ffmpeg/libavcodec/parsers.c

111 lines
3.3 KiB
C

/*
* 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_av1_parser;
extern AVCodecParser ff_avs2_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_g723_1_parser;
extern AVCodecParser ff_g729_parser;
extern AVCodecParser ff_gif_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);
}