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#include <simage.h>
#include <stdlib.h>
#include <stdio.h>
int main(int argc, char **argv)
{
FILE *outfile;
s_stream * stream;
s_params * params;
int count;
int channels;
int size;
int readsize;
int offset;
char offsetstr[40];
char * buffer;
if ( (argc != 3) && (argc != 4) ) {
fprintf(stderr, "Usage: audio2raw <input file> <output file> "
"[sample offset]\n");
return 1;
};
outfile = fopen(argv[2], "wb");
if (outfile == NULL) {
fprintf(stderr, "Error: Couldn't open file '%s' for writing\n", argv[2]);
return 1;
}
stream = s_stream_open(argv[1], NULL);
if (stream == NULL) {
fprintf(stderr, "Error: Couldn't open file '%s' for reading\n", argv[1]);
return 1;
}
offset = -1;
if (argc == 4)
offset = atoi(argv[3]);
params = s_stream_params(stream);
channels = 0;
if (params != NULL) {
s_params_get(params,
"channels", S_INTEGER_PARAM_TYPE, &channels, NULL);
}
size = 10240;
readsize = size;
buffer = (char *)malloc(size);
count = 0;
sprintf(offsetstr, ", starting at sample %d\n", offset);
printf("Writing a raw file with %d channels, 16 bits signed integers %s",
channels, (offset != -1) ? offsetstr : "\n");
if (offset != -1) {
int pos = s_stream_seek(stream, offset, SIMAGE_SEEK_SET, NULL);
if (pos == -1)
printf("Error: Seeking failed\n");
else
printf("Successfully seeked to position %d\n", pos);
}
while (s_stream_get_buffer(stream, buffer, &readsize, NULL) &&
(readsize>0) ) {
if (readsize >0) {
fwrite(buffer, readsize, 1, outfile);
if (count++%10==0)
printf(".");
}
readsize = size;
}
printf(" done\n");
s_stream_close(stream);
s_stream_destroy(stream);
fclose(outfile);
free(buffer);
return 0;
}
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