Я использую ffmpeg для конвертации файлов fb0 с Android и создания скриншотов.Почему-то это не работает с Nexus Galaxy.
Я получаю эту ошибку:
[image2 @ 0000000001E0E350] Could not get frame filename number 2 from pattern '
image.png'
av_interleaved_write_frame(): Invalid argument
Вот процесс:
C:\dev\scripts>adb pull /dev/graphics/fb0
3292 KB/s (16777216 bytes in 4.976s)
C:\dev\scripts>ffmpeg -vframes 1 -vcodec rawvideo -f rawvideo -pix
_fmt rgb32 -s 720x1080 -i fb0 -f image2 -vcodec png image.png
ffmpeg version N-36635-gceb0dd9 Copyright (c) 2000-2012 the FFmpeg developers
built on Jan 9 2012 17:45:55 with gcc 4.6.2
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-ru
ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libope
ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --en
able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger -
-enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwben
c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
libxvid --enable-zlib
libavutil 51. 34.100 / 51. 34.100
libavcodec 53. 54.100 / 53. 54.100
libavformat 53. 29.100 / 53. 29.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 58.100 / 2. 58.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 6.100 / 0. 6.100
libpostproc 51. 2.100 / 51. 2.100
[rawvideo @ 000000000037D5A0] Estimating duration from bitrate, this may be inac
curate
Input #0, rawvideo, from 'fb0':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo (BGRA / 0x41524742), bgra, 720x1080, 25 tbr, 25
tbn, 25 tbc
[buffer @ 000000000037D420] w:720 h:1080 pixfmt:bgra tb:1/1000000 sar:0/1 sws_pa
ram:
Output #0, image2, to 'image.png':
Metadata:
encoder : Lavf53.29.100
Stream #0:0: Video: png, bgra, 720x1080, q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo -> png)
Press [q] to stop, [?] for help
[image2 @ 0000000001E0E350] Could not get frame filename number 2 from pattern '
image.png'
av_interleaved_write_frame(): Invalid argument