aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2018-01-24 09:03:03 -0500
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2018-01-29 07:49:24 -0500
commit0f3827351ed39aeca0bea8f99813e2964e10c497 (patch)
tree50c6de2ba5d714b8401fc41abbd3a19f3ef7c935 /drivers/media
parentfed488b3956b6dc637bec6b5a0bc10d6435da9f5 (diff)
media: dvb_demux: improve debug messages
Do some cleanup of debug messages, making them cleaner and easier to be used to analyze what's going on. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb-core/dvb_demux.c43
1 files changed, 22 insertions, 21 deletions
diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c
index 1a6e2e61952a..210eed0269b0 100644
--- a/drivers/media/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb-core/dvb_demux.c
@@ -119,7 +119,8 @@ static inline int dvb_dmx_swfilter_payload(struct dvb_demux_feed *feed,
ccok = ((feed->cc + 1) & 0x0f) == cc;
feed->cc = cc;
if (!ccok)
- dprintk("missed packet!\n");
+ dprintk("missed packet: %d instead of %d!\n",
+ cc, (feed->cc + 1) & 0x0f);
#endif
if (buf[1] & 0x40) // PUSI ?
@@ -188,7 +189,7 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed)
#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
if (sec->secbufp < sec->tsfeedp) {
- int i, n = sec->tsfeedp - sec->secbufp;
+ int n = sec->tsfeedp - sec->secbufp;
/*
* Section padding is done with 0xff bytes entirely.
@@ -196,12 +197,9 @@ static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed)
* but just first and last.
*/
if (sec->secbuf[0] != 0xff || sec->secbuf[n - 1] != 0xff) {
- dprintk("dvb_demux.c section ts padding loss: %d/%d\n",
+ dprintk("section ts padding loss: %d/%d\n",
n, sec->tsfeedp);
- dprintk("dvb_demux.c pad data:");
- for (i = 0; i < n; i++)
- pr_cont(" %02x", sec->secbuf[i]);
- pr_cont("\n");
+ dprintk("pad data: %*ph\n", n, sec->secbuf);
}
}
#endif
@@ -240,9 +238,9 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed,
if (sec->tsfeedp + len > DMX_MAX_SECFEED_SIZE) {
#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
- dprintk("dvb_demux.c section buffer full loss: %d/%d\n",
- sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE,
- DMX_MAX_SECFEED_SIZE);
+ dprintk("section buffer full loss: %d/%d\n",
+ sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE,
+ DMX_MAX_SECFEED_SIZE);
#endif
len = DMX_MAX_SECFEED_SIZE - sec->tsfeedp;
}
@@ -275,7 +273,7 @@ static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed,
dvb_dmx_swfilter_section_feed(feed);
#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
else
- dprintk("dvb_demux.c pusi not seen, discarding section data\n");
+ dprintk("pusi not seen, discarding section data\n");
#endif
sec->secbufp += seclen; /* secbufp and secbuf moving together is */
sec->secbuf += seclen; /* redundant but saves pointer arithmetic */
@@ -310,9 +308,12 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed,
if (!ccok || dc_i) {
#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
- dprintk("discontinuity %s: %d bytes lost\n",
- !ccok ? "detected" : "indicated",
- count + 4);
+ if (dc_i)
+ dprintk("%d frame with disconnect indicator\n",
+ cc);
+ else
+ dprintk("discontinuity: %d instead of %d. %d bytes lost\n",
+ cc, (feed->cc + 1) & 0x0f, count + 4);
/*
* those bytes under sume circumstances will again be reported
* in the following dvb_dmx_swfilter_section_new
@@ -347,8 +348,7 @@ static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed,
}
#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
else if (count > 0)
- dprintk("dvb_demux.c PUSI=1 but %d bytes lost\n",
- count);
+ dprintk("PUSI=1 but %d bytes lost\n", count);
#endif
} else {
/* PUSI=0 (is not set), no section boundary */
@@ -418,9 +418,10 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
1024);
speed_timedelta = ktime_ms_delta(cur_time,
demux->speed_last_time);
- dprintk("TS speed %llu Kbits/sec \n",
- div64_u64(speed_bytes,
- speed_timedelta));
+ if (speed_timedelta)
+ dprintk("TS speed %llu Kbits/sec \n",
+ div64_u64(speed_bytes,
+ speed_timedelta));
}
demux->speed_last_time = cur_time;
@@ -445,8 +446,8 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
if ((buf[3] & 0xf) != demux->cnt_storage[pid]) {
dprintk_tscheck("TS packet counter mismatch. PID=0x%x expected 0x%x got 0x%x\n",
- pid, demux->cnt_storage[pid],
- buf[3] & 0xf);
+ pid, demux->cnt_storage[pid],
+ buf[3] & 0xf);
demux->cnt_storage[pid] = buf[3] & 0xf;
}
}

Privacy Policy