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Update sound_android for use with rawdrawandroid.

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This commit is contained in:
cnlohr 2020-05-03 06:54:38 -07:00
parent 03c938b453
commit 90dd695309
1 changed files with 56 additions and 24 deletions
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80
colorchord2/sound_android.c
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@ -1,21 +1,36 @@
//Copyright 2019 <>< Charles Lohr under the ColorChord License.
// NOTE: this does not actually work!!! This driver needs more work!!! It is currently under work.
//Copyright 2019-2020 <>< Charles Lohr under the ColorChord License.
// This should be used with rawdrawandroid
#include "sound.h"
#include "os_generic.h"
#include "parameters.h"
#include <pthread.h> //Using android threads not os_generic threads.
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef NO_SOUND_PARAMETERS
#include "parameters.h"
#else
#define GetParameterI( x, y ) (y)
#define GetParameterS( x, y ) (y)
#endif
//based on https://github.com/android/ndk-samples/blob/master/native-audio/app/src/main/cpp/native-audio-jni.c
// for native audio
#include <SLES/OpenSLES.h>
#include <SLES/OpenSLES_Android.h>
#include <android_native_app_glue.h>
#include <android/log.h>
#include <jni.h>
#include <native_activity.h>
#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, APPNAME, __VA_ARGS__))
#define printf( x...) LOGI( x )
#define RECORDER_FRAMES 1024
#define BUFFERSETS 4
@ -44,20 +59,19 @@ struct SoundDriverAndroid
void bqRecorderCallback(SLAndroidSimpleBufferQueueItf bq, void *context)
{
struct SoundDriverAndroid * r = (struct SoundDriverAndroid*)context;
// for streaming recording, here we would call Enqueue to give recorder the next buffer to fill
// but instead, this is a one-time buffer so we stop recording
SLresult result;
result = (*r->recorderRecord)->SetRecordState(r->recorderRecord, SL_RECORDSTATE_STOPPED);
if (SL_RESULT_SUCCESS == result) {
r->recorderSize = 128 * sizeof(short);
}
pthread_mutex_unlock(&audioEngineLock);
int samplesp = 0;
float buffout[RECORDER_FRAMES];
int i;
short * rb = r->recorderBuffer;
for( i = 0; i < RECORDER_FRAMES; i++ ) buffout[i] = (rb[i]+0.5)/32767.5;
r->callback( 0, buffout, RECORDER_FRAMES, &samplesp, r );
(*r->recorderBufferQueue)->Enqueue(r->recorderBufferQueue, r->recorderBuffer, sizeof(r->recorderBuffer));
}
static struct SoundDriverAndroid* InitAndroidSound( struct SoundDriverAndroid * r )
{
SLresult result;
LOGI( "Starting InitAndroidSound\n" );
// create engine
result = slCreateEngine(&r->engineObject, 0, NULL, 0, NULL, NULL);
assert(SL_RESULT_SUCCESS == result);
@ -84,9 +98,17 @@ static struct SoundDriverAndroid* InitAndroidSound( struct SoundDriverAndroid *
// configure audio sink
SLDataLocator_AndroidSimpleBufferQueue loc_bq = {SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, 2};
SLDataFormat_PCM format_pcm = {SL_DATAFORMAT_PCM, 1, SL_SAMPLINGRATE_16,
SL_PCMSAMPLEFORMAT_FIXED_16, SL_PCMSAMPLEFORMAT_FIXED_16,
SL_SPEAKER_FRONT_CENTER, SL_BYTEORDER_LITTLEENDIAN};
SLDataFormat_PCM format_pcm ={
SL_DATAFORMAT_PCM,
1,
SL_SAMPLINGRATE_16,
SL_PCMSAMPLEFORMAT_FIXED_16,
SL_PCMSAMPLEFORMAT_FIXED_16,
SL_SPEAKER_FRONT_CENTER,
SL_BYTEORDER_LITTLEENDIAN,
};
SLDataSink audioSnk = {&loc_bq, &format_pcm};
// create audio recorder
@ -96,14 +118,14 @@ static struct SoundDriverAndroid* InitAndroidSound( struct SoundDriverAndroid *
result = (*r->engineEngine)->CreateAudioRecorder(r->engineEngine, &r->recorderObject, &audioSrc,
&audioSnk, 1, id, req);
if (SL_RESULT_SUCCESS != result) {
printf( "CreateAudioRecorder failed\n" );
LOGI( "CreateAudioRecorder failed\n" );
return JNI_FALSE;
}
// realize the audio recorder
result = (*r->recorderObject)->Realize(r->recorderObject, SL_BOOLEAN_FALSE);
if (SL_RESULT_SUCCESS != result) {
printf( "AudioRecorder Realize failed\n" );
LOGI( "AudioRecorder Realize failed: %d\n", result );
return JNI_FALSE;
}
@ -119,8 +141,7 @@ static struct SoundDriverAndroid* InitAndroidSound( struct SoundDriverAndroid *
(void)result;
// register callback on the buffer queue
result = (*r->recorderBufferQueue)->RegisterCallback(r->recorderBufferQueue, bqRecorderCallback,
NULL);
result = (*r->recorderBufferQueue)->RegisterCallback(r->recorderBufferQueue, bqRecorderCallback, r);
assert(SL_RESULT_SUCCESS == result);
(void)result;
@ -139,8 +160,7 @@ static struct SoundDriverAndroid* InitAndroidSound( struct SoundDriverAndroid *
// enqueue an empty buffer to be filled by the recorder
// (for streaming recording, we would enqueue at least 2 empty buffers to start things off)
result = (*r->recorderBufferQueue)->Enqueue(r->recorderBufferQueue, r->recorderBuffer,
RECORDER_FRAMES * sizeof(short));
result = (*r->recorderBufferQueue)->Enqueue(r->recorderBufferQueue, r->recorderBuffer, sizeof(r->recorderBuffer));
// the most likely other result is SL_RESULT_BUFFER_INSUFFICIENT,
// which for this code example would indicate a programming error
assert(SL_RESULT_SUCCESS == result);
@ -151,8 +171,8 @@ static struct SoundDriverAndroid* InitAndroidSound( struct SoundDriverAndroid *
assert(SL_RESULT_SUCCESS == result);
(void)result;
printf( "Complete Init Sound Android\n" );
return 0;
LOGI( "Complete Init Sound Android\n" );
return r;
}
void CloseSoundAndroid( struct SoundDriverAndroid * r );
@ -182,9 +202,19 @@ void CloseSoundAndroid( struct SoundDriverAndroid * r )
}
int AndroidHasPermissions(const char* perm_name);
void AndroidRequestAppPermissions(const char * perm);
void * InitSoundAndroid( SoundCBType cb )
{
printf( "InitSoundAndroid\n" );
int hasperm = AndroidHasPermissions( "RECORD_AUDIO" );
if( !hasperm )
{
AndroidRequestAppPermissions( "RECORD_AUDIO" );
}
struct SoundDriverAndroid * r = (struct SoundDriverAndroid *)malloc( sizeof( struct SoundDriverAndroid ) );
memset( r, 0, sizeof( *r) );
r->CloseFn = CloseSoundAndroid;
@ -208,5 +238,7 @@ void * InitSoundAndroid( SoundCBType cb )
return InitAndroidSound(r);
}
//Tricky: On Android, this can't actually run before main. Have to manually execute it.
REGISTER_SOUND( AndroidSound, 10, "ANDROID", InitSoundAndroid );