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android/platform/frameworks/wilhelm/74201b7/./tests/examples/slesTestRecBuffQueue.cpp
blob: 91235381937dacf2b6be43eceff26acb027d8134 [file]
/*
* 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.
*/
/* Audio Record Test
First run the program from shell:
% adb shell slesTest_recBuffQueue /sdcard/myrec.wav
These use adb on host to retrive the file:
% adb pull /sdcard/myrec.wav
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include <fcntl.h>
#include <system/audio.h>
#include <audio_utils/primitives.h>
#include <audio_utils/sndfile.h>
#include <SLES/OpenSLES.h>
#include <SLES/OpenSLES_Android.h>
audio_format_t transferFormat = AUDIO_FORMAT_DEFAULT;
uint32_t sampleRate = 48000;
int channelCount = 1;
bool useIndexChannelMask = false;
size_t frameSize;
uint32_t performanceMode = SL_ANDROID_PERFORMANCE_LATENCY;
bool aec = false;
bool agc = false;
bool ns = false;
/* Preset number to use for recording */
SLuint32 presetValue = SL_ANDROID_RECORDING_PRESET_NONE;
/* Explicitly requesting SL_IID_ANDROIDSIMPLEBUFFERQUEUE and SL_IID_ANDROIDCONFIGURATION
* on the AudioRecorder object */
#define NUM_EXPLICIT_INTERFACES_FOR_RECORDER 2
/* Size of the recording buffer queue */
#define NB_BUFFERS_IN_QUEUE 1
/* Size of each buffer in the queue */
#define BUFFER_SIZE_IN_BYTES 2048
/* Local storage for Audio data */
int8_t pcmData[NB_BUFFERS_IN_QUEUE * BUFFER_SIZE_IN_BYTES];
/* destination for recorded data */
SNDFILE *sndfile;
//-----------------------------------------------------------------
/* Exits the application if an error is encountered */
#define ExitOnError(x) ExitOnErrorFunc(x,__LINE__)
void ExitOnErrorFunc( SLresult result , int line)
{
if (SL_RESULT_SUCCESS != result) {
fprintf(stderr, "%u error code encountered at line %d, exiting\n", result, line);
exit(EXIT_FAILURE);
}
}
//-----------------------------------------------------------------
/* Structure for passing information to callback function */
typedef struct CallbackCntxt_ {
SLPlayItf playItf;
SLuint32 size;
SLint8* pDataBase; // Base address of local audio data storage
SLint8* pData; // Current address of local audio data storage
} CallbackCntxt;
//-----------------------------------------------------------------
/* Callback for recording buffer queue events */
void RecCallback(
SLRecordItf caller,
void *pContext __unused,
SLuint32 event)
{
if (SL_RECORDEVENT_HEADATNEWPOS & event) {
SLmillisecond pMsec = 0;
(*caller)->GetPosition(caller, &pMsec);
printf("SL_RECORDEVENT_HEADATNEWPOS current position=%ums\n", pMsec);
}
if (SL_RECORDEVENT_HEADATMARKER & event) {
SLmillisecond pMsec = 0;
(*caller)->GetPosition(caller, &pMsec);
printf("SL_RECORDEVENT_HEADATMARKER current position=%ums\n", pMsec);
}
}
//-----------------------------------------------------------------
/* Callback for recording buffer queue events */
void RecBufferQueueCallback(
SLAndroidSimpleBufferQueueItf queueItf,
void *pContext)
{
//printf("RecBufferQueueCallback called\n");
