sm64pc/tools/audiofile-0.3.6/sfcommands/sfconvert.c

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2020-05-05 12:15:53 +00:00
/*
Audio File Library
Copyright (C) 1998, 2011-2012, Michael Pruett <michael@68k.org>
Copyright (C) 2001, 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.
*/
/*
sfconvert is a program which can convert various parameters of
sound files.
*/
#include "config.h"
#ifdef __USE_SGI_HEADERS__
#include <dmedia/audiofile.h>
#else
#include <audiofile.h>
#endif
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "printinfo.h"
void printversion (void);
void printusage (void);
void usageerror (void);
bool copyaudiodata (AFfilehandle infile, AFfilehandle outfile, int trackid);
int main (int argc, char **argv)
{
if (argc == 2)
{
if (!strcmp(argv[1], "--version") || !strcmp(argv[1], "-v"))
{
printversion();
exit(EXIT_SUCCESS);
}
if (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h"))
{
printusage();
exit(EXIT_SUCCESS);
}
}
if (argc < 3)
usageerror();
const char *inFileName = argv[1];
const char *outFileName = argv[2];
int outFileFormat = AF_FILE_UNKNOWN;
int outSampleFormat = -1, outSampleWidth = -1, outChannelCount = -1;
int outCompression = AF_COMPRESSION_NONE;
double outMaxAmp = 1.0;
int i = 3;
while (i < argc)
{
if (!strcmp(argv[i], "format"))
{
if (i + 1 >= argc)
usageerror();
if (!strcmp(argv[i+1], "aiff"))
outFileFormat = AF_FILE_AIFF;
else if (!strcmp(argv[i+1], "aifc"))
outFileFormat = AF_FILE_AIFFC;
else if (!strcmp(argv[i+1], "wave"))
outFileFormat = AF_FILE_WAVE;
else if (!strcmp(argv[i+1], "next"))
outFileFormat = AF_FILE_NEXTSND;
else if (!strcmp(argv[i+1], "bics"))
outFileFormat = AF_FILE_BICSF;
else if (!strcmp(argv[i+1], "smp"))
outFileFormat = AF_FILE_SAMPLEVISION;
else if (!strcmp(argv[i+1], "voc"))
outFileFormat = AF_FILE_VOC;
else if (!strcmp(argv[i+1], "nist"))
outFileFormat = AF_FILE_NIST_SPHERE;
else if (!strcmp(argv[i+1], "caf"))
outFileFormat = AF_FILE_CAF;
else if (!strcmp(argv[i+1], "flac"))
outFileFormat = AF_FILE_FLAC;
else
{
fprintf(stderr, "sfconvert: Unknown format %s.\n", argv[i+1]);
exit(EXIT_FAILURE);
}
// Increment for argument.
i++;
}
else if (!strcmp(argv[i], "channels"))
{
if (i + 1 >= argc)
usageerror();
outChannelCount = atoi(argv[i+1]);
if (outChannelCount < 1)
usageerror();
// Increment for argument.
i++;
}
else if (!strcmp(argv[i], "float"))
{
if (i + 1 >= argc)
usageerror();
outSampleFormat = AF_SAMPFMT_FLOAT;
outSampleWidth = 32;
outMaxAmp = atof(argv[i+1]);
// outMaxAmp is currently unused.
(void) outMaxAmp;
// Increment for argument.
i++;
}
else if (!strcmp(argv[i], "integer"))
{
if (i + 2 >= argc)
usageerror();
outSampleWidth = atoi(argv[i+1]);
if (outSampleWidth < 1 || outSampleWidth > 32)
usageerror();
if (!strcmp(argv[i+2], "2scomp"))
outSampleFormat = AF_SAMPFMT_TWOSCOMP;
else if (!strcmp(argv[i+2], "unsigned"))
outSampleFormat = AF_SAMPFMT_UNSIGNED;
else
usageerror();
// Increment for arguments.
i += 2;
}
else if (!strcmp(argv[i], "compression"))
{
if (i + 1 >= argc)
usageerror();
if (!strcmp(argv[i+1], "none"))
outCompression = AF_COMPRESSION_NONE;
else if (!strcmp(argv[i+1], "ulaw"))
outCompression = AF_COMPRESSION_G711_ULAW;
else if (!strcmp(argv[i+1], "alaw"))
outCompression = AF_COMPRESSION_G711_ALAW;
else if (!strcmp(argv[i+1], "ima"))
outCompression = AF_COMPRESSION_IMA;
else if (!strcmp(argv[i+1], "msadpcm"))
outCompression = AF_COMPRESSION_MS_ADPCM;
else if (!strcmp(argv[i+1], "flac"))
outCompression = AF_COMPRESSION_FLAC;
else if (!strcmp(argv[i+1], "alac"))
outCompression = AF_COMPRESSION_ALAC;
else
{
fprintf(stderr, "sfconvert: Unknown compression format %s.\n", argv[i+1]);
exit(EXIT_FAILURE);
}
i++;
}
else
{
printf("Unrecognized command %s\n", argv[i]);
}
i++;
}
AFfilehandle inFile = afOpenFile(inFileName, "r", AF_NULL_FILESETUP);
if (!inFile)
{
printf("Could not open file '%s' for reading.\n", inFileName);
return EXIT_FAILURE;
}
// Get audio format parameters from input file.
int fileFormat = afGetFileFormat(inFile, NULL);
int channelCount = afGetChannels(inFile, AF_DEFAULT_TRACK);
double sampleRate = afGetRate(inFile, AF_DEFAULT_TRACK);
int sampleFormat, sampleWidth;
afGetSampleFormat(inFile, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth);
// Initialize output audio format parameters.
