Examples with AACADTSPacketizer net.majorkernelpanic.streaming.rtp.AACADTSPacketizer used on opensource projects

Example 1 with AACADTSPacketizer

use of net.majorkernelpanic.streaming.rtp.AACADTSPacketizer in project libstreaming by fyhertz.

the class AACStream method configure.

public synchronized void configure() throws IllegalStateException, IOException {
    super.configure();
    mQuality = mRequestedQuality.clone();
    // Checks if the user has supplied an exotic sampling rate
    int i = 0;
    for (; i < AUDIO_SAMPLING_RATES.length; i++) {
        if (AUDIO_SAMPLING_RATES[i] == mQuality.samplingRate) {
            mSamplingRateIndex = i;
            break;
        }
    }
    // If he did, we force a reasonable one: 16 kHz
    if (i > 12)
        mQuality.samplingRate = 16000;
    if (mMode != mRequestedMode || mPacketizer == null) {
        mMode = mRequestedMode;
        if (mMode == MODE_MEDIARECORDER_API) {
            mPacketizer = new AACADTSPacketizer();
        } else {
            mPacketizer = new AACLATMPacketizer();
        }
        mPacketizer.setDestination(mDestination, mRtpPort, mRtcpPort);
        mPacketizer.getRtpSocket().setOutputStream(mOutputStream, mChannelIdentifier);
    }
    if (mMode == MODE_MEDIARECORDER_API) {
        testADTS();
        // All the MIME types parameters used here are described in RFC 3640
        // SizeLength: 13 bits will be enough because ADTS uses 13 bits for frame length
        // config: contains the object type + the sampling rate + the channel number
        // TODO: streamType always 5 ? profile-level-id always 15 ?
        mSessionDescription = "m=audio " + String.valueOf(getDestinationPorts()[0]) + " RTP/AVP 96\r\n" + "a=rtpmap:96 mpeg4-generic/" + mQuality.samplingRate + "\r\n" + "a=fmtp:96 streamtype=5; profile-level-id=15; mode=AAC-hbr; config=" + Integer.toHexString(mConfig) + "; SizeLength=13; IndexLength=3; IndexDeltaLength=3;\r\n";
    } else {
        // AAC LC
        mProfile = 2;
        mChannel = 1;
        mConfig = (mProfile & 0x1F) << 11 | (mSamplingRateIndex & 0x0F) << 7 | (mChannel & 0x0F) << 3;
        mSessionDescription = "m=audio " + String.valueOf(getDestinationPorts()[0]) + " RTP/AVP 96\r\n" + "a=rtpmap:96 mpeg4-generic/" + mQuality.samplingRate + "\r\n" + "a=fmtp:96 streamtype=5; profile-level-id=15; mode=AAC-hbr; config=" + Integer.toHexString(mConfig) + "; SizeLength=13; IndexLength=3; IndexDeltaLength=3;\r\n";
    }
}