CallbackCntxt *pCntxt = (CallbackCntxt*)pContext;
/* Save the recorded data */
sf_count_t frameCount = BUFFER_SIZE_IN_BYTES / frameSize;
switch (transferFormat) {
case AUDIO_FORMAT_PCM_8_BIT: {
short temp[BUFFER_SIZE_IN_BYTES];
memcpy_to_i16_from_u8(temp, (const unsigned char *) pCntxt->pDataBase,
BUFFER_SIZE_IN_BYTES);
(void) sf_writef_short(sndfile, (const short *) temp, frameCount);
} break;
case AUDIO_FORMAT_PCM_16_BIT:
(void) sf_writef_short(sndfile, (const short *) pCntxt->pDataBase, frameCount);
break;
case AUDIO_FORMAT_PCM_32_BIT:
(void) sf_writef_int(sndfile, (const int *) pCntxt->pDataBase, frameCount);
break;
case AUDIO_FORMAT_PCM_FLOAT:
(void) sf_writef_float(sndfile, (const float *) pCntxt->pDataBase, frameCount);
break;
default:
fprintf(stderr, "Unsupported transfer format %d\n", transferFormat);
exit(EXIT_FAILURE);
}
/* Increase data pointer by buffer size */
pCntxt->pData += BUFFER_SIZE_IN_BYTES;
if (pCntxt->pData >= pCntxt->pDataBase + (NB_BUFFERS_IN_QUEUE * BUFFER_SIZE_IN_BYTES)) {
pCntxt->pData = pCntxt->pDataBase;
}
ExitOnError( (*queueItf)->Enqueue(queueItf, pCntxt->pDataBase, BUFFER_SIZE_IN_BYTES) );
SLAndroidSimpleBufferQueueState recQueueState;
ExitOnError( (*queueItf)->GetState(queueItf, &recQueueState) );
/*fprintf(stderr, "\tRecBufferQueueCallback now has pCntxt->pData=%p queue: "
"count=%u playIndex=%u\n",
pCntxt->pData, recQueueState.count, recQueueState.index);*/
//printf("RecBufferQueueCallback returned\n");
}
//-----------------------------------------------------------------
/* Record to an audio path by opening a file descriptor on that path */
void TestRecToBuffQueue( SLObjectItf sl, const char* path, SLAint64 durationInSeconds)
{
SF_INFO info;
info.frames = 0;
info.samplerate = sampleRate;
info.channels = channelCount;
switch (transferFormat) {
case AUDIO_FORMAT_PCM_8_BIT:
info.format = SF_FORMAT_WAV | SF_FORMAT_PCM_U8;
break;
case AUDIO_FORMAT_PCM_16_BIT:
info.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
break;
case AUDIO_FORMAT_PCM_32_BIT:
info.format = SF_FORMAT_WAV | SF_FORMAT_PCM_32;
break;
case AUDIO_FORMAT_PCM_FLOAT:
info.format = SF_FORMAT_WAV | SF_FORMAT_FLOAT;
break;
default:
fprintf(stderr, "Unsupported transfer format %d\n", transferFormat);
exit(EXIT_FAILURE);
}
sndfile = sf_open(path, SFM_WRITE, &info);
if (sndfile == NULL) {
ExitOnError(SL_RESULT_RESOURCE_ERROR);
}
SLresult result;
SLEngineItf EngineItf;
/* Objects this application uses: one audio recorder */
SLObjectItf recorder;
/* Interfaces for the audio recorder */
SLAndroidSimpleBufferQueueItf recBuffQueueItf;
SLRecordItf recordItf;
SLAndroidConfigurationItf configItf;
/* Source of audio data for the recording */
SLDataSource recSource;
SLDataLocator_IODevice ioDevice;
/* Data sink for recorded audio */
SLDataSink recDest;
SLDataLocator_AndroidSimpleBufferQueue recBuffQueue;
/* As mentioned in the Android extension API documentation this is identical to
* OpenSL ES 1.1 SLDataFormat_PCM_EX, and can be used for an instance of SLDataFormat_PCM.
