| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Test program to record from default audio input and playback to default audio output. |
| // It will generate feedback (Larsen effect) if played through on-device speakers, |
| // or acts as a delay if played through headset. |
| |
| #include <SLES/OpenSLES.h> |
| #include <SLES/OpenSLES_Android.h> |
| #include <assert.h> |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <audio_utils/fifo.h> |
| #include <audio_utils/sndfile.h> |
| |
| #define ASSERT_EQ(x, y) do { if ((x) == (y)) ; else { fprintf(stderr, "0x%x != 0x%x\n", \ |
| (unsigned) (x), (unsigned) (y)); assert((x) == (y)); } } while (0) |
| |
| // default values |
| static SLuint32 rxBufCount = 2; // -r# |
| static SLuint32 txBufCount = 2; // -t# |
| static SLuint32 bufSizeInFrames = 240; // -f# |
| static SLuint32 channels = 1; // -c# |
| static SLuint32 sampleRate = 48000; // -s# |
| static SLuint32 exitAfterSeconds = 60; // -e# |
| static SLuint32 freeBufCount = 0; // calculated |
| static SLuint32 bufSizeInBytes = 0; // calculated |
| |
| // Storage area for the buffer queues |
| static char **rxBuffers; |
| static char **txBuffers; |
| static char **freeBuffers; |
| |
| // Buffer indices |
| static SLuint32 rxFront; // oldest recording |
| static SLuint32 rxRear; // next to be recorded |
| static SLuint32 txFront; // oldest playing |
| static SLuint32 txRear; // next to be played |
| static SLuint32 freeFront; // oldest free |
| static SLuint32 freeRear; // next to be freed |
| |
| static SLAndroidSimpleBufferQueueItf recorderBufferQueue; |
| static SLBufferQueueItf playerBufferQueue; |
| |
| static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; |
| |
| static audio_utils_fifo *fifo; |
| static audio_utils_fifo_reader *fifoReader; |
| static audio_utils_fifo_writer *fifoWriter; |
| |
| static audio_utils_fifo *fifo2; |
| static short *fifo2Buffer = NULL; |
| static audio_utils_fifo_reader *fifo2Reader; |
| static audio_utils_fifo_writer *fifo2Writer; |
| |
| static int injectImpulse; |
| |
| // Called after audio recorder fills a buffer with data |
| static void recorderCallback(SLAndroidSimpleBufferQueueItf caller __unused, void *context __unused) |
| { |
| SLresult result; |
| |
| pthread_mutex_lock(&mutex); |
| |
| // We should only be called when a recording buffer is done |
| assert(rxFront <= rxBufCount); |
| assert(rxRear <= rxBufCount); |
| assert(rxFront != rxRear); |
| char *buffer = rxBuffers[rxFront]; |
| |
| // Remove buffer from record queue |
| if (++rxFront > rxBufCount) { |
| rxFront = 0; |
| } |
| |
| #if 1 |
| ssize_t actual = fifoWriter->write(buffer, (size_t) bufSizeInFrames); |
| if (actual != (ssize_t) bufSizeInFrames) { |
| write(1, "?", 1); |
| } |
| |
| // This is called by a realtime (SCHED_FIFO) thread, |
| // and it is unsafe to do I/O as it could block for unbounded time. |
| // Flash filesystem is especially notorious for blocking. |
| if (fifo2Buffer != NULL) { |
| actual = fifo2Writer->write(buffer, (size_t) bufSizeInFrames); |
| if (actual != (ssize_t) bufSizeInFrames) { |
| write(1, "?", 1); |
| } |
| } |
| |
| // Enqueue this same buffer for the recorder to fill again. |
| result = (*recorderBufferQueue)->Enqueue(recorderBufferQueue, buffer, bufSizeInBytes); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| // Update our model of the record queue |
| SLuint32 rxRearNext = rxRear+1; |
| if (rxRearNext > rxBufCount) { |
