> On Feb 27, 2017, at 5:11 PM, Carl Eugen Hoyos <[email protected]> wrote: > > 2017-02-27 5:15 GMT+01:00 Rick Corteza <[email protected]>: > >> Prior to joining files with cat I often convert them using >> ffmpeg -i inputFile -target ntsc-dvd -qscale 5 outputFile >> to make them similar quality before joining. > >> The problem with doing this is often the aspect ratio even >> if I use the -aspect flag. > > Please elaborate. > > Carl Eugen
Here is a better explanation: Original file - http://www.filedropper.com/original_5 <http://www.filedropper.com/original_5> Converted file - http://www.filedropper.com/test_198 <http://www.filedropper.com/test_198> Output: MacBook:~ mahalko$ /Users/mahalko/Desktop/ffmpeg -i /Users/mahalko/Desktop/original.mp4 -target ntsc-dvd -aspect 464:640 -qscale 5 /Users/mahalko/Desktop/test.vob ffmpeg version 3.2.4 Copyright (c) 2000-2017 the FFmpeg developers built with llvm-gcc 4.2.1 (LLVM build 2336.11.00) configuration: --prefix=/Volumes/Ramdisk/sw --enable-gpl --enable-pthreads --enable-version3 --enable-libspeex --enable-libvpx --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-avfilter --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-filters --enable-libgsm --enable-libvidstab --enable-libx265 --disable-doc --arch=x86_64 --enable-runtime-cpudetect libavutil 55. 34.101 / 55. 34.101 libavcodec 57. 64.101 / 57. 64.101 libavformat 57. 56.101 / 57. 56.101 libavdevice 57. 1.100 / 57. 1.100 libavfilter 6. 65.100 / 6. 65.100 libswscale 4. 2.100 / 4. 2.100 libswresample 2. 3.100 / 2. 3.100 libpostproc 54. 1.100 / 54. 1.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/mahalko/Desktop/original.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 creation_time : 2016-12-26T22:07:38.000000Z encoder : Lavf57.56.100 Duration: 00:00:00.84, start: 0.000000, bitrate: 2326 kb/s Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 464x640, 2320 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default) Metadata: creation_time : 2016-12-26T22:07:38.000000Z handler_name : VideoHandler Please use -q:a or -q:v, -qscale is ambiguous Output #0, dvd, to '/Users/mahalko/Desktop/test.vob': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf57.56.101 Stream #0:0(und): Video: mpeg2video (Main), yuv420p, 720x480 [SAR 29:60 DAR 29:40], q=2-31, 6000 kb/s, 29.97 fps, 90k tbn, 29.97 tbc (default) Metadata: creation_time : 2016-12-26T22:07:38.000000Z handler_name : VideoHandler encoder : Lavc57.64.101 mpeg2video Side data: cpb: bitrate max/min/avg: 9000000/0/6000000 buffer size: 1835008 vbv_delay: -1 Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> mpeg2video (native)) Press [q] to stop, [?] for help frame= 25 fps=0.0 q=5.0 Lsize= 400kB time=00:00:00.76 bitrate=4269.8kbits/s speed=4.16x video:388kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.068398% MacBook:~ mahalko$ _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
