diff options
Diffstat (limited to 'extern/audaspace/src/generator')
| -rw-r--r-- | extern/audaspace/src/generator/Sawtooth.cpp | 38 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/SawtoothReader.cpp | 83 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/Silence.cpp | 31 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/SilenceReader.cpp | 63 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/Sine.cpp | 38 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/SineReader.cpp | 75 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/Square.cpp | 38 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/SquareReader.cpp | 83 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/Triangle.cpp | 38 | ||||
| -rw-r--r-- | extern/audaspace/src/generator/TriangleReader.cpp | 83 |
10 files changed, 570 insertions, 0 deletions
diff --git a/extern/audaspace/src/generator/Sawtooth.cpp b/extern/audaspace/src/generator/Sawtooth.cpp new file mode 100644 index 00000000000..f5acad44839 --- /dev/null +++ b/extern/audaspace/src/generator/Sawtooth.cpp @@ -0,0 +1,38 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/Sawtooth.h" +#include "generator/SawtoothReader.h" + +AUD_NAMESPACE_BEGIN + +Sawtooth::Sawtooth(float frequency, SampleRate sampleRate) : + m_frequency(frequency), + m_sampleRate(sampleRate) +{ +} + +float Sawtooth::getFrequency() const +{ + return m_frequency; +} + +std::shared_ptr<IReader> Sawtooth::createReader() +{ + return std::shared_ptr<IReader>(new SawtoothReader(m_frequency, m_sampleRate)); +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/SawtoothReader.cpp b/extern/audaspace/src/generator/SawtoothReader.cpp new file mode 100644 index 00000000000..3664b8d3b61 --- /dev/null +++ b/extern/audaspace/src/generator/SawtoothReader.cpp @@ -0,0 +1,83 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/SawtoothReader.h" + +#include <cmath> + +AUD_NAMESPACE_BEGIN + +SawtoothReader::SawtoothReader(float frequency, SampleRate sampleRate) : + m_frequency(frequency), + m_position(0), + m_sample(0), + m_sampleRate(sampleRate) +{ +} + +void SawtoothReader::setFrequency(float frequency) +{ + m_frequency = frequency; +} + +bool SawtoothReader::isSeekable() const +{ + return true; +} + +void SawtoothReader::seek(int position) +{ + m_position = position; + m_sample = std::fmod(m_position * m_frequency / (float)m_sampleRate + 1.0f, 2.0f) - 1.0f; +} + +int SawtoothReader::getLength() const +{ + return -1; +} + +int SawtoothReader::getPosition() const +{ + return m_position; +} + +Specs SawtoothReader::getSpecs() const +{ + Specs specs; + specs.rate = m_sampleRate; + specs.channels = CHANNELS_MONO; + return specs; +} + +void SawtoothReader::read(int& length, bool& eos, sample_t* buffer) +{ + float k = 2.0 * m_frequency / m_sampleRate; + + for(int i = 0; i < length; i++) + { + m_sample += k; + + if(m_sample >= 1.0f) + m_sample -= std::floor(m_sample) + 1.0f; + + buffer[i] = m_sample; + } + + m_position += length; + eos = false; +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/Silence.cpp b/extern/audaspace/src/generator/Silence.cpp new file mode 100644 index 00000000000..a173a1bc5f6 --- /dev/null +++ b/extern/audaspace/src/generator/Silence.cpp @@ -0,0 +1,31 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/Silence.h" +#include "generator/SilenceReader.h" + +AUD_NAMESPACE_BEGIN + +Silence::Silence() +{ +} + +std::shared_ptr<IReader> Silence::createReader() +{ + return std::shared_ptr<IReader>(new SilenceReader()); +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/SilenceReader.cpp b/extern/audaspace/src/generator/SilenceReader.cpp