[FFmpeg-devel] [PATCH]lavc/cdg: Add transparency

Michael Niedermayer michael at niedermayer.cc
Tue Oct 27 23:48:56 CET 2015

On Mon, Oct 26, 2015 at 11:32:37AM +0100, Carl Eugen Hoyos wrote:
> Hi!
> Attached patch implements transparency for cdg files, reproducible with 
> our fate sample.
> Please comment, Carl Eugen

>  libavcodec/cdgraphics.c   |    8 
>  tests/fate/video.mak      |    2 
>  tests/ref/fate/cdgraphics |  424 +++++++++++++++++++++++-----------------------
>  3 files changed, 221 insertions(+), 213 deletions(-)
> 9fa337493570d8959950086ee18162e64bb91349  patchcdg.diff
> diff --git a/libavcodec/cdgraphics.c b/libavcodec/cdgraphics.c

i can confirm that the outputted alpha looks correct after the patch


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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