[FFmpeg-devel] [PATCH 4/9] sbc: add raw demuxer for SBC

[Rostislav Pehlivanov]

On 21 February 2018 at 22:37, Aurelien Jacobs <aurel at gnuage.org> wrote:

> ---
>  doc/general.texi         |  1 +
>  libavformat/Makefile     |  1 +
>  libavformat/allformats.c |  1 +
>  libavformat/sbcdec.c     | 33 +++++++++++++++++++++++++++++++++
>  4 files changed, 36 insertions(+)
>  create mode 100644 libavformat/sbcdec.c
>
> diff --git a/doc/general.texi b/doc/general.texi
> index 1b009a4b89..930c1e8bf2 100644
> --- a/doc/general.texi
> +++ b/doc/general.texi
> @@ -479,6 +479,7 @@ library:
>  @item raw NULL                  @tab X @tab
>  @item raw video                 @tab X @tab X
>  @item raw id RoQ                @tab X @tab
> + at item raw SBC                   @tab   @tab X
>  @item raw Shorten               @tab   @tab X
>  @item raw TAK                   @tab   @tab X
>  @item raw TrueHD                @tab X @tab X
> diff --git a/libavformat/Makefile b/libavformat/Makefile
> index 7ac1ba95ad..1efa3a54f8 100644
> --- a/libavformat/Makefile
> +++ b/libavformat/Makefile
> @@ -448,6 +448,7 @@ OBJS-$(CONFIG_S337M_DEMUXER)             += s337m.o
> spdif.o
>  OBJS-$(CONFIG_SAMI_DEMUXER)              += samidec.o subtitles.o
>  OBJS-$(CONFIG_SAP_DEMUXER)               += sapdec.o
>  OBJS-$(CONFIG_SAP_MUXER)                 += sapenc.o
> +OBJS-$(CONFIG_SBC_DEMUXER)               += sbcdec.o rawdec.o
>  OBJS-$(CONFIG_SBG_DEMUXER)               += sbgdec.o
>  OBJS-$(CONFIG_SCC_DEMUXER)               += sccdec.o subtitles.o
>  OBJS-$(CONFIG_SCC_MUXER)                 += sccenc.o subtitles.o
> diff --git a/libavformat/allformats.c b/libavformat/allformats.c
> index e75cd917e4..04164607ce 100644
> --- a/libavformat/allformats.c
> +++ b/libavformat/allformats.c
> @@ -350,6 +350,7 @@ extern AVInputFormat  ff_s337m_demuxer;
>  extern AVInputFormat  ff_sami_demuxer;
>  extern AVInputFormat  ff_sap_demuxer;
>  extern AVOutputFormat ff_sap_muxer;
> +extern AVInputFormat  ff_sbc_demuxer;
>  extern AVInputFormat  ff_sbg_demuxer;
>  extern AVInputFormat  ff_scc_demuxer;
>  extern AVOutputFormat ff_scc_muxer;
> diff --git a/libavformat/sbcdec.c b/libavformat/sbcdec.c
> new file mode 100644
> index 0000000000..ae74a220dc
> --- /dev/null
> +++ b/libavformat/sbcdec.c
> @@ -0,0 +1,33 @@
> +/*
> + * RAW SBC demuxer
> + * Copyright (C) 2017  Aurelien Jacobs <aurel at gnuage.org>
> + *
> + * 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
> + */
> +
> +#include "avformat.h"
> +#include "rawdec.h"
> +
> +AVInputFormat ff_sbc_demuxer = {
> +    .name           = "sbc",
> +    .long_name      = NULL_IF_CONFIG_SMALL("raw SBC (low-complexity
> subband codec)"),
> +    .extensions     = "sbc,msbc",
> +    .raw_codec_id   = AV_CODEC_ID_SBC,
> +    .read_header    = ff_raw_audio_read_header,
> +    .read_packet    = ff_raw_read_partial_packet,
> +    .flags          = AVFMT_GENERIC_INDEX,
> +};
> --
> 2.16.1
>
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>

Looks good, to me at least