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Mp4: mp4_start_key_frame directive.
The directive enables including all frames from start time to the most recent
key frame in the result. Those frames are removed from presentation timeline
using mp4 edit lists.
Edit lists are currently supported by popular players and browsers such as
Chrome, Safari, QuickTime and ffmpeg. Among those not supporting them properly
is Firefox[1].
Based on a patch by Tracey Jaquith, Internet Archive.
[1] https://bugzilla.mozilla.org/show_bug.cgi?id=1735300
author | Roman Arutyunyan <arut@nginx.com> |
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date | Thu, 28 Oct 2021 14:14:25 +0300 |
parents | 549b13cd793b |
children |
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# Copyright (C) Igor Sysoev # Copyright (C) Nginx, Inc. NGX_MAKEFILE=$NGX_OBJS/Makefile NGX_MODULES_C=$NGX_OBJS/ngx_modules.c NGX_AUTO_HEADERS_H=$NGX_OBJS/ngx_auto_headers.h NGX_AUTO_CONFIG_H=$NGX_OBJS/ngx_auto_config.h NGX_AUTOTEST=$NGX_OBJS/autotest NGX_AUTOCONF_ERR=$NGX_OBJS/autoconf.err # STUBs NGX_ERR=$NGX_OBJS/autoconf.err MAKEFILE=$NGX_OBJS/Makefile NGX_PCH= NGX_USE_PCH= # check the echo's "-n" option and "\c" capability if echo "test\c" | grep c >/dev/null; then if echo -n test | grep n >/dev/null; then ngx_n= ngx_c= else ngx_n=-n ngx_c= fi else ngx_n= ngx_c='\c' fi # create Makefile cat << END > Makefile default: build clean: rm -rf Makefile $NGX_OBJS .PHONY: default clean END