mirror of
https://github.com/cookiengineer/audacity
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517 lines
16 KiB
C++
517 lines
16 KiB
C++
/* libFLAC++ - Free Lossless Audio Codec library
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* Copyright (C) 2002-2009 Josh Coalson
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* Copyright (C) 2011-2014 Xiph.Org Foundation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "FLAC++/encoder.h"
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#include "FLAC++/metadata.h"
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#include "FLAC/assert.h"
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#ifdef _MSC_VER
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// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning)
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#pragma warning ( disable : 4800 )
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#endif
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namespace FLAC {
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namespace Encoder {
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// ------------------------------------------------------------
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//
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// Stream
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//
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// ------------------------------------------------------------
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Stream::Stream():
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encoder_(::FLAC__stream_encoder_new())
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{ }
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Stream::~Stream()
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{
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if(0 != encoder_) {
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(void)::FLAC__stream_encoder_finish(encoder_);
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::FLAC__stream_encoder_delete(encoder_);
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}
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}
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bool Stream::is_valid() const
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{
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return 0 != encoder_;
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}
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bool Stream::set_ogg_serial_number(long value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_ogg_serial_number(encoder_, value);
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}
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bool Stream::set_verify(bool value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_verify(encoder_, value);
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}
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bool Stream::set_streamable_subset(bool value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_streamable_subset(encoder_, value);
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}
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bool Stream::set_channels(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_channels(encoder_, value);
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}
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bool Stream::set_bits_per_sample(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_bits_per_sample(encoder_, value);
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}
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bool Stream::set_sample_rate(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_sample_rate(encoder_, value);
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}
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bool Stream::set_compression_level(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_compression_level(encoder_, value);
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}
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bool Stream::set_blocksize(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_blocksize(encoder_, value);
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}
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bool Stream::set_do_mid_side_stereo(bool value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_do_mid_side_stereo(encoder_, value);
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}
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bool Stream::set_loose_mid_side_stereo(bool value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_loose_mid_side_stereo(encoder_, value);
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}
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bool Stream::set_apodization(const char *specification)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_apodization(encoder_, specification);
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}
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bool Stream::set_max_lpc_order(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_max_lpc_order(encoder_, value);
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}
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bool Stream::set_qlp_coeff_precision(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_qlp_coeff_precision(encoder_, value);
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}
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bool Stream::set_do_qlp_coeff_prec_search(bool value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder_, value);
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}
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bool Stream::set_do_escape_coding(bool value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_do_escape_coding(encoder_, value);
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}
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bool Stream::set_do_exhaustive_model_search(bool value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_do_exhaustive_model_search(encoder_, value);
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}
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bool Stream::set_min_residual_partition_order(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_min_residual_partition_order(encoder_, value);
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}
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bool Stream::set_max_residual_partition_order(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_max_residual_partition_order(encoder_, value);
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}
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bool Stream::set_rice_parameter_search_dist(unsigned value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_rice_parameter_search_dist(encoder_, value);
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}
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bool Stream::set_total_samples_estimate(FLAC__uint64 value)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_total_samples_estimate(encoder_, value);
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}
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bool Stream::set_metadata(::FLAC__StreamMetadata **metadata, unsigned num_blocks)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_set_metadata(encoder_, metadata, num_blocks);
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}
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bool Stream::set_metadata(FLAC::Metadata::Prototype **metadata, unsigned num_blocks)
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{
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FLAC__ASSERT(is_valid());
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#ifndef HAVE_CXX_VARARRAYS
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// some compilers (MSVC++, Borland C, SunPro, some GCCs w/ -pedantic) can't handle:
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// ::FLAC__StreamMetadata *m[num_blocks];
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// so we do this ugly workaround
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::FLAC__StreamMetadata **m = new ::FLAC__StreamMetadata*[num_blocks];
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#else
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::FLAC__StreamMetadata *m[num_blocks];
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#endif
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for(unsigned i = 0; i < num_blocks; i++) {
