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Audio Class Reference

Play audio clips. More...

List of all members.

Public Methods
	Audio (const std::string &url, Doc *relative=0)
	Constructor.
	~Audio ()
	Destructor.
bool	setURL (const std::string &url, Doc *relative=0)
	Set the URL of the audio file and read it from the document object.
bool	tryURLs (const MFString &urls, Doc *relative=0)
	Try a list of URLs.
const char *	url () const
	Get the URL of the clip.
AudioEncoding	encoding () const
int	channels () const
int	bitsPerSample () const
int	samplesPerSec () const
int	sampleBlockSize () const
int	numSamples () const
int	numBytes () const
const unsigned char *	samples () const
double	duration () const
int	getByteIndex (double time_index) const
Private Methods
bool	wavread (FILE *fp)
	Read a WAV file.
Private Attributes
Doc *	_doc
AudioEncoding	_encoding
int	_channels
int	_bits_per_sample
int	_samples_per_sec
int	_sample_blocksize
int	_num_samples
unsigned char *	_samples

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Detailed Description

Play audio clips.

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Constructor & Destructor Documentation

Audio (  const std::string &    url, Doc *    relative = 0 )  [explicit]

Constructor. Parameters: url  URL string. relative  Doc object.

~Audio (    )

Destructor.

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Member Function Documentation

bool setURL (  const std::string &    url, Doc *    relative = 0 )

Set the URL of the audio file and read it from the document object. Parameters: url  URL string. relative  Doc object. Returns: true if the URL was read; false otherwise.

bool tryURLs (  const MFString &    urls, Doc *    relative = 0 )

Try a list of URLs. Parameters: urls  list of URLs. relative  Doc object.

const char * url (    )  const

Get the URL of the clip. Returns: the URL, or 0 if none exists.

bool wavread (  FILE *    fp )  [private]

Read a WAV file. Parameters: fp  file handle. Returns: true if the read succeeded; false otherwise.