| rxRearNext = 0; |
| } |
| assert(rxRearNext != rxFront); |
| rxBuffers[rxRear] = buffer; |
| rxRear = rxRearNext; |
| |
| #else |
| // Enqueue the just-filled buffer for the player |
| result = (*playerBufferQueue)->Enqueue(playerBufferQueue, buffer, bufSizeInBytes); |
| if (SL_RESULT_SUCCESS == result) { |
| |
| // There was room in the play queue, update our model of it |
| assert(txFront <= txBufCount); |
| assert(txRear <= txBufCount); |
| SLuint32 txRearNext = txRear+1; |
| if (txRearNext > txBufCount) { |
| txRearNext = 0; |
| } |
| assert(txRearNext != txFront); |
| txBuffers[txRear] = buffer; |
| txRear = txRearNext; |
| |
| } else { |
| |
| // Here if record has a filled buffer to play, but play queue is full. |
| assert(SL_RESULT_BUFFER_INSUFFICIENT == result); |
| write(1, "?", 1); |
| |
| // We could either try again later, or discard. For now we discard and re-use buffer. |
| // Enqueue this same buffer for the recorder to fill again. |
| result = (*recorderBufferQueue)->Enqueue(recorderBufferQueue, buffer, bufSizeInBytes); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| // Update our model of the record queue |
| SLuint32 rxRearNext = rxRear+1; |
| if (rxRearNext > rxBufCount) { |
| rxRearNext = 0; |
| } |
| assert(rxRearNext != rxFront); |
| rxBuffers[rxRear] = buffer; |
| rxRear = rxRearNext; |
| |
| } |
| #endif |
| |
| pthread_mutex_unlock(&mutex); |
| } |
| |
| |
| // Called after audio player empties a buffer of data |
| static void playerCallback(SLBufferQueueItf caller __unused, void *context __unused) |
| { |
| SLresult result; |
| |
| pthread_mutex_lock(&mutex); |
| |
| // Get the buffer that just finished playing |
| assert(txFront <= txBufCount); |
| assert(txRear <= txBufCount); |
| assert(txFront != txRear); |
| char *buffer = txBuffers[txFront]; |
| if (++txFront > txBufCount) { |
| txFront = 0; |
| } |
| |
| #if 1 |
| ssize_t actual = fifoReader->read(buffer, bufSizeInFrames); |
| if (actual != (ssize_t) bufSizeInFrames) { |
| write(1, "/", 1); |
| // on underrun from pipe, substitute silence |
| memset(buffer, 0, bufSizeInFrames * channels * sizeof(short)); |
| } |
| |
| if (injectImpulse == -1) { |
| // Experimentally, a single frame impulse was insufficient to trigger feedback. |
| // Also a Nyquist frequency signal was also insufficient, probably because |
| // the response of output and/or input path was not adequate at high frequencies. |
| // This short burst of a few cycles of square wave at Nyquist/4 was found to work well. |
| for (unsigned i = 0; i < bufSizeInFrames / 8; i += 8) { |
| for (int j = 0; j < 8; j++) { |
| for (unsigned k = 0; k < channels; k++) { |
| ((short *)buffer)[(i+j)*channels+k] = j < 4 ? 0x7FFF : 0x8000; |
| } |
| } |
| } |
| injectImpulse = 0; |
| } |
| |
| // Enqueue the filled buffer for playing |
| result = (*playerBufferQueue)->Enqueue(playerBufferQueue, buffer, bufSizeInBytes); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| // Update our model of the player queue |
| assert(txFront <= txBufCount); |
| assert(txRear <= txBufCount); |
| SLuint32 txRearNext = txRear+1; |
| if (txRearNext > txBufCount) { |
| txRearNext = 0; |
| } |
| assert(txRearNext != txFront); |
| txBuffers[txRear] = buffer; |
| txRear = txRearNext; |
| |
| #else |
| // First try to enqueue the free buffer for recording |
| result = (*recorderBufferQueue)->Enqueue(recorderBufferQueue, buffer, bufSizeInBytes); |
| if (SL_RESULT_SUCCESS == result) { |
