_vid_out(file, fh, p);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
if (unlikely(!ops->vidioc_enum_fmt_vid_out_mplane))
break;
- ret = ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg);
+ ret = ops->vidioc_enum_fmt_vid_out_mplane(file, fh, p);
break;
case V4L2_BUF_TYPE_SDR_CAPTURE:
if (unlikely(!ops->vidioc_enum_fmt_sdr_cap))
break;
- ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, arg);
+ ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, p);
break;
case V4L2_BUF_TYPE_SDR_OUTPUT:
if (unlikely(!ops->vidioc_enum_fmt_sdr_out))
break;
- ret = ops->vidioc_enum_fmt_sdr_out(file, fh, arg);
+ ret = ops->vidioc_enum_fmt_sdr_out(file, fh, p);
break;
case V4L2_BUF_TYPE_META_CAPTURE:
if (unlikely(!ops->vidioc_enum_fmt_meta_cap))
break;
- ret = ops->vidioc_enum_fmt_meta_cap(file, fh, arg);
+ ret = ops->vidioc_enum_fmt_meta_cap(file, fh, p);
break;
}
+ return ret;
+}
+
+static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_fmtdesc *p = arg;
+ int ret = check_fmt(file, p->type);
+
+ if (ret)
+ return ret;
+ ret = -EINVAL;
+
+ ret = __vidioc_enum_fmt(ops, p, file, fh);
+ if (ret)
+ return ret;
+ /*
+ * Set the unordered flag and call the driver
+ * again so it has the chance to clear the flag.
+ */
+ v4l_fill_unordered_fmtdesc(p);
+ ret = __vidioc_enum_fmt(ops, p, file, fh);
if (ret == 0)
v4l_fill_fmtdesc(p);
return ret;
--
2.16.3
\
 
 \ /
  Last update: 2018-05-21 19:04    [W:0.231 / U:3.184 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site