include/OggFLAC++/encoder.h Source File

00001 /* libOggFLAC++ - Free Lossless Audio Codec + Ogg library
00002  * Copyright (C) 2002,2003  Josh Coalson
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Library General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Library General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Library General Public
00015  * License along with this library; if not, write to the
00016  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  * Boston, MA  02111-1307, USA.
00018  */
00019 
00020 #ifndef OggFLACPP__ENCODER_H
00021 #define OggFLACPP__ENCODER_H
00022 
00023 #include "export.h"
00024 
00025 #include "OggFLAC/stream_encoder.h"
00026 #include "decoder.h"
00027 // we only need these for the state abstractions really...
00028 #include "FLAC++/decoder.h"
00029 #include "FLAC++/encoder.h"
00030 
00031 
00059 namespace OggFLAC {
00060     namespace Encoder {
00061 
00062         // ============================================================
00063         //
00064         //  Equivalent: OggFLAC__StreamEncoder
00065         //
00066         // ============================================================
00067 
00081         class OggFLACPP_API Stream {
00082         public:
00083             class OggFLACPP_API State {
00084             public:
00085                 inline State(::OggFLAC__StreamEncoderState state): state_(state) { }
00086                 inline operator ::OggFLAC__StreamEncoderState() const { return state_; }
00087                 inline const char *as_cstring() const { return ::OggFLAC__StreamEncoderStateString[state_]; }
00088             protected:
00089                 ::OggFLAC__StreamEncoderState state_;
00090             };
00091 
00092             Stream();
00093             virtual ~Stream();
00094 
00095             bool is_valid() const;
00096             inline operator bool() const { return is_valid(); }
00097 
00098             bool set_serial_number(long value);
00099             bool set_verify(bool value);
00100             bool set_streamable_subset(bool value);
00101             bool set_do_mid_side_stereo(bool value);
00102             bool set_loose_mid_side_stereo(bool value);
00103             bool set_channels(unsigned value);
00104             bool set_bits_per_sample(unsigned value);
00105             bool set_sample_rate(unsigned value);
00106             bool set_blocksize(unsigned value);
00107             bool set_max_lpc_order(unsigned value);
00108             bool set_qlp_coeff_precision(unsigned value);
00109             bool set_do_qlp_coeff_prec_search(bool value);
00110             bool set_do_escape_coding(bool value);
00111             bool set_do_exhaustive_model_search(bool value);
00112             bool set_min_residual_partition_order(unsigned value);
00113             bool set_max_residual_partition_order(unsigned value);
00114             bool set_rice_parameter_search_dist(unsigned value);
00115             bool set_total_samples_estimate(FLAC__uint64 value);
00116             bool set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks);
00117 
00118             State    get_state() const;
00119             FLAC::Encoder::Stream::State get_FLAC_stream_encoder_state() const;
00120             FLAC::Decoder::Stream::State get_verify_decoder_state() const;
00121             void get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got);
00122             bool     get_verify() const;
00123             bool     get_streamable_subset() const;
00124             bool     get_do_mid_side_stereo() const;
00125             bool     get_loose_mid_side_stereo() const;
00126             unsigned get_channels() const;
00127             unsigned get_bits_per_sample() const;
00128             unsigned get_sample_rate() const;
00129             unsigned get_blocksize() const;
00130             unsigned get_max_lpc_order() const;
00131             unsigned get_qlp_coeff_precision() const;
00132             bool     get_do_qlp_coeff_prec_search() const;
00133             bool     get_do_escape_coding() const;
00134             bool     get_do_exhaustive_model_search() const;
00135             unsigned get_min_residual_partition_order() const;
00136             unsigned get_max_residual_partition_order() const;
00137             unsigned get_rice_parameter_search_dist() const;
00138             FLAC__uint64 get_total_samples_estimate() const;
00139 
00140             State init();
00141 
00142             void finish();
00143 
00144             bool process(const FLAC__int32 * const buffer[], unsigned samples);
00145             bool process_interleaved(const FLAC__int32 buffer[], unsigned samples);
00146         protected:
00147             virtual ::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame) = 0;
00148 
00149             ::OggFLAC__StreamEncoder *encoder_;
00150         private:
00151             static ::FLAC__StreamEncoderWriteStatus write_callback_(const ::OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);
00152 
00153             // Private and undefined so you can't use them:
00154             Stream(const Stream &);
00155             void operator=(const Stream &);
00156         };
00157 
00158         /* \} */
00159 
00160     };
00161 };
00162 
00163 #endif