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Drop packets if sample rate is invalid

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This commit is contained in:
Andreas Öman 2008-05-04 18:33:10 +00:00
parent 5a5e4854ca
commit 40e87f9dbc
1 changed files with 10 additions and 0 deletions
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10
parsers.c
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@ -286,6 +286,11 @@ parse_mpegaudio(th_transport_t *t, th_stream_t *st, th_pkt_t *pkt)
header = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | (buf[3]);
sample_rate = mpegaudio_freq_tab[(header >> 10) & 3];
if(sample_rate == 0) {
pkt_deref(pkt);
return;
}
duration = 90000 * 1152 / sample_rate;
pkt->pkt_duration = duration;
st->st_nextdts = pkt->pkt_dts + duration;
@ -355,6 +360,11 @@ parse_ac3(th_transport_t *t, th_stream_t *st, th_pkt_t *pkt)
bsid = 0;
sample_rate = ac3_freq_tab[src] >> bsid;
if(sample_rate == 0) {
pkt_deref(pkt);
return;
}
frame_size = ac3_frame_size_tab[fsc][src] * 2;
duration = 90000 * 1536 / sample_rate;