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/* test_convert [-list] -c <n> -ifmt <fmt1> -ofmt <fmt2> */
/* Where :
-list lists converters.
-c <n> selects converter n
and <fmt> has form rate=8000,channels=1
*/
#include "config_unix.h"
#include "config_win32.h"
#include "debug.h"
#include "memory.h"
#include "util.h"
#include "audio_types.h"
#include "codec_types.h"
#include "codec.h"
#include "converter_types.h"
#include "converter.h"
static int
list_converters()
{
const converter_details_t *cd;
int i, n;
n = converter_get_count();
for(i = 0; i < n; i++) {
cd = converter_get_details(i);
printf("%d %s\n", i, cd->name);
}
fflush(stdout);
exit(-1);
}
static void
usage()
{
printf("test_convert [-list] -c <n> -ifmt <fmt> -ofmt <ofmt>\n"\
"where:\n\t-list\t lists converters.\n" \
"\t-c <n> \t selects converter n\n" \
"\tand formats are of form \"rate=8000,channels=1\n");
exit(-1);
}
static char*
get_token(char *name, char *src, int src_len)
{
char *cur;
int cur_len, done;
done = 0;
cur = src;
while (done < src_len) {
cur_len = strlen(cur);
if (!strcmp(cur, name) && done + cur_len + 1 < src_len) {
return cur + cur_len + 1;
}
cur += cur_len + 1;
}
return NULL;
}
static int
parse_fmt(char *fmt, uint16_t *channels, uint16_t *rate)
{
char *f;
int fmtlen;
int found = 0;
if (fmt == NULL) {
return FALSE;
}
fmtlen = strlen(fmt);
f = fmt;
while(*f) {
if (*f ==',' || *f == '=') {
*f = 0;
}
f++;
}
f = get_token("rate", fmt, fmtlen);
if (f != NULL) {
*rate = (uint16_t)(atoi(f));
found++;
}
f = get_token("channels", fmt, fmtlen);
if (f != NULL) {
*channels = (uint16_t)(atoi(f));
found++;
}
return (found==2);
}
static void
dump_frame(coded_unit *cu, int offset)
{
uint16_t rate, channels;
sample *src;
int i, j, n;
codec_get_native_info( cu->id, &rate, &channels);
src = (sample*)cu->data;
n = cu->data_len / (sizeof(sample) * channels);
for (i = 0; i < n; i++) {
printf("%.4f ", (double)(i + offset) * 1000.0/(double)rate);
for(j = 0; j < channels; j++) {
printf("%d ", src[i*channels+j]);
}
printf("\n");
}
printf("\n");
}
#define TEST_FRAME_LEN 160
#define TEST_FRAMES 8
static int
test_converter(int idx, converter_fmt_t *cf)
{
struct s_converter *c;
const converter_details_t *cd;
sample *src;
coded_unit cu_in, cu_out;
int i, j, n;
n = converter_get_count();
if (idx < 0 || idx > n) {
fprintf(stderr, "Converter index out of range\n");
return FALSE;
}
cd = converter_get_details(idx);
printf("#Using %s\n", cd->name);
if (converter_create(cd->id, cf, &c) == FALSE) {
fprintf(stderr, "Could not create converter\n");
return FALSE;
}
/* Allocate and initialize source buffer */
src = (sample*)xmalloc(TEST_FRAME_LEN * TEST_FRAMES * cf->src_channels * sizeof(sample));
for(i = 0; i < TEST_FRAME_LEN * TEST_FRAMES; i++) {
for(j = 0; j < cf->src_channels; j++) {
src[i * cf->src_channels + j] = 16384 *
sin(64 *1000 * M_PI * i / (cf->src_freq * TEST_FRAME_LEN)) *
cos(16 *M_PI * i * 1000 / (TEST_FRAME_LEN * cf->src_freq));
}
}
memset(&cu_in, 0, sizeof(cu_in));
memset(&cu_out, 0, sizeof(cu_out));
for(i = 0; i < TEST_FRAMES; i++) {
cu_in.id = codec_get_native_coding(cf->src_freq, cf->src_channels);
cu_in.data = (u_char*)(src + cf->src_channels * TEST_FRAME_LEN * i);
cu_in.data_len = cf->src_channels * TEST_FRAME_LEN * sizeof(sample);
dump_frame(&cu_in, i * TEST_FRAME_LEN);
converter_process(c, &cu_in, &cu_out);
dump_frame(&cu_out, i * TEST_FRAME_LEN * cf->dst_freq / cf->src_freq);
block_free(cu_out.data, cu_out.data_len);
cu_out.data = 0;
cu_out.data_len = 0;
}
converter_destroy(&c);
return TRUE;
}
int
main(int argc, char *argv[])
{
int i;
int idx;
converter_fmt_t cf;
converters_init();
if (argc == 1) {
usage();
}
i = 1;
while(i < argc) {
switch(argv[i][1]) {
case 'h':
case '?':
usage();
break;
case 'l':
list_converters();
break;
case 'c':
idx = atoi(argv[i+1]);
i+=2;
break;
case 'i':
if (parse_fmt(argv[i+1], &cf.src_channels, &cf.src_freq) == FALSE) {
usage();
}
i+=2;
break;
case 'o':
if (parse_fmt(argv[i+1], &cf.dst_channels, &cf.dst_freq) == FALSE) {
usage();
}
i+=2;
break;
}
}
test_converter(idx, &cf);
converters_free();
return 0;
}
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