From: Andreas Oberritter <[email protected]>
Formatting fixes (Lindent + some handwork).
Signed-off-by: Andreas Oberritter <[email protected]>
Signed-off-by: Johannes Stezenbach <[email protected]>
drivers/media/dvb/dvb-core/dvb_demux.c | 469 ++++++++++++++++-----------------
drivers/media/dvb/dvb-core/dvb_demux.h | 109 +++----
2 files changed, 284 insertions(+), 294 deletions(-)
--- linux-2.6.13-git4.orig/drivers/media/dvb/dvb-core/dvb_demux.c 2005-09-04 22:27:58.000000000 +0200
+++ linux-2.6.13-git4/drivers/media/dvb/dvb-core/dvb_demux.c 2005-09-04 22:27:59.000000000 +0200
@@ -38,55 +38,52 @@
*/
// #define DVB_DEMUX_SECTION_LOSS_LOG
-
/******************************************************************************
* static inlined helper functions
******************************************************************************/
-
static inline u16 section_length(const u8 *buf)
{
- return 3+((buf[1]&0x0f)<<8)+buf[2];
+ return 3 + ((buf[1] & 0x0f) << 8) + buf[2];
}
-
static inline u16 ts_pid(const u8 *buf)
{
- return ((buf[1]&0x1f)<<8)+buf[2];
+ return ((buf[1] & 0x1f) << 8) + buf[2];
}
-
static inline u8 payload(const u8 *tsp)
{
- if (!(tsp[3] & 0x10)) // no payload?
+ if (!(tsp[3] & 0x10)) // no payload?
return 0;
- if (tsp[3] & 0x20) { // adaptation field?
- if (tsp[4] > 183) // corrupted data?
+
+ if (tsp[3] & 0x20) { // adaptation field?
+ if (tsp[4] > 183) // corrupted data?
return 0;
else
- return 184-1-tsp[4];
+ return 184 - 1 - tsp[4];
}
+
return 184;
}
-
-static u32 dvb_dmx_crc32 (struct dvb_demux_feed *f, const u8 *src, size_t len)
+static u32 dvb_dmx_crc32(struct dvb_demux_feed *f, const u8 *src, size_t len)
{
- return (f->feed.sec.crc_val = crc32_be (f->feed.sec.crc_val, src, len));
+ return (f->feed.sec.crc_val = crc32_be(f->feed.sec.crc_val, src, len));
}
-
-static void dvb_dmx_memcopy (struct dvb_demux_feed *f, u8 *d, const u8 *s, size_t len)
+static void dvb_dmx_memcopy(struct dvb_demux_feed *f, u8 *d, const u8 *s,
+ size_t len)
{
- memcpy (d, s, len);
+ memcpy(d, s, len);
}
-
/******************************************************************************
* Software filter functions
******************************************************************************/
-static inline int dvb_dmx_swfilter_payload (struct dvb_demux_feed *feed, const u8 *buf)
+static inline int dvb_dmx_swfilter_payload(struct dvb_demux_feed *feed,
+ const u8 *buf)
{
int count = payload(buf);
int p;
@@ -96,32 +93,31 @@ static inline int dvb_dmx_swfilter_paylo
if (count == 0)
return -1;
- p = 188-count;
+ p = 188 - count;
/*
- cc=buf[3]&0x0f;
- ccok=((dvbdmxfeed->cc+1)&0x0f)==cc ? 1 : 0;
- dvbdmxfeed->cc=cc;
+ cc = buf[3] & 0x0f;
+ ccok = ((feed->cc + 1) & 0x0f) == cc;
+ feed->cc = cc;
if (!ccok)
printk("missed packet!\n");
*/
- if (buf[1] & 0x40) // PUSI ?
+ if (buf[1] & 0x40) // PUSI ?
feed->peslen = 0xfffa;
feed->peslen += count;
- return feed->cb.ts (&buf[p], count, NULL, 0, &feed->feed.ts, DMX_OK);
+ return feed->cb.ts(&buf[p], count, NULL, 0, &feed->feed.ts, DMX_OK);
}
-
-static int dvb_dmx_swfilter_sectionfilter (struct dvb_demux_feed *feed,
- struct dvb_demux_filter *f)
+static int dvb_dmx_swfilter_sectionfilter(struct dvb_demux_feed *feed,
+ struct dvb_demux_filter *f)
{
u8 neq = 0;
int i;
- for (i=0; i<DVB_DEMUX_MASK_MAX; i++) {
+ for (i = 0; i < DVB_DEMUX_MASK_MAX; i++) {
u8 xor = f->filter.filter_value[i] ^ feed->feed.sec.secbuf[i];
if (f->maskandmode[i] & xor)
@@ -133,12 +129,11 @@ static int dvb_dmx_swfilter_sectionfilte
if (f->doneq && !neq)
return 0;
- return feed->cb.sec (feed->feed.sec.secbuf, feed->feed.sec.seclen,
- NULL, 0, &f->filter, DMX_OK);
+ return feed->cb.sec(feed->feed.sec.secbuf, feed->feed.sec.seclen,
+ NULL, 0, &f->filter, DMX_OK);
}
-
-static inline int dvb_dmx_swfilter_section_feed (struct dvb_demux_feed *feed)
+static inline int dvb_dmx_swfilter_section_feed(struct dvb_demux_feed *feed)
{
struct dvb_demux *demux = feed->demux;
struct dvb_demux_filter *f = feed->filter;
@@ -168,26 +163,24 @@ static inline int dvb_dmx_swfilter_secti
return 0;
}
-
static void dvb_dmx_swfilter_section_new(struct dvb_demux_feed *feed)
{
struct dmx_section_feed *sec = &feed->feed.sec;
#ifdef DVB_DEMUX_SECTION_LOSS_LOG
- if(sec->secbufp < sec->tsfeedp)
- {
+ if (sec->secbufp < sec->tsfeedp) {
int i, n = sec->tsfeedp - sec->secbufp;
- /* section padding is done with 0xff bytes entirely.
