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@@ -0,0 +1,111 @@
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+/*
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+Copyright (c) 2013 Daniele Bartolini, Michele Rossi
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+Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
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+
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+Permission is hereby granted, free of charge, to any person
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+obtaining a copy of this software and associated documentation
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+files (the "Software"), to deal in the Software without
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+restriction, including without limitation the rights to use,
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+copy, modify, merge, publish, distribute, sublicense, and/or sell
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+copies of the Software, and to permit persons to whom the
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+Software is furnished to do so, subject to the following
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+conditions:
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+
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+The above copyright notice and this permission notice shall be
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+included in all copies or substantial portions of the Software.
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+
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+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+OTHER DEALINGS IN THE SOFTWARE.
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+*/
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+
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+#pragma once
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+
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+#include <cstring>
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+
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+#include "Assert.h"
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+#include "Log.h"
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+
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+namespace crown
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+{
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+
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+//-----------------------------------------------------------------------------
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+uint32_t ms_to_samples(uint32_t ms, uint32_t sample_rate)
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+{
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+ return (ms * (sample_rate / 100)) / 10;
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+}
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+
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+uint32_t samples_to_ms(uint32_t samples, uint32_t sample_rate)
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+{
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+ return sample_rate < 100 ? 0 : (samples * 10) / (sample_rate / 100);
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+}
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+
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+//-----------------------------------------------------------------------------
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+enum WaveFormat
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+{
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+ MONO_8 = 0,
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+ STEREO_8,
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+ MONO_16,
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+ STEREO_16
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+};
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+
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+//-----------------------------------------------------------------------------
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+struct WaveSample
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+{
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+ //-----------------------------------------------------------------------------
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+ void create(const void* data, const size_t size, const uint32_t sample_rate,
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+ const uint32_t channels, const uint16_t block_size, const uint32_t bits_ps)
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+ {
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+ m_size = size;
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+ m_sample_rate = sample_rate;
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+ m_num_channels = channels;
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+
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+ m_num_samples = m_size / block_size;
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+
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+ Log::i("bits ps: %d", bits_ps);
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+ Log::i("channels: %d", channels);
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+
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+ switch (bits_ps)
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+ {
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+ case 8:
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+ {
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+ m_format = channels == 2 ? STEREO_8 : MONO_8;
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+ break;
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+ }
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+ case 16:
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+ {
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+ m_format = channels == 2 ? STEREO_16 : MONO_16;
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+ break;
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+ }
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+ default:
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+ {
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+ CE_ASSERT(false, "Format not supported");
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+ }
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+ }
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+
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+ m_data = (int16_t*)data;
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+ }
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+
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+ //-----------------------------------------------------------------------------
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+ uint32_t length_in_ms()
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+ {
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+ return samples_to_ms(m_num_samples, m_sample_rate);
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+ }
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+
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+public:
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+
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+ int16_t* m_data;
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+ WaveFormat m_format;
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+
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+ size_t m_size;
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+ uint32_t m_sample_rate;
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+ uint16_t m_num_channels;
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+ uint32_t m_num_samples;
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+};
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+
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+} // namespace crown
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