OpenWrt Forum Archive

Topic: DVB-T usb streaming with BackFire 10.03 and tp-link 1043 with af9015

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Post #1
ltrifonov
8 Jan 2011, 12:44

Hi,

I have prepared custom packages for af9015 usb tunner
this tuner is very popular because of it's price (~ USD 7$ ) on china online stores, ebay and others
example of tuner and it's price: http://www.buyincoins.com/digital-tv-hd … ct-70.html

With these packages, I am able to stream DVB-T channels, 5 channels eating 6 % CPU when nobody is watching, and on each connection it takes ~ 10% CPU with mumudvb

packages are for 10.03 branch
kernel 2.6.32.10
tp-link 1043

This kernel doesn't support TDA18218 NXP chip inside USB Sttick
support is present in 2.6.36 kernel, so i have to patch toolchain sources of 2.6.32.10 kernel



patch is from here: https://patchwork.kernel.org/patch/82494/

packages are here: https://docs.google.com/leaf?id=0B8oQFO … &hl=en

Post #2
meta96
13 Jan 2011, 19:02

... what's about tvheadend? Could you ve a look, if this is also possible (sometimes in the future, would be awesome ...) .. thanks!

Post #3
ltrifonov
14 Jan 2011, 14:54
meta96 wrote:

... what's about tvheadend? Could you ve a look, if this is also possible (sometimes in the future, would be awesome ...) .. thanks!

actually, I have been uploaded in my repository mumudvb module for streaming smile
more info you can find here: http://mumudvb.braice.net/mumudrupal/node/36

everything is there for streaming, it works very nice,
I just compiled dvb-usb-af9015 module with TDA18218 chip


after installing module, you may have to load modules after reboot. So make file:
/etc/modules.d/91-dbv-af9015:

dvb-core
dvb-usb force_pid_filter_usage=1
dvb-pll
mxl5005s
tda18271
qt1010
mt2060
af9013
mc44s803
tda18218
dvb-usb-af9015

(Last edited by ltrifonov on 14 Jan 2011, 14:55)

Post #4
ltrifonov
7 Apr 2011, 13:37
meta96 wrote:

... what's about tvheadend? Could you ve a look, if this is also possible (sometimes in the future, would be awesome ...) .. thanks!

you win smile
i managed to compile tvheadend for openwrt,

I still need little help from coders, but it seem to work smile

compiled tvheadend package is here:
    https://docs.google.com/leaf?id=0B8oQFO … &hl=en

i hope following forum  will help with small issues i have with compiling
   https://www.lonelycoder.com/redmine/boards/5/topics/361

(Last edited by ltrifonov on 7 Apr 2011, 13:38)

Post #6
ltrifonov
7 Apr 2011, 16:00
jow wrote:
ltrifonov wrote:

I still need little help from coders, but it seem to work smile

http://lists.uclibc.org/pipermail/uclib … 43660.html

Seems we must patch uClibc to provide clock_nanosleep(). Its actually only a wrapper for a Linux syscall.

I tried to include patch directly into my code, but it doesn't work...
i am not so good in coding...

is it possible? instead patching librt, just add this into my code?

i added this in  file rawtsinput.c which uses this nanosleep function

#include <errno.h>
#include <stdlib.h>
#include <time.h>
#include <sys/syscall.h>

#include "kernel-posix-timers.h"

#ifdef __NR_clock_nanosleep

#define __NR___syscall_clock_nanosleep __NR_clock_nanosleep


static __inline__ _syscall4(long, __syscall_clock_nanosleep,
                           clockid_t, clock_id, int, flags,
                           const struct timespec *, req,
                           struct timespec *, rem);



long clock_nanosleep(clockid_t clock_id, int flags,
                   const struct timespec *req,
                   struct timespec *rem)
{
       return __syscall_clock_nanosleep(clock_id, flags, req, rem);
}

#endif

but result is:

Entering directory `/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6'
mips-openwrt-linux-uclibc-gcc -MD -g -funsigned-char -O2  -D_FILE_OFFSET_BITS=64 -Ibuild.Linux -I/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src -I/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6 -DHTS_VERSION=\"2.12.99\" -Os -pipe -mips32r2 -mtune=mips32r2 -funit-at-a-time -fhonour-copts -msoft-float -I/usr/src/openwrt/backfire/staging_dir/target-mips_r2_uClibc-0.9.30.1/usr/lib/libiconv-stub/include -I/usr/src/openwrt/backfire/staging_dir/target-mips_r2_uClibc-0.9.30.1/usr/lib/libintl-stub/include  -I/usr/src/openwrt/backfire/staging_dir/target-mips_r2_uClibc-0.9.30.1/usr/include -I/usr/src/openwrt/backfire/staging_dir/target-mips_r2_uClibc-0.9.30.1/include -I/usr/src/openwrt/backfire/staging_dir/toolchain-mips_r2_gcc-4.3.3+cs_uClibc-0.9.30.1/usr/include -I/usr/src/openwrt/backfire/staging_dir/toolchain-mips_r2_gcc-4.3.3+cs_uClibc-0.9.30.1/include -I/usr/src/openwrt/backfire/staging_dir/target-mips_r2_uClibc-0.9.30.1/usr/lib/libiconv-stub/include -I/usr/src/openwrt/backfire/staging_dir/target-mips_r2_uClibc-0.9.30.1/usr/lib/libintl-stub/include -std=gnu99 -Wall -Werror -Wwrite-strings -Wno-deprecated-declarations -I/usr/src/openwrt/backfire/staging_dir/host/include/ -Wmissing-prototypes -I/usr/src/openwrt/backfire/staging_dir/target-mips_r2_uClibc-0.9.30.1/usr//include -c -o build.Linux/src/rawtsinput.o /usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c:51: error: expected declaration specifiers or '...' before '__syscall_clock_nanosleep'
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c:52: error: expected declaration specifiers or '...' before 'clock_id'
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c:52: error: expected declaration specifiers or '...' before 'flags'
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c:53: error: expected declaration specifiers or '...' before 'req'
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c:54: error: expected declaration specifiers or '...' before 'rem'
cc1: warnings being treated as errors
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c:54: error: type defaults to 'int' in declaration of '_syscall4'
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c:58: error: no previous prototype for 'clock_nanosleep'
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c: In function 'clock_nanosleep':
/usr/src/openwrt/backfire/build_dir/target-mips_r2_uClibc-0.9.30.1/andoma-tvheadend-d2101f6/src/rawtsinput.c:62: error: implicit declaration of function '__syscall_clock_nanosleep'
make[3]: *** [build.Linux/src/rawtsinput.o] Error 1

late this evening i will try patching librt

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