[FFmpeg-devel] [PATCH v5 2/5] lavc/avs3: add AVS3 related definitions

Andreas Rheinhardt andreas.rheinhardt at gmail.com
Wed Aug 19 16:15:32 EEST 2020


hwrenx at 126.com:
> From: hwren <hwrenx at 126.com>
> 
> Signed-off-by: hwren <hwrenx at 126.com>
> ---
>  libavcodec/Makefile |  2 +
>  libavcodec/avs3.c   | 95 +++++++++++++++++++++++++++++++++++++++++++++
>  libavcodec/avs3.h   | 52 +++++++++++++++++++++++++
>  3 files changed, 149 insertions(+)
>  create mode 100644 libavcodec/avs3.c
>  create mode 100644 libavcodec/avs3.h
> 
> diff --git a/libavcodec/Makefile b/libavcodec/Makefile
> index 3431ba2dca..e1e0c4629d 100644
> --- a/libavcodec/Makefile
> +++ b/libavcodec/Makefile
> @@ -6,6 +6,7 @@ HEADERS = ac3_parser.h                                                  \
>            avcodec.h                                                     \
>            avdct.h                                                       \
>            avfft.h                                                       \
> +          avs3.h                                                        \
>            bsf.h                                                         \
>            codec.h                                                       \
>            codec_desc.h                                                  \
> @@ -32,6 +33,7 @@ OBJS = ac3_parser.o                                                     \
>         avdct.o                                                          \
>         avpacket.o                                                       \
>         avpicture.o                                                      \
> +       avs3.o                                                           \
>         bitstream.o                                                      \
>         bitstream_filter.o                                               \
>         bitstream_filters.o                                              \
> diff --git a/libavcodec/avs3.c b/libavcodec/avs3.c
> new file mode 100644
> index 0000000000..8587e36def
> --- /dev/null
> +++ b/libavcodec/avs3.c
> @@ -0,0 +1,95 @@
> +/*
> + * AVS3 related definition
> + *
> + * Copyright (C) 2020 Huiwen Ren, <hwrenx at gmail.com>
> + *
> + * 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 "avs3.h"
> +
> +const AVRational ff_avs3_frame_rate_tab[16] = {
> +    { 0    , 0   }, // forbid
> +    { 24000, 1001},
> +    { 24   , 1   },
> +    { 25   , 1   },
> +    { 30000, 1001},
> +    { 30   , 1   },
> +    { 50   , 1   },
> +    { 60000, 1001},
> +    { 60   , 1   },
> +    { 100  , 1   },
> +    { 120  , 1   },
> +    { 200  , 1   },
> +    { 240  , 1   },
> +    { 300  , 1   },
> +    { 0    , 0   }, // reserved
> +    { 0    , 0   }  // reserved
> +};
> +
> +const int ff_avs3_color_primaries_tab[10] = {
> +    AVCOL_PRI_RESERVED0   ,    // 0
> +    AVCOL_PRI_BT709       ,    // 1
> +    AVCOL_PRI_UNSPECIFIED ,    // 2
> +    AVCOL_PRI_RESERVED    ,    // 3
> +    AVCOL_PRI_BT470M      ,    // 4
> +    AVCOL_PRI_BT470BG     ,    // 5
> +    AVCOL_PRI_SMPTE170M   ,    // 6
> +    AVCOL_PRI_SMPTE240M   ,    // 7
> +    AVCOL_PRI_FILM        ,    // 8
> +    AVCOL_PRI_BT2020           // 9
> +};
> +
> +const enum AVPictureType ff_avs3_image_type[4] = {
> +    AV_PICTURE_TYPE_NONE,
> +    AV_PICTURE_TYPE_I,
> +    AV_PICTURE_TYPE_P,
> +    AV_PICTURE_TYPE_B
> +};

These two coincide with the values of the constants, so they could be
removed.

> \ No newline at end of file

This should be fixed.

- Andreas


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