- ** due to speed reasons, we won't check all of them
- ** but just first and last
- */
- if(sec->secbuf[0] != 0xff || sec->secbuf[n-1] != 0xff)
- {
+ /*
+ * Section padding is done with 0xff bytes entirely.
+ * Due to speed reasons, we won't check all of them
+ * but just first and last.
+ */
+ if (sec->secbuf[0] != 0xff || sec->secbuf[n - 1] != 0xff) {
printk("dvb_demux.c section ts padding loss: %d/%d\n",
n, sec->tsfeedp);
printk("dvb_demux.c pad data:");
- for(i = 0; i < n; i++)
+ for (i = 0; i < n; i++)
printk(" %02x", sec->secbuf[i]);
printk("\n");
}
@@ -199,82 +192,81 @@ static void dvb_dmx_swfilter_section_new
}
/*
-** Losless Section Demux 1.4.1 by Emard
-** Valsecchi Patrick:
-** - middle of section A (no PUSI)
-** - end of section A and start of section B
-** (with PUSI pointing to the start of the second section)
-**
-** In this case, without feed->pusi_seen you'll receive a garbage section
-** consisting of the end of section A. Basically because tsfeedp
-** is incemented and the use=0 condition is not raised
-** when the second packet arrives.
-**
-** Fix:
-** when demux is started, let feed->pusi_seen = 0 to
-** prevent initial feeding of garbage from the end of
-** previous section. When you for the first time see PUSI=1
-** then set feed->pusi_seen = 1
-*/
-static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed, const u8 *buf, u8 len)
+ * Losless Section Demux 1.4.1 by Emard
+ * Valsecchi Patrick:
+ * - middle of section A (no PUSI)
+ * - end of section A and start of section B
+ * (with PUSI pointing to the start of the second section)
+ *
+ * In this case, without feed->pusi_seen you'll receive a garbage section
+ * consisting of the end of section A. Basically because tsfeedp
+ * is incemented and the use=0 condition is not raised
+ * when the second packet arrives.
+ *
+ * Fix:
+ * when demux is started, let feed->pusi_seen = 0 to
+ * prevent initial feeding of garbage from the end of
+ * previous section. When you for the first time see PUSI=1
+ * then set feed->pusi_seen = 1
+ */
+static int dvb_dmx_swfilter_section_copy_dump(struct dvb_demux_feed *feed,
+ const u8 *buf, u8 len)
{
struct dvb_demux *demux = feed->demux;
struct dmx_section_feed *sec = &feed->feed.sec;
u16 limit, seclen, n;
- if(sec->tsfeedp >= DMX_MAX_SECFEED_SIZE)
+ if (sec->tsfeedp >= DMX_MAX_SECFEED_SIZE)
return 0;
- if(sec->tsfeedp + len > DMX_MAX_SECFEED_SIZE)
- {
+ if (sec->tsfeedp + len > DMX_MAX_SECFEED_SIZE) {
#ifdef DVB_DEMUX_SECTION_LOSS_LOG
printk("dvb_demux.c section buffer full loss: %d/%d\n",
- sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE, DMX_MAX_SECFEED_SIZE);
+ sec->tsfeedp + len - DMX_MAX_SECFEED_SIZE,
+ DMX_MAX_SECFEED_SIZE);
#endif
len = DMX_MAX_SECFEED_SIZE - sec->tsfeedp;
}
- if(len <= 0)
+ if (len <= 0)
return 0;
demux->memcopy(feed, sec->secbuf_base + sec->tsfeedp, buf, len);
sec->tsfeedp += len;
- /* -----------------------------------------------------
- ** Dump all the sections we can find in the data (Emard)
- */
-
+ /*
+ * Dump all the sections we can find in the data (Emard)
+ */
limit = sec->tsfeedp;
- if(limit > DMX_MAX_SECFEED_SIZE)
- return -1; /* internal error should never happen */
+ if (limit > DMX_MAX_SECFEED_SIZE)
+ return -1; /* internal error should never happen */
/* to be sure always set secbuf */
sec->secbuf = sec->secbuf_base + sec->secbufp;
- for(n = 0; sec->secbufp + 2 < limit; n++)
- {
+ for (n = 0; sec->secbufp + 2 < limit; n++) {
seclen = section_length(sec->secbuf);
- if(seclen <= 0 || seclen > DMX_MAX_SECFEED_SIZE
- || seclen + sec->secbufp > limit)
+ if (seclen <= 0 || seclen > DMX_MAX_SECFEED_SIZE
+ || seclen + sec->secbufp > limit)
return 0;
sec->seclen = seclen;
sec->crc_val = ~0;
/* dump [secbuf .. secbuf+seclen) */
- if(feed->pusi_seen)
+ if (feed->pusi_seen)
dvb_dmx_swfilter_section_feed(feed);
#ifdef DVB_DEMUX_SECTION_LOSS_LOG
else
printk("dvb_demux.c pusi not seen, discarding section data\n");
#endif
- sec->secbufp += seclen; /* secbufp and secbuf moving together is */
- sec->secbuf += seclen; /* redundand but saves pointer arithmetic */
+ sec->secbufp += seclen; /* secbufp and secbuf moving together is */
+ sec->secbuf += seclen; /* redundant but saves pointer arithmetic */
}
return 0;
}
-
-static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed, const u8 *buf)
+static int dvb_dmx_swfilter_section_packet(struct dvb_demux_feed *feed,
+ const u8 *buf)
{
u8 p, count;
int ccok, dc_i = 0;
@@ -282,10 +274,10 @@ static int dvb_dmx_swfilter_section_pack
