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

[Andrew Lyon]

On 2/9/07, Alan Nisota <alannisota at gmail.com> wrote:
> 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.
>

Hi Alan,

Managed to get it to compile again, I am getting close to knowing what
the problem is with that, but anyway 1) hang is fixed, but 2) bad
colours remains.

But with my cpu overclocked to 3.0ghz (from 2.4) it plays back in
realtime without 100% cpu usage :)

Awesome.

Andy