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Copy pathFactoryNormalisationImplementation.cpp
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66 lines (60 loc) · 2.45 KB
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/*
* Copyright (c) 2017 Spotify AB.
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include "FactoryNormalisationImplementation.h"
#include "DecoderNormalisationImplementation.h"
namespace nativeformat {
namespace decoder {
FactoryNormalisationImplementation::FactoryNormalisationImplementation(
std::shared_ptr<Factory> wrapped_factory)
: _wrapped_factory(wrapped_factory) {}
FactoryNormalisationImplementation::~FactoryNormalisationImplementation() {}
void FactoryNormalisationImplementation::createDecoder(
const std::string &path,
const std::string &mime_type,
const CREATE_DECODER_CALLBACK create_decoder_callback,
const ERROR_DECODER_CALLBACK error_decoder_callback,
double samplerate,
int channels) {
_wrapped_factory->createDecoder(
path,
mime_type,
[create_decoder_callback, error_decoder_callback, samplerate, channels](
std::shared_ptr<Decoder> decoder) {
if (!decoder) {
create_decoder_callback(decoder);
return;
}
// No point in normalising an already normalised decoder
if (decoder->sampleRate() == samplerate && decoder->channels() == channels) {
create_decoder_callback(decoder);
return;
}
auto normalised_decoder =
std::make_shared<DecoderNormalisationImplementation>(decoder, samplerate, channels);
normalised_decoder->load(error_decoder_callback,
[create_decoder_callback, normalised_decoder](bool success) {
create_decoder_callback(normalised_decoder);
});
},
error_decoder_callback);
}
} // namespace decoder
} // namespace nativeformat