count = payload(buf);
- if (count == 0) /* count == 0 if no payload or out of range */
+ if (count == 0) /* count == 0 if no payload or out of range */
return -1;
- p = 188 - count; /* payload start */
+ p = 188 - count; /* payload start */
cc = buf[3] & 0x0f;
ccok = ((feed->cc + 1) & 0x0f) == cc;
@@ -299,51 +291,53 @@ static int dvb_dmx_swfilter_section_pack
if (!ccok || dc_i) {
#ifdef DVB_DEMUX_SECTION_LOSS_LOG
- printk("dvb_demux.c discontinuity detected %d bytes lost\n", count);
- /* those bytes under sume circumstances will again be reported
- ** in the following dvb_dmx_swfilter_section_new
- */
+ printk("dvb_demux.c discontinuity detected %d bytes lost\n",
+ count);
+ /*
+ * those bytes under sume circumstances will again be reported
+ * in the following dvb_dmx_swfilter_section_new
+ */
#endif
- /* Discontinuity detected. Reset pusi_seen = 0 to
- ** stop feeding of suspicious data until next PUSI=1 arrives
- */
+ /*
+ * Discontinuity detected. Reset pusi_seen = 0 to
+ * stop feeding of suspicious data until next PUSI=1 arrives
+ */
feed->pusi_seen = 0;
dvb_dmx_swfilter_section_new(feed);
}
if (buf[1] & 0x40) {
- // PUSI=1 (is set), section boundary is here
+ /* PUSI=1 (is set), section boundary is here */
if (count > 1 && buf[p] < count) {
- const u8 *before = buf+p+1;
+ const u8 *before = &buf[p + 1];
u8 before_len = buf[p];
- const u8 *after = before+before_len;
- u8 after_len = count-1-before_len;
+ const u8 *after = &before[before_len];
+ u8 after_len = count - 1 - before_len;
- dvb_dmx_swfilter_section_copy_dump(feed, before, before_len);
+ dvb_dmx_swfilter_section_copy_dump(feed, before,
+ before_len);
/* before start of new section, set pusi_seen = 1 */
feed->pusi_seen = 1;
dvb_dmx_swfilter_section_new(feed);
- dvb_dmx_swfilter_section_copy_dump(feed, after, after_len);
+ dvb_dmx_swfilter_section_copy_dump(feed, after,
+ after_len);
}
#ifdef DVB_DEMUX_SECTION_LOSS_LOG
- else
- if (count > 0)
- printk("dvb_demux.c PUSI=1 but %d bytes lost\n", count);
+ else if (count > 0)
+ printk("dvb_demux.c PUSI=1 but %d bytes lost\n", count);
#endif
} else {
- // PUSI=0 (is not set), no section boundary
- const u8 *entire = buf+p;
- u8 entire_len = count;
-
- dvb_dmx_swfilter_section_copy_dump(feed, entire, entire_len);
+ /* PUSI=0 (is not set), no section boundary */
+ dvb_dmx_swfilter_section_copy_dump(feed, &buf[p], count);
}
+
return 0;
}
-
-static inline void dvb_dmx_swfilter_packet_type(struct dvb_demux_feed *feed, const u8 *buf)
+static inline void dvb_dmx_swfilter_packet_type(struct dvb_demux_feed *feed,
+ const u8 *buf)
{
- switch(feed->type) {
+ switch (feed->type) {
case DMX_TYPE_TS:
if (!feed->feed.ts.is_filtering)
break;
@@ -351,7 +345,8 @@ static inline void dvb_dmx_swfilter_pack
if (feed->ts_type & TS_PAYLOAD_ONLY)
dvb_dmx_swfilter_payload(feed, buf);
else
- feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
+ feed->cb.ts(buf, 188, NULL, 0, &feed->feed.ts,
+ DMX_OK);
}
if (feed->ts_type & TS_DECODER)
if (feed->demux->write_to_decoder)
@@ -362,7 +357,7 @@ static inline void dvb_dmx_swfilter_pack
if (!feed->feed.sec.is_filtering)
break;
if (dvb_dmx_swfilter_section_packet(feed, buf) < 0)
- feed->feed.sec.seclen = feed->feed.sec.secbufp=0;
+ feed->feed.sec.seclen = feed->feed.sec.secbufp = 0;
break;
default:
@@ -378,7 +373,7 @@ static inline void dvb_dmx_swfilter_pack
static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
{
struct dvb_demux_feed *feed;
- struct list_head *pos, *head=&demux->feed_list;
+ struct list_head *pos, *head = &demux->feed_list;
u16 pid = ts_pid(buf);
int dvr_done = 0;
@@ -404,21 +399,21 @@ static void dvb_dmx_swfilter_packet(stru
}
}
-void dvb_dmx_swfilter_packets(struct dvb_demux *demux, const u8 *buf, size_t count)
+void dvb_dmx_swfilter_packets(struct dvb_demux *demux, const u8 *buf,
+ size_t count)
{
spin_lock(&demux->lock);
while (count--) {
- if(buf[0] == 0x47) {
- dvb_dmx_swfilter_packet(demux, buf);
- }
+ if (buf[0] == 0x47)
+ dvb_dmx_swfilter_packet(demux, buf);
buf += 188;
}
spin_unlock(&demux->lock);
}
-EXPORT_SYMBOL(dvb_dmx_swfilter_packets);
+EXPORT_SYMBOL(dvb_dmx_swfilter_packets);
void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count)
{
@@ -426,8 +421,10 @@ void dvb_dmx_swfilter(struct dvb_demux *
spin_lock(&demux->lock);
- if ((i = demux->tsbufp)) {
- if (count < (j=188-i)) {
+ if (demux->tsbufp) {
+ i = demux->tsbufp;
+ j = 188 - i;
+ if (count < j) {
memcpy(&demux->tsbuf[i], buf, count);
demux->tsbufp += count;
