javax.sound.sampled.AudioFormat#Encoding ( )源码实例Demo

下面列出了javax.sound.sampled.AudioFormat#Encoding ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： jdk8u-dev-jdk 文件： AiffFileWriter.java

public AudioFileFormat.Type[] getAudioFileTypes(AudioInputStream stream) {

        AudioFileFormat.Type[] filetypes = new AudioFileFormat.Type[types.length];
        System.arraycopy(types, 0, filetypes, 0, types.length);

        // make sure we can write this stream
        AudioFormat format = stream.getFormat();
        AudioFormat.Encoding encoding = format.getEncoding();

        if( (AudioFormat.Encoding.ALAW.equals(encoding)) ||
            (AudioFormat.Encoding.ULAW.equals(encoding)) ||
            (AudioFormat.Encoding.PCM_SIGNED.equals(encoding)) ||
            (AudioFormat.Encoding.PCM_UNSIGNED.equals(encoding)) ) {

            return filetypes;
        }

        return new AudioFileFormat.Type[0];
    }

源代码2 项目： jdk8u-dev-jdk 文件： AuFileFormat.java

AuFileFormat(AudioFileFormat.Type type, int lengthInBytes, AudioFormat format, int lengthInFrames) {

        super(type,lengthInBytes,format,lengthInFrames);

        AudioFormat.Encoding encoding = format.getEncoding();

        auType = -1;

        if( AudioFormat.Encoding.ALAW.equals(encoding) ) {
            if( format.getSampleSizeInBits()==8 ) {
                auType = AU_ALAW_8;
            }
        } else if( AudioFormat.Encoding.ULAW.equals(encoding) ) {
            if( format.getSampleSizeInBits()==8 ) {
                auType = AU_ULAW_8;
            }
        } else if( AudioFormat.Encoding.PCM_SIGNED.equals(encoding) ) {
            if( format.getSampleSizeInBits()==8 ) {
                auType = AU_LINEAR_8;
            } else if( format.getSampleSizeInBits()==16 ) {
                auType = AU_LINEAR_16;
            } else if( format.getSampleSizeInBits()==24 ) {
                auType = AU_LINEAR_24;
            } else if( format.getSampleSizeInBits()==32 ) {
                auType = AU_LINEAR_32;
            }
        }

    }

源代码3 项目： openjdk-8 文件： AuFileFormat.java

AuFileFormat(AudioFileFormat.Type type, int lengthInBytes, AudioFormat format, int lengthInFrames) {

        super(type,lengthInBytes,format,lengthInFrames);

        AudioFormat.Encoding encoding = format.getEncoding();

        auType = -1;

        if( AudioFormat.Encoding.ALAW.equals(encoding) ) {
            if( format.getSampleSizeInBits()==8 ) {
                auType = AU_ALAW_8;
            }
        } else if( AudioFormat.Encoding.ULAW.equals(encoding) ) {
            if( format.getSampleSizeInBits()==8 ) {
                auType = AU_ULAW_8;
            }
        } else if( AudioFormat.Encoding.PCM_SIGNED.equals(encoding) ) {
            if( format.getSampleSizeInBits()==8 ) {
                auType = AU_LINEAR_8;
            } else if( format.getSampleSizeInBits()==16 ) {
                auType = AU_LINEAR_16;
            } else if( format.getSampleSizeInBits()==24 ) {
                auType = AU_LINEAR_24;
            } else if( format.getSampleSizeInBits()==32 ) {
                auType = AU_LINEAR_32;
            }
        }

    }

源代码4 项目： jdk8u-jdk 文件： FormatConversionProvider.java

/**
 * Indicates whether the format converter supports conversion to a particular encoding
 * from a particular format.
 * @param targetEncoding desired encoding of the outgoing data
 * @param sourceFormat format of the incoming data
 * @return <code>true</code> if the conversion is supported, otherwise <code>false</code>
 */
public boolean isConversionSupported(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat){

    AudioFormat.Encoding targetEncodings[] = getTargetEncodings(sourceFormat);

    for(int i=0; i<targetEncodings.length; i++) {
        if( targetEncoding.equals( targetEncodings[i]) ) {
            return true;
        }
    }
    return false;
}

源代码5 项目： tuxguitar 文件： FormatConversionProvider.java

/**
 * Indicates whether the format converter supports conversion to a particular encoding
 * from a particular format.
 * @param targetEncoding desired encoding of the outgoing data
 * @param sourceFormat format of the incoming data
 * @return <code>true</code> if the conversion is supported, otherwise <code>false</code>
 */
public boolean isConversionSupported(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat){

