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Do not emit 0.5 sec flush for audio file output

This commit is contained in:
Kamal Mostafa 2016-04-17 09:49:27 -07:00
parent 513a11d454
commit c2e4d9e1c4
1 changed files with 7 additions and 3 deletions
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10
src/minimodem.c
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@ -52,6 +52,7 @@ int tx_trailer_bits_len = 2;
simpleaudio *tx_sa_out; simpleaudio *tx_sa_out;
float tx_bfsk_mark_f; float tx_bfsk_mark_f;
unsigned int tx_bit_nsamples; unsigned int tx_bit_nsamples;
unsigned int tx_flush_nsamples;
void void
tx_stop_transmit_sighandler( int sig ) tx_stop_transmit_sighandler( int sig )
@ -62,9 +63,8 @@ tx_stop_transmit_sighandler( int sig )
for ( j=0; j<tx_trailer_bits_len; j++ ) for ( j=0; j<tx_trailer_bits_len; j++ )
simpleaudio_tone(tx_sa_out, tx_bfsk_mark_f, tx_bit_nsamples); simpleaudio_tone(tx_sa_out, tx_bfsk_mark_f, tx_bit_nsamples);
// 0.5 sec of zero samples to flush - FIXME lame if ( tx_flush_nsamples )
size_t sample_rate = simpleaudio_get_rate(tx_sa_out); simpleaudio_tone(tx_sa_out, 0, tx_flush_nsamples);
simpleaudio_tone(tx_sa_out, 0, sample_rate/2);
tx_transmitting = 0; tx_transmitting = 0;
} }
@ -130,6 +130,10 @@ static void fsk_transmit_stdin(
tx_sa_out = sa_out; tx_sa_out = sa_out;
tx_bfsk_mark_f = bfsk_mark_f; tx_bfsk_mark_f = bfsk_mark_f;
tx_bit_nsamples = bit_nsamples; tx_bit_nsamples = bit_nsamples;
if ( tx_interactive )
tx_flush_nsamples = sample_rate/2; // 0.5 sec of zero samples to flush
else
tx_flush_nsamples = 0;
// one-shot // one-shot
struct itimerval itv = { struct itimerval itv = {