goto bailout;
@@ -441,13 +438,13 @@ void dvb_dmx_swfilter(struct dvb_demux *
while (p < count) {
if (buf[p] == 0x47) {
- if (count-p >= 188) {
- dvb_dmx_swfilter_packet(demux, buf+p);
+ if (count - p >= 188) {
+ dvb_dmx_swfilter_packet(demux, &buf[p]);
p += 188;
} else {
- i = count-p;
- memcpy(demux->tsbuf, buf+p, i);
- demux->tsbufp=i;
+ i = count - p;
+ memcpy(demux->tsbuf, &buf[p], i);
+ demux->tsbufp = i;
goto bailout;
}
} else
@@ -457,24 +454,29 @@ void dvb_dmx_swfilter(struct dvb_demux *
bailout:
spin_unlock(&demux->lock);
}
+
EXPORT_SYMBOL(dvb_dmx_swfilter);
void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf, size_t count)
{
- int p = 0,i, j;
+ int p = 0, i, j;
u8 tmppack[188];
+
spin_lock(&demux->lock);
- if ((i = demux->tsbufp)) {
- if (count < (j=204-i)) {
+ if (demux->tsbufp) {
+ i = demux->tsbufp;
+ j = 204 - i;
+ if (count < j) {
memcpy(&demux->tsbuf[i], buf, count);
demux->tsbufp += count;
goto bailout;
}
memcpy(&demux->tsbuf[i], buf, j);
- if ((demux->tsbuf[0] == 0x47)|(demux->tsbuf[0]==0xB8)) {
+ if ((demux->tsbuf[0] == 0x47) | (demux->tsbuf[0] == 0xB8)) {
memcpy(tmppack, demux->tsbuf, 188);
- if (tmppack[0] == 0xB8) tmppack[0] = 0x47;
+ if (tmppack[0] == 0xB8)
+ tmppack[0] = 0x47;
dvb_dmx_swfilter_packet(demux, tmppack);
}
demux->tsbufp = 0;
@@ -482,16 +484,17 @@ void dvb_dmx_swfilter_204(struct dvb_dem
}
while (p < count) {
- if ((buf[p] == 0x47)|(buf[p] == 0xB8)) {
- if (count-p >= 204) {
- memcpy(tmppack, buf+p, 188);
- if (tmppack[0] == 0xB8) tmppack[0] = 0x47;
+ if ((buf[p] == 0x47) | (buf[p] == 0xB8)) {
+ if (count - p >= 204) {
+ memcpy(tmppack, &buf[p], 188);
+ if (tmppack[0] == 0xB8)
+ tmppack[0] = 0x47;
dvb_dmx_swfilter_packet(demux, tmppack);
p += 204;
} else {
- i = count-p;
- memcpy(demux->tsbuf, buf+p, i);
- demux->tsbufp=i;
+ i = count - p;
+ memcpy(demux->tsbuf, &buf[p], i);
+ demux->tsbufp = i;
goto bailout;
}
} else {
@@ -502,14 +505,14 @@ void dvb_dmx_swfilter_204(struct dvb_dem
bailout:
spin_unlock(&demux->lock);
}
-EXPORT_SYMBOL(dvb_dmx_swfilter_204);
+EXPORT_SYMBOL(dvb_dmx_swfilter_204);
-static struct dvb_demux_filter * dvb_dmx_filter_alloc(struct dvb_demux *demux)
+static struct dvb_demux_filter *dvb_dmx_filter_alloc(struct dvb_demux *demux)
{
int i;
- for (i=0; i<demux->filternum; i++)
+ for (i = 0; i < demux->filternum; i++)
if (demux->filter[i].state == DMX_STATE_FREE)
break;
@@ -521,11 +524,11 @@ static struct dvb_demux_filter * dvb_dmx
return &demux->filter[i];
}
-static struct dvb_demux_feed * dvb_dmx_feed_alloc(struct dvb_demux *demux)
+static struct dvb_demux_feed *dvb_dmx_feed_alloc(struct dvb_demux *demux)
{
int i;
- for (i=0; i<demux->feednum; i++)
+ for (i = 0; i < demux->feednum; i++)
if (demux->feed[i].state == DMX_STATE_FREE)
break;
@@ -553,7 +556,7 @@ static void dvb_demux_feed_add(struct dv
spin_lock_irq(&feed->demux->lock);
if (dvb_demux_feed_find(feed)) {
printk(KERN_ERR "%s: feed already in list (type=%x state=%x pid=%x)\n",
- __FUNCTION__, feed->type, feed->state, feed->pid);
+ __FUNCTION__, feed->type, feed->state, feed->pid);
goto out;
}
@@ -567,7 +570,7 @@ static void dvb_demux_feed_del(struct dv
spin_lock_irq(&feed->demux->lock);
if (!(dvb_demux_feed_find(feed))) {
printk(KERN_ERR "%s: feed not in list (type=%x state=%x pid=%x)\n",
- __FUNCTION__, feed->type, feed->state, feed->pid);
+ __FUNCTION__, feed->type, feed->state, feed->pid);
goto out;
}
@@ -576,17 +579,17 @@ out:
spin_unlock_irq(&feed->demux->lock);
}
-static int dmx_ts_feed_set (struct dmx_ts_feed* ts_feed, u16 pid, int ts_type,
- enum dmx_ts_pes pes_type, size_t circular_buffer_size,
- struct timespec timeout)
+static int dmx_ts_feed_set(struct dmx_ts_feed *ts_feed, u16 pid, int ts_type,
+ enum dmx_ts_pes pes_type,
+ size_t circular_buffer_size, struct timespec timeout)
{
- struct dvb_demux_feed *feed = (struct dvb_demux_feed *) ts_feed;
+ struct dvb_demux_feed *feed = (struct dvb_demux_feed *)ts_feed;
struct dvb_demux *demux = feed->demux;
if (pid > DMX_MAX_PID)
return -EINVAL;
- if (down_interruptible (&demux->mutex))
+ if (down_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (ts_type & TS_DECODER) {
@@ -615,7 +618,7 @@ static int dmx_ts_feed_set (struct dmx_t
if (feed->buffer_size) {
#ifdef NOBUFS
- feed->buffer=NULL;
+ feed->buffer = NULL;
#else
feed->buffer = vmalloc(feed->buffer_size);
if (!feed->buffer) {
@@ -631,14 +634,13 @@ static int dmx_ts_feed_set (struct dmx_t
return 0;
}
-
-static int dmx_ts_feed_start_filtering(struct dmx_ts_feed* ts_feed)
