[FFmpeg-devel] [PATCH] aea demuxer
Michael Niedermayer
michaelni
Mon Jun 8 23:58:53 CEST 2009
On Mon, Jun 08, 2009 at 09:32:43PM +0200, Benjamin Larsson wrote:
> Simple demuxer for a simple format. Header parsing will be added when I
> get the specification. For now it will only be able to decode stereo
> streams.
>
> MvH
> Benjamin Larsson
> Makefile | 1
> aea.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> allformats.c | 1
> 3 files changed, 91 insertions(+)
> c331cf1a63bfa21d8ed7ba6cea5d474a12ed48d2 aea_demuxer.diff
> Index: libavformat/Makefile
> ===================================================================
> --- libavformat/Makefile (revision 18866)
> +++ libavformat/Makefile (working copy)
> @@ -12,6 +12,7 @@
> OBJS-$(CONFIG_AC3_DEMUXER) += raw.o
> OBJS-$(CONFIG_AC3_MUXER) += raw.o
> OBJS-$(CONFIG_ADTS_MUXER) += adtsenc.o
> +OBJS-$(CONFIG_AEA_DEMUXER) += aea.o
> OBJS-$(CONFIG_AIFF_DEMUXER) += aiff.o riff.o raw.o
> OBJS-$(CONFIG_AIFF_MUXER) += aiff.o riff.o
> OBJS-$(CONFIG_AMR_DEMUXER) += amr.o
> Index: libavformat/allformats.c
> ===================================================================
> --- libavformat/allformats.c (revision 18866)
> +++ libavformat/allformats.c (working copy)
> @@ -50,6 +50,7 @@
> REGISTER_DEMUXER (AAC, aac);
> REGISTER_MUXDEMUX (AC3, ac3);
> REGISTER_MUXER (ADTS, adts);
> + REGISTER_DEMUXER (AEA, aea);
> REGISTER_MUXDEMUX (AIFF, aiff);
> REGISTER_MUXDEMUX (AMR, amr);
> REGISTER_DEMUXER (APC, apc);
> Index: libavformat/aea.c
> ===================================================================
> --- libavformat/aea.c (revision 0)
> +++ libavformat/aea.c (revision 0)
> @@ -0,0 +1,89 @@
> +/*
> + * MD STUDIO audio demuxer
> + *
> + * Copyright (c) 2009 Benjamin Larsson
> + *
> + * This file is part of FFmpeg.
> + *
> + * FFmpeg is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * FFmpeg is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with FFmpeg; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
> + */
> +
> +/**
> + * @file libavformat/aea.c
> + */
> +
> +#include "avformat.h"
> +#include "raw.h"
> +
> +#define AT1_SU_SIZE 212
> +
> +static int aea_read_probe(AVProbeData *p)
you dont need the aea prefixes
> +{
> + /* Magic is '00 08 00 00' */
> + if(*(p->buf) != 0 || *(p->buf+1) != 8 || *(p->buf+2) != 0 || *(p->buf+3) != 0)
> + return 0;
AV_RB32() != ...
and testing more is a good idea if possible
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The educated differ from the uneducated as much as the living from the
dead. -- Aristotle
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