[Ffmpeg-devel] [PATCH] updated LGPL AC-3 decoder

[Diego Biurrun]

On Sat, Feb 24, 2007 at 03:11:17AM -0500, Justin Ruggles wrote:
> 
> Here is a much-modified patch of the AC-3 decoder.  I basically rewrote
> about half the code.  The 5.1 channel decoding still needs speeding-up,
> but everything is working properly now.

:)

> --- libavcodec/ac3dec.c	(revision 0)
> +++ libavcodec/ac3dec.c	(revision 0)
> @@ -0,0 +1,1245 @@
> +/*
> + * Copyright (c) 2006 Kartikey Mahendra BHATT (bhattkm at gmail dot com).
> + * Copyright (c) 2007 Justin Ruggles.

My anal self wouldn't put a period at the end of these lines ..

> --- libavcodec/Makefile	(revision 8113)
> +++ libavcodec/Makefile	(working copy)
> @@ -248,7 +248,11 @@
>  OBJS-$(CONFIG_ADPCM_YAMAHA_ENCODER)    += adpcm.o
>  
>  # external codec libraries
> +ifeq (($CONFIG_LIBA52),yes)
>  OBJS-$(CONFIG_LIBA52)                  += a52dec.o
> +else
> +OBJS-$(CONFIG_AC3_DECODER)             += ac3dec.o ac3.o
> +endif

Just add CONFIG_AC3_DECODER along with the others.  We don't do these
checks for libvorbis and similar.

Diego