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games/mp3dec: dont give up too soon on stream errors

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This commit is contained in:
cinap_lenrek 2011-11-17 22:26:53 +01:00
parent 251c3cd70a
commit 79172e71e6
1 changed files with 16 additions and 7 deletions
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23
sys/src/games/mp3dec/main.c
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@ -9,6 +9,7 @@
char *name;
vlong offset;
int rate = 44100;
int debug = 0;
char *outfile;
int vfd; /* /dev/volume */
@ -149,12 +150,17 @@ output(void *data, struct mad_header const* header, struct mad_pcm *pcm)
static enum mad_flow
error(void *data, struct mad_stream *stream, struct mad_frame *frame)
{
if(stream->error == MAD_ERROR_LOSTSYNC)
return MAD_FLOW_CONTINUE;
sysfatal("%s:#%lld: %s",
name, offset-(stream->bufend-stream->next_frame),
mad_stream_errorstr(stream));
return 0;
if(stream->error == MAD_ERROR_LOSTSYNC){
if(memcmp(stream->this_frame, "TAG", 3)==0){
mad_stream_skip(stream, 128);
return MAD_FLOW_CONTINUE;
}
}
if(debug)
fprint(2, "%s:#%lld: %s\n",
name, offset-(stream->bufend-stream->next_frame),
mad_stream_errorstr(stream));
return MAD_FLOW_CONTINUE;
}
void
@ -171,7 +177,7 @@ play(int fd, char *nam)
void
usage(void)
{
fprint(2, "usage: mp3dec [-o outfile] [file...]\n");
fprint(2, "usage: mp3dec [ -d ] [ -o outfile ] [ file ... ]\n");
exits("usage");
}
@ -185,6 +191,9 @@ main(int argc, char **argv)
case 'o':
outfile = EARGF(usage());
break;
case 'd':
debug++;
break;
default:
usage();
}ARGEND