mirrors/libstb-hal
1
0
Fork 0
mirror of https://github.com/tuxbox-neutrino/libstb-hal.git synced 2025-08-26 15:02:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

libspark: make cDemux build

Browse Source 
This might actually even work, but is untested.
This commit is contained in:
Stefan Seyfried
2012-02-05 18:46:32 +01:00
parent edbfbdecf6
commit 9e3c6b445a
3 changed files with 78 additions and 159 deletions
Download Patch File Download Diff File Expand all files Collapse all files

224
libspark/dmx.cpp
View File

@@ -8,7 +8,6 @@
#include <cstring>
#include <cstdio>
#include <string>
#include <hardware/tddevices.h>
#include "dmx_lib.h"
#include "lt_debug.h"
@@ -24,7 +23,7 @@ extern cVideo *videoDecoder;
if (dmx_type == DMX_PES_CHANNEL) { \
_pid = p_flt.pid; \
} else if (dmx_type == DMX_PSI_CHANNEL) { \
_pid = s_flt.pid; _f = s_flt.filter[0]; \
_pid = s_flt.pid; _f = s_flt.filter.filter[0]; \
}; \
lt_info("%s " _errfmt " fd:%d, ev:0x%x %s pid:0x%04hx flt:0x%02hx\n", \
__func__, _errstr, fd, _revents, DMX_T[dmx_type], _pid, _f); \
@@ -45,11 +44,11 @@ static const char *DMX_T[] = {
"DMX_PCR"
};
/* map the device numbers as used to the TD devices */
/* map the device numbers. for now only demux0 is used */
static const char *devname[] = {
"/dev/" DEVICE_NAME_DEMUX "0",
"/dev/" DEVICE_NAME_DEMUX "1",
"/dev/" DEVICE_NAME_DEMUX "2",
"/dev/dvb/adapter0/demux0",
"/dev/dvb/adapter0/demux0",
"/dev/dvb/adapter0/demux0"
};
/* uuuugly */
@@ -127,8 +126,8 @@ bool cDemux::Open(DMX_CHANNEL_TYPE pes_type, void * /*hVideoBuffer*/, int uBuffe
return false;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
lt_debug("%s #%d pes_type: %s(%d), uBufferSize: %d dev:%s fd: %d\n", __func__,
num, DMX_T[pes_type], pes_type, uBufferSize, devname[devnum] + strlen("/dev/stb/"), fd);
lt_debug("%s #%d pes_type: %s(%d), uBufferSize: %d fd: %d\n", __func__,
num, DMX_T[pes_type], pes_type, uBufferSize, fd);
dmx_type = pes_type;
@@ -137,23 +136,15 @@ bool cDemux::Open(DMX_CHANNEL_TYPE pes_type, void * /*hVideoBuffer*/, int uBuffe
lt_info("%s ERROR! pesfds not empty!\n", __FUNCTION__); /* TODO: error handling */
return false;
}
if (pes_type == DMX_TP_CHANNEL)
{
if (measure)
return true;
struct demux_bucket_para bp;
bp.unloader.unloader_type = UNLOADER_TYPE_TRANSPORT;
bp.unloader.threshold = 128;
ioctl(fd, DEMUX_SELECT_SOURCE, INPUT_FROM_CHANNEL0);
ioctl(fd, DEMUX_SET_BUFFER_SIZE, 230400);
ioctl(fd, DEMUX_FILTER_BUCKET_SET, &bp);
return true;
}
int n = DMX_SOURCE_FRONT0;
if (ioctl(fd, DMX_SET_SOURCE, &n) < 0)
lt_info("%s DMX_SET_SOURCE failed!\n", __func__);
if (uBufferSize > 0)
{