    AudioFormat.Encoding targetEncodings[] = getTargetEncodings(sourceFormat);

    for(int i=0; i<targetEncodings.length; i++) {
        if( targetEncoding.equals( targetEncodings[i]) ) {
            return true;
        }
    }
    return false;
}

源代码6 项目： dragonwell8_jdk 文件： UlawCodec.java

/**
 */
public AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat){
    if( (AudioFormat.Encoding.PCM_SIGNED.equals(targetEncoding)
         && AudioFormat.Encoding.ULAW.equals(sourceFormat.getEncoding()))
        ||
        (AudioFormat.Encoding.ULAW.equals(targetEncoding)
         && AudioFormat.Encoding.PCM_SIGNED.equals(sourceFormat.getEncoding()))) {
            return getOutputFormats(sourceFormat);
        } else {
            return new AudioFormat[0];
        }
}

源代码7 项目： jdk8u-jdk 文件： UlawCodec.java

/**
 */
public AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat){
    if( (AudioFormat.Encoding.PCM_SIGNED.equals(targetEncoding)
         && AudioFormat.Encoding.ULAW.equals(sourceFormat.getEncoding()))
        ||
        (AudioFormat.Encoding.ULAW.equals(targetEncoding)
         && AudioFormat.Encoding.PCM_SIGNED.equals(sourceFormat.getEncoding()))) {
            return getOutputFormats(sourceFormat);
        } else {
            return new AudioFormat[0];
        }
}

源代码8 项目： openjdk-jdk9 文件： AlawCodec.java

@Override
public AudioFormat.Encoding[] getTargetEncodings() {
    return getSourceEncodings();
}

源代码9 项目： TencentKona-8 文件： PCMtoPCMCodec.java

PCMtoPCMCodecStream(AudioInputStream stream, AudioFormat outputFormat) {

            super(stream, outputFormat, -1);

            int sampleSizeInBits = 0;
            AudioFormat.Encoding inputEncoding = null;
            AudioFormat.Encoding outputEncoding = null;
            boolean inputIsBigEndian;
            boolean outputIsBigEndian;

            AudioFormat inputFormat = stream.getFormat();

            // throw an IllegalArgumentException if not ok
            if ( ! (isConversionSupported(inputFormat, outputFormat)) ) {

                throw new IllegalArgumentException("Unsupported conversion: " + inputFormat.toString() + " to " + outputFormat.toString());
            }

            inputEncoding = inputFormat.getEncoding();
            outputEncoding = outputFormat.getEncoding();
            inputIsBigEndian = inputFormat.isBigEndian();
            outputIsBigEndian = outputFormat.isBigEndian();
            sampleSizeInBits = inputFormat.getSampleSizeInBits();
            sampleSizeInBytes = sampleSizeInBits/8;

            // determine conversion to perform

            if( sampleSizeInBits==8 ) {
                if( AudioFormat.Encoding.PCM_UNSIGNED.equals(inputEncoding) &&
                    AudioFormat.Encoding.PCM_SIGNED.equals(outputEncoding) ) {
                    conversionType = PCM_SWITCH_SIGNED_8BIT;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SWITCH_SIGNED_8BIT");

                } else if( AudioFormat.Encoding.PCM_SIGNED.equals(inputEncoding) &&
                           AudioFormat.Encoding.PCM_UNSIGNED.equals(outputEncoding) ) {
                    conversionType = PCM_SWITCH_SIGNED_8BIT;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SWITCH_SIGNED_8BIT");
                }
            } else {

                if( inputEncoding.equals(outputEncoding) && (inputIsBigEndian != outputIsBigEndian) ) {

                    conversionType = PCM_SWITCH_ENDIAN;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SWITCH_ENDIAN");


                } else if (AudioFormat.Encoding.PCM_UNSIGNED.equals(inputEncoding) && !inputIsBigEndian &&
                            AudioFormat.Encoding.PCM_SIGNED.equals(outputEncoding) && outputIsBigEndian) {

                    conversionType = PCM_UNSIGNED_LE2SIGNED_BE;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_UNSIGNED_LE2SIGNED_BE");

                } else if (AudioFormat.Encoding.PCM_SIGNED.equals(inputEncoding) && !inputIsBigEndian &&
                           AudioFormat.Encoding.PCM_UNSIGNED.equals(outputEncoding) && outputIsBigEndian) {

                    conversionType = PCM_SIGNED_LE2UNSIGNED_BE;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SIGNED_LE2UNSIGNED_BE");

