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38164ba66a
This drops the (unused) ability to play based on a list of input blocks. This
was formely only used by the NDS specific VOC streaming code, which has been
removed in 9fa9f68789.
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
#ifndef TEST_SOUND_HELPER_H
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#define TEST_SOUND_HELPER_H
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#include "audio/decoders/raw.h"
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#include "common/stream.h"
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#include "common/endian.h"
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#include <math.h>
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#include <limits>
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template<typename T>
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static T *createSine(const int sampleRate, const int time) {
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T *sine = (T *)malloc(sizeof(T) * time * sampleRate);
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const bool isUnsigned = !std::numeric_limits<T>::is_signed;
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const T xorMask = isUnsigned ? (1 << (std::numeric_limits<T>::digits - 1)) : 0;
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const T maxValue = std::numeric_limits<T>::max() ^ xorMask;
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for (int i = 0; i < time * sampleRate; ++i)
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sine[i] = ((T)(sin((double)i / sampleRate * 2 * M_PI) * maxValue)) ^ xorMask;
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return sine;
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}
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template<typename T>
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static Audio::SeekableAudioStream *createSineStream(const int sampleRate, const int time, int16 **comp, bool le, bool isStereo) {
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T *sine = createSine<T>(sampleRate, time * (isStereo ? 2 : 1));
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const bool isUnsigned = !std::numeric_limits<T>::is_signed;
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const T xorMask = isUnsigned ? (1 << (std::numeric_limits<T>::digits - 1)) : 0;
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const bool is16Bits = (sizeof(T) == 2);
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assert(sizeof(T) == 2 || sizeof(T) == 1);
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const int samples = sampleRate * time * (isStereo ? 2 : 1);
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if (comp) {
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*comp = new int16[samples];
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for (int i = 0; i < samples; ++i) {
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if (is16Bits)
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(*comp)[i] = sine[i] ^ xorMask;
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else
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(*comp)[i] = (sine[i] ^ xorMask) << 8;
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}
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}
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if (is16Bits) {
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if (le) {
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for (int i = 0; i < samples; ++i)
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WRITE_LE_UINT16(&sine[i], sine[i]);
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} else {
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for (int i = 0; i < samples; ++i)
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WRITE_BE_UINT16(&sine[i], sine[i]);
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}
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}
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Audio::SeekableAudioStream *s = 0;
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Common::SeekableReadStream *sD = new Common::MemoryReadStream((const byte *)sine, sizeof(T) * samples, DisposeAfterUse::YES);
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s = Audio::makeRawStream(sD, sampleRate,
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(is16Bits ? Audio::FLAG_16BITS : 0)
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| (isUnsigned ? Audio::FLAG_UNSIGNED : 0)
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| (le ? Audio::FLAG_LITTLE_ENDIAN : 0)
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| (isStereo ? Audio::FLAG_STEREO : 0));
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return s;
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}
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#endif
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