kopia lustrzana https://github.com/sh123/codec2_talkie
Audio tuning
rodzic
67f5a7581e
commit
5aaeb4fda7
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@ -112,7 +112,7 @@ public class Hdlc implements Protocol {
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//Log.i(TAG, "checksum: " + calculatedCrc + " " + packetCrc);
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if (calculatedCrc == packetCrc) {
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Log.i(TAG, DebugTools.byteBitsToString(packetBits));
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Log.i(TAG, DebugTools.bytesToHex(packetBytes));
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Log.i(TAG, "RX: " + DebugTools.bytesToHex(packetBytes));
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Log.i(TAG, "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
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_parentProtocolCallback.onReceiveCompressedAudio(null, null, -1, contentBytes);
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}
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@ -164,7 +164,7 @@ public class Hdlc implements Protocol {
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buffer.flip();
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byte[] data = new byte[buffer.remaining()];
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buffer.get(data);
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Log.i(TAG, DebugTools.bytesToHex(data));
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Log.i(TAG, "TX: " + DebugTools.bytesToHex(data));
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byte[] dataBytesAsBits = BitTools.convertToHDLCBitArray(data, true);
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@ -8,6 +8,7 @@ import android.media.AudioRecord;
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import android.media.AudioTrack;
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import android.media.MediaRecorder;
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import android.os.Debug;
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import android.os.Process;
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import android.util.Log;
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import androidx.preference.PreferenceManager;
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@ -74,7 +75,7 @@ public class SoundModem implements Transport, Runnable {
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constructSystemAudioDevices();
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if (_isLoopback)
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_sampleBuffer = ByteBuffer.allocate(1000000 );
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_sampleBuffer = ByteBuffer.allocate(1000000);
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else
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_sampleBuffer = ByteBuffer.allocate(0);
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@ -87,7 +88,7 @@ public class SoundModem implements Transport, Runnable {
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AudioFormat.CHANNEL_IN_MONO,
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AudioFormat.ENCODING_PCM_16BIT);
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int audioSource = MediaRecorder.AudioSource.MIC;
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int audioSource = MediaRecorder.AudioSource.UNPROCESSED;
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_systemAudioRecorder = new AudioRecord(
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audioSource,
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AUDIO_SAMPLE_SIZE,
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@ -167,7 +168,6 @@ public class SoundModem implements Transport, Runnable {
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// process tail
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byte [] bitBufferTail = Arrays.copyOf(_playbackBitBuffer, j);
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Codec2.fskModulate(_fskModem, _playbackAudioBuffer, bitBufferTail);
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_systemAudioPlayer.write(_playbackAudioBuffer, 0, bitBufferTail.length * _samplesPerSymbol);
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if (_isLoopback) {
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synchronized (_sampleBuffer) {
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for (short sample : _playbackAudioBuffer) {
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@ -194,12 +194,19 @@ public class SoundModem implements Transport, Runnable {
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@Override
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public void run() {
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byte prevBit = 0;
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android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_URGENT_AUDIO);
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while (_isRunning) {
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int nin = Codec2.fskNin(_fskModem);
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try {
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Thread.sleep(10);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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// TODO, take readCnt into account, do not read if playback is active
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if (_isLoopback) {
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synchronized (_sampleBuffer) {
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if (_sampleBuffer.position() / 2 >= nin) {
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Log.i(TAG, "" + nin + " " + _sampleBuffer.position() / 2);
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_sampleBuffer.flip();
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for (int i = 0; i < nin; i++) {
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_recordAudioBuffer[i] = _sampleBuffer.getShort();
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@ -211,6 +218,9 @@ public class SoundModem implements Transport, Runnable {
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}
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} else {
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int readCnt = _systemAudioRecorder.read(_recordAudioBuffer, 0, nin);
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if (readCnt != nin) {
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Log.i(TAG, "" + readCnt + " " + nin);
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}
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}
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//Log.i(TAG, "! " + AudioTools.getSampleLevelDb(Arrays.copyOf(_recordAudioBuffer, Codec2.fskNin(_fskModem))));
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//Log.i(TAG, DebugTools.shortsToHex(_recordAudioBuffer));
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@ -219,7 +229,7 @@ public class SoundModem implements Transport, Runnable {
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//Log.i(TAG, "----- " + DebugTools.byteBitsToFlatString(_recordBitBuffer));
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//Log.i(TAG, "----- " + DebugTools.byteBitsToFlatString(BitTools.convertFromNRZI(_recordBitBuffer, prevBit)));
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//Log.i(TAG, "== " + DebugTools.byteBitsToString(BitTools.convertFromNRZI(_recordBitBuffer, prevLastBit)));
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//Log.i(TAG, "== " + DebugTools.byteBitsToString(BitTools.convertFromNRZI(_recordBitBuffer, prevBit)));
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synchronized (_bitBuffer) {
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try {
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_bitBuffer.put(BitTools.convertFromNRZI(_recordBitBuffer, prevBit));
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@ -74,7 +74,6 @@ namespace Java_com_ustadmobile_codec2_Codec2 {
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conFsk->demodBits = (uint8_t*)malloc(sizeof(uint8_t) * fsk->Nbits);
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conFsk->demodBuf = (int16_t*)malloc(sizeof(short) * (fsk->N + 2 * fsk->Ts));
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//fsk_set_freq_est_limits(fsk, 500, 2700);
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fsk_set_freq_est_limits(fsk, 0, sampleFrequency / 2);
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fsk_set_freq_est_alg(fsk, 0);
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@ -187,7 +186,7 @@ namespace Java_com_ustadmobile_codec2_Codec2 {
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ContextFsk *conFsk = getContextFsk(n);
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env->GetShortArrayRegion(inputSamples, 0, conFsk->N, reinterpret_cast<jshort*>(conFsk->demodBuf));
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for(int i = 0; i < fsk_nin(conFsk->fsk); i++){
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conFsk->demodCBuf[i].real = ((float)conFsk->demodBuf[i]) / FDMDV_SCALE;
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conFsk->demodCBuf[i].real = ((float)conFsk->demodBuf[i]) / FDMDV_SCALE ;
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conFsk->demodCBuf[i].imag = 0.0;
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}
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fsk_demod(conFsk->fsk, conFsk->demodBits, conFsk->demodCBuf);
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