android4.0.4 增加ＨＤＭＩ设置

最近到4412最基本的都调了　然后觉得没事做了　所以增加一个HDMI的设置　不能闲着

以下使用的是广州斯道的icool210开发板　源码修改如下

最开始我是先在设置里加上这些设置然后在去实现功能　这里就一起说了　之前android2.3里有HDMI设置所以这里就参照那个增加　首先修改Setting

查看libhdmi库首先查看下hdmi能设置的格式 源码路径

device/samsung/common/s5p/libhdmi/SecHdmi.cpp

你会发现有如下代码

    mHdmiResolutionValueList[0]  = 1080960;
    mHdmiResolutionValueList[1]  = 1080950;
    mHdmiResolutionValueList[2]  = 1080930;
    mHdmiResolutionValueList[3]  = 1080160;
    mHdmiResolutionValueList[4]  = 1080150;
    mHdmiResolutionValueList[5]  = 720960;
    mHdmiResolutionValueList[6]  = 720950;
    mHdmiResolutionValueList[7]  = 5769501;
    mHdmiResolutionValueList[8]  = 5769502;
    mHdmiResolutionValueList[9]  = 4809601;
    mHdmiResolutionValueList[10] = 4809602;

ResolutionValue根据这个我们大致知道了支持了格式 下面来修改Setting

源码路径 packages/apps/Settings/res/values/arrays.xml

增加如下代码

   <!-- TV Out settings. -->
    <string-array name="tv_resolution_entries">
	<item>1080P_60</item>
	<item>1080P_50</item>
	<item>1080P_30</item>
	<item>1080I_60</item>
	<item>1080I_50</item>
	<item>720P_60</item>
	<item>720P_50</item>
	<item>576P_50_16_9</item>
	<item>576P_50_4_3</item>
	<item>480P_60_16_9</item>
	<item>480P_60_4_3</item>
    </string-array>

    <!-- Do not translate. -->
    <string-array name="tv_resolution_values" translatable="false">
	<!-- Do not translate. -->
	<item>1080960</item>
	<!-- Do not translate. -->
	<item>1080950</item>
	<!-- Do not translate. -->
	<item>1080930</item>
	<!-- Do not translate. -->
	<item>1080160</item>
	<!-- Do not translate. -->
	<item>1080150</item>
	<!-- Do not translate. -->
	<item>720960</item>
	<!-- Do not translate. -->
	<item>720950</item>
	<!-- Do not translate. -->
	<item>5769501</item>
	<!-- Do not translate. -->
	<item>5769502</item>
	<!-- Do not translate. -->
	<item>4809601</item>
	<!-- Do not translate. -->
	<item>4809602</item>
    </string-array>

    <!-- TV Out settings. -->
    <string-array name="tv_hdcp_entries">
	<item>Disable</item>
	<item>Enable</item>
    </string-array>

    <!-- Do not translate. -->
	<string-array name="tv_hdcp_values" translatable="false">
	<!-- Do not translate. -->
	<item>0</item>
	<!-- Do not translate. -->
	<item>1</item>
    </string-array>

    <!-- TV Out settings. -->
    <string-array name="tv_mode_entries">
	<item>HDMI(YCbCr)</item>
	<item>HDMI(RGB)</item>
	<item>DVI</item>
    </string-array>

    <!-- Do not translate. -->
    <string-array name="tv_mode_values" translatable="false">
	<!-- Do not translate. -->
	<item>0</item>
	<!-- Do not translate. -->
	<item>1</item>
	<!-- Do not translate. -->
	<item>2</item>
    </string-array>

源码路径　packages/apps/Settings/res/values/strings.xml

增加如下内容

    <!-- Sound & display settings screen, setting option name to change TV Mode -->
    <string name="tv_mode">TV Mode</string>
    <!-- Sound & display settings screen, setting option summary to change TV Mode -->
    <string name="tv_mode_summary">Choose TV out mode</string>
    <!-- Sound & display settings screen, setting option name to change TV Resolution -->
    <string name="tv_resolution">TV Resolution</string>
    <!-- Sound & display settings screen, setting option summary to change TV Resolution -->
    <string name="tv_resolution_summary">Choose TV resolution</string>
    <!-- Sound & display settings screen, setting option name to change TV HDCP -->
    <string name="tv_hdcp">TV HDCP</string>
    <!-- Sound & display settings screen, setting option summary to change TV HDCP -->
    <string name="tv_hdcp_summary">Enable HDMI HDCP</string>