*/
SLAndroidDataFormat_PCM_EX pcm;
int numInterfaces = NUM_EXPLICIT_INTERFACES_FOR_RECORDER;
if (aec) numInterfaces++;
if (agc) numInterfaces++;
if (ns) numInterfaces++;
SLboolean required[numInterfaces];
SLInterfaceID iidArray[numInterfaces];
/* Get the SL Engine Interface which is implicit */
result = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void*)&EngineItf);
ExitOnError(result);
/* Initialize arrays required[] and iidArray[] */
for (int i=0 ; i < numInterfaces ; i++) {
required[i] = SL_BOOLEAN_FALSE;
iidArray[i] = SL_IID_NULL;
}
/* ------------------------------------------------------ */
/* Configuration of the recorder */
/* Request the AndroidSimpleBufferQueue and AndroidConfiguration interfaces */
int index = 0;
required[index] = SL_BOOLEAN_TRUE;
iidArray[index++] = SL_IID_ANDROIDSIMPLEBUFFERQUEUE;
required[index] = SL_BOOLEAN_TRUE;
iidArray[index++] = SL_IID_ANDROIDCONFIGURATION;
if (aec) {
iidArray[index++] = SL_IID_ANDROIDACOUSTICECHOCANCELLATION;
}
if (agc) {
iidArray[index++] = SL_IID_ANDROIDAUTOMATICGAINCONTROL;
}
if (ns) {
iidArray[index++] = SL_IID_ANDROIDNOISESUPPRESSION;
}
/* Setup the data source */
ioDevice.locatorType = SL_DATALOCATOR_IODEVICE;
ioDevice.deviceType = SL_IODEVICE_AUDIOINPUT;
ioDevice.deviceID = SL_DEFAULTDEVICEID_AUDIOINPUT;
ioDevice.device = NULL;
recSource.pLocator = (void *) &ioDevice;
recSource.pFormat = NULL;
/* Setup the data sink */
recBuffQueue.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE;
recBuffQueue.numBuffers = NB_BUFFERS_IN_QUEUE;
/* set up the format of the data in the buffer queue */
pcm.formatType = transferFormat == AUDIO_FORMAT_PCM_FLOAT ||
transferFormat == AUDIO_FORMAT_PCM_8_BIT ?
SL_ANDROID_DATAFORMAT_PCM_EX : SL_DATAFORMAT_PCM;
pcm.numChannels = channelCount;
pcm.sampleRate = sampleRate * 1000; // milliHz
pcm.representation = SL_ANDROID_PCM_REPRESENTATION_SIGNED_INT;
switch (transferFormat) {
case AUDIO_FORMAT_PCM_16_BIT:
pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
pcm.containerSize = 16;
break;
case AUDIO_FORMAT_PCM_32_BIT:
pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_32;
pcm.containerSize = 32;
break;
case AUDIO_FORMAT_PCM_8_BIT:
pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_8;
pcm.containerSize = 8;
pcm.representation = SL_ANDROID_PCM_REPRESENTATION_UNSIGNED_INT;
break;
case AUDIO_FORMAT_PCM_FLOAT:
pcm.bitsPerSample = 32;
pcm.containerSize = 32;
pcm.representation = SL_ANDROID_PCM_REPRESENTATION_FLOAT;
break;
default:
fprintf(stderr, "Unsupported transfer format %d\n", transferFormat);
exit(EXIT_FAILURE);
}
if (useIndexChannelMask) {
pcm.channelMask = (1 << channelCount) - 1;
} else {
switch (channelCount) {
case 1:
pcm.channelMask = SL_SPEAKER_FRONT_LEFT;
break;
case 2:
pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
break;
default:
fprintf(stderr, "Unsupported channel count %d\n", channelCount);
exit(EXIT_FAILURE);
}
}
pcm.endianness = SL_BYTEORDER_LITTLEENDIAN;
recDest.pLocator = (void *) &recBuffQueue;
recDest.pFormat = (void * ) &pcm;
/* Create the audio recorder */
result = (*EngineItf)->CreateAudioRecorder(EngineItf, &recorder, &recSource, &recDest,
numInterfaces, iidArray, required);
