id summary reporter owner description type status priority component version resolution keywords cc blockedby blocking reproduced analyzed 956 ffmpeg V0.10 cannot convert to a jpg file, but ffmpeg v0.9 can chenct1976@… "Hi, All. When I convert a mp4 file to capture a jpg file, it can not convert successfuly(The output file was not generated). Execute command: ffmpeg_g -ss 20 -t 0.001 -vframes 1 -i input.mp4 -y -f image2 -s 350x240 outfile.jpg OS: Win7+MinGW32 The log file information: (It looks like lack of parameters, but I have supported parameters: ""ss, t, vframes"") 2012/01/30-10:25: ffmpeg version 0.10 2012/01/30-10:25: Copyright (c) 2000-2012 the FFmpeg developers 2012/01/30-10:25: built on Jan 29 2012 17:50:46 with gcc 4.5.2 2012/01/30-10:25: configuration: --prefix=/ffmpeg/release10 --enable-debug --disable-static --enable-shared --enable-gpl --enable-version3 --enable-avfilter --enable-memalign-hack --enable-avisynth --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-libfaac --enable-nonfree --enable-libspeex --enable-libopenjpeg --enable-libxavs --enable-libvpx --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libschroedinger --enable-libcelt --enable-frei0r --enable-libdirac --disable-decoder=libdirac --extra-cflags=-I/ffmpeg/olibs9/include --extra-ldflags=-L/ffmpeg/olibs9/lib --extra-libs=/mingw/lib/libdl.a 2012/01/30-10:25: libavutil 51. 34.101 / 51. 34.101 2012/01/30-10:25: libavcodec 53. 60.100 / 53. 60.100 2012/01/30-10:25: libavformat 53. 31.100 / 53. 31.100 2012/01/30-10:25: libavdevice 53. 4.100 / 53. 4.100 2012/01/30-10:25: libavfilter 2. 60.100 / 2. 60.100 2012/01/30-10:25: libswscale 2. 1.100 / 2. 1.100 2012/01/30-10:25: libswresample 0. 6.100 / 0. 6.100 2012/01/30-10:25: libpostproc 52. 0.100 / 52. 0.100 2012/01/30-10:25: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4': 2012/01/30-10:25: Metadata: 2012/01/30-10:25: major_brand : isom 2012/01/30-10:25: minor_version : 512 2012/01/30-10:25: compatible_brands: isomiso2avc1mp41 2012/01/30-10:25: creation_time : 1970-01-01 00:00:00 2012/01/30-10:25: encoder : Lavf52.16.0 2012/01/30-10:25: comment : FlixEngineLinux_8.0.16.0 (www.on2.com) 2012/01/30-10:25: Duration: 2012/01/30-10:25: 00:00:59.15 2012/01/30-10:25: start: 2012/01/30-10:25: 0.000000 2012/01/30-10:25: bitrate: 2012/01/30-10:25: 432 kb/s 2012/01/30-10:25: Stream #0:0 2012/01/30-10:25: (und) 2012/01/30-10:25: Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 540x360 [SAR 1:1 DAR 3:2], 363 kb/s 2012/01/30-10:25: 23.98 fps 2012/01/30-10:25: 23.98 tbr 2012/01/30-10:25: 1k tbn 2012/01/30-10:25: 2k tbc 2012/01/30-10:25: Metadata: 2012/01/30-10:25: creation_time : 1970-01-01 00:00:00 2012/01/30-10:25: handler_name : VideoHandler 2012/01/30-10:25: Stream #0:1 2012/01/30-10:25: (und) 2012/01/30-10:25: Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, s16, 64 kb/s 2012/01/30-10:25: Metadata: 2012/01/30-10:25: creation_time : 1970-01-01 00:00:00 2012/01/30-10:25: handler_name : 2012/01/30-10:25: Incompatible pixel format 'yuv420p' for codec 'mjpeg', auto-selecting format 'yuvj420p' 2012/01/30-10:25: [buffer @ 014aefa0] w:540 h:360 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param: 2012/01/30-10:25: [scale @ 026088a0] w:540 h:360 fmt:yuv420p -> w:350 h:240 fmt:yuvj420p flags:0x4 2012/01/30-10:25: Output #0, image2, to 'outfile.jpg': 2012/01/30-10:25: Metadata: 2012/01/30-10:25: major_brand : isom 2012/01/30-10:25: minor_version : 512 2012/01/30-10:25: compatible_brands: isomiso2avc1mp41 2012/01/30-10:25: creation_time : 1970-01-01 00:00:00 2012/01/30-10:25: comment : FlixEngineLinux_8.0.16.0 (www.on2.com) 2012/01/30-10:25: encoder : Lavf53.31.100 2012/01/30-10:25: Stream #0:0 2012/01/30-10:25: (und) 2012/01/30-10:25: Video: mjpeg, yuvj420p, 350x240 [SAR 36:35 DAR 3:2], q=2-31, 200 kb/s 2012/01/30-10:25: 90k tbn 2012/01/30-10:25: 23.98 tbc 2012/01/30-10:25: Metadata: 2012/01/30-10:25: creation_time : 1970-01-01 00:00:00 2012/01/30-10:25: handler_name : VideoHandler 2012/01/30-10:25: Stream mapping: 2012/01/30-10:25: Stream #0:0 -> #0:0 2012/01/30-10:25: (h264 -> mjpeg) 2012/01/30-10:25: Press [q] to stop, [?] for help 2012/01/30-10:25: frame= 0 fps= 0 q=0.0 Lsize= 0kB time=00:00:00.00 bitrate= 0.0kbits/s 2012/01/30-10:25: video:0kB audio:0kB global headers:0kB muxing overhead nan% 2012/01/30-10:25: Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used) But When I execute the same file in ffmpeg v0.9 (the same OS), it is ok. Could you help me please? Thank you in advance. Tom.Chen " defect closed normal FFmpeg 0.10 worksforme 0 0