/* probably uBufferSize == 0 means "use default size". TODO: find a reasonable default */
if (ioctl(fd, DEMUX_SET_BUFFER_SIZE, uBufferSize) < 0)
lt_info("%s DEMUX_SET_BUFFER_SIZE failed (%m)\n", __FUNCTION__);
if (ioctl(fd, DMX_SET_BUFFER_SIZE, uBufferSize) < 0)
lt_info("%s DMX_SET_BUFFER_SIZE failed (%m)\n", __func__);
}
buffersize = uBufferSize;
@@ -172,13 +163,13 @@ void cDemux::Close(void)
for (std::vector<pes_pids>::const_iterator i = pesfds.begin(); i != pesfds.end(); ++i)
{
lt_debug("%s stopping and closing demux fd %d pid 0x%04x\n", __FUNCTION__, (*i).fd, (*i).pid);
if (ioctl((*i).fd, DEMUX_STOP) < 0)
if (ioctl((*i).fd, DMX_STOP) < 0)
perror("DEMUX_STOP");
if (close((*i).fd) < 0)
perror("close");
}
pesfds.clear();
ioctl(fd, DEMUX_STOP);
ioctl(fd, DMX_STOP);
close(fd);
fd = -1;
if (measure)
@@ -205,10 +196,10 @@ bool cDemux::Start(bool)
for (std::vector<pes_pids>::const_iterator i = pesfds.begin(); i != pesfds.end(); ++i)
{
lt_debug("%s starting demux fd %d pid 0x%04x\n", __FUNCTION__, (*i).fd, (*i).pid);
if (ioctl((*i).fd, DEMUX_START) < 0)
perror("DEMUX_START");
if (ioctl((*i).fd, DMX_START) < 0)
perror("DMX_START");
}
ioctl(fd, DEMUX_START);
ioctl(fd, DMX_START);
return true;
}
@@ -222,10 +213,10 @@ bool cDemux::Stop(void)
for (std::vector<pes_pids>::const_iterator i = pesfds.begin(); i != pesfds.end(); ++i)
{
lt_debug("%s stopping demux fd %d pid 0x%04x\n", __FUNCTION__, (*i).fd, (*i).pid);
if (ioctl((*i).fd, DEMUX_STOP) < 0)
perror("DEMUX_STOP");
if (ioctl((*i).fd, DMX_STOP) < 0)
perror("DMX_STOP");
}
ioctl(fd, DEMUX_STOP);
ioctl(fd, DMX_STOP);
return true;
}
@@ -239,54 +230,9 @@ int cDemux::Read(unsigned char *buff, int len, int timeout)
int rc;
struct pollfd ufds;
ufds.fd = fd;
ufds.events = POLLIN;
ufds.events = POLLIN|POLLPRI|POLLERR;
ufds.revents = 0;
if (measure)
{
uint64_t now;
struct timespec t;
clock_gettime(CLOCK_MONOTONIC, &t);
now = t.tv_sec * 1000;
now += t.tv_nsec / 1000000;
if (now - last_measure < 333)
return 0;
unsigned char dummy[12];
unsigned long long bit_s = 0;
S_STREAM_MEASURE m;
ioctl(fd, DEMUX_STOP);
rc = read(fd, dummy, 12);
lt_debug("%s measure read: %d\n", __func__, rc);
if (rc == 12)
{
ioctl(fd, DEMUX_GET_MEASURE_TIMING, &m);
if (m.rx_bytes > 0 && m.rx_time_us > 0)
{
// -- current bandwidth in kbit/sec
// --- cast to unsigned long long so it doesn't overflow as
// --- early, add time / 2 before division for correct rounding
/* the correction factor is found out like that:
- with 8000 (guessed), a 256 kbit radio stream shows as 262kbit...
- 8000*256/262 = 7816.793131
BUT! this is only true for some Radio stations (DRS3 for example), for
others (DLF) 8000 does just fine.
