[FFmpeg-devel] [PATCH 1/5] oma: move some constants into libavcodec

Rostislav Pehlivanov atomnuker at gmail.com
Sun Dec 24 14:52:55 EET 2017


On 24 December 2017 at 04:48, <misty at brew.sh> wrote:

> From: Misty De Meo <mistydemeo at gmail.com>
>
> Most of the constants in libavcodec/oma aren't specific to
> libavformat; moving them into libavcodec makes them available to
> libavcodec as well as keeping them compatible with libavformat.
>
> ff_oma_codec_tags uses a libavformat-specific type, so it has been
> left in libavformat.
> ---
>  libavformat/oma.c => libavcodec/oma.h | 27 +++++++++++++--------------
>  libavcodec/version.h                  |  2 +-
>  libavformat/Makefile                  |  4 ++--
>  libavformat/oma.h                     | 21 +++++++++------------
>  libavformat/omadec.c                  |  1 +
>  libavformat/omaenc.c                  |  1 +
>  libavformat/version.h                 |  2 +-
>  7 files changed, 28 insertions(+), 30 deletions(-)
>  rename libavformat/oma.c => libavcodec/oma.h (65%)
>
> diff --git a/libavformat/oma.c b/libavcodec/oma.h
> similarity index 65%
> rename from libavformat/oma.c
> rename to libavcodec/oma.h
> index f7ae3c9948..176f93ed22 100644
> --- a/libavformat/oma.c
> +++ b/libavcodec/oma.h
> @@ -18,25 +18,22 @@
>   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
> 02110-1301 USA
>   */
>
> +#ifndef AVCODEC_OMA_H
> +#define AVCODEC_OMA_H
> +
> +#include <stdint.h>
> +
>  #include "internal.h"
> -#include "oma.h"
> -#include "libavcodec/avcodec.h"
>  #include "libavutil/channel_layout.h"
>
> -const uint16_t ff_oma_srate_tab[8] = { 320, 441, 480, 882, 960, 0 };
> +#define EA3_HEADER_SIZE 96
> +#define ID3v2_EA3_MAGIC "ea3"
> +#define OMA_ENC_HEADER_SIZE 16
>
> -const AVCodecTag ff_oma_codec_tags[] = {
> -    { AV_CODEC_ID_ATRAC3,      OMA_CODECID_ATRAC3    },
> -    { AV_CODEC_ID_ATRAC3P,     OMA_CODECID_ATRAC3P   },
> -    { AV_CODEC_ID_MP3,         OMA_CODECID_MP3       },
> -    { AV_CODEC_ID_PCM_S16BE,   OMA_CODECID_LPCM      },
> -    { AV_CODEC_ID_ATRAC3PAL,   OMA_CODECID_ATRAC3PAL },
> -    { AV_CODEC_ID_ATRAC3AL,    OMA_CODECID_ATRAC3AL  },
> -    { 0 },
> -};
> +static const uint16_t ff_oma_srate_tab[8] = { 320, 441, 480, 882, 960, 0
> };
>
>  /** map ATRAC-X channel id to internal channel layout */
> -const uint64_t ff_oma_chid_to_native_layout[7] = {
> +static const uint64_t ff_oma_chid_to_native_layout[7] = {
>      AV_CH_LAYOUT_MONO,
>      AV_CH_LAYOUT_STEREO,
>      AV_CH_LAYOUT_SURROUND,
> @@ -47,4 +44,6 @@ const uint64_t ff_oma_chid_to_native_layout[7] = {
>  };
>
>  /** map ATRAC-X channel id to total number of channels */
> -const int ff_oma_chid_to_num_channels[7] = {1, 2, 3, 4, 6, 7, 8};
> +static const int ff_oma_chid_to_num_channels[7] = {1, 2, 3, 4, 6, 7, 8};
> +
> +#endif /* AVCODEC_OMA_H */
> diff --git a/libavcodec/version.h b/libavcodec/version.h
> index d55de89797..d48857578d 100644
> --- a/libavcodec/version.h
> +++ b/libavcodec/version.h
> @@ -29,7 +29,7 @@
>
>  #define LIBAVCODEC_VERSION_MAJOR  58
>  #define LIBAVCODEC_VERSION_MINOR   8
> -#define LIBAVCODEC_VERSION_MICRO 100
> +#define LIBAVCODEC_VERSION_MICRO 101
>
>  #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR,
> \
>                                                 LIBAVCODEC_VERSION_MINOR, \
> diff --git a/libavformat/Makefile b/libavformat/Makefile
> index cb70eac920..ef0365e6e2 100644
> --- a/libavformat/Makefile
> +++ b/libavformat/Makefile
