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decoder.h
Package: tcpmp.rar [view]
Upload User: wstnjxml
Upload Date: 2014-04-03
Package Size: 7248k
Code Size: 15k
Category:
Windows CE
Development Platform:
C/C++
- /* libOggFLAC++ - Free Lossless Audio Codec + Ogg library
- * Copyright (C) 2002,2003,2004,2005 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef OggFLACPP__DECODER_H
- #define OggFLACPP__DECODER_H
- #include "export.h"
- #include "OggFLAC/file_decoder.h"
- #include "OggFLAC/seekable_stream_decoder.h"
- #include "OggFLAC/stream_decoder.h"
- // we only need this for the state abstraction really...
- #include "FLAC++/decoder.h"
- /** file include/OggFLAC++/decoder.h
- *
- * brief
- * This module contains the classes which implement the various
- * decoders.
- *
- * See the detailed documentation in the
- * link oggflacpp_decoder decoder endlink module.
- */
- /** defgroup oggflacpp_decoder OggFLAC++/decoder.h: decoder classes
- * ingroup oggflacpp
- *
- * brief
- * This module describes the three decoder layers provided by libOggFLAC++.
- *
- * The libOggFLAC++ decoder classes are object wrappers around their
- * counterparts in libOggFLAC. All three decoding layers available in
- * libOggFLAC are also provided here. The interface is very similar;
- * make sure to read the link oggflac_decoder libOggFLAC decoder module endlink.
- *
- * The only real difference here is that instead of passing in C function
- * pointers for callbacks, you inherit from the decoder class and provide
- * implementations for the callbacks in the derived class; because of this
- * there is no need for a 'client_data' property.
- */
- namespace OggFLAC {
- namespace Decoder {
- // ============================================================
- //
- // Equivalent: OggFLAC__StreamDecoder
- //
- // ============================================================
- /** defgroup oggflacpp_stream_decoder OggFLAC++/decoder.h: stream decoder class
- * ingroup oggflacpp_decoder
- *
- * brief
- * This class wraps the ::OggFLAC__StreamDecoder.
- *
- * See the link oggflac_stream_decoder libOggFLAC stream decoder module endlink.
- *
- * {
- */
- /** This class wraps the ::OggFLAC__StreamDecoder.
- */
- class OggFLACPP_API Stream {
- public:
- class OggFLACPP_API State {
- public:
- inline State(::OggFLAC__StreamDecoderState state): state_(state) { }
- inline operator ::OggFLAC__StreamDecoderState() const { return state_; }
- inline const char *as_cstring() const { return ::OggFLAC__StreamDecoderStateString[state_]; }
- inline const char *resolved_as_cstring(const Stream &decoder) const { return ::OggFLAC__stream_decoder_get_resolved_state_string(decoder.decoder_); }
- protected:
- ::OggFLAC__StreamDecoderState state_;
- };
- Stream();
- virtual ~Stream();
- bool is_valid() const;
- inline operator bool() const { return is_valid(); }
- bool set_serial_number(long value);
- bool set_metadata_respond(::FLAC__MetadataType type);
- bool set_metadata_respond_application(const FLAC__byte id[4]);
- bool set_metadata_respond_all();
- bool set_metadata_ignore(::FLAC__MetadataType type);
- bool set_metadata_ignore_application(const FLAC__byte id[4]);
- bool set_metadata_ignore_all();
- State get_state() const;
- FLAC::Decoder::Stream::State get_FLAC_stream_decoder_state() const;
- unsigned get_channels() const;
- ::FLAC__ChannelAssignment get_channel_assignment() const;
- unsigned get_bits_per_sample() const;
- unsigned get_sample_rate() const;
- unsigned get_blocksize() const;
- /** Initialize the instance; as with the C interface,
- * init() should be called after construction and 'set'
- * calls but before any of the 'process' calls.
