diff options
Diffstat (limited to 'media/ffvpx/libavcodec/parser.c')
-rw-r--r-- | media/ffvpx/libavcodec/parser.c | 86 |
1 files changed, 9 insertions, 77 deletions
diff --git a/media/ffvpx/libavcodec/parser.c b/media/ffvpx/libavcodec/parser.c index f43b197d5..670680ea7 100644 --- a/media/ffvpx/libavcodec/parser.c +++ b/media/ffvpx/libavcodec/parser.c @@ -25,108 +25,40 @@ #include <string.h> #include "libavutil/avassert.h" +#include "libavutil/atomic.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; - } -} +static AVCodecParser *av_first_parser = NULL; 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; + return av_first_parser; } void av_register_codec_parser(AVCodecParser *parser) { - ff_thread_once(&av_parser_next_init, av_parser_init_next); + do { + parser->next = av_first_parser; + } while (parser->next != avpriv_atomic_ptr_cas((void * volatile *)&av_first_parser, parser->next, parser)); } AVCodecParserContext *av_parser_init(int codec_id) { AVCodecParserContext *s = NULL; - const AVCodecParser *parser; - void *i = 0; + AVCodecParser *parser; int ret; if (codec_id == AV_CODEC_ID_NONE) return NULL; - while ((parser = av_parser_iterate(&i))) { + for (parser = av_first_parser; parser; parser = parser->next) { if (parser->codec_ids[0] == codec_id || parser->codec_ids[1] == codec_id || parser->codec_ids[2] == codec_id || @@ -140,7 +72,7 @@ found: s = av_mallocz(sizeof(AVCodecParserContext)); if (!s) goto err_out; - s->parser = (AVCodecParser*)parser; + s->parser = parser; s->priv_data = av_mallocz(parser->priv_data_size); if (!s->priv_data) goto err_out; |