AFfilesetup outFileSetup = afNewFileSetup();
if (outFileFormat == -1)
outFileFormat = fileFormat;
if (outSampleFormat == -1 || outSampleWidth == -1)
{
outSampleFormat = sampleFormat;
outSampleWidth = sampleWidth;
}
if (outChannelCount == -1)
outChannelCount = channelCount;
afInitFileFormat(outFileSetup, outFileFormat);
afInitCompression(outFileSetup, AF_DEFAULT_TRACK, outCompression);
afInitSampleFormat(outFileSetup, AF_DEFAULT_TRACK, outSampleFormat,
outSampleWidth);
afInitChannels(outFileSetup, AF_DEFAULT_TRACK, outChannelCount);
afInitRate(outFileSetup, AF_DEFAULT_TRACK, sampleRate);
AFfilehandle outFile = afOpenFile(outFileName, "w", outFileSetup);
if (!outFile)
{
printf("Could not open file '%s' for writing.\n", outFileName);
return EXIT_FAILURE;
}
afFreeFileSetup(outFileSetup);
/*
Set the output file's virtual audio format parameters
to match the audio format parameters of the input file.
*/
afSetVirtualChannels(outFile, AF_DEFAULT_TRACK, channelCount);
afSetVirtualSampleFormat(outFile, AF_DEFAULT_TRACK, sampleFormat,
sampleWidth);
bool success = copyaudiodata(inFile, outFile, AF_DEFAULT_TRACK);
afCloseFile(inFile);
afCloseFile(outFile);
if (!success)
{
unlink(outFileName);
return EXIT_FAILURE;
}
printfileinfo(inFileName);
putchar('\n');
printfileinfo(outFileName);
return EXIT_SUCCESS;
}
void printusage (void)
{
printf("usage: sfconvert infile outfile [ options ... ] [ output keywords ... ]\n");
printf("\n");
printf("Where keywords specify format of input or output soundfile:\n");
printf(" format f file format f (see below)\n");
printf(" compression c compression format c (see below)\n");
printf(" byteorder e endian (e is big or little)\n");
printf(" channels n n-channel file (1 or 2)\n");
printf(" integer n s n-bit integer file, where s is one of\n");
printf(" 2scomp: 2's complement signed data\n");
printf(" unsigned: unsigned data\n");
printf(" float m floating point file, maxamp m (usually 1.0)\n");
printf("\n");
printf("Currently supported file formats are:\n");
printf("\n");
printf(" aiff Audio Interchange File Format\n");
printf(" aifc AIFF-C File Format\n");
printf(" next NeXT/Sun Format\n");
printf(" wave MS RIFF WAVE Format\n");
printf(" bics Berkeley/IRCAM/CARL Sound File Format\n");
printf(" smp Sample Vision Format\n");
printf(" voc Creative Voice File\n");
printf(" nist NIST SPHERE Format\n");
printf(" caf Core Audio Format\n");
printf("\n");
printf("Currently supported compression formats are:\n");
printf("\n");
printf(" ulaw G.711 u-law\n");
printf(" alaw G.711 A-law\n");
printf(" ima IMA ADPCM\n");
printf(" msadpcm MS ADPCM\n");
printf(" flac FLAC\n");
printf(" alac Apple Lossless Audio Codec\n");
printf("\n");
}
void usageerror (void)
{
printusage();
exit(EXIT_FAILURE);
}
void printversion (void)
{
printf("sfconvert: Audio File Library version %s\n", VERSION);
}
/*
Copy audio data from one file to another. This function
assumes that the virtual sample formats of the two files
match.
*/
bool copyaudiodata (AFfilehandle infile, AFfilehandle outfile, int trackid)
{
int frameSize = afGetVirtualFrameSize(infile, trackid, 1);
const int kBufferFrameCount = 65536;
void *buffer = malloc(kBufferFrameCount * frameSize);
AFframecount totalFrames = afGetFrameCount(infile, AF_DEFAULT_TRACK);
AFframecount totalFramesWritten = 0;
bool success = true;
while (totalFramesWritten < totalFrames)
{
AFframecount framesToRead = totalFrames - totalFramesWritten;
if (framesToRead > kBufferFrameCount)
framesToRead = kBufferFrameCount;
AFframecount framesRead = afReadFrames(infile, trackid, buffer,
framesToRead);
if (framesRead < framesToRead)
{
fprintf(stderr, "Bad read of audio track data.\n");
success = false;
break;
}
AFframecount framesWritten = afWriteFrames(outfile, trackid, buffer,
framesRead);
if (framesWritten < framesRead)
{
fprintf(stderr, "Bad write of audio track data.\n");
success = false;
break;
}
totalFramesWritten += framesWritten;
}
free(buffer);
return success;
}