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consider parse random_access_point from the adaption_field to determine if the payload is an access point (for SL)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14993 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nicodvb 2005-03-23 07:43:31 +00:00
parent 882fe89f99
commit f6329a75d8
1 changed files with 24 additions and 27 deletions
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51
libmpdemux/demux_ts.c
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@ -1047,7 +1047,7 @@ static int mp4_parse_sl_packet(pmt_t *pmt, uint8_t *buf, uint16_t packet_len, in
if(sl->random_accesspoint)
rap_flag = getbits(buf, n++, 1);
if((rap_flag || sl->random_accesspoint_only) || (!sl->random_accesspoint && !sl->random_accesspoint_only))
if(rap_flag || sl->random_accesspoint_only)
pes_es->is_synced = 1;
n += sl->au_seqnum_len;
@ -2364,7 +2364,7 @@ static int ts_parse(demuxer_t *demuxer , ES_stream_t *es, unsigned char *packet,
demux_packet_t **dp = NULL;
int *dp_offset = 0, *buffer_size = 0;
int32_t progid, pid_type, bad, ts_error;
int junk = 0;
int junk = 0, rap_flag = 0;
pmt_t *pmt;
@ -2374,6 +2374,7 @@ static int ts_parse(demuxer_t *demuxer , ES_stream_t *es, unsigned char *packet,
ds = (demux_stream_t*) NULL;
dp = (demux_packet_t **) NULL;
dp_offset = buffer_size = NULL;
rap_flag = 0;
junk = priv->ts.packet_size - TS_PACKET_SIZE;
buf_size = priv->ts.packet_size - junk;
@ -2430,33 +2431,29 @@ static int ts_parse(demuxer_t *demuxer , ES_stream_t *es, unsigned char *packet,
bad = ts_error; // || (! cc_ok);
if(! bad)
afc = (packet[3] >> 4) & 3;
if(afc > 1)
{
// skip adaptation field, but only if cc_ok is not corrupt,
//otherwise we may throw away good data
afc = (packet[3] >> 4) & 3;
if(! (afc % 2)) //no payload in this TS packet
{
stream_skip(stream, buf_size-1+junk);
continue;
}
if(afc == 3)
{
int c;
c = stream_read_char(stream);
buf_size--;
int c;
c = stream_read_char(stream);
buf_size--;
rap_flag = stream_read_char(stream) & 0x40;
buf_size--;
c = min(c, buf_size);
stream_skip(stream, c);
buf_size -= c;
if(buf_size == 0)
continue;
afc = c + 1;
}
c = min(c-1, buf_size);
stream_skip(stream, c);
buf_size -= c;
if(buf_size == 0)
continue;
}
else
if(! (afc % 2)) //no payload in this TS packet
{
stream_skip(stream, buf_size-1+junk);
continue;
}
if(bad)
{
// logically this packet should be dropped, but if I do it
// certain streams play corrupted. Maybe the decoders know
@ -2652,7 +2649,7 @@ static int ts_parse(demuxer_t *demuxer , ES_stream_t *es, unsigned char *packet,
len = pes_parse2(p, buf_size, es, pid_type, pmt, pid);
es->pid = tss->pid;
tss->is_synced = es->is_synced;
tss->is_synced = es->is_synced | rap_flag;
if(es->type==SL_PES_STREAM && !tss->is_synced)
{