[FFmpeg-devel] [GSoC] BDA (DTV) Capture / tuning -- work-in-progress

[Michael Niedermayer]

On Fri, Aug 21, 2015 at 01:41:13PM -0600, Roger Pack wrote:
> On 8/21/15, Máté Sebők <smfinc.org at gmail.com> wrote:
> > Hi,
> >
> > Due to various problems, it's only got this far:
> > - can list DTV Tuners and Receiver Components (in a bit akward way)
> > - ATSC / DVB-T /-S /-C can be selected
> > - DTV channels can be tuned in only to frequency
> > - only video can be recorded/recoded
> > - only mpeg2/NTSC ( ATSC ) works now... others just hangs or crash due to
> > video format differences between graph connection time and running the
> > graph
> > - there is an optional graph (grf) export
> >
> > The mingw64 has broken signatures for a lot of BDA / DVB components, that
> > needs to be replaced with the attached tuner.h.
> 
> I can confirm I get working ATSC video capture (with a selectable
> channel via frequency) using Máté's patches, and it does patch
> successfully against git master. (If I rename the pins from "003" to
> "3" and "001" to "1" that is).
> There are a few minor issues that we will try and address before
> commiting it, I think, like submitting changes upstream to mingw-w64,
> making sure license is OK, adding options for subchannel for ATSC,
> etc.  Probably offline.

fails to build with mingw due to missing header

In file included from ffmpeg/libavdevice/dshow.c:33:0:
ffmpeg/libavdevice/bdadefs.h:8:24: fatal error: combaseapi.h: No such file or directory
compilation terminated.
make: *** [libavdevice/dshow.o] Error 1

maybe a header check is needed in configure

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

There will always be a question for which you do not know the correct answer.
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