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ffmpeg を使用して 2 つの異なる画像をビデオに追加しようとしています。

image1.jpg は映画の最初の 10 秒間を表示し、youtubeLOL.png はビデオの次の 6 分間を表示する必要があります。

したがって、このコマンドは、6 分 10 秒の長さを取得するために画像を繰り返すようにも指示する必要があります。これどうやってするの?私はこれを試しました:

(それも機能していません)

 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");

出力は次のとおりです。

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'

出力メモリコード

 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...
4

1 に答える 1

2

ディスクのどこかに保存されたpicture1、picture2などの一連の画像があると仮定すると、shell_execを使用してffmpegを呼び出すことができます

ffmpeg は、このようなシンタックスを使用してビデオの画像を変換できます

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

問題は、あなたが尋ねたように、各写真の継続時間を個別に設定することはできないと思うことです

編集:

-loop 1 -vframes NUMBER_OF_FRAMES を使用してデュレーションを設定できるため、たとえば 100 フレームのビデオは次のようになります。

ffmpeg -f image2 -loop 1 -vframes 100 -i /home/psafari/public_html/common/images/icon3.png -vcodec mpeg4 /home/psafari/public_html/" . time().".avi

2 番目の質問については、ビデオ内のすべての画像を独自の長さに変換し、後でそれらを結合するしかないと思います。

于 2013-06-23T21:29:19.520 に答える