diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-11-17 16:26:01 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-12-02 16:18:09 +0300 |
| commit | 3e8a78d13997bc559aad626dfa0fb26e50a99676 (patch) | |
| tree | 8376ff8ee90192a4f3b89347972e1598d29a678c /drivers/media/platform/vivid/vivid-vid-out.c | |
| parent | cd8adbe7013f4a0c82c29f549161588eeec13696 (diff) | |
| download | linux-3e8a78d13997bc559aad626dfa0fb26e50a99676.tar.xz | |
[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-out.c')
| -rw-r--r-- | drivers/media/platform/vivid/vivid-vid-out.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/media/platform/vivid/vivid-vid-out.c b/drivers/media/platform/vivid/vivid-vid-out.c index 078bc35571b4..ee5c3992b276 100644 --- a/drivers/media/platform/vivid/vivid-vid-out.c +++ b/drivers/media/platform/vivid/vivid-vid-out.c @@ -259,6 +259,8 @@ void vivid_update_format_out(struct vivid_dev *dev) } break; } + dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT; + dev->quantization_out = V4L2_QUANTIZATION_DEFAULT; dev->compose_out = dev->sink_rect; dev->compose_bounds_out = dev->sink_rect; dev->crop_out = dev->compose_out; @@ -318,6 +320,8 @@ int vivid_g_fmt_vid_out(struct file *file, void *priv, mp->field = dev->field_out; mp->pixelformat = dev->fmt_out->fourcc; mp->colorspace = dev->colorspace_out; + mp->ycbcr_enc = dev->ycbcr_enc_out; + mp->quantization = dev->quantization_out; mp->num_planes = dev->fmt_out->planes; for (p = 0; p < mp->num_planes; p++) { mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p]; @@ -394,16 +398,23 @@ int vivid_try_fmt_vid_out(struct file *file, void *priv, pfmt[p].sizeimage = pfmt[p].bytesperline * mp->height; memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved)); } - if (vivid_is_svid_out(dev)) + mp->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + mp->quantization = V4L2_QUANTIZATION_DEFAULT; + if (vivid_is_svid_out(dev)) { mp->colorspace = V4L2_COLORSPACE_SMPTE170M; - else if (dev->dvi_d_out || !(bt->standards & V4L2_DV_BT_STD_CEA861)) + } else if (dev->dvi_d_out || !(bt->standards & V4L2_DV_BT_STD_CEA861)) { mp->colorspace = V4L2_COLORSPACE_SRGB; - else if (bt->width == 720 && bt->height <= 576) + if (dev->dvi_d_out) + mp->quantization = V4L2_QUANTIZATION_LIM_RANGE; + } else if (bt->width == 720 && bt->height <= 576) { mp->colorspace = V4L2_COLORSPACE_SMPTE170M; - else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M && - mp->colorspace != V4L2_COLORSPACE_REC709 && - mp->colorspace != V4L2_COLORSPACE_SRGB) + } else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M && + mp->colorspace != V4L2_COLORSPACE_REC709 && + mp->colorspace != V4L2_COLORSPACE_ADOBERGB && + mp->colorspace != V4L2_COLORSPACE_BT2020 && + mp->colorspace != V4L2_COLORSPACE_SRGB) { mp->colorspace = V4L2_COLORSPACE_REC709; + } memset(mp->reserved, 0, sizeof(mp->reserved)); return 0; } @@ -522,6 +533,8 @@ int vivid_s_fmt_vid_out(struct file *file, void *priv, set_colorspace: dev->colorspace_out = mp->colorspace; + dev->ycbcr_enc_out = mp->ycbcr_enc; + dev->quantization_out = mp->quantization; if (dev->loop_video) { vivid_send_source_change(dev, SVID); vivid_send_source_change(dev, HDMI); |