static int
sanity_check_payloads(void)
{
uint32_t i, j, n_codecs, n_channels;
codec_id_t cid;
const codec_format_t *cf = NULL;
const cc_details_t *ccd = NULL;
cc_id_t ccid;
u_char pt;
n_codecs = codec_get_number_of_codecs();
n_channels = channel_get_coder_count();
for(i = 0; i < n_codecs; i++) {
cid = codec_get_codec_number(i);
cf = codec_get_format(cid);
pt = codec_get_payload(cid);
if (pt != CODEC_PAYLOAD_DYNAMIC) {
ccid = channel_coder_get_by_payload(pt);
for(j = 0; j < n_channels; j++) {
ccd = channel_get_coder_details(j);
if (ccd == channel_get_null_coder()) {
continue;
}
if (ccd->descriptor == ccid) {
debug_msg("clash with %s %s payload (%d)\n", cf->long_name, ccd->name, pt);
return FALSE;
}
}
} else {
/* codec is not mapped into codec space so ignore */
}
}
return TRUE;
}
static void
list_codecs(void)
{
uint32_t i, cnt;
codec_id_t cid;
const codec_format_t *cf;
cnt = codec_get_number_of_codecs();
for(i = 0; i < cnt; i++) {
cid = codec_get_codec_number(i);
cf = codec_get_format(cid);
printf("%s\n", cf->long_name);
}
return;
}
codec_id_t
codec_get_matching(const char *short_name, uint16_t freq, uint16_t channels)
{
/* This has been changed to try really hard to find a matching codec.
* The reason is that it's now called as part of the command-line
* parsing, and so has to cope with user entered codec names. Also, it
* should recognise the names sdr gives the codecs, for compatibility
* with rat-v3.0. [csp]
*/
/* This is not quite as inefficient as it looks, since stage 1 will
* almost always find a match.
*/
const codec_format_t *cf = NULL;
codec_id_t cid = 0;
uint32_t i, codecs;
char *long_name;
/* Stage 1: Try the designated short names... */
codecs = codec_get_number_of_codecs();
for(i = 0; i < codecs; i++) {
cid = codec_get_codec_number(i);
cf = codec_get_format(cid);
if (cf->format.sample_rate == freq &&
cf->format.channels == channels &&
!strcasecmp(short_name, cf->short_name)) {
return cid;
}
}
/* Stage 2: Try to generate a matching name... */
long_name = (char *) xmalloc(strlen(short_name) + 12);
sprintf(long_name, "%s-%dK-%s", short_name, freq/1000, channels==1?"MONO":"STEREO");
for(i = 0; i < codecs; i++) {
cid = codec_get_codec_number(i);
cf = codec_get_format(cid);
if (cf->format.sample_rate == freq &&
cf->format.channels == channels &&
!strcasecmp(long_name, cf->long_name)) {
xfree(long_name);
return cid;
}
}
/* Stage 3: Nasty hack... PCM->PCMU for compatibility with sdr
* and old rat versions
*/
if (strncasecmp(short_name, "pcm", 3) == 0) {
sprintf(long_name, "PCMU-%dK-%s", freq/1000, channels==1?"MONO":"STEREO");
for(i = 0; i < codecs; i++) {
cid = codec_get_codec_number(i);
cf = codec_get_format(cid);
if (cf->format.sample_rate == freq &&
cf->format.channels == channels &&
!strcasecmp(long_name, cf->long_name)) {
xfree(long_name);
return cid;
}
}
}
xfree(long_name);
debug_msg("Unable to find codec \"%s\" at rate %d channels %d\n", short_name, freq, channels);
return 0;
}