diff options
Diffstat (limited to 'src/dabplus-enc-alsa-zmq.cpp')
| -rw-r--r-- | src/dabplus-enc-alsa-zmq.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/dabplus-enc-alsa-zmq.cpp b/src/dabplus-enc-alsa-zmq.cpp index 8025c4a..3af667f 100644 --- a/src/dabplus-enc-alsa-zmq.cpp +++ b/src/dabplus-enc-alsa-zmq.cpp @@ -294,7 +294,13 @@ int main(int argc, char *argv[]) return 1; } - fprintf(stderr, "Setting up ZeroMQ socket\n"); + if ( ! (sample_rate == 32000 || sample_rate == 48000)) { + fprintf(stderr, "Invalid sample rate. Possible values are: 32000, 48000.\n"); + return 1; + } + + const int enc_calls_per_output = sample_rate / 16000; + if (!outuri) { fprintf(stderr, "ZeroMQ output URI not defined\n"); return 1; @@ -414,7 +420,10 @@ int main(int argc, char *argv[]) unsigned long time_next = (1000000000ul * tp_next.tv_sec) + tp_next.tv_nsec; - const unsigned long wait_time = 120000000ul / 2; + const unsigned long dabplus_superframe_nsec = 120000000ul; + + const unsigned long wait_time = + dabplus_superframe_nsec / enc_calls_per_output; unsigned long waiting = wait_time - (time_now - time_next); if ((time_now - time_next) < wait_time) { @@ -521,7 +530,11 @@ int main(int argc, char *argv[]) if (out_args.numOutBytes != 0) { // Our timing code depends on this - assert (calls == 2); + if (! ((sample_rate == 32000 && calls == 2) || + (sample_rate == 48000 && calls == 3)) ) { + fprintf(stderr, "INTERNAL ERROR! GURU MEDITATION: sample rate %d, calls %d\n", + sample_rate, calls); + } calls = 0; // ----------- RS encoding |