> @@ -358,8 +358,8 @@ OBJS-$(CONFIG_OGG_MUXER)                 += oggenc.o \
>                                              vorbiscomment.o
>  OBJS-$(CONFIG_OGV_MUXER)                 += oggenc.o \
>                                              vorbiscomment.o
> -OBJS-$(CONFIG_OMA_DEMUXER)               += omadec.o pcm.o oma.o
> -OBJS-$(CONFIG_OMA_MUXER)                 += omaenc.o rawenc.o oma.o
> id3v2enc.o
> +OBJS-$(CONFIG_OMA_DEMUXER)               += omadec.o pcm.o
> +OBJS-$(CONFIG_OMA_MUXER)                 += omaenc.o rawenc.o id3v2enc.o
>  OBJS-$(CONFIG_OPUS_MUXER)                += oggenc.o \
>                                              vorbiscomment.o
>  OBJS-$(CONFIG_PAF_DEMUXER)               += paf.o
> diff --git a/libavformat/oma.h b/libavformat/oma.h
> index 36fd0125e4..ccd57d779e 100644
> --- a/libavformat/oma.h
> +++ b/libavformat/oma.h
> @@ -21,14 +21,8 @@
>  #ifndef AVFORMAT_OMA_H
>  #define AVFORMAT_OMA_H
>
> -#include <stdint.h>
> -
>  #include "internal.h"
>
> -#define EA3_HEADER_SIZE 96
> -#define ID3v2_EA3_MAGIC "ea3"
> -#define OMA_ENC_HEADER_SIZE 16
> -
>  enum {
>      OMA_CODECID_ATRAC3  = 0,
>      OMA_CODECID_ATRAC3P = 1,
> @@ -39,11 +33,14 @@ enum {
>      OMA_CODECID_ATRAC3AL  = 34,
>  };
>
> -extern const uint16_t ff_oma_srate_tab[8];
> -
> -extern const AVCodecTag ff_oma_codec_tags[];
> -
> -extern const uint64_t ff_oma_chid_to_native_layout[7];
> -extern const int ff_oma_chid_to_num_channels[7];
> +static const AVCodecTag ff_oma_codec_tags[] = {
> +    { AV_CODEC_ID_ATRAC3,      OMA_CODECID_ATRAC3    },
> +    { AV_CODEC_ID_ATRAC3P,     OMA_CODECID_ATRAC3P   },
> +    { AV_CODEC_ID_MP3,         OMA_CODECID_MP3       },
> +    { AV_CODEC_ID_PCM_S16BE,   OMA_CODECID_LPCM      },
> +    { AV_CODEC_ID_ATRAC3PAL,   OMA_CODECID_ATRAC3PAL },
> +    { AV_CODEC_ID_ATRAC3AL,    OMA_CODECID_ATRAC3AL  },
> +    { 0 },
> +};
>
>  #endif /* AVFORMAT_OMA_H */
> diff --git a/libavformat/omadec.c b/libavformat/omadec.c
> index 423d52b3aa..ccefd6c1bc 100644
> --- a/libavformat/omadec.c
> +++ b/libavformat/omadec.c
> @@ -48,6 +48,7 @@
>  #include "libavutil/intreadwrite.h"
>  #include "libavutil/des.h"
>  #include "libavutil/mathematics.h"
> +#include "libavcodec/oma.h"
>  #include "oma.h"
>  #include "pcm.h"
>  #include "id3v2.h"
> diff --git a/libavformat/omaenc.c b/libavformat/omaenc.c
> index 7952808bf8..6e72c3ee85 100644
> --- a/libavformat/omaenc.c
> +++ b/libavformat/omaenc.c
> @@ -24,6 +24,7 @@
>  #include "avio_internal.h"
>  #include "id3v2.h"
>  #include "internal.h"
> +#include "libavcodec/oma.h"
>  #include "oma.h"
>  #include "rawenc.h"
>
> diff --git a/libavformat/version.h b/libavformat/version.h
> index 5ced041f0a..6453d4559f 100644
> --- a/libavformat/version.h
> +++ b/libavformat/version.h
> @@ -33,7 +33,7 @@
>  // Also please add any ticket numbers that you believe might be affected
> here
>  #define LIBAVFORMAT_VERSION_MAJOR  58
>  #define LIBAVFORMAT_VERSION_MINOR   3
> -#define LIBAVFORMAT_VERSION_MICRO 100
> +#define LIBAVFORMAT_VERSION_MICRO 101
>
>  #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR,
> \
>                                                 LIBAVFORMAT_VERSION_MINOR,
> \
> --
> 2.15.1
>
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> ffmpeg-devel at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>


Code in header files which gets inlined doesn't need an ff_ prefix.
Aside from that, patchset looks good to me.


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