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audio/flacdec: exit on decode error, print error message

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This commit is contained in:
cinap_lenrek 2016-06-20 23:09:40 +02:00
parent a00b6bdbfa
commit 94ba3db591
1 changed files with 13 additions and 10 deletions
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23
sys/src/cmd/audio/flacdec/flacdec.c
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@ -7,6 +7,15 @@
static int ifd = -1;
static int sts;
static void
flushout(void)
{
if(ifd >= 0){
close(ifd);
wait(&sts);
}
}
static FLAC__StreamDecoderReadStatus
decinput(FLAC__StreamDecoder *dec, FLAC__byte buffer[], size_t *bytes, void *client_data)
{
@ -44,10 +53,7 @@ decoutput(FLAC__StreamDecoder *dec, FLAC__Frame *frame, FLAC__int32 *buffer[], v
bits = frame->header.bits_per_sample;
sprintf(fmt, "s%dr%dc%d", bits, rate, chans);
if(ifd >= 0){
close(ifd);
wait(&sts);
}
flushout();
if(pipe(pfd) < 0){
fprintf(stderr, "Error creating pipe\n");
exit(1);
@ -67,6 +73,7 @@ decoutput(FLAC__StreamDecoder *dec, FLAC__Frame *frame, FLAC__int32 *buffer[], v
}
close(pfd[1]);
ifd = pfd[0];
atexit(flushout);
}
len = frame->header.blocksize;
b = (bits+7)/8;
@ -109,6 +116,8 @@ decoutput(FLAC__StreamDecoder *dec, FLAC__Frame *frame, FLAC__int32 *buffer[], v
static void
decerror(FLAC__StreamDecoder *dec, FLAC__StreamDecoderErrorStatus status, void *client_data)
{
fprintf(stderr, "decode error: %s (%d)\n", FLAC__StreamDecoderErrorStatusString[status], status);
exit(1);
}
int main(int argc, char *argv[])
@ -120,11 +129,5 @@ int main(int argc, char *argv[])
FLAC__stream_decoder_init_stream(dec, decinput, NULL, NULL, NULL, NULL, decoutput, NULL, decerror, NULL);
FLAC__stream_decoder_process_until_end_of_stream(dec);
FLAC__stream_decoder_finish(dec);
if(ifd >= 0){
close(ifd);
wait(&sts);
}
return 0;
}