+static int dmx_ts_feed_start_filtering(struct dmx_ts_feed *ts_feed)
{
- struct dvb_demux_feed *feed = (struct dvb_demux_feed *) ts_feed;
+ struct dvb_demux_feed *feed = (struct dvb_demux_feed *)ts_feed;
struct dvb_demux *demux = feed->demux;
int ret;
- if (down_interruptible (&demux->mutex))
+ if (down_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (feed->state != DMX_STATE_READY || feed->type != DMX_TYPE_TS) {
@@ -665,13 +667,13 @@ static int dmx_ts_feed_start_filtering(s
return 0;
}
-static int dmx_ts_feed_stop_filtering(struct dmx_ts_feed* ts_feed)
+static int dmx_ts_feed_stop_filtering(struct dmx_ts_feed *ts_feed)
{
- struct dvb_demux_feed *feed = (struct dvb_demux_feed *) ts_feed;
+ struct dvb_demux_feed *feed = (struct dvb_demux_feed *)ts_feed;
struct dvb_demux *demux = feed->demux;
int ret;
- if (down_interruptible (&demux->mutex))
+ if (down_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (feed->state < DMX_STATE_GO) {
@@ -695,13 +697,14 @@ static int dmx_ts_feed_stop_filtering(st
return ret;
}
-static int dvbdmx_allocate_ts_feed (struct dmx_demux *dmx, struct dmx_ts_feed **ts_feed,
- dmx_ts_cb callback)
+static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
+ struct dmx_ts_feed **ts_feed,
+ dmx_ts_cb callback)
{
- struct dvb_demux *demux = (struct dvb_demux *) dmx;
+ struct dvb_demux *demux = (struct dvb_demux *)dmx;
struct dvb_demux_feed *feed;
- if (down_interruptible (&demux->mutex))
+ if (down_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (!(feed = dvb_dmx_feed_alloc(demux))) {
@@ -724,7 +727,6 @@ static int dvbdmx_allocate_ts_feed (stru
(*ts_feed)->stop_filtering = dmx_ts_feed_stop_filtering;
(*ts_feed)->set = dmx_ts_feed_set;
-
if (!(feed->filter = dvb_dmx_filter_alloc(demux))) {
feed->state = DMX_STATE_FREE;
up(&demux->mutex);
@@ -740,22 +742,22 @@ static int dvbdmx_allocate_ts_feed (stru
return 0;
}
-static int dvbdmx_release_ts_feed(struct dmx_demux *dmx, struct dmx_ts_feed *ts_feed)
+static int dvbdmx_release_ts_feed(struct dmx_demux *dmx,
+ struct dmx_ts_feed *ts_feed)
{
- struct dvb_demux *demux = (struct dvb_demux *) dmx;
- struct dvb_demux_feed *feed = (struct dvb_demux_feed *) ts_feed;
+ struct dvb_demux *demux = (struct dvb_demux *)dmx;
+ struct dvb_demux_feed *feed = (struct dvb_demux_feed *)ts_feed;
- if (down_interruptible (&demux->mutex))
+ if (down_interruptible(&demux->mutex))
return -ERESTARTSYS;
if (feed->state == DMX_STATE_FREE) {
up(&demux->mutex);
return -EINVAL;
}
-
#ifndef NOBUFS
vfree(feed->buffer);
- feed->buffer=0;
+ feed->buffer = NULL;
#endif
feed->state = DMX_STATE_FREE;
@@ -772,19 +774,18 @@ static int dvbdmx_release_ts_feed(struct
return 0;
}
-
/******************************************************************************
* dmx_section_feed API calls
******************************************************************************/
-static int dmx_section_feed_allocate_filter(struct dmx_section_feed* feed,
- struct dmx_section_filter** filter)
+static int dmx_section_feed_allocate_filter(struct dmx_section_feed *feed,
+ struct dmx_section_filter **filter)
{
- struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) feed;
+ struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
struct dvb_demux *dvbdemux = dvbdmxfeed->demux;
struct dvb_demux_filter *dvbdmxfilter;
- if (down_interruptible (&dvbdemux->mutex))
+ if (down_interruptible(&dvbdemux->mutex))
return -ERESTARTSYS;
dvbdmxfilter = dvb_dmx_filter_alloc(dvbdemux);
@@ -808,18 +809,17 @@ static int dmx_section_feed_allocate_fil
return 0;
}
-
-static int dmx_section_feed_set(struct dmx_section_feed* feed,
- u16 pid, size_t circular_buffer_size,
- int check_crc)
+static int dmx_section_feed_set(struct dmx_section_feed *feed,
+ u16 pid, size_t circular_buffer_size,
+ int check_crc)
{
- struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) feed;
+ struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
if (pid > 0x1fff)
return -EINVAL;
- if (down_interruptible (&dvbdmx->mutex))
+ if (down_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
dvb_demux_feed_add(dvbdmxfeed);
@@ -831,7 +831,7 @@ static int dmx_section_feed_set(struct d
#ifdef NOBUFS
dvbdmxfeed->buffer = NULL;
#else
- dvbdmxfeed->buffer=vmalloc(dvbdmxfeed->buffer_size);
+ dvbdmxfeed->buffer = vmalloc(dvbdmxfeed->buffer_size);
if (!dvbdmxfeed->buffer) {
up(&dvbdmx->mutex);
return -ENOMEM;
@@ -843,7 +843,6 @@ static int dmx_section_feed_set(struct d
return 0;
}
-
static void prepare_secfilters(struct dvb_demux_feed *dvbdmxfeed)
{
int i;
