diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-11-17 10:26:01 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-12-02 11:18:09 -0200 |
commit | 3e8a78d13997bc559aad626dfa0fb26e50a99676 (patch) | |
tree | 8376ff8ee90192a4f3b89347972e1598d29a678c /drivers/media/platform/vivid/vivid-vid-cap.c | |
parent | cd8adbe7013f4a0c82c29f549161588eeec13696 (diff) | |
download | blackbird-op-linux-3e8a78d13997bc559aad626dfa0fb26e50a99676.tar.gz blackbird-op-linux-3e8a78d13997bc559aad626dfa0fb26e50a99676.zip |
[media] vivid: add support for YCbCr encoding and quantization
Implement controls to set the YCbCr encoding and the quantization
range for the colorspace.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform/vivid/vivid-vid-cap.c')
-rw-r--r-- | drivers/media/platform/vivid/vivid-vid-cap.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c index 923a4f854eba..867a29a6d18f 100644 --- a/drivers/media/platform/vivid/vivid-vid-cap.c +++ b/drivers/media/platform/vivid/vivid-vid-cap.c @@ -498,6 +498,20 @@ static unsigned vivid_colorspace_cap(struct vivid_dev *dev) return dev->colorspace_out; } +static unsigned vivid_ycbcr_enc_cap(struct vivid_dev *dev) +{ + if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev)) + return tpg_g_ycbcr_enc(&dev->tpg); + return dev->ycbcr_enc_out; +} + +static unsigned vivid_quantization_cap(struct vivid_dev *dev) +{ + if (!dev->loop_video || vivid_is_webcam(dev) || vivid_is_tv_cap(dev)) + return tpg_g_quantization(&dev->tpg); + return dev->quantization_out; +} + int vivid_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { @@ -510,6 +524,8 @@ int vivid_g_fmt_vid_cap(struct file *file, void *priv, mp->field = dev->field_cap; mp->pixelformat = dev->fmt_cap->fourcc; mp->colorspace = vivid_colorspace_cap(dev); + mp->ycbcr_enc = vivid_ycbcr_enc_cap(dev); + mp->quantization = vivid_quantization_cap(dev); mp->num_planes = dev->fmt_cap->planes; for (p = 0; p < mp->num_planes; p++) { mp->plane_fmt[p].bytesperline = tpg_g_bytesperline(&dev->tpg, p); @@ -595,6 +611,8 @@ int vivid_try_fmt_vid_cap(struct file *file, void *priv, memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved)); } mp->colorspace = vivid_colorspace_cap(dev); + mp->ycbcr_enc = vivid_ycbcr_enc_cap(dev); + mp->quantization = vivid_quantization_cap(dev); memset(mp->reserved, 0, sizeof(mp->reserved)); return 0; } |