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改进变焦速度计算方式

pull/9/head
Lawrence 2020-06-10 14:22:00 +08:00
parent 76a75bf3d0
commit 08af41b1dd
1 changed files with 3 additions and 5 deletions
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8
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
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@ -101,7 +101,7 @@ public class SIPCommander implements ISIPCommander {
* @param upDown 镜头上移下移 0:停止 1:上移 2:下移
* @param inOut 镜头放大缩小 0:停止 1:缩小 2:放大
* @param moveSpeed 镜头移动速度 默认 0XFF (0-255)
* @param zoomSpeed 镜头缩放速度 默认 0X1 (0-15)
* @param zoomSpeed 镜头缩放速度 默认 0X1 (0-255)
*/
public static String cmdString(int leftRight, int upDown, int inOut, int moveSpeed, int zoomSpeed) {
int cmdCode = 0;
@ -127,12 +127,10 @@ public class SIPCommander implements ISIPCommander {
strTmp = String.format("%02X", moveSpeed);
builder.append(strTmp, 0, 2);
builder.append(strTmp, 0, 2);
// strTmp = String.format("%X", zoomSpeed);
int zs=(zoomSpeed<<4 & 0XF0);
strTmp = String.format("%X", zs);
strTmp = String.format("%X", zoomSpeed);
builder.append(strTmp, 0, 1).append("0");
//计算校验码
int checkCode = (0XA5 + 0X0F + 0X01 + cmdCode + moveSpeed + moveSpeed + zs/*(zoomSpeed << 4 & 0XF0)*/) % 0X100;
int checkCode = (0XA5 + 0X0F + 0X01 + cmdCode + moveSpeed + moveSpeed + (zoomSpeed /*<< 4*/ & 0XF0)) % 0X100;
strTmp = String.format("%02X", checkCode);
builder.append(strTmp, 0, 2);
return builder.toString();