| |
| // There was room in the record queue, update our model of it |
| assert(rxFront <= rxBufCount); |
| assert(rxRear <= rxBufCount); |
| SLuint32 rxRearNext = rxRear+1; |
| if (rxRearNext > rxBufCount) { |
| rxRearNext = 0; |
| } |
| assert(rxRearNext != rxFront); |
| rxBuffers[rxRear] = buffer; |
| rxRear = rxRearNext; |
| |
| } else { |
| |
| // Here if record queue is full |
| assert(SL_RESULT_BUFFER_INSUFFICIENT == result); |
| |
| // Instead enqueue the free buffer on the free queue |
| assert(freeFront <= freeBufCount); |
| assert(freeRear <= freeBufCount); |
| SLuint32 freeRearNext = freeRear+1; |
| if (freeRearNext > freeBufCount) { |
| freeRearNext = 0; |
| } |
| // There must always be room in the free queue |
| assert(freeRearNext != freeFront); |
| freeBuffers[freeRear] = buffer; |
| freeRear = freeRearNext; |
| |
| } |
| #endif |
| |
| pthread_mutex_unlock(&mutex); |
| } |
| |
| // Main program |
| int main(int argc, char **argv) |
| { |
| const char *outFileName = NULL; |
| // process command-line options |
| int i; |
| for (i = 1; i < argc; ++i) { |
| char *arg = argv[i]; |
| if (arg[0] != '-') { |
| break; |
| } |
| // -r# number of slots in receive buffer queue |
| if (!strncmp(arg, "-r", 2)) { |
| rxBufCount = atoi(&arg[2]); |
| if (rxBufCount < 1 || rxBufCount > 16) { |
| fprintf(stderr, "%s: unusual receive buffer queue size (%u buffers)\n", argv[0], |
| (unsigned) rxBufCount); |
| } |
| // -t# number of slots in transmit buffer queue |
| } else if (!strncmp(arg, "-t", 2)) { |
| txBufCount = atoi(&arg[2]); |
| if (txBufCount < 1 || txBufCount > 16) { |
| fprintf(stderr, "%s: unusual transmit buffer queue size (%u buffers)\n", argv[0], |
| (unsigned) txBufCount); |
| } |
| // -f# size of each buffer in frames |
| } else if (!strncmp(arg, "-f", 2)) { |
| bufSizeInFrames = atoi(&arg[2]); |
| if (bufSizeInFrames == 0) { |
| fprintf(stderr, "%s: unusual buffer size (%u frames)\n", argv[0], |
| (unsigned) bufSizeInFrames); |
| } |
| // -c1 mono or -c2 stereo |
| } else if (!strncmp(arg, "-c", 2)) { |
| channels = atoi(&arg[2]); |
| if (channels < 1 || channels > 2) { |
| fprintf(stderr, "%s: unusual channel count ignored (%u)\n", argv[0], |
| (unsigned) channels); |
| channels = 2; |
| } |
| // -s# sample rate in Hz |
| } else if (!strncmp(arg, "-s", 2)) { |
| sampleRate = atoi(&arg[2]); |
| switch (sampleRate) { |
| case 8000: |
| case 11025: |
| case 12000: |
| case 16000: |
| case 22050: |
| case 24000: |
| case 32000: |
| case 44100: |
| case 48000: |
| break; |
| default: |
| fprintf(stderr, "%s: unusual sample rate (%u Hz)\n", argv[0], |
| (unsigned) sampleRate); |
| break; |
| } |
| // -e# exit after this many seconds |
| } else if (!strncmp(arg, "-e", 2)) { |
| exitAfterSeconds = atoi(&arg[2]); |
| // -ofile log to output file also |
| } else if (!strncmp(arg, "-o", 2)) { |
| outFileName = &arg[2]; |
| // -i# inject an impulse after # milliseconds |
| } else if (!strncmp(arg, "-i", 2)) { |
| injectImpulse = atoi(&arg[2]); |
| } else |
| fprintf(stderr, "%s: unknown option %s\n", argv[0], arg); |
| } |
| // no other arguments allowed |
| if (i < argc) { |
| fprintf(stderr, "usage: %s -r# -t# -f# -s# -c# -i# -ofile\n", argv[0]); |
| fprintf(stderr, " -r# receive buffer queue count for microphone input, default 1\n"); |
| fprintf(stderr, " -t# transmit buffer queue count for speaker output, default 2\n"); |
| fprintf(stderr, " -f# number of frames per buffer, default 512\n"); |
