[FFmpeg-devel] [PATCH] avcodec/parser: move parsers list and related API to its own file
Rostislav Pehlivanov
atomnuker at gmail.com
Sat Jul 21 20:58:37 EEST 2018
On 21 July 2018 at 18:28, James Almer <jamrial at gmail.com> wrote:
> And add it to the list of configurable components in Makefile, so changes
> to
> the file will be tracked and the usual warning to suggest re-running
> configure
> will be shown.
>
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
> Makefile | 1 +
> configure | 2 +-
> libavcodec/Makefile | 1 +
> libavcodec/parser.c | 85 ----------------------------------
> libavcodec/parsers.c | 106 +++++++++++++++++++++++++++++++++++++++++++
> 5 files changed, 109 insertions(+), 86 deletions(-)
> create mode 100644 libavcodec/parsers.c
>
> diff --git a/Makefile b/Makefile
> index 0cd0a1d6f2..4bf1dfedcf 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -58,6 +58,7 @@ tools/target_dec_%_fuzzer$(EXESUF): $(FF_DEP_LIBS)
> CONFIGURABLE_COMPONENTS = \
> $(wildcard $(FFLIBS:%=$(SRC_PATH)/lib%/all*.c)) \
> $(SRC_PATH)/libavcodec/bitstream_filters.c \
> + $(SRC_PATH)/libavcodec/parsers.c \
> $(SRC_PATH)/libavformat/protocols.c \
>
> config.h: ffbuild/.config
> diff --git a/configure b/configure
> index 534c62ed98..741f56d565 100755
> --- a/configure
> +++ b/configure
> @@ -3679,7 +3679,7 @@ CODEC_LIST="
> $ENCODER_LIST
> $DECODER_LIST
> "
> -PARSER_LIST=$(find_things_extern parser AVCodecParser
> libavcodec/parser.c)
> +PARSER_LIST=$(find_things_extern parser AVCodecParser
> libavcodec/parsers.c)
> BSF_LIST=$(find_things_extern bsf AVBitStreamFilter
> libavcodec/bitstream_filters.c)
> HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel
> libavcodec/hwaccels.h)
> PROTOCOL_LIST=$(find_things_extern protocol URLProtocol
> libavformat/protocols.c)
> diff --git a/libavcodec/Makefile b/libavcodec/Makefile
> index 2d4bc48dab..e62603f0dd 100644
> --- a/libavcodec/Makefile
> +++ b/libavcodec/Makefile
> @@ -44,6 +44,7 @@ OBJS = ac3_parser.o
> \
> options.o \
> mjpegenc_huffman.o \
> parser.o \
> + parsers.o \
> profiles.o \
> qsv_api.o \
> raw.o \
> diff --git a/libavcodec/parser.c b/libavcodec/parser.c
> index f43b197d5e..0a994a3f30 100644
> --- a/libavcodec/parser.c
> +++ b/libavcodec/parser.c
> @@ -27,95 +27,10 @@
> #include "libavutil/avassert.h"
> #include "libavutil/internal.h"
> #include "libavutil/mem.h"
> -#include "libavutil/thread.h"
>
> #include "internal.h"
> #include "parser.h"
>
> -/* Parsers */
> -extern AVCodecParser ff_aac_parser;
> -extern AVCodecParser ff_aac_latm_parser;
> -extern AVCodecParser ff_ac3_parser;
> -extern AVCodecParser ff_adx_parser;
> -extern AVCodecParser ff_bmp_parser;
> -extern AVCodecParser ff_cavsvideo_parser;
> -extern AVCodecParser ff_cook_parser;
> -extern AVCodecParser ff_dca_parser;
> -extern AVCodecParser ff_dirac_parser;
> -extern AVCodecParser ff_dnxhd_parser;
> -extern AVCodecParser ff_dpx_parser;
> -extern AVCodecParser ff_dvaudio_parser;
> -extern AVCodecParser ff_dvbsub_parser;
> -extern AVCodecParser ff_dvdsub_parser;
> -extern AVCodecParser ff_dvd_nav_parser;
> -extern AVCodecParser ff_flac_parser;
> -extern AVCodecParser ff_g729_parser;
> -extern AVCodecParser ff_gsm_parser;
> -extern AVCodecParser ff_h261_parser;
> -extern AVCodecParser ff_h263_parser;
> -extern AVCodecParser ff_h264_parser;
> -extern AVCodecParser ff_hevc_parser;
> -extern AVCodecParser ff_mjpeg_parser;
> -extern AVCodecParser ff_mlp_parser;
> -extern AVCodecParser ff_mpeg4video_parser;
> -extern AVCodecParser ff_mpegaudio_parser;
> -extern AVCodecParser ff_mpegvideo_parser;
> -extern AVCodecParser ff_opus_parser;
> -extern AVCodecParser ff_png_parser;
> -extern AVCodecParser ff_pnm_parser;
> -extern AVCodecParser ff_rv30_parser;
> -extern AVCodecParser ff_rv40_parser;
> -extern AVCodecParser ff_sbc_parser;
> -extern AVCodecParser ff_sipr_parser;
> -extern AVCodecParser ff_tak_parser;
> -extern AVCodecParser ff_vc1_parser;
> -extern AVCodecParser ff_vorbis_parser;
> -extern AVCodecParser ff_vp3_parser;
> -extern AVCodecParser ff_vp8_parser;
