diff options
| author | Vandana BN <bnvandana@gmail.com> | 2019-10-15 18:00:02 +0530 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2019-10-24 16:56:09 +0200 |
| commit | 1124bb49ad93a777430f566f2c93edcddfabf13e (patch) | |
| tree | d90ba6a0733420c8559d83415e280f9b31fcb003 /utils/v4l2-ctl/v4l2-ctl-meta.cpp | |
| parent | fc60175e5d5dbcbdb4e420bb58e6529e4b9e61a2 (diff) | |
v4l2-ctl: support for metadata output
Adds support to test metadata output format V4L2_META_FMT_VIVID.
Signed-off-by: Vandana BN <bnvandana@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'utils/v4l2-ctl/v4l2-ctl-meta.cpp')
| -rw-r--r-- | utils/v4l2-ctl/v4l2-ctl-meta.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/utils/v4l2-ctl/v4l2-ctl-meta.cpp b/utils/v4l2-ctl/v4l2-ctl-meta.cpp index eae7438f..b1288297 100644 --- a/utils/v4l2-ctl/v4l2-ctl-meta.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-meta.cpp @@ -139,10 +139,18 @@ struct vivid_uvc_meta_buf { #define UVC_STREAM_SCR (1 << 3) #define UVC_STREAM_PTS (1 << 2) +struct vivid_meta_out_buf { + __u16 brightness; + __u16 contrast; + __u16 saturation; + __s16 hue; +}; + void print_meta_buffer(FILE *f, cv4l_buffer &buf, cv4l_fmt &fmt, cv4l_queue &q) { struct vivid_uvc_meta_buf *vbuf; int buf_off = 0; + struct vivid_meta_out_buf *vbuf_out; switch (fmt.g_pixelformat()) { case V4L2_META_FMT_UVC: @@ -164,5 +172,28 @@ void print_meta_buffer(FILE *f, cv4l_buffer &buf, cv4l_fmt &fmt, cv4l_queue &q) le16toh(*(__u16*)(vbuf->buf + buf_off + 4))); fprintf(f, "\n"); break; + case V4L2_META_FMT_VIVID: + fprintf(f, "VIVID:"); + vbuf_out = (vivid_meta_out_buf *)q.g_dataptr(buf.g_index(), 0); + + fprintf(f, " brightness: %u contrast: %u saturation: %u hue: %d\n", + vbuf_out->brightness, vbuf_out->contrast, + vbuf_out->saturation, vbuf_out->hue); + break; + } +} + +void meta_fillbuffer(cv4l_buffer &buf, cv4l_fmt &fmt, cv4l_queue &q) +{ + struct vivid_meta_out_buf *vbuf; + + switch (fmt.g_pixelformat()) { + case V4L2_META_FMT_VIVID: + vbuf = (vivid_meta_out_buf *)q.g_dataptr(buf.g_index(), 0); + vbuf->brightness = buf.g_sequence() % 192 + 64; + vbuf->contrast = (buf.g_sequence() + 10) % 192 + 64; + vbuf->saturation = (buf.g_sequence() + 20) % 256; + vbuf->hue = buf.g_sequence() % 257 - 128; + break; } } |