ref: 6553e2398a38fd92ce152dc90d947c925b8075c2
dir: /frontend/main.c/
/*
* FAAC - Freeware Advanced Audio Coder
* Copyright (C) 2001 Menno Bakker
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: main.c,v 1.19 2001/05/31 18:03:21 menno Exp $
*/
#ifdef _WIN32
#include <windows.h>
#endif
#ifdef __unix__
#define min(a,b) ( (a) < (b) ? (a) : (b) )
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <sndfile.h>
#include "faac.h"
int main(int argc, char *argv[])
{
int i, frames, currentFrame;
faacEncHandle hEncoder;
SNDFILE *infile;
SF_INFO sfinfo;
unsigned int sr, chan;
unsigned long samplesInput, maxBytesOutput;
short *pcmbuf;
unsigned char *bitbuf;
int bytesInput = 0;
FILE *outfile;
#ifdef __unix__
struct rusage usage;
#endif
#ifdef _WIN32
long begin, end;
int nTotSecs, nSecs;
int nMins;
#else
float totalSecs;
int mins;
#endif
printf("FAAC - command line demo of %s\n", __DATE__);
printf("Uses FAACLIB version: %.1f %s\n\n", FAACENC_VERSION, (FAACENC_VERSIONB)?"beta":"");
if (argc < 3)
{
printf("USAGE: %s -options infile outfile\n", argv[0]);
printf("Options:\n");
printf(" -mX AAC MPEG version, X can be 2 or 4.\n");
printf(" -pX AAC object type, X can be LC, MAIN or LTP.\n");
printf(" -nm Don\'t use mid/side coding.\n");
printf(" -tns Use TNS coding.\n");
printf(" -bwX Set the bandwidth, X in Hz.\n");
printf(" -brX Set the bitrate per channel, X in bps.\n\n");
return 1;
}
/* open the audio input file */
infile = sf_open_read(argv[argc-2], &sfinfo);
if (infile == NULL)
{
printf("couldn't open input file %s\n", argv [argc-2]);
return 1;
}
/* open the aac output file */
outfile = fopen(argv[argc-1], "wb");
if (!outfile)
{
printf("couldn't create output file %s\n", argv [argc-1]);
return 1;
}
/* determine input file parameters */
sr = sfinfo.samplerate;
chan = sfinfo.channels;
/* open the encoder library */
hEncoder = faacEncOpen(sr, chan, &samplesInput, &maxBytesOutput);
pcmbuf = (short*)malloc(samplesInput*sizeof(short));
bitbuf = (unsigned char*)malloc(maxBytesOutput*sizeof(unsigned char));
/* set other options */
if (argc > 3)
{
faacEncConfigurationPtr myFormat;
myFormat = faacEncGetCurrentConfiguration(hEncoder);
for (i = 1; i < argc-2; i++) {
if ((argv[i][0] == '-') || (argv[i][0] == '/')) {
switch(argv[i][1]) {
case 'p': case 'P':
if ((argv[i][2] == 'l') || (argv[i][2] == 'L')) {
if ((argv[i][3] == 'c') || (argv[i][2] == 'C')) {
myFormat->aacObjectType = LOW;
} else if ((argv[i][3] == 't') || (argv[i][2] == 'T')) {
myFormat->aacObjectType = LTP;
}
} else if ((argv[i][2] == 'm') || (argv[i][2] == 'M')) {
myFormat->aacObjectType = MAIN;
}
break;
case 'm': case 'M':
if (argv[i][2] == '4') {
myFormat->mpegVersion = MPEG4;
} else {
myFormat->mpegVersion = MPEG2;
}
break;
case 't': case 'T':
if ((argv[i][2] == 'n') || (argv[i][2] == 'N'))
myFormat->useTns = 1;
break;
case 'n': case 'N':
if ((argv[i][2] == 'm') || (argv[i][2] == 'M'))
myFormat->allowMidside = 0;
break;
case 'b': case 'B':
if ((argv[i][2] == 'r') || (argv[i][2] == 'R'))
{
unsigned int bitrate = atol(&argv[i][3]);
if (bitrate)
{
myFormat->bitRate = bitrate;
}
} else if ((argv[i][2] == 'w') || (argv[i][2] == 'W')) {
unsigned int bandwidth = atol(&argv[i][3]);
if (bandwidth)
{
myFormat->bandWidth = bandwidth;
}
}
break;
}
}
}
if (!faacEncSetConfiguration(hEncoder, myFormat))
fprintf(stderr, "unsupported output format!\n");
}
if (outfile)
{
#ifdef _WIN32
begin = GetTickCount();
#endif
frames = (int)(sfinfo.samples/1024+0.5);
currentFrame = 0;
/* encoding loop */
for ( ;; )
{
int bytesWritten;
currentFrame++;
bytesInput = sf_read_short(infile, pcmbuf, samplesInput) * sizeof(short);
/* call the actual encoding routine */
bytesWritten = faacEncEncode(hEncoder,
pcmbuf,
bytesInput/2,
bitbuf,
maxBytesOutput);
#ifndef _DEBUG
printf("%.2f%%\tBusy encoding %s.\r",
min((double)(currentFrame*100)/frames,100), argv[argc-2]);
#endif
/* all done, bail out */
if (!bytesInput && !bytesWritten)
break ;
if (bytesWritten < 0)
{
fprintf(stderr, "faacEncEncode() failed\n");
break ;
}
/* write bitstream to aac file */
fwrite(bitbuf, 1, bytesWritten, outfile);
}
/* clean up */
fclose(outfile);
#ifdef _WIN32
end = GetTickCount();
nTotSecs = (end-begin)/1000;
nMins = nTotSecs / 60;
nSecs = nTotSecs - (60*nMins);
printf("Encoding %s took:\t%d:%.2d\t\n", argv[argc-2], nMins, nSecs);
#else
#ifdef __unix__
if (getrusage(RUSAGE_SELF, &usage) == 0) {
totalSecs=usage.ru_utime.tv_sec;
mins = totalSecs/60;
printf("Encoding %s took: %i min, %.2f sec. of cpu-time\n", argv[argc-2], mins, totalSecs - (60 * mins));
}
#else
totalSecs = (float)(clock())/(float)CLOCKS_PER_SEC;
mins = totalSecs/60;
printf("Encoding %s took: %i min, %.2f sec.\n", argv[argc-2], mins, totalSecs - (60 * mins));
#endif
#endif
}
faacEncClose(hEncoder);
sf_close(infile);
if (pcmbuf) free(pcmbuf);
if (bitbuf) free(bitbuf);
return 0;
}