ExitOnError(result);
printf("Recorder created\n");
/* Get the Android configuration interface which is explicit */
result = (*recorder)->GetInterface(recorder, SL_IID_ANDROIDCONFIGURATION, (void*)&configItf);
ExitOnError(result);
/* Use the configuration interface to configure the recorder before it's realized */
if (presetValue != SL_ANDROID_RECORDING_PRESET_NONE) {
result = (*configItf)->SetConfiguration(configItf, SL_ANDROID_KEY_RECORDING_PRESET,
&presetValue, sizeof(SLuint32));
ExitOnError(result);
printf("Recorder configured with preset %u\n", presetValue);
} else {
printf("Using default record preset\n");
}
if (performanceMode != SL_ANDROID_PERFORMANCE_LATENCY) {
result = (*configItf)->SetConfiguration(configItf, SL_ANDROID_KEY_PERFORMANCE_MODE,
&performanceMode, sizeof(SLuint32));
ExitOnError(result);
printf("Recorder configured with performance mode %u\n", performanceMode);
} else {
printf("Using default performance mode\n");
}
SLuint32 presetRetrieved = SL_ANDROID_RECORDING_PRESET_NONE;
SLuint32 presetSize = 2*sizeof(SLuint32); // intentionally too big
result = (*configItf)->GetConfiguration(configItf, SL_ANDROID_KEY_RECORDING_PRESET,
&presetSize, (void*)&presetRetrieved);
ExitOnError(result);
if (presetValue == SL_ANDROID_RECORDING_PRESET_NONE) {
printf("The default record preset appears to be %u\n", presetRetrieved);
} else if (presetValue != presetRetrieved) {
fprintf(stderr, "Error retrieving recording preset as %u instead of %u\n", presetRetrieved,
presetValue);
ExitOnError(SL_RESULT_INTERNAL_ERROR);
}
/* Realize the recorder in synchronous mode. */
result = (*recorder)->Realize(recorder, SL_BOOLEAN_FALSE);
ExitOnError(result);
printf("Recorder realized\n");
/* Check actual performance mode granted*/
SLuint32 modeRetrieved = SL_ANDROID_PERFORMANCE_NONE;
SLuint32 modeSize = sizeof(SLuint32);
result = (*configItf)->GetConfiguration(configItf, SL_ANDROID_KEY_PERFORMANCE_MODE,
&modeSize, (void*)&modeRetrieved);
ExitOnError(result);
printf("Actual performance mode is %u\n", modeRetrieved);
/* Get the record interface which is implicit */
result = (*recorder)->GetInterface(recorder, SL_IID_RECORD, (void*)&recordItf);
ExitOnError(result);
/* Set up the recorder callback to get events during the recording */
result = (*recordItf)->SetMarkerPosition(recordItf, 2000);
ExitOnError(result);
result = (*recordItf)->SetPositionUpdatePeriod(recordItf, 500);
ExitOnError(result);
result = (*recordItf)->SetCallbackEventsMask(recordItf,
SL_RECORDEVENT_HEADATMARKER | SL_RECORDEVENT_HEADATNEWPOS);
ExitOnError(result);
result = (*recordItf)->RegisterCallback(recordItf, RecCallback, NULL);
ExitOnError(result);
printf("Recorder callback registered\n");
/* Enable AEC if requested */
if (aec) {
SLAndroidAcousticEchoCancellationItf aecItf;
result = (*recorder)->GetInterface(
recorder, SL_IID_ANDROIDACOUSTICECHOCANCELLATION, (void*)&aecItf);
printf("AEC is %savailable\n", SL_RESULT_SUCCESS == result ? "" : "not ");
if (SL_RESULT_SUCCESS == result) {
result = (*aecItf)->SetEnabled(aecItf, true);
ExitOnError(result);
SLboolean enabled;
result = (*aecItf)->IsEnabled(aecItf, &enabled);
ExitOnError(result);
