From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Add a new Xv port attribute XV_COLOR_RANGE to select the incoming YUV
quantization range. 0 means limited range (Y: 16-235, Cb/Cr: 16-240),
1 means full range (0-255).
Cc: xorg-de...@lists.x.org
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
src/sna/sna_video_textured.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/src/sna/sna_video_textured.c b/src/sna/sna_video_textured.c
index a784fe2ec0f4..a33cbc4506cb 100644
--- a/src/sna/sna_video_textured.c
+++ b/src/sna/sna_video_textured.c
@@ -36,7 +36,7 @@
#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, true)
-static Atom xvBrightness, xvContrast, xvSyncToVblank, xvColorspace;
+static Atom xvBrightness, xvContrast, xvSyncToVblank, xvColorspace,
xvColorRange;
static XvFormatRec Formats[] = {
{15}, {16}, {24}
@@ -45,6 +45,7 @@ static XvFormatRec Formats[] = {
static const XvAttributeRec Attributes[] = {
{XvSettable | XvGettable, -1, 1, (char *)"XV_SYNC_TO_VBLANK"},
{XvSettable | XvGettable, 0, 1, (char *)"XV_COLORSPACE"}, /* BT.601,
BT.709 */
+ {XvSettable | XvGettable, 0, 1, (char *)"XV_COLOR_RANGE"}, /* limited,
full */
//{XvSettable | XvGettable, -128, 127, (char *)"XV_BRIGHTNESS"},
//{XvSettable | XvGettable, 0, 255, (char *)"XV_CONTRAST"},
};
@@ -108,6 +109,11 @@ sna_video_textured_set_attribute(ddSetPortAttribute_ARGS)
return BadValue;
video->colorspace = value;
+ } else if (attribute == xvColorRange) {
+ if (value < 0 || value > 1)
+ return BadValue;
+
+ video->color_range = value;
} else
return BadMatch;
@@ -127,6 +133,8 @@ sna_video_textured_get_attribute(ddGetPortAttribute_ARGS)
*value = video->SyncToVblank;
else if (attribute == xvColorspace)
*value = video->colorspace;
+ else if (attribute == xvColorRange)
+ *value = video->color_range;
else
return BadMatch;
@@ -435,6 +443,7 @@ void sna_video_textured_setup(struct sna *sna, ScreenPtr
screen)
v->textured = true;
v->alignment = 4;
v->colorspace = 1; /* BT.709 */
+ v->color_range = 0; /* limited */
v->SyncToVblank = (sna->flags & SNA_NO_WAIT) == 0;
RegionNull(&v->clip);
@@ -456,6 +465,7 @@ void sna_video_textured_setup(struct sna *sna, ScreenPtr
screen)
xvBrightness = MAKE_ATOM("XV_BRIGHTNESS");
xvContrast = MAKE_ATOM("XV_CONTRAST");
xvColorspace = MAKE_ATOM("XV_COLORSPACE");
+ xvColorRange = MAKE_ATOM("XV_COLOR_RANGE");
xvSyncToVblank = MAKE_ATOM("XV_SYNC_TO_VBLANK");
DBG(("%s: '%s' initialized %d ports\n", __FUNCTION__, adaptor->name,
adaptor->nPorts));
--
2.16.4
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