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php - 将 2 张图片添加到具有持续时间的视频中?

转载 作者:行者123 更新时间:2023-12-04 23:35:32 24 4
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这个问题在这里已经有了答案:





How to create videos from images with php?

(4 个回答)


9年前关闭。




我正在尝试使用 ffmpeg 将 2 个不同的图像添加到视频中。

image1.jpg 应显示电影的前 10 秒,youtubeLOL.png 应显示视频的后 6 分钟。

所以命令应该告诉我们重复图片以获得 6 分 10 秒的长度。我怎样才能做到这一点?我试过这个:

(它甚至不工作)

 passthru("ffmpeg -f image2 -loop 1 -vframes 100 -i /home/psafari/public_html/youtube_images/movie_" . $id . ".jpg -vcodec mpeg4 /home/psafari/public_html/youtube_videos/movie_" . time().".avi");

这是输出:
FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers built on Jan 29 2012 17:52:15 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6) configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-avfilter-lavf --enable-libdc1394 --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab libavutil 50.15. 1 / 50.15. 1 libavcodec 52.72. 2 / 52.72. 2 libavformat 52.64. 2 / 52.64. 2 libavdevice 52. 2. 0 / 52. 2. 0 libavfilter 1.19. 0 / 1.19. 0 libswscale 0.11. 0 / 0.11. 0 libpostproc 51. 2. 0 / 51. 2. 0 

Invalid value '1' for option 'loop'

输出内存代码
 MEncoder SVN-r31628-4.4.6 (C) 2000-2010 MPlayer Team
get_path("config") problem
success: format: 0 data: 0x0 - 0x1251b
libavformat file format detected.
[lavf] stream 0: video (h264), -vid 0
VIDEO: [H264] 540x800 24bpp 25.000 fps 116.3 kbps (14.2 kbyte/s)
[V] filefmt:44 fourcc:0x34363248 size:540x800 fps:25.000 ftime:=0.0400
videocodec: framecopy (540x800 24bpp fourcc=34363248)
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
Writing header...
ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
Pos: 0.0s 1f (100%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0]
Pos: 0.1s 2f (100%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0]
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success: format: 0 data: 0x0 - 0x9daf8
libavformat file format detected.
[lavf] stream 0: video (h264), -vid 0
VIDEO: [H264] 640x400 24bpp 25.000 fps 21.8 kbps ( 2.7 kbyte/s)
[V] filefmt:44 fourcc:0x34363248 size:640x400 fps:25.000 ftime:=0.0400
videocodec: framecopy (540x800 24bpp fourcc=34363248)
videocodec: framecopy (640x400 24bpp fourcc=34363248)

All video files must have identical fps, resolution, and codec for -ovc copy.

Exiting...

最佳答案

假设您有一组名为 picture1、picture2 等的图像保存在磁盘的某个位置,您可以使用 shell_exec 调用 ffmpeg

ffmpeg 可以使用类似于此的 sintax 转换视频中的图像

ffmpeg -i picture1%d.jpg -vcodec mpeg4 myConvertedMovie.avi

问题是我认为不可能像你问的那样单独设置每张图片的持续时间

编辑:

您可以使用 -loop 1 -vframes NUMBER_OF_FRAMES 设置持续时间
所以例如一个100帧的视频将是
ffmpeg -f image2 -loop 1 -vframes 100 -i /home/psafari/public_html/common/images/icon3.png -vcodec mpeg4 /home/psafari/public_html/" . time().".avi

对于第二个问题,我认为唯一的方法是将视频中的每张图片都转换为自己的长度,然后再将它们合并在一起。

关于php - 将 2 张图片添加到具有持续时间的视频中?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17265429/

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