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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <gst/gst.h>
int main(int argc,char *argv[]) {
GstPipeline *pipeline;
GstElement *src,*lame,*sink;
int bitrate;
int fdin = -1;
int fdout = -1;
int i;
gst_init(&argc,&argv);
for (i=1;i<argc;i++) {
fprintf(stderr,"arg is %s\n",argv[i]);
if (argv[i][0] == '-') {
fprintf(stderr," starts with -\n");
switch (argv[i][1]) {
case 'b': bitrate = atoi(argv[++i]);break;
case 0: {
if (fdin == -1) fdin = stdin;
else if (fdout == -1) fdout = stdout;
else fprintf(stderr,"unknown argument\n");exit(1);
break;
}
default: fprintf(stderr,"unknown argument\n");exit(1);
}
} else {
fprintf(stderr," probably a filename\n");
if (fdin == -1) {
fdin = open(argv[i],O_RDONLY);
if (fdin <= 0) {
fprintf(stderr,"can't open file '%s' for read\n",argv[i]);
exit(1);
}
fprintf(stderr," openned file %s for read, fd %d\n",argv[i],fdin);
} else if (fdout == -1) {
unlink(argv[i]);
fdout = open(argv[i],O_CREAT|O_RDWR|O_TRUNC);
if (fdout <= 0) {
fprintf(stderr,"can't open file '%s' for write\n",argv[i]);
exit(1);
}
fprintf(stderr," openned file %s for write, fd %d\n",argv[i],fdout);
} else {
fprintf(stderr,"unknown argument\n");exit(1);
}
}
}
pipeline = gst_pipeline_new("mp3encode");
src = gst_elementfactory_make("fdsrc","src");
g_return_val_if_fail(src != NULL,1);
gtk_object_set(GTK_OBJECT(src),"location",fdin,NULL);
lame = gst_elementfactory_make("lame","encoder");
g_return_val_if_fail(lame != NULL,2);
gtk_object_set(GTK_OBJECT(lame),"bitrate",bitrate,NULL);
sink = gst_elementfactory_make("fdsink","sink");
g_return_val_if_fail(sink != NULL,3);
gtk_object_set(GTK_OBJECT(src),"fd",fdout,NULL);
gst_bin_add(GST_BIN(pipeline),src);
gst_bin_add(GST_BIN(pipeline),lame);
gst_bin_add(GST_BIN(pipeline),sink);
gst_element_connect(src,"src",lame,"sink");
gst_element_connect(lame,"src",sink,"sink");
gst_bin_use_cothreads(GST_BIN(pipeline),TRUE);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
if (GST_STATE(src) != GST_STATE_PLAYING) fprintf(stderr,"error: state not set\n");
for (i=0;i<100;i++) {
fprintf(stderr,"\n");
gst_bin_iterate(GST_BIN(pipeline));
}
}
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