CLAM-Development
1.1
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A codec implements a file audio format support. More...
#include <AudioCodec.hxx>
Public Member Functions | |
virtual | ~Codec () |
virtual bool | IsReadable (std::string filename) const =0 |
Returns whether the filename is readable by the codec. | |
virtual bool | IsWritable (std::string filename, const AudioFileHeader &) const =0 |
Returns whether codec can write a file with such name and header parameters. | |
virtual Stream * | GetStreamFor (const AudioFile &)=0 |
Returns an Stream object to read or write on. | |
virtual void | RetrieveHeaderData (std::string uri, AudioFileHeader &)=0 |
Returns a header structure containing file information (length, encoding...) | |
virtual void | RetrieveTextDescriptors (std::string uri, AudioTextDescriptors &) |
Returns textual meta information embedded on the audio file such ID3 tags. | |
Static Public Member Functions | |
static bool | FileExists (std::string filename) |
A codec implements a file audio format support.
Subclasses should reimplement its methods to support a concrete audio file format.
Definition at line 43 of file AudioCodec.hxx.
CLAM::AudioCodecs::Codec::~Codec | ( | ) | [virtual] |
Definition at line 31 of file AudioCodec.cxx.
bool CLAM::AudioCodecs::Codec::FileExists | ( | std::string | filename | ) | [static] |
Definition at line 36 of file AudioCodec.cxx.
References NULL.
Referenced by CLAM::AudioFile::ResolveCodec().
virtual Stream* CLAM::AudioCodecs::Codec::GetStreamFor | ( | const AudioFile & | ) | [pure virtual] |
Returns an Stream object to read or write on.
Implemented in CLAM::AudioCodecs::MpegCodec, CLAM::AudioCodecs::OggVorbisCodec, and CLAM::AudioCodecs::PCMCodec.
Referenced by CLAM::AudioFile::GetStream().
virtual bool CLAM::AudioCodecs::Codec::IsReadable | ( | std::string | filename | ) | const [pure virtual] |
Returns whether the filename is readable by the codec.
Implemented in CLAM::AudioCodecs::MpegCodec, CLAM::AudioCodecs::OggVorbisCodec, and CLAM::AudioCodecs::PCMCodec.
Referenced by CLAM::AudioFile::IsReadable().
virtual bool CLAM::AudioCodecs::Codec::IsWritable | ( | std::string | filename, |
const AudioFileHeader & | |||
) | const [pure virtual] |
Returns whether codec can write a file with such name and header parameters.
Implemented in CLAM::AudioCodecs::MpegCodec, CLAM::AudioCodecs::OggVorbisCodec, and CLAM::AudioCodecs::PCMCodec.
Referenced by CLAM::AudioFile::IsWritable().
virtual void CLAM::AudioCodecs::Codec::RetrieveHeaderData | ( | std::string | uri, |
AudioFileHeader & | |||
) | [pure virtual] |
Returns a header structure containing file information (length, encoding...)
Implemented in CLAM::AudioCodecs::MpegCodec, CLAM::AudioCodecs::OggVorbisCodec, and CLAM::AudioCodecs::PCMCodec.
Referenced by CLAM::AudioFile::ActivateCodec().
void CLAM::AudioCodecs::Codec::RetrieveTextDescriptors | ( | std::string | uri, |
AudioTextDescriptors & | tdesc | ||
) | [virtual] |
Returns textual meta information embedded on the audio file such ID3 tags.
Reimplemented in CLAM::AudioCodecs::MpegCodec, and CLAM::AudioCodecs::OggVorbisCodec.
Definition at line 57 of file AudioCodec.cxx.
Referenced by CLAM::AudioFile::ActivateCodec().