[mythtv-users] Firewire channel changer for SA3250HD in Mythbuntu?

[Matt Emmott]

I finally pulled the trigger, formatting my FC8 box and loading Mythbuntu
7.10 on it. I used Synaptic to update to .21 and had a fully set up Myth
FE/BE combo in under an hour. The issue that I'm running into involves the F
word I've had so much trouble with in the past - Firewire.

On the plus side, setting up Firewire and my SA3250 STB worked like a charm.
Viewing HD over Firewire (on the couple non-encrypted channels I tried
anyways) looks great. My problem, however, is when I try to change the
channel. It doesn't work. As it did in Fedora 8, trying to tune to anything
in Myth results in my cable box tuning to 133, then 688, then stopping at
48.

It seems that firewire on Myth, especially Ubuntu, is in a remarkable state
of flux. Virtually everything I found was either specific to 0.20 or geared
towards it. I attempted to compile the sa3250ch channel changer script in
/contrib/channel-changers and ended up with the following:

------------------------
matt at magic:/usr/share/doc/mythtv-backend/contrib/channel_changers$ sudo cc
-o sa3250ch sa3250ch.c -lrom1394 -lavc1394 -lraw1394
sa3250ch.c:24:32: error: libavc1394/rom1394.h: No such file or directory
sa3250ch.c:25:32: error: libavc1394/avc1394.h: No such file or directory
sa3250ch.c:26:32: error: libraw1394/raw1394.h: No such file or directory
sa3250ch.c:27:23: error: sys/types.h: No such file or directory
sa3250ch.c:28:19: error: stdio.h: No such file or directory
sa3250ch.c:29:19: error: errno.h: No such file or directory
sa3250ch.c:30:20: error: stdlib.h: No such file or directory
sa3250ch.c:31:20: error: string.h: No such file or directory
sa3250ch.c: In function âusageâ:
sa3250ch.c:59: warning: incompatible implicit declaration of built-in
function âfprintfâ
sa3250ch.c:59: error: âstderrâ undeclared (first use in this function)
sa3250ch.c:59: error: (Each undeclared identifier is reported only once
sa3250ch.c:59: error: for each function it appears in.)
sa3250ch.c:63: warning: incompatible implicit declaration of built-in
function âexitâ
sa3250ch.c: In function âmainâ:
sa3250ch.c:68: error: ârom1394_directoryâ undeclared (first use in this
function)
sa3250ch.c:68: error: expected â;â before âdirâ
sa3250ch.c:73: error: âquadlet_tâ undeclared (first use in this function)
sa3250ch.c:73: error: expected â;â before âcmdâ
sa3250ch.c:81: warning: incompatible implicit declaration of built-in
function âstrlenâ
sa3250ch.c:90: warning: incompatible implicit declaration of built-in
function âfprintfâ
sa3250ch.c:90: error: âstderrâ undeclared (first use in this function)
sa3250ch.c:101: error: âraw1394handle_tâ undeclared (first use in this
function)
sa3250ch.c:101: error: expected â;â before âhandleâ
sa3250ch.c:104: error: âhandleâ undeclared (first use in this function)
sa3250ch.c:105: error: âerrnoâ undeclared (first use in this function)
sa3250ch.c:106: warning: incompatible implicit declaration of built-in
function âfprintfâ
sa3250ch.c:109: warning: incompatible implicit declaration of built-in
function âfprintfâ
sa3250ch.c:111: warning: incompatible implicit declaration of built-in
function âexitâ
sa3250ch.c:117: warning: incompatible implicit declaration of built-in
function âexitâ
sa3250ch.c:122: error: âdirâ undeclared (first use in this function)
sa3250ch.c:123: warning: incompatible implicit declaration of built-in
function âfprintfâ
sa3250ch.c:125: warning: incompatible implicit declaration of built-in
function âexitâ
sa3250ch.c:129: warning: incompatible implicit declaration of built-in
function âprintfâ
sa3250ch.c:146: warning: incompatible implicit declaration of built-in
function âfprintfâ
sa3250ch.c:159: warning: incompatible implicit declaration of built-in
function âfprintfâ
sa3250ch.c:163: warning: incompatible implicit declaration of built-in
function âexitâ
sa3250ch.c:169: warning: incompatible implicit declaration of built-in
function âprintfâ
sa3250ch.c:171: error: âcmdâ undeclared (first use in this function)
sa3250ch.c:171: error: âAVC1394_CTYPE_CONTROLâ undeclared (first use in this
function)
sa3250ch.c:171: error: âAVC1394_SUBUNIT_TYPE_PANELâ undeclared (first use in
this function)
sa3250ch.c:171: error: âAVC1394_SUBUNIT_ID_0â undeclared (first use in this
function)
sa3250ch.c:190: warning: incompatible implicit declaration of built-in
function âprintfâ
sa3250ch.c:207: warning: incompatible implicit declaration of built-in
function âexitâ
----------------------------------------

Should I try getting this script to compile, or is there a better solution
in Mythbuntu? Like I said, viewing HD right now isn't the problem, it's the
changing of the channels. I look forward to any suggestions, I'm excited to
be this close to a working system after trying for so long!
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