bit_s = (m.rx_bytes * 7816793ULL + (m.rx_time_us / 2ULL)) / m.rx_time_us;
*/
bit_s = (m.rx_bytes * 8000ULL + (m.rx_time_us / 2ULL)) / m.rx_time_us;
if (now - last_data < 5000)
rc = bit_s * (now - last_data) / 8ULL;
else
rc = 0;
lt_debug("%s measure bit_s: %llu rc: %d timediff: %lld\n",
__func__, bit_s, rc, (now - last_data));
last_data = now;
} else
rc = 0;
}
last_measure = now;
ioctl(fd, DEMUX_START);
return rc;
}
if (timeout > 0)
{
retry:
@@ -302,12 +248,14 @@ int cDemux::Read(unsigned char *buff, int len, int timeout)
goto retry;
return -1;
}
#if 0
if (ufds.revents & POLLERR) /* POLLERR means buffer error, i.e. buffer overflow */
{
dmx_err("received %s,", "POLLERR", ufds.revents);
/* this seems to happen sometimes at recording start, without bad effects */
return 0;
}
#endif
if (ufds.revents & POLLHUP) /* we get POLLHUP if e.g. a too big DMX_BUFFER_SIZE was set */
{
dmx_err("received %s,", "POLLHUP", ufds.revents);
@@ -332,29 +280,22 @@ bool cDemux::sectionFilter(unsigned short pid, const unsigned char * const filte
const unsigned char * const mask, int len, int timeout,
const unsigned char * const negmask)
{
int length;
int length = len;
memset(&s_flt, 0, sizeof(s_flt));
if (len > FILTER_LENGTH - 2)
lt_info("%s #%d: len too long: %d, FILTER_LENGTH: %d\n", __FUNCTION__, num, len, FILTER_LENGTH);
length = (len + 2 + 1) & 0xfe; /* reportedly, the TD drivers don't handle odd filter */
if (length > FILTER_LENGTH) /* lengths well. So make sure the length is a multiple */
length = FILTER_LENGTH; /* of 2. The unused mask is zeroed anyway. */
s_flt.pid = pid;
s_flt.filter_length = length;
s_flt.filter[0] = filter[0];
s_flt.mask[0] = mask[0];
s_flt.timeout = timeout;
memcpy(&s_flt.filter[3], &filter[1], len - 1);
memcpy(&s_flt.mask[3], &mask[1], len - 1);
if (negmask != NULL)
if (len > DMX_FILTER_SIZE)
{
s_flt.positive[0] = negmask[0];
memcpy(&s_flt.positive[3], &negmask[1], len - 1);
lt_info("%s #%d: len too long: %d, DMX_FILTER_SIZE %d\n", __func__, num, len, DMX_FILTER_SIZE);
length = DMX_FILTER_SIZE;
}
s_flt.pid = pid;
s_flt.timeout = timeout;
memcpy(s_flt.filter.filter, filter, len);
memcpy(s_flt.filter.mask, mask, len);
if (negmask != NULL)
memcpy(s_flt.filter.mode, negmask, len);
s_flt.flags = XPDF_IMMEDIATE_START;
s_flt.flags = DMX_IMMEDIATE_START|DMX_CHECK_CRC;
int to = 0;
switch (filter[0]) {
@@ -398,16 +339,16 @@ bool cDemux::sectionFilter(unsigned short pid, const unsigned char * const filte
/* 0x50 - 0x5F: event_information_section - actual_transport_stream, schedule */
/* 0x60 - 0x6F: event_information_section - other_transport_stream, schedule */
case 0x70: /* time_date_section */
s_flt.flags |= (XPDF_NO_CRC); /* section has no CRC */
s_flt.flags &= ~DMX_CHECK_CRC; /* section has no CRC */