printf("AEC is %s\n", enabled ? "enabled" : "not enabled");
}
}
/* Enable AGC if requested */
if (agc) {
SLAndroidAutomaticGainControlItf agcItf;
result = (*recorder)->GetInterface(
recorder, SL_IID_ANDROIDAUTOMATICGAINCONTROL, (void*)&agcItf);
printf("AGC is %savailable\n", SL_RESULT_SUCCESS == result ? "" : "not ");
if (SL_RESULT_SUCCESS == result) {
result = (*agcItf)->SetEnabled(agcItf, true);
ExitOnError(result);
SLboolean enabled;
result = (*agcItf)->IsEnabled(agcItf, &enabled);
ExitOnError(result);
printf("AGC is %s\n", enabled ? "enabled" : "not enabled");
}
}
/* Enable NS if requested */
if (ns) {
SLAndroidNoiseSuppressionItf nsItf;
result = (*recorder)->GetInterface(
recorder, SL_IID_ANDROIDNOISESUPPRESSION, (void*)&nsItf);
printf("NS is %savailable\n", SL_RESULT_SUCCESS == result ? "" : "not ");
if (SL_RESULT_SUCCESS == result) {
result = (*nsItf)->SetEnabled(nsItf, true);
ExitOnError(result);
SLboolean enabled;
result = (*nsItf)->IsEnabled(nsItf, &enabled);
ExitOnError(result);
printf("NS is %s\n", enabled ? "enabled" : "not enabled");
}
}
/* Get the buffer queue interface which was explicitly requested */
result = (*recorder)->GetInterface(recorder, SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
(void*)&recBuffQueueItf);
ExitOnError(result);
/* ------------------------------------------------------ */
/* Initialize the callback and its context for the recording buffer queue */
CallbackCntxt cntxt;
cntxt.pDataBase = (int8_t*)&pcmData;
cntxt.pData = cntxt.pDataBase;
cntxt.size = sizeof(pcmData);
result = (*recBuffQueueItf)->RegisterCallback(recBuffQueueItf, RecBufferQueueCallback, &cntxt);
ExitOnError(result);
/* Enqueue buffers to map the region of memory allocated to store the recorded data */
printf("Enqueueing buffer ");
for(int i = 0 ; i < NB_BUFFERS_IN_QUEUE ; i++) {
printf("%d ", i);
result = (*recBuffQueueItf)->Enqueue(recBuffQueueItf, cntxt.pData, BUFFER_SIZE_IN_BYTES);
ExitOnError(result);
cntxt.pData += BUFFER_SIZE_IN_BYTES;
}
printf("\n");
cntxt.pData = cntxt.pDataBase;
/* ------------------------------------------------------ */
/* Start recording */
result = (*recordItf)->SetRecordState(recordItf, SL_RECORDSTATE_RECORDING);
ExitOnError(result);
printf("Starting to record\n");
/* Record for at least a second */
if (durationInSeconds < 1) {
durationInSeconds = 1;
}
usleep(durationInSeconds * 1000 * 1000);
/* ------------------------------------------------------ */
/* End of recording */
/* Stop recording */
result = (*recordItf)->SetRecordState(recordItf, SL_RECORDSTATE_STOPPED);
ExitOnError(result);
printf("Stopped recording\n");
/* Destroy the AudioRecorder object */
(*recorder)->Destroy(recorder);
sf_close(sndfile);
}
//-----------------------------------------------------------------
int main(int argc, char* const argv[])
{
int durationInSeconds = 10;
SLresult result;
SLObjectItf sl;
const char *prog = argv[0];
printf("OpenSL ES test %s: exercises SLRecordItf and SLAndroidSimpleBufferQueueItf ",
prog);
printf("on an AudioRecorder object\n");
int i;
for (i = 1; i < argc; ++i) {
const char *arg = argv[i];
if (arg[0] != '-') {
break;
}
switch (arg[1]) {
case 'c': // channel count