@@ -851,12 +850,12 @@ static void prepare_secfilters(struct dv
struct dmx_section_filter *sf;
u8 mask, mode, doneq;
- if (!(f=dvbdmxfeed->filter))
+ if (!(f = dvbdmxfeed->filter))
return;
do {
sf = &f->filter;
doneq = 0;
- for (i=0; i<DVB_DEMUX_MASK_MAX; i++) {
+ for (i = 0; i < DVB_DEMUX_MASK_MAX; i++) {
mode = sf->filter_mode[i];
mask = sf->filter_mask[i];
f->maskandmode[i] = mask & mode;
@@ -866,14 +865,13 @@ static void prepare_secfilters(struct dv
} while ((f = f->next));
}
-
static int dmx_section_feed_start_filtering(struct dmx_section_feed *feed)
{
- struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) feed;
+ struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
int ret;
- if (down_interruptible (&dvbdmx->mutex))
+ if (down_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (feed->is_filtering) {
@@ -912,14 +910,13 @@ static int dmx_section_feed_start_filter
return 0;
}
-
-static int dmx_section_feed_stop_filtering(struct dmx_section_feed* feed)
+static int dmx_section_feed_stop_filtering(struct dmx_section_feed *feed)
{
- struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) feed;
+ struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
int ret;
- if (down_interruptible (&dvbdmx->mutex))
+ if (down_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (!dvbdmx->stop_feed) {
@@ -938,15 +935,14 @@ static int dmx_section_feed_stop_filteri
return ret;
}
-
static int dmx_section_feed_release_filter(struct dmx_section_feed *feed,
- struct dmx_section_filter* filter)
+ struct dmx_section_filter *filter)
{
- struct dvb_demux_filter *dvbdmxfilter = (struct dvb_demux_filter *) filter, *f;
- struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) feed;
+ struct dvb_demux_filter *dvbdmxfilter = (struct dvb_demux_filter *)filter, *f;
+ struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
- if (down_interruptible (&dvbdmx->mutex))
+ if (down_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (dvbdmxfilter->feed != dvbdmxfeed) {
@@ -963,7 +959,7 @@ static int dmx_section_feed_release_filt
if (f == dvbdmxfilter) {
dvbdmxfeed->filter = dvbdmxfilter->next;
} else {
- while(f->next != dvbdmxfilter)
+ while (f->next != dvbdmxfilter)
f = f->next;
f->next = f->next->next;
}
@@ -978,10 +974,10 @@ static int dvbdmx_allocate_section_feed(
struct dmx_section_feed **feed,
dmx_section_cb callback)
{
- struct dvb_demux *dvbdmx = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdmx = (struct dvb_demux *)demux;
struct dvb_demux_feed *dvbdmxfeed;
- if (down_interruptible (&dvbdmx->mutex))
+ if (down_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
if (!(dvbdmxfeed = dvb_dmx_feed_alloc(dvbdmx))) {
@@ -999,7 +995,7 @@ static int dvbdmx_allocate_section_feed(
dvbdmxfeed->filter = NULL;
dvbdmxfeed->buffer = NULL;
- (*feed)=&dvbdmxfeed->feed.sec;
+ (*feed) = &dvbdmxfeed->feed.sec;
(*feed)->is_filtering = 0;
(*feed)->parent = demux;
(*feed)->priv = NULL;
@@ -1017,21 +1013,21 @@ static int dvbdmx_allocate_section_feed(
static int dvbdmx_release_section_feed(struct dmx_demux *demux,
struct dmx_section_feed *feed)
{
- struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) feed;
- struct dvb_demux *dvbdmx = (struct dvb_demux *) demux;
+ struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
+ struct dvb_demux *dvbdmx = (struct dvb_demux *)demux;
- if (down_interruptible (&dvbdmx->mutex))
+ if (down_interruptible(&dvbdmx->mutex))
return -ERESTARTSYS;
- if (dvbdmxfeed->state==DMX_STATE_FREE) {
+ if (dvbdmxfeed->state == DMX_STATE_FREE) {
up(&dvbdmx->mutex);
return -EINVAL;
}
#ifndef NOBUFS
vfree(dvbdmxfeed->buffer);
- dvbdmxfeed->buffer=0;
+ dvbdmxfeed->buffer = NULL;
#endif
- dvbdmxfeed->state=DMX_STATE_FREE;
+ dvbdmxfeed->state = DMX_STATE_FREE;
dvb_demux_feed_del(dvbdmxfeed);
@@ -1041,14 +1037,13 @@ static int dvbdmx_release_section_feed(s
return 0;
}
-
/******************************************************************************
* dvb_demux kernel data API calls
******************************************************************************/
static int dvbdmx_open(struct dmx_demux *demux)
{
- struct dvb_demux *dvbdemux = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
if (dvbdemux->users >= MAX_DVB_DEMUX_USERS)
return -EUSERS;
@@ -1057,10 +1052,9 @@ static int dvbdmx_open(struct dmx_demux
return 0;
}
-
static int dvbdmx_close(struct dmx_demux *demux)
{
- struct dvb_demux *dvbdemux = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
if (dvbdemux->users == 0)
return -ENODEV;