源码路径 packages/apps/Settings/res/xml/display_settings.xml

增加如下内容

		<ListPreference
			android:key="tv_mode"
			android:title="@string/tv_mode"
			android:summary="@string/tv_mode_summary"
			android:persistent="false"
			android:entries="@array/tv_mode_entries"
			android:entryValues="@array/tv_mode_values" />

		<ListPreference
			android:key="tv_resolution"
			android:title="@string/tv_resolution"
			android:summary="@string/tv_resolution_summary"
			android:persistent="false"
			android:entries="@array/tv_resolution_entries"
			android:entryValues="@array/tv_resolution_values" />

		<ListPreference
			android:key="tv_hdcp"
			android:title="@string/tv_hdcp"
			android:summary="@string/tv_hdcp_summary"
			android:persistent="false"
			android:entries="@array/tv_hdcp_entries"
			android:entryValues="@array/tv_hdcp_values" />

接着修改 framework

源码路径:frameworks/base/core/java/android/provider/Settings.java　

增加如下内容:

        /**
         * The tv out mode.
         */
        public static final String TV_MODE = "tv_mode";

        /**
         * The tv out resolution.
         */
        public static final String TV_RESOLUTION = "tv_resolution";

        /**
         * The tv out mode.
         */
        public static final String TV_HDCP = "tv_hdcp";

接着在这个文件里搜所SCREEN_OFF_TIMEOUT

会在public static final String[] SETTINGS_TO_BACKUP这个数组里找到一个　然后在它下面增加如下

            TV_MODE,
            TV_RESOLUTION,
            TV_HDCP,

按照我的理解这里应该是用来保存数据到数据库的　然后系统再次启动后设置还能保存

接着增加调用hdmi相关函数的接口 这里我是直接把2.3的拷过来然后进行的修改

创建相应目录增加以下文件frameworks/base/slsi/java/com/slsi/sec/android/HdmiService.java

内容如下

package com.slsi.sec.android;

public class HdmiService
{
    static {
        System.loadLibrary("hdmiservice_jni");
    }

    public native void setHdmiCableStatus(int status);
    public native void setHdmiMode(int mode);
    public native void setHdmiResolution(int resolution);
    public native void setHdmiHdcp(int enHdcp);
    public native void initHdmiService();
}

增加以下文件frameworks/base/slsi/jni/Android.mk

内容如下

LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)

LOCAL_SRC_FILES:= \
    com_slsi_sec_android_HdmiService.cpp \
    onload.cpp

LOCAL_C_INCLUDES += \
	$(JNI_H_INCLUDE)

LOCAL_SHARED_LIBRARIES := \
    libcutils \
    libandroid_runtime \
    libnativehelper

ifeq ($(S5P_BOARD_USES_HDMI),true)
LOCAL_C_INCLUDES += \
    device/samsung/common/s5p/libhdmi

LOCAL_SHARED_LIBRARIES += libhdmiclient

LOCAL_CFLAGS     += -DBOARD_USES_HDMI
endif

LOCAL_PRELINK_MODULE := false

ifeq ($(TARGET_SIMULATOR),true)
ifeq ($(TARGET_OS),linux)
ifeq ($(TARGET_ARCH),x86)
LOCAL_LDLIBS += -lpthread -ldl -lrt
endif
endif
endif

ifeq ($(WITH_MALLOC_LEAK_CHECK),true)
	LOCAL_CFLAGS += -DMALLOC_LEAK_CHECK
endif

LOCAL_MODULE_TAGS := optional eng
LOCAL_MODULE:= libhdmiservice_jni

include $(BUILD_SHARED_LIBRARY)

增加以下文件frameworks/base/slsi/jni/com_slsi_sec_android_HdmiService.cpp

内容如下

#define LOG_TAG "HDMIStatusService"

#include "jni.h"
#include "JNIHelp.h"
#include <cutils/log.h>

#if defined(BOARD_USES_HDMI)
#include "SecHdmiClient.h"
#endif

namespace android {

/*
 * Class:     com_slsi_sec_android_HdmiService
 * Method:    setHdmiCableStatus
 * Signature: (I)V
 */
static void com_slsi_sec_android_HdmiService_setHdmiCableStatus
  (JNIEnv *env, jobject obj, jint i)
{
    int result = 0;