//s_flt.pid = 0x0014;
to = 30000;
break;
case 0x71: /* running_status_section */
s_flt.flags |= (XPDF_NO_CRC); /* section has no CRC */
s_flt.flags &= ~DMX_CHECK_CRC; /* section has no CRC */
to = 0;
break;
case 0x72: /* stuffing_section */
s_flt.flags |= (XPDF_NO_CRC); /* section has no CRC */
s_flt.flags &= ~DMX_CHECK_CRC; /* section has no CRC */
to = 0;
break;
case 0x73: /* time_offset_section */
@@ -416,7 +357,7 @@ bool cDemux::sectionFilter(unsigned short pid, const unsigned char * const filte
break;
/* 0x74 - 0x7D: reserved for future use */
case 0x7E: /* discontinuity_information_section */
s_flt.flags |= (XPDF_NO_CRC); /* section has no CRC */
s_flt.flags &= ~DMX_CHECK_CRC; /* section has no CRC */
to = 0;
break;
case 0x7F: /* selection_information_section */
@@ -432,15 +373,15 @@ bool cDemux::sectionFilter(unsigned short pid, const unsigned char * const filte
if (timeout == 0)
s_flt.timeout = to;
lt_debug("%s #%d pid:0x%04hx fd:%d type:%s len:%d/%d to:%d flags:%x flt[0]:%02x\n", __func__, num,
pid, fd, DMX_T[dmx_type], len,s_flt.filter_length, s_flt.timeout,s_flt.flags, s_flt.filter[0]);
lt_debug("%s #%d pid:0x%04hx fd:%d type:%s len:%d to:%d flags:%x flt[0]:%02x\n", __func__, num,
pid, fd, DMX_T[dmx_type], len, s_flt.timeout,s_flt.flags, s_flt.filter.filter[0]);
#if 0
fprintf(stderr,"filt: ");for(int i=0;i<FILTER_LENGTH;i++)fprintf(stderr,"%02hhx ",s_flt.filter[i]);fprintf(stderr,"\n");
fprintf(stderr,"mask: ");for(int i=0;i<FILTER_LENGTH;i++)fprintf(stderr,"%02hhx ",s_flt.mask [i]);fprintf(stderr,"\n");
fprintf(stderr,"posi: ");for(int i=0;i<FILTER_LENGTH;i++)fprintf(stderr,"%02hhx ",s_flt.positive[i]);fprintf(stderr,"\n");
#endif
ioctl (fd, DEMUX_STOP);
if (ioctl(fd, DEMUX_FILTER_SET, &s_flt) < 0)
ioctl (fd, DMX_STOP);
if (ioctl(fd, DMX_SET_FILTER, &s_flt) < 0)
return false;
return true;
@@ -455,46 +396,35 @@ bool cDemux::pesFilter(const unsigned short pid)
lt_debug("%s #%d pid: 0x%04hx fd: %d type: %s\n", __FUNCTION__, num, pid, fd, DMX_T[dmx_type]);
if (dmx_type == DMX_TP_CHANNEL && !measure)
{
unsigned int n = pesfds.size();
addPid(pid);
return (n != pesfds.size());
}
memset(&p_flt, 0, sizeof(p_flt));
p_flt.pid = pid;
p_flt.output = OUT_DECODER;
p_flt.output = DMX_OUT_DECODER;
p_flt.input = DMX_IN_FRONTEND;
p_flt.flags = DMX_IMMEDIATE_START;
switch (dmx_type) {
case DMX_PCR_ONLY_CHANNEL:
p_flt.pesType = DMX_PES_PCR;
p_flt.pes_type = DMX_PES_PCR;
break;
case DMX_AUDIO_CHANNEL:
p_flt.pesType = DMX_PES_AUDIO;
p_flt.pes_type = DMX_PES_AUDIO;
break;
case DMX_VIDEO_CHANNEL:
p_flt.pesType = DMX_PES_VIDEO;
p_flt.pes_type = DMX_PES_VIDEO;
break;
case DMX_PES_CHANNEL:
p_flt.unloader.unloader_type = UNLOADER_TYPE_PAYLOAD;
if (buffersize <= 0x10000) // dvbsubtitle, instant delivery...
