* Petr Tresnak on Friday, December 05, 2014 at 10:34:50 +0000 > the sound start is cut and audio is ahead even more with your command line. > > ffmpeg -i mjpeg.avi -qscale 2 -strict -2 -vcodec mpeg4 -acodec aac out.mp4 > > encoder : Lavf56.14.100 > Duration: 00:00:14.39, start: 0.092880, bitrate: 873 kb/s > Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, > 640x480 [SAR 1:1 DAR 4:3], 818 kb/s, 30 fps, 30 tbr, 65521 tbn, 65521 tbc > (default) > Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 11025 Hz, mono, fltp, > 57 kb/s (default) > > Here you have full console output: > > ffmpeg version git-2014-11-20-e39f8fa Copyright (c) 2000-2014 the FFmpeg > developers > built on Nov 20 2014 12:58:03 with gcc 4.9.2 (Rev2, Built by MSYS2 project) > configuration: --arch=x86 --disable-debug --disable-shared --disable-doc > --enable-gpl --enable-version3 --enable-runtime-cpudetect --enable-avfilter > --enable- > bzlib --enable-zlib --enable-librtmp --enable-gnutls --enable-avisynth > --enable-frei0r --enable-filter=frei0r --enable-libbluray --enable-libcaca > --enable-libop > enjpeg --enable-fontconfig --enable-libfreetype --enable-libass > --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame > --enable-libopencore-am > rnb --enable-libopencore-amrwb --enable-libvo-amrwbenc > --enable-libschroedinger --enable-libsoxr --enable-libtwolame > --enable-libspeex --enable-libtheora --enab > le-libutvideo --enable-libvorbis --enable-libvo-aacenc --enable-openal > --enable-libopus --enable-libvidstab --enable-libvpx --enable-libwavpack > --enable-libxavs > --enable-libx264 --enable-libx265 --enable-libxvid --enable-libzvbi > --enable-nonfree --enable-libfaac --enable-libfdk-aac > libavutil 54. 14.100 / 54. 14.100 > libavcodec 56. 12.101 / 56. 12.101 > libavformat 56. 14.100 / 56. 14.100 > libavdevice 56. 3.100 / 56. 3.100 > libavfilter 5. 2.103 / 5. 2.103 > libswscale 3. 1.101 / 3. 1.101 > libswresample 1. 1.100 / 1. 1.100 > libpostproc 53. 3.100 / 53. 3.100 > Guessed Channel Layout for Input Stream #0.1 : mono > Input #0, avi, from 'input.avi': > Metadata: > creation_time : 2005-12-30 14:13:20 > encoder : CanonMVI02 > Duration: 00:00:14.30, start: 0.000000, bitrate: 14883 kb/s > Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc, > bt470bg/unknown/unknown), 640x480, 14823 kb/s, 30 fps, 30 tbr, 30 tbn, 30 tbc > Stream #0:1: Audio: pcm_u8 ([1][0][0][0] / 0x0001), 11024 Hz, 1 channels, > u8, 88 kb/s > [swscaler @ 051d8080] deprecated pixel format used, make sure you did set > range correctly > Output #0, mp4, to 'output.mp4': > Metadata: > encoder : Lavf56.14.100 > Stream #0:0: Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 640x480, q=2-31, > 200 kb/s, 30 fps, 65521 tbn, 30 tbc > Metadata: > encoder : Lavc56.12.101 mpeg4 > Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 11025 Hz, mono, fltp, 64 > kb/s > Metadata: > encoder : Lavc56.12.101 aac > Stream mapping: > Stream #0:0 -> #0:0 (mjpeg (native) -> mpeg4 (native)) > Stream #0:1 -> #0:1 (pcm_u8 (native) -> aac (native)) > Press [q] to stop, [?] for help > frame= 429 fps=266 q=31.0 Lsize= 1535kB time=00:00:14.30 bitrate= > 879.0kbits/s > video:1428kB audio:101kB subtitle:0kB other streams:0kB global headers:0kB > muxing overhead: 0.374799% > Press any key to continue . . .
Seems related to https://trac.ffmpeg.org/ticket/3859 aac duration is rarely the same as the video, in your case it looks like the audio is truncated. -- Auftreten Tarzan und Martha - ich hatte Sankt Pauli unterschätzt. _MICHAEL WEBER: MARTHA_ --->> http://www.blacktrash.org/baustellen/#martha _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user