channelCount = atoi(&arg[2]);
break;
case 'd': // duration in seconds
durationInSeconds = atoi(&arg[2]);
break;
case 'f':
transferFormat = AUDIO_FORMAT_PCM_FLOAT;
break;
case 'i':
useIndexChannelMask = true;
break;
case 'p': // preset number
presetValue = atoi(&arg[2]);
break;
case 'r':
sampleRate = atoi(&arg[2]);
break;
case '1':
transferFormat = AUDIO_FORMAT_PCM_8_BIT;
break;
case '2':
transferFormat = AUDIO_FORMAT_PCM_16_BIT;
break;
case '4':
transferFormat = AUDIO_FORMAT_PCM_32_BIT;
break;
case 'm':
performanceMode = atoi(&arg[2]);
break;
case 'x':
if (strstr(arg, "e") != NULL) {
aec = true;
}
if (strstr(arg, "a") != NULL) {
agc = true;
}
if (strstr(arg, "n") != NULL) {
ns = true;
}
break;
default:
fprintf(stderr, "%s: unknown option %s\n", prog, arg);
break;
}
}
if (transferFormat == AUDIO_FORMAT_DEFAULT) {
transferFormat = AUDIO_FORMAT_PCM_16_BIT;
}
frameSize = audio_bytes_per_sample(transferFormat) * channelCount;
if (argc-i != 1) {
printf("Usage: \t%s [-c#] [-d#] [-i] [-p#] [-r#] [-1/2/4/f] destination_file\n", prog);
printf(" -c# channel count, defaults to 1\n");
printf(" -d# duration in seconds, default to 10\n");
printf(" -i index channel mask, not yet implemented\n");
printf(" -p# is the preset value which defaults to SL_ANDROID_RECORDING_PRESET_NONE\n");
printf(" possible values are:\n");
printf(" -p%d SL_ANDROID_RECORDING_PRESET_NONE\n",
SL_ANDROID_RECORDING_PRESET_NONE);
printf(" -p%d SL_ANDROID_RECORDING_PRESET_GENERIC\n",
SL_ANDROID_RECORDING_PRESET_GENERIC);
printf(" -p%d SL_ANDROID_RECORDING_PRESET_CAMCORDER\n",
SL_ANDROID_RECORDING_PRESET_CAMCORDER);
printf(" -p%d SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION\n",
SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION);
printf(" -p%d SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION\n",
SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION);
printf(" -r# sample rate in Hz, defaults to 48000\n");
printf(" -[1/2/4/f] sample format: 8-bit unsigned, 16-bit signed, 32-bit signed, float, "
"defaults to 16-bit signed\n");
printf(" -m# is the performance mode value which defaults to"
" SL_ANDROID_PERFORMANCE_LATENCY\n");
printf(" possible values are:\n");
printf(" -m%d SL_ANDROID_PERFORMANCE_NONE\n",
SL_ANDROID_PERFORMANCE_NONE);
printf(" -m%d SL_ANDROID_PERFORMANCE_LATENCY\n",
SL_ANDROID_PERFORMANCE_LATENCY);
printf(" -m%d SL_ANDROID_PERFORMANCE_LATENCY_EFFECTS\n",
SL_ANDROID_PERFORMANCE_LATENCY_EFFECTS);
printf(" -m%d SL_ANDROID_PERFORMANCE_POWER_SAVING\n",
SL_ANDROID_PERFORMANCE_POWER_SAVING);
printf(" -x[e][a][n] for pre processing:\n"
" - e: Echo canceler\n"
" - a: Automatic Gain Control\n"
" - n: Noise Suppression\n");
printf("Example: \"%s /sdcard/myrec.wav\" \n", prog);
exit(EXIT_FAILURE);
}
SLEngineOption EngineOption[] = {
{(SLuint32) SL_ENGINEOPTION_THREADSAFE, (SLuint32) SL_BOOLEAN_TRUE}
};
result = slCreateEngine( &sl, 1, EngineOption, 0, NULL, NULL);
ExitOnError(result);
/* Realizing the SL Engine in synchronous mode. */
result = (*sl)->Realize(sl, SL_BOOLEAN_FALSE);
ExitOnError(result);
TestRecToBuffQueue(sl, argv[i], durationInSeconds);
/* Shutdown OpenSL ES */
(*sl)->Destroy(sl);
return EXIT_SUCCESS;
}