seekable_stream_encoder.h

这是著名的TCPMP播放器在WINDWOWS,和WINCE下编译通过的源程序.笔者对其中的LIBMAD库做了针对ARM MPU的优化. 并增加了词幕功能.

 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_mid_side_stereo(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_loose_mid_side_stereo()
 *
 * \default \c false
 * \param  encoder  An encoder instance to set.
 * \param  value    Flag value (see above).
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_loose_mid_side_stereo(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_channels()
 *
 * \default \c 2
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_channels(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_bits_per_sample()
 *
 * \default \c 16
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_bits_per_sample(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_sample_rate()
 *
 * \default \c 44100
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_sample_rate(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_blocksize()
 *
 * \default \c 1152
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_blocksize(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_max_lpc_order()
 *
 * \default \c 0
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_max_lpc_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_qlp_coeff_precision()
 *
 * \default \c 0
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_qlp_coeff_precision(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_qlp_coeff_prec_search()
 *
 * \default \c false
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_do_escape_coding()
 *
 * \default \c false
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_escape_coding(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_do_exhaustive_model_search()
 *
 * \default \c false
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_exhaustive_model_search(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_min_residual_partition_order()
 *
 * \default \c 0
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_min_residual_partition_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_max_residual_partition_order()
 *
 * \default \c 0
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_max_residual_partition_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_rice_parameter_search_dist()
 *
 * \default \c 0
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_rice_parameter_search_dist(OggFLAC__SeekableStreamEncoder *encoder, unsigned value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_total_samples_estimate()
 *
 * \default \c 0
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_total_samples_estimate(OggFLAC__SeekableStreamEncoder *encoder, FLAC__uint64 value);

/** This is inherited from FLAC__StreamEncoder; see FLAC__stream_encoder_set_metadata()
 *
 * \note The Ogg FLAC mapping requires that the VORBIS_COMMENT block be
 * the second metadata block of the stream.  The encoder already supplies
 * the STREAMINFO block automatically.  If \a metadata does not contain a
 * VORBIS_COMMENT block, the encoder will supply that too.  Otherwise, if
 * \a metadata does contain a VORBIS_COMMENT block and it is not the
 * first, this function will reorder \a metadata by moving the
 * VORBIS_COMMENT block to the front; the relative ordering of the other
 * blocks will remain as they were.
 *
 * \note The Ogg FLAC mapping limits the number of metadata blocks per
 * stream to \c 65535.  If \a num_blocks exceeds this the function will
 * return \c false.
 *
 * \default \c NULL, 0
 * \param  encoder     An encoder instance to set.
 * \param  metadata    See above.
 * \param  num_blocks  See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, or if
 *    \a num_blocks > 65535, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_metadata(OggFLAC__SeekableStreamEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks);

/** Set the read callback.
 *  The supplied function will be called when the encoder needs to read back
 *  encoded data.  This happens during the metadata callback, when the encoder
 *  has to read, modify, and rewrite the metadata (e.g. seekpoints) gathered
 *  while encoding.  The address of the buffer to be filled is supplied, along
 *  with the number of bytes the buffer can hold.  The callback may choose to
 *  supply less data and modify the byte count but must be careful not to
 *  overflow the buffer.  The callback then returns a status code chosen from
 *  OggFLAC__SeekableStreamEncoderReadStatus.
 *
 * \note
 * The callback is mandatory and must be set before initialization.
 *
 * \default \c NULL
 * \param  encoder  A encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 *    \code value != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_read_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderReadCallback value);

/** Set the seek callback.
 *  The supplied function will be called when the encoder needs to seek
 *  the output stream.  The encoder will pass the absolute byte offset
 *  to seek to, 0 meaning the beginning of the stream.
 *
 * \note
 * The callback is mandatory and must be set before initialization.
 *
 * \default \c NULL
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 *    \code value != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_seek_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderSeekCallback value);

/** Set the tell callback.
 *  The supplied function will be called when the encoder needs to know
 *  the current position of the output stream.
 *
 * \note
 * The callback is mandatory and must be set before initialization.
 *
 * \default \c NULL
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 *    \code value != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_tell_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderTellCallback value);

/** Set the write callback.
 *  This is inherited from FLAC__StreamEncoder; see
 *  FLAC__stream_encoder_set_write_callback().
 *
 * \note
 * Unlike the FLAC seekable stream encoder write callback, the Ogg
 * seekable stream encoder write callback will be called twice when
 * writing audio frames; once for the page header, and once for the page
 * body.  When writing the page header, the \a samples argument to the
 * write callback will be \c 0.
 *
 * \note
 * The callback is mandatory and must be set before initialization.
 *
 * \default \c NULL
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 *    \code value != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_write_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderWriteCallback value);

/** Set the client data to be passed back to callbacks.
 *  This value will be supplied to callbacks in their \a client_data
 *  argument.
 *
 * \default \c NULL
 * \param  encoder  An encoder instance to set.
 * \param  value    See above.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, else \c true.
 */
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_client_data(OggFLAC__SeekableStreamEncoder *encoder, void *value);

/** Get the current encoder state.
 *
 * \param  encoder  An encoder instance to query.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval OggFLAC__SeekableStreamEncoderState
 *    The current encoder state.
 */
OggFLAC_API OggFLAC__SeekableStreamEncoderState OggFLAC__seekable_stream_encoder_get_state(const OggFLAC__SeekableStreamEncoder *encoder);

/** Get the state of the underlying FLAC stream encoder.
 *  Useful when the seekable stream encoder state is
 *  \c OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR.