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Commit decc50ef authored by David Yeh's avatar David Yeh Committed by Robert Shih
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MetaData/MPEG4Writer: add language 

Bug: 21761589
Bug: 24278318
Bug: 24615792
Change-Id: Iea039047c6c63551bcb0e65de9f4b089fd2fc85d
parent 781103a0

media/libstagefright/MPEG4Writer.cpp

+6 −1
Original line number Diff line number Diff line
@@ -3259,7 +3259,12 @@ void MPEG4Writer::Track::writeMdhdBox(uint32_t now) { 
    // Each character is packed as the difference between its ASCII value and 0x60.

    // For "English", these are 00101, 01110, 00111.

    // XXX: Where is the padding bit located: 0x15C7?

    mOwner->writeInt16(0);             // language code

    const char *lang = NULL;

    int16_t langCode = 0;

    if (mMeta->findCString(kKeyMediaLanguage, &lang) && lang && strnlen(lang, 3) > 2) {

        langCode = ((lang[0] & 0x1f) << 10) | ((lang[1] & 0x1f) << 5) | (lang[2] & 0x1f);

    }

    mOwner->writeInt16(langCode);      // language code

    mOwner->writeInt16(0);             // predefined

    mOwner->endBox();

}

media/libstagefright/Utils.cpp

+10 −0
Original line number Diff line number Diff line
@@ -637,6 +637,11 @@ status_t convertMetaDataToMessage( 
        msg->setInt32("track-id", trackID);

    }



    const char *lang;

    if (meta->findCString(kKeyMediaLanguage, &lang)) {

        msg->setString("language", lang);

    }



    if (!strncasecmp("video/", mime, 6)) {

        int32_t width, height;

        if (!meta->findInt32(kKeyWidth, &width)
@@ -1273,6 +1278,11 @@ void convertMessageToMetaData(const sp<AMessage> &msg, sp<MetaData> &meta) { 
        meta->setInt32(kKeyMaxBitRate, maxBitrate);

    }



    AString lang;

    if (msg->findString("language", &lang)) {

        meta->setCString(kKeyMediaLanguage, lang.c_str());

    }



    if (mime.startsWith("video/")) {

        int32_t width;

        int32_t height;