【第四篇章-android平台MediaCodec】判斷是否支援硬解碼代碼

標籤：android平台   mediacodec   判斷硬解碼   

public boolean isSupportMediaCodecHardDecoder(){    boolean isHardcode = false;    //讀取系統設定檔/system/etc/media_codecc.xml    File file = new File("/system/etc/media_codecs.xml");    InputStream inFile = null;    try {      in = new FileInputStream(file);    } catch (Exception e) {        // TODO: handle exception    }    if(inFile != null) {         XmlPullParserFactory pullFactory;        try {            pullFactory = XmlPullParserFactory.newInstance();            XmlPullParser xmlPullParser = pullFactory.newPullParser();            xmlPullParser.setInput(in, "UTF-8");            int eventType = xmlPullParser.getEventType();            while (eventType != XmlPullParser.END_DOCUMENT) {                String tagName = xmlPullParser.getName();                switch (eventType) {                case XmlPullParser.START_TAG:                    if ("MediaCodec".equals(tagName)) {                        String componentName = xmlPullParser.getAttributeValue(0);                        if(componentName.startsWith("OMX."))                        {                            if(!componentName.startsWith("OMX.google."))                            {                                isHardcode = true;                            }                        }                    }                }                eventType = xmlPullParser.next();            }        } catch (Exception e) {            // TODO: handle exception        }    }    return isHardcode;}

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【第四篇章-android平台MediaCodec】判斷是否支援硬解碼代碼