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authorMoonchild <mcwerewolf@gmail.com>2018-10-01 15:25:04 +0200
committerGitHub <noreply@github.com>2018-10-01 15:25:04 +0200
commit45c24f05d023a2cd8289ed40a13708392ce2e6a4 (patch)
treefef75d382fc6216a093eeaf80560473dff19d883 /media/ffvpx/libavcodec/parser.c
parent79b00fc33b5cb6d56d29b50efac6d62ce3a89018 (diff)
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Revert "Update ffvpx code to 4.0.2"
Diffstat (limited to 'media/ffvpx/libavcodec/parser.c')
-rw-r--r--media/ffvpx/libavcodec/parser.c86
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;