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/*
* This file is part of AtracDEnc.
*
* AtracDEnc is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* AtracDEnc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with AtracDEnc; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "pcm_io_impl.h"
#include "mf/pcm_io_mf.h"
#include "win32/pcm_io_win32.h"
#include <endian_tools.h>
#include <iostream>
#include <windows.h>
void ConvertToPcmBufferFromLE(const BYTE* audioData, TPCMBuffer<TFloat>& buf, size_t sz, size_t shift, size_t channelsNum) {
if (channelsNum == 1) {
for (size_t i = 0; i < sz; i++) {
*(buf[i + shift] + 0) = (*(int16_t*)(audioData + i * 2 + 0)) / (TFloat)32768.0;
}
} else {
for (size_t i = 0; i < sz; i++) {
*(buf[i + shift] + 0) = (*(int16_t*)(audioData + i * 4 + 0)) / (TFloat)32768.0;
*(buf[i + shift] + 1) = (*(int16_t*)(audioData + i * 4 + 2)) / (TFloat)32768.0;
}
}
}
void ConvertToPcmBufferFromBE(const BYTE* audioData, TPCMBuffer<TFloat>& buf, size_t sz, size_t shift, size_t channelsNum) {
if (channelsNum == 1) {
for (size_t i = 0; i < sz; i++) {
*(buf[i + shift] + 0) = conv_ntoh((*(int16_t*)(audioData + i * 2 + 0))) / (TFloat)32768.0;
}
} else {
for (size_t i = 0; i < sz; i++) {
*(buf[i + shift] + 0) = conv_ntoh((*(int16_t*)(audioData + i * 4 + 0))) / (TFloat)32768.0;
*(buf[i + shift] + 1) = conv_ntoh((*(int16_t*)(audioData + i * 4 + 2))) / (TFloat)32768.0;
}
}
}
IPCMProviderImpl* CreatePCMIOReadImpl(const std::string& path) {
if (path == "-") {
return CreatePCMIOStreamWin32ReadImpl();
}
return CreatePCMIOMFReadImpl(path);
}
IPCMProviderImpl* CreatePCMIOWriteImpl(const std::string& path, int channels, int sampleRate) {
return CreatePCMIOMFWriteImpl(path, channels, sampleRate);
}
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