diff options
Diffstat (limited to 'portaudio/bindings/java/c/src/com_portaudio_PortAudio.c')
| -rw-r--r-- | portaudio/bindings/java/c/src/com_portaudio_PortAudio.c | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/portaudio/bindings/java/c/src/com_portaudio_PortAudio.c b/portaudio/bindings/java/c/src/com_portaudio_PortAudio.c new file mode 100644 index 0000000..77c42eb --- /dev/null +++ b/portaudio/bindings/java/c/src/com_portaudio_PortAudio.c @@ -0,0 +1,279 @@ +/* + * Portable Audio I/O Library + * Java Binding for PortAudio + * + * Based on the Open Source API proposed by Ross Bencina + * Copyright (c) 2008 Ross Bencina + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * The text above constitutes the entire PortAudio license; however, + * the PortAudio community also makes the following non-binding requests: + * + * Any person wishing to distribute modifications to the Software is + * requested to send the modifications to the original developer so that + * they can be incorporated into the canonical version. It is also + * requested that these non-binding requests be included along with the + * license above. + */ + +#include "com_portaudio_PortAudio.h" +#include "portaudio.h" +#include "jpa_tools.h" + +/* + * Class: com_portaudio_PortAudio + * Method: getVersion + * Signature: ()I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getVersion + (JNIEnv *env, jclass clazz) +{ + return Pa_GetVersion(); +} + +/* + * Class: com_portaudio_PortAudio + * Method: getVersionText + * Signature: ()Ljava/lang/String; + */ +JNIEXPORT jstring JNICALL Java_com_portaudio_PortAudio_getVersionText + (JNIEnv *env, jclass clazz) +{ + return (*env)->NewStringUTF(env, Pa_GetVersionText() ); +} + +/* + * Class: com_portaudio_PortAudio + * Method: initialize + * Signature: ()I + */ +JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_initialize + (JNIEnv *env, jclass clazz) +{ + PaError err = Pa_Initialize(); + jpa_CheckError( env, err ); +} + +/* + * Class: com_portaudio_PortAudio + * Method: terminate + * Signature: ()I + */ +JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_terminate + (JNIEnv *env, jclass clazz) +{ + PaError err = Pa_Terminate(); + jpa_CheckError( env, err ); +} + +/* + * Class: com_portaudio_PortAudio + * Method: getDeviceCount + * Signature: ()I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getDeviceCount + (JNIEnv *env, jclass clazz) +{ + jint count = Pa_GetDeviceCount(); + return jpa_CheckError( env, count ); +} + +/* + * Class: com_portaudio_PortAudio + * Method: getDeviceInfo + * Signature: (ILcom/portaudio/DeviceInfo;)I + */ +JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_getDeviceInfo + (JNIEnv *env, jclass clazz, jint index, jobject deviceInfo) +{ + const PaDeviceInfo *info; + /* Get a reference to obj's class */ + jclass cls = (*env)->GetObjectClass(env, deviceInfo); + + info = Pa_GetDeviceInfo( index ); + if( info == NULL ) + { + jpa_ThrowError( env, "Pa_GetDeviceInfo returned NULL." ); + } + else + { + jpa_SetStringField( env, cls, deviceInfo, "name", info->name ); + jpa_SetIntField( env, cls, deviceInfo, "maxInputChannels", info->maxInputChannels ); + jpa_SetIntField( env, cls, deviceInfo, "maxOutputChannels", info->maxOutputChannels ); + jpa_SetIntField( env, cls, deviceInfo, "hostApi", info->hostApi ); + jpa_SetDoubleField( env, cls, deviceInfo, "defaultSampleRate", info->defaultSampleRate ); + jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowInputLatency", info->defaultLowInputLatency ); + jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowInputLatency", info->defaultHighInputLatency ); + jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowOutputLatency", info->defaultLowOutputLatency ); + jpa_SetDoubleField( env, cls, deviceInfo, "defaultHighOutputLatency", info->defaultHighOutputLatency ); + } +} + +/* + * Class: com_portaudio_PortAudio + * Method: geHostApiCount + * Signature: ()I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getHostApiCount + (JNIEnv *env, jclass clazz) +{ + jint count = Pa_GetHostApiCount(); + return jpa_CheckError( env, count ); +} + + +/* + * Class: com_portaudio_PortAudio + * Method: hostApiTypeIdToHostApiIndex + * Signature: (I)I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_hostApiTypeIdToHostApiIndex + (JNIEnv *env, jclass clazz, jint hostApiType) +{ + return Pa_HostApiTypeIdToHostApiIndex( (PaHostApiTypeId) hostApiType ); +} + +/* + * Class: com_portaudio_PortAudio + * Method: hostApiDeviceIndexToDeviceIndex + * Signature: (II)I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_hostApiDeviceIndexToDeviceIndex + (JNIEnv *env, jclass clazz, jint hostApiIndex, jint apiDeviceIndex) +{ + return Pa_HostApiDeviceIndexToDeviceIndex( hostApiIndex, apiDeviceIndex ); +} + + +/* + * Class: com_portaudio_PortAudio + * Method: getHostApiInfo + * Signature: (ILcom/portaudio/HostApiInfo;)I + */ +JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_getHostApiInfo + (JNIEnv *env, jclass clazz, jint index, jobject hostApiInfo) +{ + const PaHostApiInfo *info; + /* Get a reference to obj's class */ + jclass cls = (*env)->GetObjectClass(env, hostApiInfo); + + info = Pa_GetHostApiInfo( index ); + if( info == NULL ) + { + jpa_ThrowError( env, "Pa_GetHostApiInfo returned NULL." ); + } + else + { + jpa_SetIntField( env, cls, hostApiInfo, "version", info->structVersion ); + jpa_SetIntField( env, cls, hostApiInfo, "type", info->type ); + jpa_SetStringField( env, cls, hostApiInfo, "name", info->name ); + jpa_SetIntField( env, cls, hostApiInfo, "deviceCount", info->deviceCount ); + jpa_SetIntField( env, cls, hostApiInfo, "defaultInputDevice", info->defaultInputDevice ); + jpa_SetIntField( env, cls, hostApiInfo, "defaultOutputDevice", info->defaultOutputDevice ); + } +} + +/* + * Class: com_portaudio_PortAudio + * Method: getDefaultInputDevice + * Signature: ()I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getDefaultInputDevice + (JNIEnv *env, jclass clazz) +{ + jint deviceId = Pa_GetDefaultInputDevice(); + return jpa_CheckError( env, deviceId ); +} + +/* + * Class: com_portaudio_PortAudio + * Method: getDefaultOutputDevice + * Signature: ()I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getDefaultOutputDevice + (JNIEnv *env, jclass clazz) +{ + jint deviceId = Pa_GetDefaultOutputDevice(); + return jpa_CheckError( env, deviceId ); +} + +/* + * Class: com_portaudio_PortAudio + * Method: getDefaultHostApi + * Signature: ()I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getDefaultHostApi + (JNIEnv *env, jclass clazz) +{ + jint deviceId = Pa_GetDefaultHostApi(); + return jpa_CheckError( env, deviceId ); +} + +/* + * Class: com_portaudio_PortAudio + * Method: isFormatSupported + * Signature: (Lcom/portaudio/StreamParameters;Lcom/portaudio/StreamParameters;I)I + */ +JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_isFormatSupported + (JNIEnv *env, jclass clazz, jobject inParams, jobject outParams, jint sampleRate ) +{ + PaStreamParameters myInParams, *paInParams; + PaStreamParameters myOutParams, *paOutParams; + + paInParams = jpa_FillStreamParameters( env, inParams, &myInParams ); + paOutParams = jpa_FillStreamParameters( env, outParams, &myOutParams ); + + return Pa_IsFormatSupported( paInParams, paOutParams, sampleRate ); + +} + +/* + * Class: com_portaudio_PortAudio + * Method: openStream + * Signature: (Lcom/portaudio/BlockingStream;Lcom/portaudio/StreamParameters;Lcom/portaudio/StreamParameters;III)I + */ +JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_openStream + (JNIEnv *env, jclass clazz, jobject blockingStream, jobject inParams, jobject outParams, jint sampleRate, jint framesPerBuffer, jint flags ) +{ + int err; + PaStreamParameters myInParams, *paInParams; + PaStreamParameters myOutParams, *paOutParams; + PaStream *stream; + + paInParams = jpa_FillStreamParameters( env, inParams, &myInParams ); + paOutParams = jpa_FillStreamParameters( env, outParams, &myOutParams ); + err = Pa_OpenStream( &stream, paInParams, paOutParams, sampleRate, framesPerBuffer, flags, NULL, NULL ); + if( jpa_CheckError( env, err ) == 0 ) + { + jclass cls = (*env)->GetObjectClass(env, blockingStream); + jpa_SetLongField( env, cls, blockingStream, "nativeStream", (jlong) stream ); + if( paInParams != NULL ) + { + jpa_SetIntField( env, cls, blockingStream, "inputFormat", paInParams->sampleFormat ); + } + if( paOutParams != NULL ) + { + jpa_SetIntField( env, cls, blockingStream, "outputFormat", paOutParams->sampleFormat ); + } + } +} |