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// we can get away with the const_cast since we know the encoder will only correct the is_last flags
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m[i] = const_cast< ::FLAC__StreamMetadata*>(static_cast<const ::FLAC__StreamMetadata*>(*metadata[i]));
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}
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#ifndef HAVE_CXX_VARARRAYS
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// complete the hack
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const bool ok = (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
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delete [] m;
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return ok;
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#else
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return (bool)::FLAC__stream_encoder_set_metadata(encoder_, m, num_blocks);
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#endif
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}
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Stream::State Stream::get_state() const
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{
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FLAC__ASSERT(is_valid());
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return State(::FLAC__stream_encoder_get_state(encoder_));
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}
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Decoder::Stream::State Stream::get_verify_decoder_state() const
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{
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FLAC__ASSERT(is_valid());
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return Decoder::Stream::State(::FLAC__stream_encoder_get_verify_decoder_state(encoder_));
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}
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void Stream::get_verify_decoder_error_stats(FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
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{
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FLAC__ASSERT(is_valid());
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::FLAC__stream_encoder_get_verify_decoder_error_stats(encoder_, absolute_sample, frame_number, channel, sample, expected, got);
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}
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bool Stream::get_verify() const
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_get_verify(encoder_);
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}
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bool Stream::get_streamable_subset() const
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_get_streamable_subset(encoder_);
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}
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bool Stream::get_do_mid_side_stereo() const
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_get_do_mid_side_stereo(encoder_);
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}
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bool Stream::get_loose_mid_side_stereo() const
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_get_loose_mid_side_stereo(encoder_);
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}
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unsigned Stream::get_channels() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_channels(encoder_);
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}
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unsigned Stream::get_bits_per_sample() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_bits_per_sample(encoder_);
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}
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unsigned Stream::get_sample_rate() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_sample_rate(encoder_);
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}
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unsigned Stream::get_blocksize() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_blocksize(encoder_);
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}
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unsigned Stream::get_max_lpc_order() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_max_lpc_order(encoder_);
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}
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unsigned Stream::get_qlp_coeff_precision() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_qlp_coeff_precision(encoder_);
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}
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bool Stream::get_do_qlp_coeff_prec_search() const
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder_);
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}
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bool Stream::get_do_escape_coding() const
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_get_do_escape_coding(encoder_);
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}
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bool Stream::get_do_exhaustive_model_search() const
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_get_do_exhaustive_model_search(encoder_);
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}
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unsigned Stream::get_min_residual_partition_order() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_min_residual_partition_order(encoder_);
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}
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unsigned Stream::get_max_residual_partition_order() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_max_residual_partition_order(encoder_);
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}
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unsigned Stream::get_rice_parameter_search_dist() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_rice_parameter_search_dist(encoder_);
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}
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FLAC__uint64 Stream::get_total_samples_estimate() const
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_get_total_samples_estimate(encoder_);
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}
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::FLAC__StreamEncoderInitStatus Stream::init()
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_init_stream(encoder_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
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}
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::FLAC__StreamEncoderInitStatus Stream::init_ogg()
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_init_ogg_stream(encoder_, read_callback_, write_callback_, seek_callback_, tell_callback_, metadata_callback_, /*client_data=*/(void*)this);
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}
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bool Stream::finish()
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_finish(encoder_);
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}
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bool Stream::process(const FLAC__int32 * const buffer[], unsigned samples)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_process(encoder_, buffer, samples);
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}
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bool Stream::process_interleaved(const FLAC__int32 buffer[], unsigned samples)
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{
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FLAC__ASSERT(is_valid());
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return (bool)::FLAC__stream_encoder_process_interleaved(encoder_, buffer, samples);
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}
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::FLAC__StreamEncoderReadStatus Stream::read_callback(FLAC__byte buffer[], size_t *bytes)
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{
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(void)buffer, (void)bytes;
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return ::FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED;
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}
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::FLAC__StreamEncoderSeekStatus Stream::seek_callback(FLAC__uint64 absolute_byte_offset)