> -extern AVCodecParser ff_vp9_parser;
> -extern AVCodecParser ff_xma_parser;
> -
> -#include "libavcodec/parser_list.c"
> -
> -static AVOnce av_parser_next_init = AV_ONCE_INIT;
> -
> -static void av_parser_init_next(void)
> -{
> - AVCodecParser *prev = NULL, *p;
> - int i = 0;
> - while ((p = (AVCodecParser*)parser_list[i++])) {
> - if (prev)
> - prev->next = p;
> - prev = p;
> - }
> -}
> -
> -AVCodecParser *av_parser_next(const AVCodecParser *p)
> -{
> - ff_thread_once(&av_parser_next_init, av_parser_init_next);
> -
> - if (p)
> - return p->next;
> - else
> - return (AVCodecParser*)parser_list[0];
> -}
> -
> -const AVCodecParser *av_parser_iterate(void **opaque)
> -{
> - uintptr_t i = (uintptr_t)*opaque;
> - const AVCodecParser *p = parser_list[i];
> -
> - if (p)
> - *opaque = (void*)(i + 1);
> -
> - return p;
> -}
> -
> -void av_register_codec_parser(AVCodecParser *parser)
> -{
> - ff_thread_once(&av_parser_next_init, av_parser_init_next);
> -}
> -
> AVCodecParserContext *av_parser_init(int codec_id)
> {
> AVCodecParserContext *s = NULL;
> diff --git a/libavcodec/parsers.c b/libavcodec/parsers.c
> new file mode 100644
> index 0000000000..f2886ff45f
> --- /dev/null
> +++ b/libavcodec/parsers.c
> @@ -0,0 +1,106 @@
> +/*
> + * 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 <stdint.h>
> +
> +#include "libavutil/thread.h"
> +
> +#include "avcodec.h"
> +
> +extern AVCodecParser ff_aac_parser;
> +extern AVCodecParser ff_aac_latm_parser;
> +extern AVCodecParser ff_ac3_parser;
> +extern AVCodecParser ff_adx_parser;
> +extern AVCodecParser ff_bmp_parser;
> +extern AVCodecParser ff_cavsvideo_parser;
> +extern AVCodecParser ff_cook_parser;
> +extern AVCodecParser ff_dca_parser;
> +extern AVCodecParser ff_dirac_parser;
> +extern AVCodecParser ff_dnxhd_parser;
> +extern AVCodecParser ff_dpx_parser;
> +extern AVCodecParser ff_dvaudio_parser;
> +extern AVCodecParser ff_dvbsub_parser;
> +extern AVCodecParser ff_dvdsub_parser;
> +extern AVCodecParser ff_dvd_nav_parser;
> +extern AVCodecParser ff_flac_parser;
> +extern AVCodecParser ff_g729_parser;
> +extern AVCodecParser ff_gsm_parser;
> +extern AVCodecParser ff_h261_parser;
> +extern AVCodecParser ff_h263_parser;
> +extern AVCodecParser ff_h264_parser;
> +extern AVCodecParser ff_hevc_parser;
> +extern AVCodecParser ff_mjpeg_parser;
> +extern AVCodecParser ff_mlp_parser;
> +extern AVCodecParser ff_mpeg4video_parser;
> +extern AVCodecParser ff_mpegaudio_parser;
> +extern AVCodecParser ff_mpegvideo_parser;
> +extern AVCodecParser ff_opus_parser;
> +extern AVCodecParser ff_png_parser;
> +extern AVCodecParser ff_pnm_parser;
> +extern AVCodecParser ff_rv30_parser;
> +extern AVCodecParser ff_rv40_parser;
> +extern AVCodecParser ff_sbc_parser;
> +extern AVCodecParser ff_sipr_parser;
> +extern AVCodecParser ff_tak_parser;
> +extern AVCodecParser ff_vc1_parser;
> +extern AVCodecParser ff_vorbis_parser;
> +extern AVCodecParser ff_vp3_parser;
> +extern AVCodecParser ff_vp8_parser;
> +extern AVCodecParser ff_vp9_parser;
> +extern AVCodecParser ff_xma_parser;
> +
> +#include "libavcodec/parser_list.c"
> +
> +static AVOnce av_parser_next_init = AV_ONCE_INIT;
> +
> +static void av_parser_init_next(void)
> +{
> + AVCodecParser *prev = NULL, *p;
> + int i = 0;
> + while ((p = (AVCodecParser*)parser_list[i++])) {
> + if (prev)
> + prev->next = p;
> + prev = p;
> + }
> +}
> +
> +AVCodecParser *av_parser_next(const AVCodecParser *p)
> +{
> + ff_thread_once(&av_parser_next_init, av_parser_init_next);
> +
> + if (p)
> + return p->next;
> + else
> + return (AVCodecParser*)parser_list[0];
> +}
> +
> +const AVCodecParser *av_parser_iterate(void **opaque)
> +{
> + uintptr_t i = (uintptr_t)*opaque;
> + const AVCodecParser *p = parser_list[i];
> +
> + if (p)
> + *opaque = (void*)(i + 1);
> +
> + return p;
> +}
> +
> +void av_register_codec_parser(AVCodecParser *parser)
> +{
> + ff_thread_once(&av_parser_next_init, av_parser_init_next);
> +}
> --
> 2.18.0
>
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>
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