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Merge "camera2: Fix local variable names in rgb->ycbcr conversion."

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This commit is contained in:
Ruben Brunk
2015-02-26 21:13:49 +00:00
committed by Android (Google) Code Review
parent af5d44e441 8973597944
commit 248ed8282b
1 changed files with 9 additions and 9 deletions
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18
core/jni/android_hardware_camera2_legacy_LegacyCameraDevice.cpp
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@@ -52,12 +52,12 @@ using namespace android;
* Convert from RGB 888 to Y'CbCr using the conversion specified in JFIF v1.02
*/
static void rgbToYuv420(uint8_t* rgbBuf, size_t width, size_t height, uint8_t* yPlane,
uint8_t* uPlane, uint8_t* vPlane, size_t chromaStep, size_t yStride, size_t chromaStride) {
uint8_t* crPlane, uint8_t* cbPlane, size_t chromaStep, size_t yStride, size_t chromaStride) {
uint8_t R, G, B;
size_t index = 0;
for (size_t j = 0; j < height; j++) {
uint8_t* u = uPlane;
uint8_t* v = vPlane;
uint8_t* cr = crPlane;
uint8_t* cb = cbPlane;
uint8_t* y = yPlane;
bool jEven = (j & 1) == 0;
for (size_t i = 0; i < width; i++) {
@@ -66,18 +66,18 @@ static void rgbToYuv420(uint8_t* rgbBuf, size_t width, size_t height, uint8_t* y
B = rgbBuf[index++];
*y++ = (77 * R + 150 * G + 29 * B) >> 8;
if (jEven && (i & 1) == 0) {
*v = (( -43 * R - 85 * G + 128 * B) >> 8) + 128;
*u = (( 128 * R - 107 * G - 21 * B) >> 8) + 128;
u += chromaStep;
v += chromaStep;
*cb = (( -43 * R - 85 * G + 128 * B) >> 8) + 128;
*cr = (( 128 * R - 107 * G - 21 * B) >> 8) + 128;
cr += chromaStep;
cb += chromaStep;
}
// Skip alpha
index++;
}
yPlane += yStride;
if (jEven) {
uPlane += chromaStride;
vPlane += chromaStride;
crPlane += chromaStride;
cbPlane += chromaStride;
}
}
}