| fprintf(stderr, " -s# sample rate in Hz, default 44100\n"); |
| fprintf(stderr, " -c1 mono\n"); |
| fprintf(stderr, " -c2 stereo, default\n"); |
| fprintf(stderr, " -i# inject impulse after # milliseconds\n"); |
| fprintf(stderr, " -ofile log input to specified .wav file also\n"); |
| } |
| |
| // compute total free buffers as -r plus -t |
| freeBufCount = rxBufCount + txBufCount; |
| // compute buffer size |
| bufSizeInBytes = channels * bufSizeInFrames * sizeof(short); |
| |
| // Initialize free buffers |
| freeBuffers = (char **) calloc(freeBufCount+1, sizeof(char *)); |
| unsigned j; |
| for (j = 0; j < freeBufCount; ++j) { |
| freeBuffers[j] = (char *) malloc(bufSizeInBytes); |
| } |
| freeFront = 0; |
| freeRear = freeBufCount; |
| freeBuffers[j] = NULL; |
| |
| // Initialize record queue |
| rxBuffers = (char **) calloc(rxBufCount+1, sizeof(char *)); |
| rxFront = 0; |
| rxRear = 0; |
| |
| // Initialize play queue |
| txBuffers = (char **) calloc(txBufCount+1, sizeof(char *)); |
| txFront = 0; |
| txRear = 0; |
| |
| size_t frameSize = channels * sizeof(short); |
| #define FIFO_FRAMES 1024 |
| short *fifoBuffer = new short[FIFO_FRAMES * channels]; |
| fifo = new audio_utils_fifo(FIFO_FRAMES, frameSize, fifoBuffer); |
| fifoReader = new audio_utils_fifo_reader(*fifo, true /*throttlesWriter*/); |
| fifoWriter = new audio_utils_fifo_writer(*fifo); |
| |
| SNDFILE *sndfile; |
| if (outFileName != NULL) { |
| // create .wav writer |
| SF_INFO info; |
| info.frames = 0; |
| info.samplerate = sampleRate; |
| info.channels = channels; |
| info.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16; |
| sndfile = sf_open(outFileName, SFM_WRITE, &info); |
| if (sndfile != NULL) { |
| #define FIFO2_FRAMES 65536 |
| fifo2Buffer = new short[FIFO2_FRAMES * channels]; |
| fifo2 = new audio_utils_fifo(FIFO2_FRAMES, frameSize, fifo2Buffer); |
| fifo2Reader = new audio_utils_fifo_reader(*fifo2, true /*throttlesWriter*/); |
| fifo2Writer = new audio_utils_fifo_writer(*fifo2); |
| } else { |
| fprintf(stderr, "sf_open failed\n"); |
| } |
| } else { |
| sndfile = NULL; |
| } |
| |
| SLresult result; |
| |
| // create engine |
| SLObjectItf engineObject; |
| result = slCreateEngine(&engineObject, 0, NULL, 0, NULL, NULL); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| SLEngineItf engineEngine; |
| result = (*engineObject)->GetInterface(engineObject, SL_IID_ENGINE, &engineEngine); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| // create output mix |
| SLObjectItf outputmixObject; |
| result = (*engineEngine)->CreateOutputMix(engineEngine, &outputmixObject, 0, NULL, NULL); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| result = (*outputmixObject)->Realize(outputmixObject, SL_BOOLEAN_FALSE); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| // create an audio player with buffer queue source and output mix sink |
| SLDataSource audiosrc; |
| SLDataSink audiosnk; |
| SLDataFormat_PCM pcm; |
| SLDataLocator_OutputMix locator_outputmix; |
| SLDataLocator_BufferQueue locator_bufferqueue_tx; |
| locator_bufferqueue_tx.locatorType = SL_DATALOCATOR_BUFFERQUEUE; |
| locator_bufferqueue_tx.numBuffers = txBufCount; |
| locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX; |
| locator_outputmix.outputMix = outputmixObject; |
| pcm.formatType = SL_DATAFORMAT_PCM; |
| pcm.numChannels = channels; |
| pcm.samplesPerSec = sampleRate * 1000; |
| pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16; |
| pcm.containerSize = 16; |
| pcm.channelMask = channels == 1 ? SL_SPEAKER_FRONT_CENTER : |
| (SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT); |
| pcm.endianness = SL_BYTEORDER_LITTLEENDIAN; |
| audiosrc.pLocator = &locator_bufferqueue_tx; |
| audiosrc.pFormat = &pcm; |
| audiosnk.pLocator = &locator_outputmix; |
| audiosnk.pFormat = NULL; |
| SLObjectItf playerObject = NULL; |
| SLObjectItf recorderObject = NULL; |
| SLInterfaceID ids_tx[1] = {SL_IID_BUFFERQUEUE}; |
| SLboolean flags_tx[1] = {SL_BOOLEAN_TRUE}; |
| result = (*engineEngine)->CreateAudioPlayer(engineEngine, &playerObject, &audiosrc, &audiosnk, |
| 1, ids_tx, flags_tx); |
| if (SL_RESULT_CONTENT_UNSUPPORTED == result) { |
| fprintf(stderr, "Could not create audio player (result %x), check sample rate\n", result); |
| goto cleanup; |
| } |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| result = (*playerObject)->Realize(playerObject, SL_BOOLEAN_FALSE); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| SLPlayItf playerPlay; |
| result = (*playerObject)->GetInterface(playerObject, SL_IID_PLAY, &playerPlay); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| result = (*playerObject)->GetInterface(playerObject, SL_IID_BUFFERQUEUE, &playerBufferQueue); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| result = (*playerBufferQueue)->RegisterCallback(playerBufferQueue, playerCallback, NULL); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| // Enqueue some zero buffers for the player |
| for (j = 0; j < txBufCount; ++j) { |
| |
| // allocate a free buffer |
| assert(freeFront != freeRear); |
| char *buffer = freeBuffers[freeFront]; |
| if (++freeFront > freeBufCount) { |
| freeFront = 0; |
| } |
| |
| // put on play queue |
| SLuint32 txRearNext = txRear + 1; |
| if (txRearNext > txBufCount) { |
| txRearNext = 0; |
| } |
| assert(txRearNext != txFront); |
| txBuffers[txRear] = buffer; |
| txRear = txRearNext; |
| result = (*playerBufferQueue)->Enqueue(playerBufferQueue, |
| buffer, bufSizeInBytes); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| } |
| |
| result = (*playerPlay)->SetPlayState(playerPlay, SL_PLAYSTATE_PLAYING); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| // Create an audio recorder with microphone device source and buffer queue sink. |
| // The buffer queue as sink is an Android-specific extension. |
| |
| SLDataLocator_IODevice locator_iodevice; |
| SLDataLocator_AndroidSimpleBufferQueue locator_bufferqueue_rx; |
| locator_iodevice.locatorType = SL_DATALOCATOR_IODEVICE; |
| locator_iodevice.deviceType = SL_IODEVICE_AUDIOINPUT; |
| locator_iodevice.deviceID = SL_DEFAULTDEVICEID_AUDIOINPUT; |
| locator_iodevice.device = NULL; |
| audiosrc.pLocator = &locator_iodevice; |
| audiosrc.pFormat = NULL; |
| locator_bufferqueue_rx.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE; |
| locator_bufferqueue_rx.numBuffers = rxBufCount; |
| audiosnk.pLocator = &locator_bufferqueue_rx; |
| audiosnk.pFormat = &pcm; |
| { |
| SLInterfaceID ids_rx[1] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE}; |
| SLboolean flags_rx[1] = {SL_BOOLEAN_TRUE}; |
| result = (*engineEngine)->CreateAudioRecorder(engineEngine, &recorderObject, &audiosrc, |
| &audiosnk, 1, ids_rx, flags_rx); |
| if (SL_RESULT_SUCCESS != result) { |
| fprintf(stderr, "Could not create audio recorder (result %x), " |
| "check sample rate and channel count\n", result); |
