xiang729 wrote:
剛剛去 Market...(恕刪)
類似的CallRecorder這幾個軟體我記得都是外錄的方式吧? (永遠比不上真正的內錄)
這種外錄方式的只要在吵一點環境接聽電話,對方的聲音幾乎就錄不太清楚了
windeasy wrote:
我不是用刷機方式刷那...(恕刪)
很高興看到有人測試成功了! 而且是在使用藍牙的狀態下!
能否請你分享你的步驟為何? 如何"替換文件"?
為什麼我會一直著重在藍牙耳機通話狀態的錄音? 請參考下列文字:
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Comment 401 by timo.witte, May 18, 2011
to all of you: Google / Android devs have already implemented the access to the call data in their SDK. The problem here is somehow the manufactor of the device. They have to implement the audiostream between the baseband processor and the application processor in there baseband software. Because this task involves some work and some audiocoding and so on, they normaly don´t implement it. So please stop flamming google, because they have done all they could on their side of the software.
Hardware is connected as following
IO (Mic / Speaker) <-> Baseband and Application processor
GSM Network <-> Baseband processor
Baseband processor <-> Application processor
so if you make a call the mic / speaker is controlled by the baseband and can´t be accesed directly by the application processor. So they have to implement the stream between baseband and application processor!!!!
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如果是拿手機通話, 錄下來的語音有可能是從 mic 上錄下來的, 可能會夾雜許多環境雜音, 但是如果是藍牙可錄, 那麼基本上它的來源應該是 audio stream, 這是數碼資料, 音質會純淨許多!
置換lib後安裝Sanity也試了，錄對方聲音很大聲也清楚，可是自己的聲音很小
啟動錄音有一定機率失敗，應該是要靠調delay來增加成功率吧
可是delay久了前面的通話就錄不到了，而且容易錄音不會自動停止
還有貼臉偵測器很容易偵測不到臉已經離開
這算是一個開始吧，期待日後會更好
置換檔案就解開zip後研究一下目錄結構就知道檔案該怎麼放
然後看一下\META-INF\com\google\android\updater-script這個檔案內容
就可以知道該做哪些動作，這邊只是單純的取代改權限而已
run_program("/sbin/busybox", "mv", "/system/lib/libaudioflinger.so", "/system/lib/libaudioflinger.soBAK");#備份原來的lib
run_program("/sbin/busybox", "mv", "/system/lib/libaudiopolicy.so", "/system/lib/libaudiopolicy.soBAK");#備份原來的lib
ui_print("Writing System..");
package_extract_dir("system", "/system");#把檔案解到對應的位置
安裝包裡權限都已經設好了，所以只需一步解包動作而已
自己置換檔案就一定要設定權限，參考備份的lib來設定就好
雖然不知道你在害羞啥?有問題就光明正大的版上討論，別人有相同問題才能一起受益，把問題PM我也沒用，會答的在討論區已經答了，發私訊問絕對不回。
czh wrote:
Call Recor...(恕刪)
對就是把zip檔解開 將 /system/lib/libaudiopolicy.so 及/system/lib/libaudioflinger.so兩個檔 提取出來 ,改權限後用RE替換原文件
Sanity 這個設定還蠻多的,建議去Google中文化的
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