file_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.

 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_sample_rate(FLAC__FileEncoder *encoder, unsigned value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_blocksize(FLAC__FileEncoder *encoder, unsigned value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_max_lpc_order(FLAC__FileEncoder *encoder, unsigned value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_stream_encoder_set_qlp_coeff_precision().
 *
 * \note
 * In the current implementation, qlp_coeff_precision + bits_per_sample must
 * be less than 32.
 *
 * \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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_qlp_coeff_precision(FLAC__FileEncoder *encoder, unsigned value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_stream_encoder_set_do_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_do_qlp_coeff_prec_search(FLAC__FileEncoder *encoder, FLAC__bool value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_do_escape_coding(FLAC__FileEncoder *encoder, FLAC__bool value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_do_exhaustive_model_search(FLAC__FileEncoder *encoder, FLAC__bool value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_min_residual_partition_order(FLAC__FileEncoder *encoder, unsigned value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_max_residual_partition_order(FLAC__FileEncoder *encoder, unsigned value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_rice_parameter_search_dist(FLAC__FileEncoder *encoder, unsigned value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_total_samples_estimate(FLAC__FileEncoder *encoder, FLAC__uint64 value);

/** This is inherited from FLAC__SeekableStreamEncoder; see
 *  FLAC__seekable_stream_encoder_set_metadata().
 *
 * \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, else \c true.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_metadata(FLAC__FileEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks);

/** Set the output file name encode to.
 *
 * \note
 * The filename is mandatory and must be set before initialization.
 *
 * \note
 * Unlike the FLAC__FileDecoder, the filename does not interpret "-" for
 * \c stdout; writing to \c stdout is not relevant in the file encoder.
 *
 * \default \c NULL
 * \param  encoder  A encoder instance to set.
 * \param  value    The output file name.
 * \assert
 *    \code encoder != NULL \endcode
 *    \code value != NULL \endcode
 * \retval FLAC__bool
 *    \c false if the encoder is already initialized, or there was a memory
 *    allocation error, else \c true.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_filename(FLAC__FileEncoder *encoder, const char *value);

/** Set the progress callback.
 *  The supplied function will be called when the encoder has finished
 *  writing a frame.  The \c total_frames_estimate argument to the callback
 *  will be based on the value from
 *  FLAC__file_encoder_set_total_samples_estimate().
 *
 * \note
 * Unlike most other callbacks, the progress callback is \b not mandatory
 * and need not 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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_progress_callback(FLAC__FileEncoder *encoder, FLAC__FileEncoderProgressCallback 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.
 */
FLAC_API FLAC__bool FLAC__file_encoder_set_client_data(FLAC__FileEncoder *encoder, void *value);

/** Get the current encoder state.
 *
 * \param  encoder  An encoder instance to query.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__FileEncoderState
 *    The current encoder state.
 */
FLAC_API FLAC__FileEncoderState FLAC__file_encoder_get_state(const FLAC__FileEncoder *encoder);

/** Get the state of the underlying seekable stream encoder.
 *  Useful when the file encoder state is
 *  \c FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR.
 *
 * \param  encoder  An encoder instance to query.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__SeekableStreamEncoderState
 *    The seekable stream encoder state.
 */
FLAC_API FLAC__SeekableStreamEncoderState FLAC__file_encoder_get_seekable_stream_encoder_state(const FLAC__FileEncoder *encoder);

/** Get the state of the underlying stream encoder.
 *  Useful when the file encoder state is
 *  \c FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR and the seekable stream
 *  encoder state is \c FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR.
 *
 * \param  encoder  An encoder instance to query.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__StreamEncoderState
 *    The seekable stream encoder state.
 */
FLAC_API FLAC__StreamEncoderState FLAC__file_encoder_get_stream_encoder_state(const FLAC__FileEncoder *encoder);

/** Get the state of the underlying stream encoder's verify decoder.
 *  Useful when the file encoder state is
 *  \c FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR and the seekable stream
 *  encoder state is \c FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR and
 *  the stream encoder state is \c FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR.
 *
 * \param  encoder  An encoder instance to query.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval FLAC__StreamDecoderState
 *    The stream encoder state.
 */
FLAC_API FLAC__StreamDecoderState FLAC__file_encoder_get_verify_decoder_state(const FLAC__FileEncoder *encoder);

/** Get the current encoder state as a C string.
 *  This version automatically resolves
 *  \c FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR by getting the
 *  seekable stream encoder's state.
 *
 * \param  encoder  A encoder instance to query.
 * \assert
 *    \code encoder != NULL \endcode
 * \retval const char *
 *    The encoder state as a C string.  Do not modify the contents.
 */
FLAC_API const char *FLAC__file_encoder_get_resolved_state_string(const FLAC__FileEncoder *encoder);

/** Get relevant values about the nature of a verify decoder error.
 *  Inherited from FLAC__seekable_stream_encoder_get_verify_decoder_error_stats().
 *  Useful when the file encoder state is
 *  \c FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR and the seekable stream
 *  encoder state is
 *  \c FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR and the
 *  stream encoder state is
 *  \c FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR.
 *
 * \param  encoder  An encoder instance to query.
 * \param  absolute_sample  The absolute sample number of the mismatch.
 * \param  frame_number  The number of the frame in which the mismatch occurred.
 * \param  channel       The channel in which the mismatch occurred.