mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-10 11:51:52 +00:00
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/* Residual - Virtual machine to run LucasArts' 3D adventure games
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*
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* Residual is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the AUTHORS
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* file distributed with this source distribution.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* $URL$
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* $Id$
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*
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*/
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#include <cstdio>
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#include <cstring>
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int get_be_uint32(char *pos) {
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unsigned char *ucpos = reinterpret_cast<unsigned char *>(pos);
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return (ucpos[0] << 24) | (ucpos[1] << 16) | (ucpos[2] << 8) | ucpos[3];
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}
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void write_le_uint32(unsigned val) {
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putc(val, stdout);
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putc(val >> 8, stdout);
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putc(val >> 16, stdout);
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putc(val >> 24, stdout);
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}
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void write_le_uint16(unsigned short val) {
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putc(val, stdout);
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putc(val >> 8, stdout);
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}
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int main() {
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char block[1024];
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fread(block, 8, 1, stdin); // skip iMUS header
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fread(block, 8, 1, stdin); // read MAP header
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int mapSize = get_be_uint32(block + 4);
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int numBits = 16, rate = 22050, channels = 2;
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for (int mapPos = 0; mapPos < mapSize; ) {
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fread(block, 8, 1, stdin);
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int blockSize = get_be_uint32(block + 4);
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if (memcmp(block, "FRMT", 4) == 0) {
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fread(block, blockSize, 1, stdin);
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numBits = get_be_uint32(block + 8);
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rate = get_be_uint32(block + 12);
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channels = get_be_uint32(block + 16);
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}
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else
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fread(block, blockSize, 1, stdin);
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mapPos += (blockSize + 8);
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}
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fread(block, 8, 1, stdin);
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int dataSize = get_be_uint32(block + 4);
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fputs("RIFF", stdout);
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write_le_uint32(dataSize + 36);
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fputs("WAVEfmt ", stdout);
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write_le_uint32(16);
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write_le_uint16(1);
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write_le_uint16(channels);
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write_le_uint32(rate);
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write_le_uint32(channels * rate * (numBits / 8));
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write_le_uint16(channels * (numBits / 8));
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write_le_uint16(numBits);
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fputs("data", stdout);
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write_le_uint32(dataSize);
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while (dataSize > 1024) {
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fread(block, 1024, 1, stdin);
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fwrite(block, 1024, 1, stdout);
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dataSize -= 1024;
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}
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fread(block, dataSize, 1, stdin);
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fwrite(block, dataSize, 1, stdout);
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return 0;
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}
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