include/OggFLAC++/encoder.h

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/* libOggFLAC++ - Free Lossless Audio Codec + Ogg library
 * Copyright (C) 2002,2003  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__ENCODER_H
#define OggFLACPP__ENCODER_H

#include "export.h"

#include "OggFLAC/stream_encoder.h"
#include "decoder.h"
// we only need these for the state abstractions really...
#include "FLAC++/decoder.h"
#include "FLAC++/encoder.h"


namespace OggFLAC {
    namespace Encoder {

        // ============================================================
        //
        //  Equivalent: OggFLAC__StreamEncoder
        //
        // ============================================================

        class OggFLACPP_API Stream {
        public:
            class OggFLACPP_API State {
            public:
                inline State(::OggFLAC__StreamEncoderState state): state_(state) { }
                inline operator ::OggFLAC__StreamEncoderState() const { return state_; }
                inline const char *as_cstring() const { return ::OggFLAC__StreamEncoderStateString[state_]; }
            protected:
                ::OggFLAC__StreamEncoderState state_;
            };

            Stream();
            virtual ~Stream();

            bool is_valid() const;
            inline operator bool() const { return is_valid(); }

            bool set_serial_number(long value);
            bool set_verify(bool value);
            bool set_streamable_subset(bool value);
            bool set_do_mid_side_stereo(bool value);
            bool set_loose_mid_side_stereo(bool value);
            bool set_channels(unsigned value);
            bool set_bits_per_sample(unsigned value);
            bool set_sample_rate(unsigned value);
            bool set_blocksize(unsigned value);
            bool set_max_lpc_order(unsigned value);
            bool set_qlp_coeff_precision(unsigned value);
            bool set_do_qlp_coeff_prec_search(bool value);
            bool set_do_escape_coding(bool value);
            bool set_do_exhaustive_model_search(bool value);
            bool set_min_residual_partition_order(unsigned value);
            bool set_max_residual_partition_order(unsigned value);
            bool set_rice_parameter_search_dist(unsigned value);
            bool set_total_samples_estimate(FLAC__uint64 value);
            bool set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks);

            State    get_state() const;
            FLAC::Encoder::Stream::State get_FLAC_stream_encoder_state() const;
            FLAC::Decoder::Stream::State get_verify_decoder_state() const;
            void get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got);
            bool     get_verify() const;
            bool     get_streamable_subset() const;
            bool     get_do_mid_side_stereo() const;
            bool     get_loose_mid_side_stereo() const;
            unsigned get_channels() const;
            unsigned get_bits_per_sample() const;
            unsigned get_sample_rate() const;
            unsigned get_blocksize() const;
            unsigned get_max_lpc_order() const;
            unsigned get_qlp_coeff_precision() const;
            bool     get_do_qlp_coeff_prec_search() const;
            bool     get_do_escape_coding() const;
            bool     get_do_exhaustive_model_search() const;
            unsigned get_min_residual_partition_order() const;
            unsigned get_max_residual_partition_order() const;
            unsigned get_rice_parameter_search_dist() const;
            FLAC__uint64 get_total_samples_estimate() const;

            State init();

            void finish();

            bool process(const FLAC__int32 * const buffer[], unsigned samples);
            bool process_interleaved(const FLAC__int32 buffer[], unsigned samples);
        protected:
            virtual ::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame) = 0;

            ::OggFLAC__StreamEncoder *encoder_;
        private:
            static ::FLAC__StreamEncoderWriteStatus write_callback_(const ::OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);

            // Private and undefined so you can't use them:
            Stream(const Stream &);
            void operator=(const Stream &);
        };

        /* \} */

    };
};

#endif

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