#if defined(BOARD_USES_HDMI)
    //LOGD("%s HDMI status: %d", __func__, i);
    (SecHdmiClient::getInstance())->setHdmiCableStatus(i);
#else
    return;
#endif

    //return result;
}

/*
 * Class:     com_slsi_sec_android_setHdmiMode
 * Method:    setHdmiMode
 * Signature: (I)V
 */
static void com_slsi_sec_android_HdmiService_setHdmiMode
  (JNIEnv *env, jobject obj, jint i)
{
    int result = 0;

#if defined(BOARD_USES_HDMI)
    (SecHdmiClient::getInstance())->setHdmiMode(i);
#else
    return;
#endif
}

/*
 * Class:     com_slsi_sec_android_setHdmiResolution
 * Method:    setHdmiResolution
 * Signature: (I)V
 */
static void com_slsi_sec_android_HdmiService_setHdmiResolution
(JNIEnv *env, jobject obj, jint i)
{
    int result = 0;

#if defined(BOARD_USES_HDMI)
    (SecHdmiClient::getInstance())->setHdmiResolution(i);
#else
    return;
#endif
}

/*
 * Class:     com_slsi_sec_android_setHdmiHdcp
 * Method:    setHdmiHdcp
 * Signature: (I)V
 */
static void com_slsi_sec_android_HdmiService_setHdmiHdcp
(JNIEnv *env, jobject obj, jint i)
{
    int result = 0;

#if defined(BOARD_USES_HDMI)
    (SecHdmiClient::getInstance())->setHdmiHdcp(i);
#else
    return;
#endif
}

/*
 * Class:     com_slsi_sec_android_HdmiService
 * Method:    initHdmiService
 * Signature: ()V
 */
static void com_slsi_sec_android_HdmiService_initHdmiService
  (JNIEnv *env, jobject obj)
{
#if defined(BOARD_USES_HDMI)
    LOGI("%s ", __func__);
    //(SecHdmiClient::getInstance())->init();
#else
    return;
#endif
    //return result;
}

static JNINativeMethod gMethods[] = {
    {"setHdmiCableStatus", "(I)V", (void*)com_slsi_sec_android_HdmiService_setHdmiCableStatus},
    {"setHdmiMode", "(I)V", (void*)com_slsi_sec_android_HdmiService_setHdmiMode},
    {"setHdmiResolution", "(I)V", (void*)com_slsi_sec_android_HdmiService_setHdmiResolution},
    {"setHdmiHdcp", "(I)V", (void*)com_slsi_sec_android_HdmiService_setHdmiHdcp},
    {"initHdmiService", "()V", (void*)com_slsi_sec_android_HdmiService_initHdmiService},
};

int register_com_samsung_sec_android_HdmiService(JNIEnv* env)
{
     jclass clazz = env->FindClass("com/slsi/sec/android/HdmiService");

     if (clazz == NULL)
     {
         LOGE("Can't find com/slsi/sec/android/HdmiService");
         return -1;
     }

     return jniRegisterNativeMethods(env, "com/slsi/sec/android/HdmiService",
                                     gMethods, NELEM(gMethods));
}

} /* namespace android */

增加如下文件:frameworks/base/slsi/jni/onload.cpp

内容如下

#include "JNIHelp.h"
#include "jni.h"
#include "utils/Log.h"
#include "utils/misc.h"

namespace android {
int register_com_samsung_sec_android_HdmiService(JNIEnv* env);
};

using namespace android;

extern "C" jint JNI_OnLoad(JavaVM* vm, void* reserved)
{
    JNIEnv* env = NULL;
    jint result = -1;