                } else if (AudioFormat.Encoding.PCM_UNSIGNED.equals(inputEncoding) && inputIsBigEndian &&
                           AudioFormat.Encoding.PCM_SIGNED.equals(outputEncoding) && !outputIsBigEndian) {

                    conversionType = PCM_UNSIGNED_BE2SIGNED_LE;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_UNSIGNED_BE2SIGNED_LE");

                } else if (AudioFormat.Encoding.PCM_SIGNED.equals(inputEncoding) && inputIsBigEndian &&
                           AudioFormat.Encoding.PCM_UNSIGNED.equals(outputEncoding) && !outputIsBigEndian) {

                    conversionType = PCM_SIGNED_BE2UNSIGNED_LE;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SIGNED_BE2UNSIGNED_LE");

                }
            }

            // set the audio stream length in frames if we know it

            frameSize = inputFormat.getFrameSize();
            if( frameSize == AudioSystem.NOT_SPECIFIED ) {
                frameSize=1;
            }
            if( stream instanceof AudioInputStream ) {
                frameLength = stream.getFrameLength();
            } else {
                frameLength = AudioSystem.NOT_SPECIFIED;
            }

            // set framePos to zero
            framePos = 0;

        }

源代码10 项目： dragonwell8_jdk 文件： PCMtoPCMCodec.java

PCMtoPCMCodecStream(AudioInputStream stream, AudioFormat outputFormat) {

            super(stream, outputFormat, -1);

            int sampleSizeInBits = 0;
            AudioFormat.Encoding inputEncoding = null;
            AudioFormat.Encoding outputEncoding = null;
            boolean inputIsBigEndian;
            boolean outputIsBigEndian;

            AudioFormat inputFormat = stream.getFormat();

            // throw an IllegalArgumentException if not ok
            if ( ! (isConversionSupported(inputFormat, outputFormat)) ) {

                throw new IllegalArgumentException("Unsupported conversion: " + inputFormat.toString() + " to " + outputFormat.toString());
            }

            inputEncoding = inputFormat.getEncoding();
            outputEncoding = outputFormat.getEncoding();
            inputIsBigEndian = inputFormat.isBigEndian();
            outputIsBigEndian = outputFormat.isBigEndian();
            sampleSizeInBits = inputFormat.getSampleSizeInBits();
            sampleSizeInBytes = sampleSizeInBits/8;

            // determine conversion to perform

            if( sampleSizeInBits==8 ) {
                if( AudioFormat.Encoding.PCM_UNSIGNED.equals(inputEncoding) &&
                    AudioFormat.Encoding.PCM_SIGNED.equals(outputEncoding) ) {
                    conversionType = PCM_SWITCH_SIGNED_8BIT;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SWITCH_SIGNED_8BIT");

                } else if( AudioFormat.Encoding.PCM_SIGNED.equals(inputEncoding) &&
                           AudioFormat.Encoding.PCM_UNSIGNED.equals(outputEncoding) ) {
                    conversionType = PCM_SWITCH_SIGNED_8BIT;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SWITCH_SIGNED_8BIT");
                }
            } else {

                if( inputEncoding.equals(outputEncoding) && (inputIsBigEndian != outputIsBigEndian) ) {

                    conversionType = PCM_SWITCH_ENDIAN;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SWITCH_ENDIAN");


                } else if (AudioFormat.Encoding.PCM_UNSIGNED.equals(inputEncoding) && !inputIsBigEndian &&
                            AudioFormat.Encoding.PCM_SIGNED.equals(outputEncoding) && outputIsBigEndian) {

                    conversionType = PCM_UNSIGNED_LE2SIGNED_BE;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_UNSIGNED_LE2SIGNED_BE");

                } else if (AudioFormat.Encoding.PCM_SIGNED.equals(inputEncoding) && !inputIsBigEndian &&
                           AudioFormat.Encoding.PCM_UNSIGNED.equals(outputEncoding) && outputIsBigEndian) {

                    conversionType = PCM_SIGNED_LE2UNSIGNED_BE;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SIGNED_LE2UNSIGNED_BE");

                } else if (AudioFormat.Encoding.PCM_UNSIGNED.equals(inputEncoding) && inputIsBigEndian &&
                           AudioFormat.Encoding.PCM_SIGNED.equals(outputEncoding) && !outputIsBigEndian) {

                    conversionType = PCM_UNSIGNED_BE2SIGNED_LE;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_UNSIGNED_BE2SIGNED_LE");