new file mode 100644 index 00000000000..39358cc087a --- /dev/null +++ b/extern/audaspace/src/generator/SilenceReader.cpp @@ -0,0 +1,63 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/SilenceReader.h" + +#include <cstring> + +AUD_NAMESPACE_BEGIN + +SilenceReader::SilenceReader() : + m_position(0) +{ +} + +bool SilenceReader::isSeekable() const +{ + return true; +} + +void SilenceReader::seek(int position) +{ + m_position = position; +} + +int SilenceReader::getLength() const +{ + return -1; +} + +int SilenceReader::getPosition() const +{ + return m_position; +} + +Specs SilenceReader::getSpecs() const +{ + Specs specs; + specs.rate = RATE_48000; + specs.channels = CHANNELS_MONO; + return specs; +} + +void SilenceReader::read(int& length, bool& eos, sample_t* buffer) +{ + std::memset(buffer, 0, length * sizeof(sample_t)); + m_position += length; + eos = false; +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/Sine.cpp b/extern/audaspace/src/generator/Sine.cpp new file mode 100644 index 00000000000..b7cdc132df6 --- /dev/null +++ b/extern/audaspace/src/generator/Sine.cpp @@ -0,0 +1,38 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/Sine.h" +#include "generator/SineReader.h" + +AUD_NAMESPACE_BEGIN + +Sine::Sine(float frequency, SampleRate sampleRate) : + m_frequency(frequency), + m_sampleRate(sampleRate) +{ +} + +float Sine::getFrequency() const +{ + return m_frequency; +} + +std::shared_ptr<IReader> Sine::createReader() +{ + return std::shared_ptr<IReader>(new SineReader(m_frequency, m_sampleRate)); +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/SineReader.cpp b/extern/audaspace/src/generator/SineReader.cpp new file mode 100644 index 00000000000..49b7cc3114b --- /dev/null +++ b/extern/audaspace/src/generator/SineReader.cpp @@ -0,0 +1,75 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/SineReader.h" + +#include <cmath> + +AUD_NAMESPACE_BEGIN + +SineReader::SineReader(float frequency, SampleRate sampleRate) : + m_frequency(frequency), + m_position(0), + m_sampleRate(sampleRate) +{ +} + +void SineReader::setFrequency(float frequency) +{ + m_frequency = frequency; +} + +bool SineReader::isSeekable() const +{ + return true; +} + +void SineReader::seek(int position) +{ + m_position = position; +} + +int SineReader::getLength() const +{ + return -1; +} + +int SineReader::getPosition() const +{ + return m_position; +} + +Specs SineReader::getSpecs() const +{ + Specs specs; + specs.rate = m_sampleRate; + specs.channels = CHANNELS_MONO; + return specs; +} + +void SineReader::read(int& length, bool& eos, sample_t* buffer) +{ + // fill with sine data + for(int i = 0; i < length; i++) + { + buffer[i] = std::sin((m_position + i) * 2 * M_PI * m_frequency / m_sampleRate); + } + + m_position += length; + eos = false; +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/Square.cpp b/extern/audaspace/src/generator/Square.cpp new file mode 100644 index 00000000000..361c243c549 --- /dev/null +++ b/extern/audaspace/src/generator/Square.cpp @@ -0,0 +1,38 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/Square.h" +#include "generator/SquareReader.h" + +AUD_NAMESPACE_BEGIN + +Square::Square(float frequency, SampleRate sampleRate) : + m_frequency(frequency), + m_sampleRate(sampleRate) +{ +} + +float Square::getFrequency() const +{ + return m_frequency; +} + +std::shared_ptr<IReader> Square::createReader() +{ + return std::shared_ptr<IReader>(new SquareReader(m_frequency, m_sampleRate)); +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/SquareReader.cpp b/extern/audaspace/src/generator/SquareReader.cpp