    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
        LOGE("GetEnv failed!");
        return result;
    }
    LOG_ASSERT(env, "Could not retrieve the env!");

    if(register_com_samsung_sec_android_HdmiService(env) == -1)
        LOGE("%s register_com_samsung_sec_android_HdmiStatus is failed", __func__);

    return JNI_VERSION_1_4;
}

然后修改build/core/pathmap.mk

在FRAMEWORKS_BASE_SUBDIRS里增加slsi \

我们要让他启动的时候能能自动设置成设置的参数所以

接着修改frameworks/base/services/java/com/android/server/SystemServer.java

增加如下内容

import com.slsi.sec.android.HdmiService;
import static android.provider.Settings.System.TV_MODE;
import static android.provider.Settings.System.TV_RESOLUTION;
import static android.provider.Settings.System.TV_HDCP;

private HdmiService mHdmiService;

然后在

 mContentResolver = context.getContentResolver();

之后增加如下代码

			Slog.i(TAG, "HDMI Setting");
			mHdmiService = new HdmiService();
			mHdmiService.setHdmiMode(Settings.System.getInt(mContentResolver, TV_MODE, 0));
			mHdmiService.setHdmiResolution(Settings.System.getInt(mContentResolver, TV_RESOLUTION, 4809601));
			mHdmiService.setHdmiHdcp(Settings.System.getInt(mContentResolver, TV_HDCP, 0));

跟着最后修改Setting里的DisplaySetting

源码路径packages/apps/Settings/src/com/android/settings/DisplaySettings.java

增加如下内容

import com.slsi.sec.android.HdmiService;
import static android.provider.Settings.System.TV_MODE;
import static android.provider.Settings.System.TV_RESOLUTION;
import static android.provider.Settings.System.TV_HDCP;

    private static final String KEY_TV_MODE = "tv_mode";
    private static final String KEY_TV_RESOLUTION = "tv_resolution";
    private static final String KEY_TV_HDCP = "tv_hdcp";
    private static final int FALLBACK_TV_MODE_VALUE = 0;
    private static final int FALLBACK_TV_RESOLUTION_VALUE = 4809601;
    private static final int FALLBACK_TV_HDCP_VALUE = 0;
    private HdmiService mHdmiService;

然后在onCreate增加如下代码

        ListPreference tvModePreference =
            (ListPreference) findPreference(KEY_TV_MODE);
        tvModePreference.setValue(String.valueOf(Settings.System.getInt(
                        resolver, TV_MODE, FALLBACK_TV_MODE_VALUE)));
        tvModePreference.setOnPreferenceChangeListener(this);

        ListPreference tvResolutionPreference =
            (ListPreference) findPreference(KEY_TV_RESOLUTION);
        tvResolutionPreference.setValue(String.valueOf(Settings.System.getInt(
                        resolver, TV_RESOLUTION, FALLBACK_TV_RESOLUTION_VALUE)));
        tvResolutionPreference.setOnPreferenceChangeListener(this);

        ListPreference tvHdcpPreference =
            (ListPreference) findPreference(KEY_TV_HDCP);
        tvHdcpPreference.setValue(String.valueOf(Settings.System.getInt(
                        resolver, TV_HDCP, FALLBACK_TV_HDCP_VALUE)));
        tvHdcpPreference.setOnPreferenceChangeListener(this);
		mHdmiService = new HdmiService();

接着在onPreferenceChange函数里增加如下内容

        if (KEY_TV_MODE.equals(key)) {
            int value = Integer.parseInt((String) objValue);
            try {
                Settings.System.putInt(getContentResolver(),
                        TV_MODE, value);
            } catch (NumberFormatException e) {
                Log.e(TAG, "could not persist tv mode setting", e);
            }
            mHdmiService.setHdmiMode(value);
        }
        if (KEY_TV_RESOLUTION.equals(key)) {
            int value = Integer.parseInt((String) objValue);
            try {
                Settings.System.putInt(getContentResolver(),
                        TV_RESOLUTION, value);
            } catch (NumberFormatException e) {
                Log.e(TAG, "could not persist tv resolution setting", e);
            }
            mHdmiService.setHdmiResolution(value);
        }if (KEY_TV_HDCP.equals(key)) {
            int value = Integer.parseInt((String) objValue);
            try {
                Settings.System.putInt(getContentResolver(),
                        TV_HDCP, value);
            } catch (NumberFormatException e) {
                Log.e(TAG, "could not persist tv resolution setting", e);
            }
            mHdmiService.setHdmiHdcp(value);
        }

基本上就搞定了 最后如图所示

相关patch我也上传到了我的资源　不知道为啥没显示出来　需要的可以去下载