                } else if (AudioFormat.Encoding.PCM_SIGNED.equals(inputEncoding) && inputIsBigEndian &&
                           AudioFormat.Encoding.PCM_UNSIGNED.equals(outputEncoding) && !outputIsBigEndian) {

                    conversionType = PCM_SIGNED_BE2UNSIGNED_LE;
                    if(Printer.debug) Printer.debug("PCMtoPCMCodecStream: conversionType = PCM_SIGNED_BE2UNSIGNED_LE");

                }
            }

            // set the audio stream length in frames if we know it

            frameSize = inputFormat.getFrameSize();
            if( frameSize == AudioSystem.NOT_SPECIFIED ) {
                frameSize=1;
            }
            if( stream instanceof AudioInputStream ) {
                frameLength = stream.getFrameLength();
            } else {
                frameLength = AudioSystem.NOT_SPECIFIED;
            }

            // set framePos to zero
            framePos = 0;

        }

源代码11 项目： dragonwell8_jdk 文件： FormatConversionProvider.java

/**
 * Obtains an audio input stream with the specified encoding from the given audio
 * input stream.
 * @param targetEncoding desired encoding of the stream after processing
 * @param sourceStream stream from which data to be processed should be read
 * @return stream from which processed data with the specified target encoding may be read
 * @throws IllegalArgumentException if the format combination supplied is
 * not supported.
 */
public abstract AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream);

源代码12 项目： JDKSourceCode1.8 文件： FormatConversionProvider.java

/**
 * Obtains the set of target formats with the encoding specified
 * supported by the format converter
 * If no target formats with the specified encoding are supported
 * for this source format, an array of length 0 is returned.
 * @param targetEncoding desired encoding of the stream after processing
 * @param sourceFormat format of the incoming data
 * @return array of supported target formats.
 */
public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat);

源代码13 项目： Java8CN 文件： FormatConversionProvider.java

/**
 * Obtains the set of source format encodings from which format
 * conversion services are provided by this provider.
 * @return array of source format encodings. If for some reason provider
 * does not provide any conversion services, an array of length 0 is
 * returned.
 */
public abstract AudioFormat.Encoding[] getSourceEncodings();

源代码14 项目： jdk1.8-source-analysis 文件： FormatConversionProvider.java

/**
 * Obtains the set of target formats with the encoding specified
 * supported by the format converter
 * If no target formats with the specified encoding are supported
 * for this source format, an array of length 0 is returned.
 * @param targetEncoding desired encoding of the stream after processing
 * @param sourceFormat format of the incoming data
 * @return array of supported target formats.
 */
public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat);

源代码15 项目： openjdk-8 文件： FormatConversionProvider.java

/**
 * Obtains the set of target format encodings supported by the format converter
 * given a particular source format.
 * If no target format encodings are supported for this source format,
 * an array of length 0 is returned.
 * @param sourceFormat format of the incoming data
 * @return array of supported target format encodings.
 */
public abstract AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat);

源代码16 项目： jdk8u60 文件： FormatConversionProvider.java

/**
 * Obtains the set of target format encodings to which format
 * conversion services are provided by this provider.
 * @return array of target format encodings. If for some reason provider
 * does not provide any conversion services, an array of length 0 is
 * returned.
 */
public abstract AudioFormat.Encoding[] getTargetEncodings();

源代码17 项目： openjdk-jdk8u-backup 文件： FormatConversionProvider.java

/**
 * Obtains the set of target formats with the encoding specified
 * supported by the format converter
 * If no target formats with the specified encoding are supported
 * for this source format, an array of length 0 is returned.
 * @param targetEncoding desired encoding of the stream after processing
 * @param sourceFormat format of the incoming data
 * @return array of supported target formats.
 */
public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat);

源代码18 项目： openjdk-8-source 文件： SunCodec.java

/**
 */
public abstract AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat);

源代码19 项目： openjdk-8-source 文件： FormatConversionProvider.java

/**
 * Obtains an audio input stream with the specified encoding from the given audio
 * input stream.
 * @param targetEncoding desired encoding of the stream after processing
 * @param sourceStream stream from which data to be processed should be read
 * @return stream from which processed data with the specified target encoding may be read
 * @throws IllegalArgumentException if the format combination supplied is
 * not supported.
 */
public abstract AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream);

源代码20 项目： jdk8u_jdk 文件： FormatConversionProvider.java

/**
 * Obtains the set of target format encodings to which format
 * conversion services are provided by this provider.
 * @return array of target format encodings. If for some reason provider
 * does not provide any conversion services, an array of length 0 is
 * returned.
 */
public abstract AudioFormat.Encoding[] getTargetEncodings();

方法所在类

javax.sound.sampled.AudioFormat