new file mode 100644 index 00000000000..8f49b097487 --- /dev/null +++ b/extern/audaspace/src/generator/SquareReader.cpp @@ -0,0 +1,83 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/SquareReader.h" + +#include <cmath> + +AUD_NAMESPACE_BEGIN + +SquareReader::SquareReader(float frequency, SampleRate sampleRate) : + m_frequency(frequency), + m_position(0), + m_sample(0), + m_sampleRate(sampleRate) +{ +} + +void SquareReader::setFrequency(float frequency) +{ + m_frequency = frequency; +} + +bool SquareReader::isSeekable() const +{ + return true; +} + +void SquareReader::seek(int position) +{ + m_position = position; + m_sample = std::fmod(m_position * m_frequency / (float)m_sampleRate, 2.0f); +} + +int SquareReader::getLength() const +{ + return -1; +} + +int SquareReader::getPosition() const +{ + return m_position; +} + +Specs SquareReader::getSpecs() const +{ + Specs specs; + specs.rate = m_sampleRate; + specs.channels = CHANNELS_MONO; + return specs; +} + +void SquareReader::read(int& length, bool& eos, sample_t* buffer) +{ + float k = 2.0 * m_frequency / m_sampleRate; + + for(int i = 0; i < length; i++) + { + m_sample += k; + + if(m_sample >= 2.0f) + m_sample = std::fmod(m_sample, 2.0f); + + buffer[i] = (m_sample < 1.0f) * 2.0f - 1.0f; + } + + m_position += length; + eos = false; +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/Triangle.cpp b/extern/audaspace/src/generator/Triangle.cpp new file mode 100644 index 00000000000..ca8f1b63fb9 --- /dev/null +++ b/extern/audaspace/src/generator/Triangle.cpp @@ -0,0 +1,38 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/Triangle.h" +#include "generator/TriangleReader.h" + +AUD_NAMESPACE_BEGIN + +Triangle::Triangle(float frequency, SampleRate sampleRate) : + m_frequency(frequency), + m_sampleRate(sampleRate) +{ +} + +float Triangle::getFrequency() const +{ + return m_frequency; +} + +std::shared_ptr<IReader> Triangle::createReader() +{ + return std::shared_ptr<IReader>(new TriangleReader(m_frequency, m_sampleRate)); +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/src/generator/TriangleReader.cpp b/extern/audaspace/src/generator/TriangleReader.cpp new file mode 100644 index 00000000000..c363d3850ca --- /dev/null +++ b/extern/audaspace/src/generator/TriangleReader.cpp @@ -0,0 +1,83 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed 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 "generator/TriangleReader.h" + +#include <cmath> + +AUD_NAMESPACE_BEGIN + +TriangleReader::TriangleReader(float frequency, SampleRate sampleRate) : + m_frequency(frequency), + m_position(0), + m_sample(0.5f), + m_sampleRate(sampleRate) +{ +} + +void TriangleReader::setFrequency(float frequency) +{ + m_frequency = frequency; +} + +bool TriangleReader::isSeekable() const +{ + return true; +} + +void TriangleReader::seek(int position) +{ + m_position = position; + m_sample = std::fmod(m_position * m_frequency / (float)m_sampleRate + 1.5f, 2.0f) - 1.0f; +} + +int TriangleReader::getLength() const +{ + return -1; +} + +int TriangleReader::getPosition() const +{ + return m_position; +} + +Specs TriangleReader::getSpecs() const +{ + Specs specs; + specs.rate = m_sampleRate; + specs.channels = CHANNELS_MONO; + return specs; +} + +void TriangleReader::read(int& length, bool& eos, sample_t* buffer) +{ + float k = 2.0 * m_frequency / m_sampleRate; + + for(int i = 0; i < length; i++) + { + m_sample += k; + + if(m_sample >= 1.0f) + m_sample -= std::floor(m_sample) + 1.0f; + + buffer[i] = std::fabs(m_sample) * 2.0f - 1.0f; + } + + m_position += length; + eos = false; +} + +AUD_NAMESPACE_END |