/* Audio File Library Copyright 2000, Silicon Graphics, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ /* sixteen-to-eight.c This program tests the conversion from 16-bit integers to 8-bit integers. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include "TestUtilities.h" int main (int argc, char **argv) { AFfilehandle file; AFfilesetup setup; int16_t frames16[] = {14298, 392, 3923, -683, 958, -1921}; int8_t frames8[] = {55, 1, 15, -3, 3, -8}; int i, frameCount = 6; int8_t byte; AFframecount result; setup = afNewFileSetup(); afInitFileFormat(setup, AF_FILE_WAVE); afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_UNSIGNED, 8); afInitChannels(setup, AF_DEFAULT_TRACK, 1); char testFileName[PATH_MAX]; if (!createTemporaryFile("sixteen-to-eight", testFileName)) { fprintf(stderr, "Could not create temporary file.\n"); exit(EXIT_FAILURE); } file = afOpenFile(testFileName, "w", setup); if (file == AF_NULL_FILEHANDLE) { fprintf(stderr, "could not open file for writing\n"); exit(EXIT_FAILURE); } afFreeFileSetup(setup); afSetVirtualSampleFormat(file, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16); afWriteFrames(file, AF_DEFAULT_TRACK, frames16, frameCount); afCloseFile(file); file = afOpenFile(testFileName, "r", AF_NULL_FILESETUP); if (file == AF_NULL_FILEHANDLE) { fprintf(stderr, "could not open file for reading\n"); exit(EXIT_FAILURE); } afSetVirtualSampleFormat(file, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 8); for (i=0; i