- */
- State init();
- void finish();
- bool flush();
- bool reset();
- bool process_single();
- bool process_until_end_of_metadata();
- bool process_until_end_of_stream();
- protected:
- virtual ::FLAC__StreamDecoderReadStatus read_callback(FLAC__byte buffer[], unsigned *bytes) = 0;
- virtual ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]) = 0;
- virtual void metadata_callback(const ::FLAC__StreamMetadata *metadata) = 0;
- virtual void error_callback(::FLAC__StreamDecoderErrorStatus status) = 0;
- #if (defined _MSC_VER) || (defined __GNUG__ && (__GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 96))) || (defined __SUNPRO_CC)
- // lame hack: some MSVC/GCC versions can't see a protected decoder_ from nested State::resolved_as_cstring()
- friend State;
- #endif
- ::OggFLAC__StreamDecoder *decoder_;
- private:
- static ::FLAC__StreamDecoderReadStatus read_callback_(const ::OggFLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data);
- static ::FLAC__StreamDecoderWriteStatus write_callback_(const ::OggFLAC__StreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
- static void metadata_callback_(const ::OggFLAC__StreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data);
- static void error_callback_(const ::OggFLAC__StreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data);
- // Private and undefined so you can't use them:
- Stream(const Stream &);
- void operator=(const Stream &);
- };
- /* } */
- // ============================================================
- //
- // Equivalent: OggFLAC__SeekableStreamDecoder
- //
- // ============================================================
- /** defgroup oggflacpp_seekable_stream_decoder OggFLAC++/decoder.h: seekable stream decoder class
- * ingroup oggflacpp_decoder
- *
- * brief
- * This class wraps the ::OggFLAC__SeekableStreamDecoder.
- *
- * See the link oggflac_seekable_stream_decoder libOggFLAC seekable stream decoder module endlink.
- *
- * {
- */
- /** This class wraps the ::OggFLAC__SeekableStreamDecoder.
- */
- class OggFLACPP_API SeekableStream {
- public:
- class OggFLACPP_API State {
- public:
- inline State(::OggFLAC__SeekableStreamDecoderState state): state_(state) { }
- inline operator ::OggFLAC__SeekableStreamDecoderState() const { return state_; }
- inline const char *as_cstring() const { return ::OggFLAC__SeekableStreamDecoderStateString[state_]; }
- inline const char *resolved_as_cstring(const SeekableStream &decoder) const { return ::OggFLAC__seekable_stream_decoder_get_resolved_state_string(decoder.decoder_); }
- protected:
- ::OggFLAC__SeekableStreamDecoderState state_;
- };
- SeekableStream();
- virtual ~SeekableStream();
- bool is_valid() const;
- inline operator bool() const { return is_valid(); }
- bool set_serial_number(long value);
- bool set_md5_checking(bool value);
- bool set_metadata_respond(::FLAC__MetadataType type);
- bool set_metadata_respond_application(const FLAC__byte id[4]);
- bool set_metadata_respond_all();
- bool set_metadata_ignore(::FLAC__MetadataType type);
- bool set_metadata_ignore_application(const FLAC__byte id[4]);
- bool set_metadata_ignore_all();
- State get_state() const;
- OggFLAC::Decoder::Stream::State get_stream_decoder_state() const;
- FLAC::Decoder::Stream::State get_FLAC_stream_decoder_state() const;
- bool get_md5_checking() const;
- unsigned get_channels() const;
- ::FLAC__ChannelAssignment get_channel_assignment() const;
- unsigned get_bits_per_sample() const;
- unsigned get_sample_rate() const;
- unsigned get_blocksize() const;
- State init();
- bool finish();
- bool flush();
- bool reset();
- bool process_single();
- bool process_until_end_of_metadata();
- bool process_until_end_of_stream();
- bool seek_absolute(FLAC__uint64 sample);
- protected:
- virtual ::OggFLAC__SeekableStreamDecoderReadStatus read_callback(FLAC__byte buffer[], unsigned *bytes) = 0;
- virtual ::OggFLAC__SeekableStreamDecoderSeekStatus seek_callback(FLAC__uint64 absolute_byte_offset) = 0;
- virtual ::OggFLAC__SeekableStreamDecoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset) = 0;
- virtual ::OggFLAC__SeekableStreamDecoderLengthStatus length_callback(FLAC__uint64 *stream_length) = 0;
- virtual bool eof_callback() = 0;
- virtual ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]) = 0;
- virtual void metadata_callback(const ::FLAC__StreamMetadata *metadata) = 0;
- virtual void error_callback(::FLAC__StreamDecoderErrorStatus status) = 0;
- #if (defined _MSC_VER) || (defined __GNUG__ && (__GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 96))) || (defined __SUNPRO_CC)
- // lame hack: some MSVC/GCC versions can't see a protected decoder_ from nested State::resolved_as_cstring()