@@ -1070,15 +1064,14 @@ static int dvbdmx_close(struct dmx_demux
return 0;
}
-
static int dvbdmx_write(struct dmx_demux *demux, const char *buf, size_t count)
{
- struct dvb_demux *dvbdemux=(struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
if ((!demux->frontend) || (demux->frontend->source != DMX_MEMORY_FE))
return -EINVAL;
- if (down_interruptible (&dvbdemux->mutex))
+ if (down_interruptible(&dvbdemux->mutex))
return -ERESTARTSYS;
dvb_dmx_swfilter(dvbdemux, buf, count);
up(&dvbdemux->mutex);
@@ -1088,10 +1081,10 @@ static int dvbdmx_write(struct dmx_demux
return count;
}
-
-static int dvbdmx_add_frontend(struct dmx_demux *demux, struct dmx_frontend *frontend)
+static int dvbdmx_add_frontend(struct dmx_demux *demux,
+ struct dmx_frontend *frontend)
{
- struct dvb_demux *dvbdemux = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
struct list_head *head = &dvbdemux->frontend_list;
list_add(&(frontend->connectivity_list), head);
@@ -1099,13 +1092,13 @@ static int dvbdmx_add_frontend(struct dm
return 0;
}
-
-static int dvbdmx_remove_frontend(struct dmx_demux *demux, struct dmx_frontend *frontend)
+static int dvbdmx_remove_frontend(struct dmx_demux *demux,
+ struct dmx_frontend *frontend)
{
- struct dvb_demux *dvbdemux = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
struct list_head *pos, *n, *head = &dvbdemux->frontend_list;
- list_for_each_safe (pos, n, head) {
+ list_for_each_safe(pos, n, head) {
if (DMX_FE_ENTRY(pos) == frontend) {
list_del(pos);
return 0;
@@ -1115,25 +1108,25 @@ static int dvbdmx_remove_frontend(struct
return -ENODEV;
}
-
-static struct list_head * dvbdmx_get_frontends(struct dmx_demux *demux)
+static struct list_head *dvbdmx_get_frontends(struct dmx_demux *demux)
{
- struct dvb_demux *dvbdemux = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
if (list_empty(&dvbdemux->frontend_list))
return NULL;
+
return &dvbdemux->frontend_list;
}
-
-static int dvbdmx_connect_frontend(struct dmx_demux *demux, struct dmx_frontend *frontend)
+static int dvbdmx_connect_frontend(struct dmx_demux *demux,
+ struct dmx_frontend *frontend)
{
- struct dvb_demux *dvbdemux = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
if (demux->frontend)
return -EINVAL;
- if (down_interruptible (&dvbdemux->mutex))
+ if (down_interruptible(&dvbdemux->mutex))
return -ERESTARTSYS;
demux->frontend = frontend;
@@ -1141,12 +1134,11 @@ static int dvbdmx_connect_frontend(struc
return 0;
}
-
static int dvbdmx_disconnect_frontend(struct dmx_demux *demux)
{
- struct dvb_demux *dvbdemux = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
- if (down_interruptible (&dvbdemux->mutex))
+ if (down_interruptible(&dvbdemux->mutex))
return -ERESTARTSYS;
demux->frontend = NULL;
@@ -1154,44 +1146,42 @@ static int dvbdmx_disconnect_frontend(st
return 0;
}
-
-static int dvbdmx_get_pes_pids(struct dmx_demux *demux, u16 *pids)
+static int dvbdmx_get_pes_pids(struct dmx_demux *demux, u16 * pids)
{
- struct dvb_demux *dvbdemux = (struct dvb_demux *) demux;
+ struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
- memcpy(pids, dvbdemux->pids, 5*sizeof(u16));
+ memcpy(pids, dvbdemux->pids, 5 * sizeof(u16));
return 0;
}
-
int dvb_dmx_init(struct dvb_demux *dvbdemux)
{
int i;
struct dmx_demux *dmx = &dvbdemux->dmx;
dvbdemux->users = 0;
- dvbdemux->filter = vmalloc(dvbdemux->filternum*sizeof(struct dvb_demux_filter));
+ dvbdemux->filter = vmalloc(dvbdemux->filternum * sizeof(struct dvb_demux_filter));
if (!dvbdemux->filter)
return -ENOMEM;
- dvbdemux->feed = vmalloc(dvbdemux->feednum*sizeof(struct dvb_demux_feed));
+ dvbdemux->feed = vmalloc(dvbdemux->feednum * sizeof(struct dvb_demux_feed));
if (!dvbdemux->feed) {
vfree(dvbdemux->filter);
return -ENOMEM;
}
- for (i=0; i<dvbdemux->filternum; i++) {
+ for (i = 0; i < dvbdemux->filternum; i++) {
dvbdemux->filter[i].state = DMX_STATE_FREE;
dvbdemux->filter[i].index = i;
}
- for (i=0; i<dvbdemux->feednum; i++) {
+ for (i = 0; i < dvbdemux->feednum; i++) {
dvbdemux->feed[i].state = DMX_STATE_FREE;
dvbdemux->feed[i].index = i;
}
INIT_LIST_HEAD(&dvbdemux->frontend_list);
- for (i=0; i<DMX_TS_PES_OTHER; i++) {
+ for (i = 0; i < DMX_TS_PES_OTHER; i++) {
dvbdemux->pesfilter[i] = NULL;
dvbdemux->pids[i] = 0xffff;
}
@@ -1205,11 +1195,11 @@ int dvb_dmx_init(struct dvb_demux *dvbde
if (!dvbdemux->check_crc32)
dvbdemux->check_crc32 = dvb_dmx_crc32;
- if (!dvbdemux->memcopy)
- dvbdemux->memcopy = dvb_dmx_memcopy;
+ if (!dvbdemux->memcopy)
+ dvbdemux->memcopy = dvb_dmx_memcopy;
dmx->frontend = NULL;
