[mythtv] Updated patch for directshow filters with MythTV (for CoreAVC)

[Alan Nisota]

Andrew Lyon wrote:
> Alan,
>
> Not sure what was happening last night but I've got it working now,
> although I cannot get libdshowloader to compile as part of myth, I
> have to cd dshowloader , make.
>
> If course the colours are still wacked, were the samples of any use to
> you? do you need any more?
So the 1.1 patch has 2 issues that are trivial to fix:
1) Hanging when trying to exit:
Index: libs/libdshowloader/win32.c
===================================================================
--- libs/libdshowloader/win32.c.orig    2007-02-08 19:46:14.000000000 -0800
+++ libs/libdshowloader/win32.c 2007-02-08 19:35:10.000000000 -0800
@@ -1961,7 +1961,7 @@
 
     pthread_mutex_lock(ml->pm);
     if (prev_count != 0) *prev_count = ml->semaphore;
-    if (ml->semaphore == 0) pthread_cond_signal(ml->pc);
+    if (ml->semaphore == 0) pthread_cond_broadcast(ml->pc);
     ml->semaphore += increment;
     pthread_mutex_unlock(ml->pm);
     dbgprintf("ReleaseSemaphore(semaphore 0x%x, increment %d, 
prev_count 0x%x) => 1\n",

2) Screwed up colors:
Index: libs/libdshowloader/dshow/DS_VideoDecoder.c
===================================================================
--- libs/libdshowloader/dshow/DS_VideoDecoder.c.orig    2007-02-08 
19:46:14.000000000 -0800
+++ libs/libdshowloader/dshow/DS_VideoDecoder.c 2007-02-08 
19:40:50.000000000 -0800
@@ -556,7 +556,6 @@
     int stoped = 0;  
    
     Debug printf("DS_VideoDecoder_SetDestFmt (%p, %d, 
%d)\n",this,bits,(int)csp);
-return 0;
        
        /* if (!CImage::Supported(csp, bits))
        return -1;

As for the make problem, I'm not really sure.  I'll need to dig into it 
some more.