javax.sound.sampled.spi

Class FormatConversionProvider

Table des matières

  • public abstract class FormatConversionProvider
extends Object
    A format conversion provider provides format conversion services from one or more input formats to one or more output formats. Converters include codecs, which encode and/or decode audio data, as well as transcoders, etc. Format converters provide methods for determining what conversions are supported and for obtaining an audio stream from which converted data can be read.

    The source format represents the format of the incoming audio data, which will be converted.

    The target format represents the format of the processed, converted audio data. This is the format of the data that can be read from the stream returned by one of the getAudioInputStream methods.

    Since:
    1.3

    • Constructor Detail

      • FormatConversionProvider

        public FormatConversionProvider()

    • Method Detail

      • getSourceEncodings

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

      • getTargetEncodings

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

      • isSourceEncodingSupported

        public boolean isSourceEncodingSupported(AudioFormat.Encoding sourceEncoding)
        Indicates whether the format converter supports conversion from the specified source format encoding.
        Parameters:
        sourceEncoding - the source format encoding for which support is queried
        Returns:
        true if the encoding is supported, otherwise false

      • isTargetEncodingSupported

        public boolean isTargetEncodingSupported(AudioFormat.Encoding targetEncoding)
        Indicates whether the format converter supports conversion to the specified target format encoding.
        Parameters:
        targetEncoding - the target format encoding for which support is queried
        Returns:
        true if the encoding is supported, otherwise false

      • getTargetEncodings

        public abstract AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat)
        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.
        Returns:
        array of supported target format encodings.

      • isConversionSupported

        public boolean isConversionSupported(AudioFormat.Encoding targetEncoding,
                            AudioFormat sourceFormat)
        Indicates whether the format converter supports conversion to a particular encoding from a particular format.
        Parameters:
        targetEncoding - desired encoding of the outgoing data
        sourceFormat - format of the incoming data
        Returns:
        true if the conversion is supported, otherwise false

      • getTargetFormats

        public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding,
                             AudioFormat sourceFormat)
        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.
        Returns:
        array of supported target formats.

      • isConversionSupported

        public boolean isConversionSupported(AudioFormat targetFormat,
                            AudioFormat sourceFormat)
        Indicates whether the format converter supports conversion to one particular format from another.
        Parameters:
        targetFormat - desired format of outgoing data
        sourceFormat - format of the incoming data
        Returns:
        true if the conversion is supported, otherwise false

      • getAudioInputStream

        public abstract AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding,
                                   AudioInputStream sourceStream)
        Obtains an audio input stream with the specified encoding from the given audio input stream.
        Parameters:
        targetEncoding - desired encoding of the stream after processing
        sourceStream - stream from which data to be processed should be read
        Returns:
        stream from which processed data with the specified target encoding may be read
        Throws:
        IllegalArgumentException - if the format combination supplied is not supported.

      • getAudioInputStream

        public abstract AudioInputStream getAudioInputStream(AudioFormat targetFormat,
                                   AudioInputStream sourceStream)
        Obtains an audio input stream with the specified format from the given audio input stream.
        Parameters:
        targetFormat - desired data format of the stream after processing
        sourceStream - stream from which data to be processed should be read
        Returns:
        stream from which processed data with the specified format may be read
        Throws:
        IllegalArgumentException - if the format combination supplied is not supported.

Traduction non disponible

Les API Java ne sont pas encore traduites en français sur l'infobrol. Seule la version anglaise est disponible pour l'instant.

Version en cache

22/12/2024 10:03:13 Cette version de la page est en cache (à la date du 22/12/2024 10:03:13) afin d'accélérer le traitement. Vous pouvez activer le mode utilisateur dans le menu en haut pour afficher la dernère version de la page.

Document créé le 07/12/2006, dernière modification le 04/03/2020
Source du document imprimé : https://www.gaudry.be/java-api-rf-javax/sound/sampled/spi/FormatConversionProvider.html

L'infobrol est un site personnel dont le contenu n'engage que moi. Le texte est mis à disposition sous licence CreativeCommons(BY-NC-SA). Plus d'info sur les conditions d'utilisation et sur l'auteur.

Références

  1. Consulter le document html Langue du document :fr Manuel PHP : https://docs.oracle.com, FormatConversionProvider

Ces références et liens indiquent des documents consultés lors de la rédaction de cette page, ou qui peuvent apporter un complément d'information, mais les auteurs de ces sources ne peuvent être tenus responsables du contenu de cette page.
L'auteur de ce site est seul responsable de la manière dont sont présentés ici les différents concepts, et des libertés qui sont prises avec les ouvrages de référence. N'oubliez pas que vous devez croiser les informations de sources multiples afin de diminuer les risques d'erreurs.

Table des matières Haut