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Code Issues Releases Activity

remove duplicate PAT scaning code and actual PAT scan

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also disabling the nonsense 3yr old rawts change (it would after the
above chage totally break the demuxer if its left enabled)

Originally committed as revision 9208 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-06-04 14:44:52 +00:00
parent 4dc8a963d1
commit ad39abcdd9
1 changed files with 2 additions and 57 deletions
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59
libavformat/mpegts.c
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@ -600,6 +600,7 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
if (sid == 0x0000) {
/* NIT info */
} else {
new_service(ts, sid, NULL, NULL);
ts->stop_parse--;
mpegts_open_section_filter(ts, pmt_pid,
pmt_cb, ts, 1);
@ -611,47 +612,6 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
mpegts_close_filter(ts, filter);
}
/* add all services found in the PAT */
static void pat_scan_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
MpegTSContext *ts = filter->u.section_filter.opaque;
SectionHeader h1, *h = &h1;
const uint8_t *p, *p_end;
int sid, pmt_pid;
#ifdef DEBUG_SI
av_log(ts->stream, AV_LOG_DEBUG, "PAT:\n");
av_hex_dump_log(ts->stream, AV_LOG_DEBUG, (uint8_t *)section, section_len);
#endif
p_end = section + section_len - 4;
p = section;
if (parse_section_header(h, &p, p_end) < 0)
return;
if (h->tid != PAT_TID)
return;
for(;;) {
sid = get16(&p, p_end);
if (sid < 0)
break;
pmt_pid = get16(&p, p_end) & 0x1fff;
if (pmt_pid < 0)
break;
#ifdef DEBUG_SI
av_log(ts->stream, AV_LOG_DEBUG, "sid=0x%x pid=0x%x\n", sid, pmt_pid);
#endif
if (sid == 0x0000) {
/* NIT info */
} else {
new_service(ts, sid, NULL, NULL);
}
}
ts->stop_parse = 1;
/* remove filter */
mpegts_close_filter(ts, filter);
}
static void mpegts_set_service(MpegTSContext *ts)
{
mpegts_open_section_filter(ts, PAT_PID,
@ -737,14 +697,6 @@ static void mpegts_scan_sdt(MpegTSContext *ts)
sdt_cb, ts, 1);
}
/* scan services in a transport stream by looking at the PAT (better
than nothing !) */
static void mpegts_scan_pat(MpegTSContext *ts)
{
mpegts_open_section_filter(ts, PAT_PID,
pat_scan_cb, ts, 1);
}
static int64_t get_pts(const uint8_t *p)
{
int64_t pts;
@ -1204,20 +1156,13 @@ static int mpegts_read_header(AVFormatContext *s,
url_fseek(pb, pos, SEEK_SET);
mpegts_scan_sdt(ts);
if (ts->nb_services <= 0) {
mpegts_scan_pat(ts);
handle_packets(ts, s->probesize);
}
if (ts->nb_services <= 0) {
if (ts->nb_services <= 0 && 0) {
/* raw transport stream */
ts->auto_guess = 1;
s->ctx_flags |= AVFMTCTX_NOHEADER;
goto do_pcr;
}
url_fseek(pb, pos, SEEK_SET);
mpegts_set_service(ts);
handle_packets(ts, s->probesize);