| goto cleanup; |
| } |
| } |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| result = (*recorderObject)->Realize(recorderObject, SL_BOOLEAN_FALSE); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| SLRecordItf recorderRecord; |
| result = (*recorderObject)->GetInterface(recorderObject, SL_IID_RECORD, &recorderRecord); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| result = (*recorderObject)->GetInterface(recorderObject, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, |
| &recorderBufferQueue); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| result = (*recorderBufferQueue)->RegisterCallback(recorderBufferQueue, recorderCallback, NULL); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| // Enqueue some empty buffers for the recorder |
| for (j = 0; j < rxBufCount; ++j) { |
| |
| // allocate a free buffer |
| assert(freeFront != freeRear); |
| char *buffer = freeBuffers[freeFront]; |
| if (++freeFront > freeBufCount) { |
| freeFront = 0; |
| } |
| |
| // put on record queue |
| SLuint32 rxRearNext = rxRear + 1; |
| if (rxRearNext > rxBufCount) { |
| rxRearNext = 0; |
| } |
| assert(rxRearNext != rxFront); |
| rxBuffers[rxRear] = buffer; |
| rxRear = rxRearNext; |
| result = (*recorderBufferQueue)->Enqueue(recorderBufferQueue, |
| buffer, bufSizeInBytes); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| } |
| |
| // Kick off the recorder |
| result = (*recorderRecord)->SetRecordState(recorderRecord, SL_RECORDSTATE_RECORDING); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| |
| #if 0 |
| // give recorder a head start so that the pipe is initially filled |
| sleep(1); |
| #endif |
| |
| // Wait patiently |
| do { |
| for (int i = 0; i < 10; i++) { |
| usleep(100000); |
| if (fifo2Buffer != NULL) { |
| for (;;) { |
| short buffer[bufSizeInFrames * channels]; |
| ssize_t actual = fifo2Reader->read(buffer, bufSizeInFrames); |
| if (actual <= 0) |
| break; |
| (void) sf_writef_short(sndfile, buffer, (sf_count_t) actual); |
| } |
| } |
| if (injectImpulse > 0) { |
| if (injectImpulse <= 100) { |
| injectImpulse = -1; |
| write(1, "I", 1); |
| } else { |
| if ((injectImpulse % 1000) < 100) { |
| write(1, "i", 1); |
| } |
| injectImpulse -= 100; |
| } |
| } else if (i == 9) { |
| write(1, ".", 1); |
| } |
| } |
| SLBufferQueueState playerBQState; |
| result = (*playerBufferQueue)->GetState(playerBufferQueue, &playerBQState); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| SLAndroidSimpleBufferQueueState recorderBQState; |
| result = (*recorderBufferQueue)->GetState(recorderBufferQueue, &recorderBQState); |
| ASSERT_EQ(SL_RESULT_SUCCESS, result); |
| } while (--exitAfterSeconds); |
| |
| // Tear down the objects and exit |
| cleanup: |
| delete fifoWriter; |
| fifoWriter = NULL; |
| delete fifoReader; |
| fifoReader = NULL; |
| delete fifo; |
| fifo = NULL; |
| delete[] fifoBuffer; |
| fifoBuffer = NULL; |
| |
| if (sndfile != NULL) { |
| delete fifo2Writer; |
| fifo2Writer = NULL; |
| delete fifo2Reader; |
| fifo2Reader = NULL; |
| delete fifo2; |
| fifo2 = NULL; |
| delete[] fifo2Buffer; |
| fifo2Buffer = NULL; |
| sf_close(sndfile); |
| sndfile = NULL; |
| } |
| if (NULL != playerObject) { |
| (*playerObject)->Destroy(playerObject); |
| } |
| if (NULL != recorderObject) { |
| (*recorderObject)->Destroy(recorderObject); |
| } |
| (*outputmixObject)->Destroy(outputmixObject); |
| (*engineObject)->Destroy(engineObject); |
| |
| return EXIT_SUCCESS; |
| } |