- friend State;
- #endif
- ::OggFLAC__SeekableStreamDecoder *decoder_;
- private:
- static ::OggFLAC__SeekableStreamDecoderReadStatus read_callback_(const ::OggFLAC__SeekableStreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data);
- static ::OggFLAC__SeekableStreamDecoderSeekStatus seek_callback_(const ::OggFLAC__SeekableStreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data);
- static ::OggFLAC__SeekableStreamDecoderTellStatus tell_callback_(const ::OggFLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
- static ::OggFLAC__SeekableStreamDecoderLengthStatus length_callback_(const ::OggFLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data);
- static FLAC__bool eof_callback_(const ::OggFLAC__SeekableStreamDecoder *decoder, void *client_data);
- static ::FLAC__StreamDecoderWriteStatus write_callback_(const ::OggFLAC__SeekableStreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
- static void metadata_callback_(const ::OggFLAC__SeekableStreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data);
- static void error_callback_(const ::OggFLAC__SeekableStreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data);
- // Private and undefined so you can't use them:
- SeekableStream(const SeekableStream &);
- void operator=(const SeekableStream &);
- };
- /* } */
- // ============================================================
- //
- // Equivalent: OggFLAC__FileDecoder
- //
- // ============================================================
- /** defgroup oggflacpp_file_decoder OggFLAC++/decoder.h: file decoder class
- * ingroup oggflacpp_decoder
- *
- * brief
- * This class wraps the ::OggFLAC__FileDecoder.
- *
- * See the link oggflac_file_decoder libOggFLAC file decoder module endlink.
- *
- * {
- */
- /** This class wraps the ::OggFLAC__FileDecoder.
- */
- class OggFLACPP_API File {
- public:
- class OggFLACPP_API State {
- public:
- inline State(::OggFLAC__FileDecoderState state): state_(state) { }
- inline operator ::OggFLAC__FileDecoderState() const { return state_; }
- inline const char *as_cstring() const { return ::OggFLAC__FileDecoderStateString[state_]; }
- inline const char *resolved_as_cstring(const File &decoder) const { return ::OggFLAC__file_decoder_get_resolved_state_string(decoder.decoder_); }
- protected:
- ::OggFLAC__FileDecoderState state_;
- };
- File();
- virtual ~File();
- bool is_valid() const;
- inline operator bool() const { return is_valid(); }
- bool set_serial_number(long value);
- bool set_md5_checking(bool value);
- bool set_filename(const char *value); //!< 'value' may not be c NULL; use "-" for stdin
- bool set_metadata_respond(::FLAC__MetadataType type);
- bool set_metadata_respond_application(const FLAC__byte id[4]);
- bool set_metadata_respond_all();
- bool set_metadata_ignore(::FLAC__MetadataType type);
- bool set_metadata_ignore_application(const FLAC__byte id[4]);
- bool set_metadata_ignore_all();
- State get_state() const;
- OggFLAC::Decoder::SeekableStream::State get_seekable_stream_decoder_state() const;
- OggFLAC::Decoder::Stream::State get_stream_decoder_state() const;
- FLAC::Decoder::Stream::State get_FLAC_stream_decoder_state() const;
- bool get_md5_checking() const;
- unsigned get_channels() const;
- ::FLAC__ChannelAssignment get_channel_assignment() const;
- unsigned get_bits_per_sample() const;
- unsigned get_sample_rate() const;
- unsigned get_blocksize() const;
- State init();
- bool finish();
- bool process_single();
- bool process_until_end_of_metadata();
- bool process_until_end_of_file();
- bool seek_absolute(FLAC__uint64 sample);
- protected:
- virtual ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]) = 0;
- virtual void metadata_callback(const ::FLAC__StreamMetadata *metadata) = 0;
- virtual void error_callback(::FLAC__StreamDecoderErrorStatus status) = 0;
- #if (defined _MSC_VER) || (defined __GNUG__ && (__GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 96))) || (defined __SUNPRO_CC)
- // lame hack: some MSVC/GCC versions can't see a protected decoder_ from nested State::resolved_as_cstring()
- friend State;
- #endif
- ::OggFLAC__FileDecoder *decoder_;
- private:
- static ::FLAC__StreamDecoderWriteStatus write_callback_(const ::OggFLAC__FileDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
- static void metadata_callback_(const ::OggFLAC__FileDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data);
- static void error_callback_(const ::OggFLAC__FileDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data);
- // Private and undefined so you can't use them:
- File(const File &);
- void operator=(const File &);
- };
- /* } */
- }
- }
- #endif