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{
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(void)absolute_byte_offset;
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return ::FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
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}
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::FLAC__StreamEncoderTellStatus Stream::tell_callback(FLAC__uint64 *absolute_byte_offset)
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{
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(void)absolute_byte_offset;
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return ::FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED;
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}
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void Stream::metadata_callback(const ::FLAC__StreamMetadata *metadata)
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{
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(void)metadata;
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}
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::FLAC__StreamEncoderReadStatus Stream::read_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
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{
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(void)encoder;
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FLAC__ASSERT(0 != client_data);
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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->read_callback(buffer, bytes);
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}
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::FLAC__StreamEncoderWriteStatus Stream::write_callback_(const ::FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data)
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{
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(void)encoder;
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FLAC__ASSERT(0 != client_data);
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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->write_callback(buffer, bytes, samples, current_frame);
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}
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::FLAC__StreamEncoderSeekStatus Stream::seek_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
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{
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(void)encoder;
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FLAC__ASSERT(0 != client_data);
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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->seek_callback(absolute_byte_offset);
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}
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::FLAC__StreamEncoderTellStatus Stream::tell_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
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{
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(void)encoder;
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FLAC__ASSERT(0 != client_data);
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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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return instance->tell_callback(absolute_byte_offset);
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}
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void Stream::metadata_callback_(const ::FLAC__StreamEncoder *encoder, const ::FLAC__StreamMetadata *metadata, void *client_data)
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{
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(void)encoder;
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FLAC__ASSERT(0 != client_data);
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Stream *instance = reinterpret_cast<Stream *>(client_data);
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FLAC__ASSERT(0 != instance);
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instance->metadata_callback(metadata);
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}
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// ------------------------------------------------------------
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//
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// File
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//
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// ------------------------------------------------------------
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File::File():
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Stream()
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{ }
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File::~File()
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{
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}
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::FLAC__StreamEncoderInitStatus File::init(FILE *file)
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_init_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
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}
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::FLAC__StreamEncoderInitStatus File::init(const char *filename)
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_init_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
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}
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::FLAC__StreamEncoderInitStatus File::init(const std::string &filename)
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{
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return init(filename.c_str());
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}
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::FLAC__StreamEncoderInitStatus File::init_ogg(FILE *file)
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_init_ogg_FILE(encoder_, file, progress_callback_, /*client_data=*/(void*)this);
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}
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::FLAC__StreamEncoderInitStatus File::init_ogg(const char *filename)
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{
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FLAC__ASSERT(is_valid());
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return ::FLAC__stream_encoder_init_ogg_file(encoder_, filename, progress_callback_, /*client_data=*/(void*)this);
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}
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::FLAC__StreamEncoderInitStatus File::init_ogg(const std::string &filename)
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{
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return init_ogg(filename.c_str());
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}
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// This is a dummy to satisfy the pure virtual from Stream; the
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// read callback will never be called since we are initializing
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// with FLAC__stream_decoder_init_FILE() or
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// FLAC__stream_decoder_init_file() and those supply the read
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// callback internally.
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::FLAC__StreamEncoderWriteStatus File::write_callback(const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame)
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{
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(void)buffer, (void)bytes, (void)samples, (void)current_frame;
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FLAC__ASSERT(false);
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return ::FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; // double protection
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}
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void File::progress_callback(FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate)
|
|
{
|
|
(void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate;
|
|
}
|
|
|
|
void File::progress_callback_(const ::FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
|
|
{
|
|
(void)encoder;
|
|
FLAC__ASSERT(0 != client_data);
|
|
File *instance = reinterpret_cast<File *>(client_data);
|
|
FLAC__ASSERT(0 != instance);
|
|
instance->progress_callback(bytes_written, samples_written, frames_written, total_frames_estimate);
|
|
}
|
|
|
|
}
|
|
}
|