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state_trackers/vdpau: Implement VdpGenerateCSCMatrix 

With the smpte240 profile, which was missing.

Signed-off-by: Maarten Lankhorst <m.b.lankhorst@gmail.com>
This commit is contained in:
Maarten Lankhorst 2011-10-31 10:23:03 +01:00 committed by Christian König
parent 8a7e645c9b
commit c9c6eec1c6
3 changed files with 40 additions and 2 deletions
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19
src/gallium/auxiliary/vl/vl_csc.c
View File

@ -147,6 +147,22 @@ static const float bt_709_full[16] =
0.0f, 0.0f, 0.0f, 1.0f
};
static const float smpte240m[16] =
{
1.0f, 0.0f, 1.582f, 0.0f,
1.0f, -0.228f, -0.478f, 0.0f,
1.0f, 1.833f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
};
static const float smpte240m_full[16] =
{
1.164f, 0.0f, 1.794f, 0.0f,
1.164f, -0.258f, -0.543f, 0.0f,
1.164f, 2.079f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
};
static const float identity[16] =
{
1.0f, 0.0f, 0.0f, 0.0f,
@ -188,6 +204,9 @@ void vl_csc_get_matrix(enum VL_CSC_COLOR_STANDARD cs,
case VL_CSC_COLOR_STANDARD_BT_709:
cstd = full_range ? &bt_709_full[0] : &bt_709[0];
break;
case VL_CSC_COLOR_STANDARD_SMPTE_240M:
cstd = full_range ? &smpte240m_full[0] : &smpte240m[0];
break;
case VL_CSC_COLOR_STANDARD_IDENTITY:
default:
assert(cs == VL_CSC_COLOR_STANDARD_IDENTITY);

3
src/gallium/auxiliary/vl/vl_csc.h
View File

@ -42,7 +42,8 @@ enum VL_CSC_COLOR_STANDARD
{
VL_CSC_COLOR_STANDARD_IDENTITY,
VL_CSC_COLOR_STANDARD_BT_601,
VL_CSC_COLOR_STANDARD_BT_709
VL_CSC_COLOR_STANDARD_BT_709,
VL_CSC_COLOR_STANDARD_SMPTE_240M
};
extern const struct vl_procamp vl_default_procamp;

20
src/gallium/state_trackers/vdpau/mixer.c
View File

@ -257,9 +257,27 @@ vlVdpGenerateCSCMatrix(VdpProcamp *procamp,
VdpColorStandard standard,
VdpCSCMatrix *csc_matrix)
{
VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Generating CSCMatrix\n");
float matrix[16];
enum VL_CSC_COLOR_STANDARD vl_std;
struct vl_procamp camp;
if (!(csc_matrix && procamp))
return VDP_STATUS_INVALID_POINTER;
if (procamp->struct_version > VDP_PROCAMP_VERSION)
return VDP_STATUS_INVALID_STRUCT_VERSION;
switch (standard) {
case VDP_COLOR_STANDARD_ITUR_BT_601: vl_std = VL_CSC_COLOR_STANDARD_BT_601; break;
case VDP_COLOR_STANDARD_ITUR_BT_709: vl_std = VL_CSC_COLOR_STANDARD_BT_709; break;
case VDP_COLOR_STANDARD_SMPTE_240M: vl_std = VL_CSC_COLOR_STANDARD_SMPTE_240M; break;
default: return VDP_STATUS_INVALID_COLOR_STANDARD;
}
camp.brightness = procamp->brightness;
camp.contrast = procamp->contrast;
camp.saturation = procamp->saturation;
camp.hue = procamp->hue;
vl_csc_get_matrix(vl_std, &camp, 1, matrix);
memcpy(csc_matrix, matrix, sizeof(float)*12);
return VDP_STATUS_OK;
}