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Ignore maximum values when computing the depth.

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This commit is contained in:
Andrzej Kapolka 2013-07-29 18:26:51 -07:00
parent 9c0e29b5e6
commit 3b4a4daec3
1 changed files with 6 additions and 5 deletions
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11
interface/src/Webcam.cpp
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@ -587,10 +587,12 @@ void FrameGrabber::grabFrame() {
qint64 depthTotal = 0;
qint64 depthSamples = 0;
ushort* src = _faceDepth.ptr<ushort>();
const ushort ELEVEN_BIT_MINIMUM = 0;
const ushort ELEVEN_BIT_MAXIMUM = 2047;
for (int i = 0; i < ENCODED_FACE_HEIGHT; i++) {
for (int j = 0; j < ENCODED_FACE_WIDTH; j++) {
ushort depth = *src++;
if (depth != 0) {
if (depth != ELEVEN_BIT_MINIMUM && depth != ELEVEN_BIT_MAXIMUM) {
depthTotal += depth;
depthSamples++;
}
@ -610,14 +612,13 @@ void FrameGrabber::grabFrame() {
// likewise for the encoded representation
uchar* yline = (uchar*)_encodedFace.data() + vpxImage.stride[0] * ENCODED_FACE_HEIGHT;
src = _faceDepth.ptr<ushort>();
const char UNKNOWN_DEPTH = 0;
const char MAXIMUM_DEPTH = 255;
const char EIGHT_BIT_MAXIMUM = 255;
for (int i = 0; i < ENCODED_FACE_HEIGHT; i++) {
uchar* ydest = yline;
for (int j = 0; j < ENCODED_FACE_WIDTH; j++) {
ushort depth = *src++;
if (depth == UNKNOWN_DEPTH) {
*ydest++ = MAXIMUM_DEPTH;
if (depth == ELEVEN_BIT_MINIMUM) {
*ydest++ = EIGHT_BIT_MAXIMUM;
} else {
*ydest++ = saturate_cast<uchar>(depth + _depthOffset);