- dmx->priv = (void *) dvbdemux;
+ dmx->priv = dvbdemux;
dmx->open = dvbdmx_open;
dmx->close = dvbdmx_close;
dmx->write = dvbdmx_write;
@@ -1230,12 +1220,13 @@ int dvb_dmx_init(struct dvb_demux *dvbde
return 0;
}
-EXPORT_SYMBOL(dvb_dmx_init);
+EXPORT_SYMBOL(dvb_dmx_init);
void dvb_dmx_release(struct dvb_demux *dvbdemux)
{
vfree(dvbdemux->filter);
vfree(dvbdemux->feed);
}
+
EXPORT_SYMBOL(dvb_dmx_release);
--- linux-2.6.13-git4.orig/drivers/media/dvb/dvb-core/dvb_demux.h 2005-09-04 22:27:57.000000000 +0200
+++ linux-2.6.13-git4/drivers/media/dvb/dvb-core/dvb_demux.h 2005-09-04 22:27:59.000000000 +0200
@@ -20,7 +20,6 @@
*
*/
-
#ifndef _DVB_DEMUX_H_
#define _DVB_DEMUX_H_
@@ -44,98 +43,98 @@
#define DVB_DEMUX_MASK_MAX 18
struct dvb_demux_filter {
- struct dmx_section_filter filter;
- u8 maskandmode [DMX_MAX_FILTER_SIZE];
- u8 maskandnotmode [DMX_MAX_FILTER_SIZE];
+ struct dmx_section_filter filter;
+ u8 maskandmode[DMX_MAX_FILTER_SIZE];
+ u8 maskandnotmode[DMX_MAX_FILTER_SIZE];
int doneq;
- struct dvb_demux_filter *next;
- struct dvb_demux_feed *feed;
- int index;
- int state;
- int type;
+ struct dvb_demux_filter *next;
+ struct dvb_demux_feed *feed;
+ int index;
+ int state;
+ int type;
- u16 hw_handle;
- struct timer_list timer;
+ u16 hw_handle;
+ struct timer_list timer;
};
-
#define DMX_FEED_ENTRY(pos) list_entry(pos, struct dvb_demux_feed, list_head)
struct dvb_demux_feed {
- union {
- struct dmx_ts_feed ts;
- struct dmx_section_feed sec;
+ union {
+ struct dmx_ts_feed ts;
+ struct dmx_section_feed sec;
} feed;
- union {
- dmx_ts_cb ts;
- dmx_section_cb sec;
+ union {
+ dmx_ts_cb ts;
+ dmx_section_cb sec;
} cb;
- struct dvb_demux *demux;
+ struct dvb_demux *demux;
void *priv;
- int type;
- int state;
- u16 pid;
- u8 *buffer;
- int buffer_size;
-
- struct timespec timeout;
- struct dvb_demux_filter *filter;
+ int type;
+ int state;
+ u16 pid;
+ u8 *buffer;
+ int buffer_size;
+
+ struct timespec timeout;
+ struct dvb_demux_filter *filter;
- int ts_type;
- enum dmx_ts_pes pes_type;
+ int ts_type;
+ enum dmx_ts_pes pes_type;
- int cc;
- int pusi_seen; /* prevents feeding of garbage from previous section */
+ int cc;
+ int pusi_seen; /* prevents feeding of garbage from previous section */
- u16 peslen;
+ u16 peslen;
struct list_head list_head;
- unsigned int index; /* a unique index for each feed (can be used as hardware pid filter index) */
+ unsigned int index; /* a unique index for each feed (can be used as hardware pid filter index) */
};
struct dvb_demux {
- struct dmx_demux dmx;
- void *priv;
- int filternum;
- int feednum;
- int (*start_feed) (struct dvb_demux_feed *feed);
- int (*stop_feed) (struct dvb_demux_feed *feed);
- int (*write_to_decoder) (struct dvb_demux_feed *feed,
+ struct dmx_demux dmx;
+ void *priv;
+ int filternum;
+ int feednum;
+ int (*start_feed)(struct dvb_demux_feed *feed);
+ int (*stop_feed)(struct dvb_demux_feed *feed);
+ int (*write_to_decoder)(struct dvb_demux_feed *feed,
const u8 *buf, size_t len);
- u32 (*check_crc32) (struct dvb_demux_feed *feed,
+ u32 (*check_crc32)(struct dvb_demux_feed *feed,
const u8 *buf, size_t len);
- void (*memcopy) (struct dvb_demux_feed *feed, u8 *dst,
+ void (*memcopy)(struct dvb_demux_feed *feed, u8 *dst,
const u8 *src, size_t len);
- int users;
+ int users;
#define MAX_DVB_DEMUX_USERS 10
- struct dvb_demux_filter *filter;
- struct dvb_demux_feed *feed;
+ struct dvb_demux_filter *filter;
+ struct dvb_demux_feed *feed;
- struct list_head frontend_list;
+ struct list_head frontend_list;
- struct dvb_demux_feed *pesfilter[DMX_TS_PES_OTHER];
- u16 pids[DMX_TS_PES_OTHER];
- int playing;
- int recording;
+ struct dvb_demux_feed *pesfilter[DMX_TS_PES_OTHER];
+ u16 pids[DMX_TS_PES_OTHER];
+ int playing;
+ int recording;
#define DMX_MAX_PID 0x2000
struct list_head feed_list;
- u8 tsbuf[204];
- int tsbufp;
+ u8 tsbuf[204];
+ int tsbufp;
struct semaphore mutex;
spinlock_t lock;
};
-
int dvb_dmx_init(struct dvb_demux *dvbdemux);
void dvb_dmx_release(struct dvb_demux *dvbdemux);
-void dvb_dmx_swfilter_packets(struct dvb_demux *dvbdmx, const u8 *buf, size_t count);
+void dvb_dmx_swfilter_packets(struct dvb_demux *dvbdmx, const u8 *buf,
+ size_t count);
void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count);
-void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf, size_t count);
+void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf,
+ size_t count);
#endif /* _DVB_DEMUX_H_ */
--
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
| |
 |