p_flt.unloader.threshold = 1;
else
p_flt.unloader.threshold = 8; // 1k, teletext
p_flt.pesType = DMX_PES_OTHER;
p_flt.output = OUT_MEMORY;
p_flt.pes_type = DMX_PES_OTHER;
p_flt.output = DMX_OUT_TAP;
break;
case DMX_TP_CHANNEL:
/* must be measure == true or we would have returned above */
p_flt.output = OUT_MEMORY;
p_flt.pesType = DMX_PES_OTHER;
p_flt.unloader.threshold = 1;
p_flt.unloader.unloader_type = UNLOADER_TYPE_MEASURE_DUMMY;
ioctl(fd, DEMUX_SET_MEASURE_TIME, 250000);
p_flt.pes_type = DMX_PES_OTHER;
p_flt.output = DMX_OUT_TS_TAP;
break;
default:
p_flt.pesType = DMX_PES_OTHER;
lt_info("%s:%d invalid dmx_type %d!\n", dmx_type);
return false;
}
return (ioctl(fd, DEMUX_FILTER_PES_SET, &p_flt) >= 0);
return (ioctl(fd, DMX_SET_PES_FILTER, &p_flt) >= 0);
}
void cDemux::SetSyncMode(AVSYNC_TYPE /*mode*/)
@@ -518,17 +448,12 @@ bool cDemux::addPid(unsigned short Pid)
{
pes_pids pfd;
int ret;
struct demux_pes_para p;
struct dmx_pes_filter_params p;
if (dmx_type != DMX_TP_CHANNEL)
{
lt_info("%s pes_type %s not implemented yet! pid=%hx\n", __FUNCTION__, DMX_T[dmx_type], Pid);
return false;
}
if (measure)
{
lt_info("%s measurement demux -> skipping\n", __func__);
return true;
}
if (fd == -1)
lt_info("%s bucketfd not yet opened? pid=%hx\n", __FUNCTION__, Pid);
pfd.fd = open(devname[num], O_RDWR);
@@ -541,19 +466,17 @@ bool cDemux::addPid(unsigned short Pid)
lt_debug("%s #%d Pid = %hx pfd = %d\n", __FUNCTION__, num, Pid, pfd.fd);
p.pid = Pid;
p.pesType = DMX_PES_OTHER;
p.output = OUT_NOTHING;
p.flags = 0;
p.unloader.unloader_type = UNLOADER_TYPE_BUCKET;
p.unloader.threshold = 128;
p.input = DMX_IN_FRONTEND;
p.pes_type = DMX_PES_OTHER;
p.output = DMX_OUT_TS_TAP;
p.flags = 0;
ioctl(pfd.fd, DEMUX_SELECT_SOURCE, INPUT_FROM_CHANNEL0);
ret = ioctl(pfd.fd, DEMUX_SET_BUFFER_SIZE, 0x10000); // 64k
ret = ioctl(pfd.fd, DMX_SET_BUFFER_SIZE, 0x10000); // 64k
if (ret == -1)
perror("DEMUX_SET_BUFFER_SIZE");
perror("DMX_SET_BUFFER_SIZE");
else
{
ret = ioctl(pfd.fd, DEMUX_FILTER_PES_SET, &p);
ret = ioctl(pfd.fd, DMX_SET_PES_FILTER, &p);
if (ret == -1)
perror("DEMUX_FILTER_PES_SET");
}
@@ -578,8 +501,8 @@ void cDemux::removePid(unsigned short Pid)
{
if ((*i).pid == Pid) {
lt_debug("removePid: removing demux fd %d pid 0x%04x\n", (*i).fd, Pid);
if (ioctl((*i).fd, DEMUX_STOP) < 0)
perror("DEMUX_STOP");
if (ioctl((*i).fd, DMX_STOP) < 0)
perror("DMX_STOP");
if (close((*i).fd) < 0)
perror("close");
pesfds.erase(i);
@@ -592,12 +515,13 @@ void cDemux::removePid(unsigned short Pid)
void cDemux::getSTC(int64_t * STC)
{
lt_debug("%s #%d\n", __FUNCTION__, num);
/* this is a guess, but seems to work... int32_t gives errno 515... */
#define STC_TYPE uint64_t
STC_TYPE stc;
if (ioctl(fd, DEMUX_GET_CURRENT_STC, &stc))
perror("cDemux::getSTC DEMUX_GET_CURRENT_STC");
*STC = (stc >> 32);
struct dmx_stc stc;
memset(&stc, 0, sizeof(dmx_stc));
stc.num = 0;
stc.base = 1;
if (ioctl(fd, DMX_GET_STC, &stc))
perror("cDemux::getSTC DMX_GET_STC");
*STC = (int64_t)stc.stc;
}
int cDemux::getUnit(void)