FFmpeg的xfade转场,现在一共有31种效果,2020年02月10日以后的FFmpeg代码中有效; 1#!/bin/bash2# Example of concatenating multiple mp4s together with1-second transitions between them.34transitions=( \5"fade"\6"wipeleft"\7"wiperight"\8"wipeup"\9"wipedown"\10"slideleft"\11"slideright"\12"slid...
/bin/bash # Example of concatenating multiple mp4s together with1-second transitions between them. gltransition=( \"angular"\"Bounce"\"BowTieHorizontal"\"BowTieVertical"\"BowTieWithParameter"\"burn"\"ButterflyWaveScrawler"\"cannabisleaf"\"circle"\"CircleCrop"\"circleopen"\"colorphase"\"Colour...
$video = $ffmpeg->open('video.mp4'); $video ->filters() ->extractMultipleFrames(FFMpeg\Filters\Video\ExtractMultipleFramesFilter::FRAMERATE_EVERY_10SEC, '/path/to/destination/folder/') ->synchronize(); $video ->save(new FFMpeg\Format\Video\X264(), '/path/to/new/file'); 🎈 调整视频...
我的mp4视频使用相同的编码: h264 我知道是因为我在他们身上运行了这个命令: ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of default=noprint_wrappers=1:nokey=1 a.mp4 现在我使用以下命令将它们组合在一起: ffmpeg -loglevel quiet -f concat -safe 0 -i video-list.txt ...
-i: 指定输入文件 eg: ffmpeg -i input.mp4 查看文件信息 -an: 去除音频流 -vn: 去除视频流 eg: $ ffmpeg -i input.mp4 -vn -c:a copy output.aac 从视频中提取音频;- vn去掉视频,-c:a copy表示不改变音频编码,直接拷贝。 -preset: 指定输出的视频质量,会影响文件的生成速度,有以下几个可用的值 ...
据报道，一个国际科学家团队最近通过分析高新激光干涉仪引力波天文台（Advanced LIGO）获得的观测数据，...
(ShockWave Flash) D tak raw TAK D tedcaptions TED Talks captions E tee Multiple muxer tee D thp THP D tiertexseq Tiertex Limited SEQ D tiff_pipe piped tiff sequence D tmv 8088flex TMV DE truehd raw TrueHD DE tta TTA (True Audio) D tty Tele-typewriter D txd Renderware TeXture ...
ffmpeg -f concat -i textfile -c copy -fflags +genpts merged8.mp4 Where textfile has the following content- file 'Video1.mp4' file 'Video2.mp4' And I was able to concatenate the video file. But I want to get the same result using this package.ac...
mp4的合并最好是先转成无损质量的ts,再合并(如果直接合并,会有些小bug) ./ffmpeg-i1.mp4-vcodeccopy-acodeccopy-vbsf h264_mp4toannexb1.ts./ffmpeg-i2.mp4-vcodeccopy-acodeccopy-vbsf h264_mp4toannexb2.ts./ffmpeg-i"concat:1.ts|2.ts"-acodeccopy-vcodeccopy-absf aac_adtstoasc output.mp4 ...
D concat Virtual concatenation script E crc CRC testing E dash DASH Muxer DE data raw data DE daud D-Cinema audio D dcstr Sega DC STR D dds_pipe piped dds sequence D dfa Chronomaster DFA DE dirac raw Dirac DE dnxhd raw DNxHD (SMPTE VC-3) ...