Hello, I'm trying to speed up conversion using hardware acceleration and the improvement is amazing but there a kind of "warning" when using ffmpeg that I would like to "remove".
Command and output: $ ffmpeg -vaapi_device /dev/dri/renderD128 -i test.mp4 -vf 'hwupload,scale_vaapi=w=1280:h=720:format=nv12' -c:v h264_vaapi -qp 18 test_hw.mp4ffmpeg version N-98341-gcca982ee01 Copyright (c) 2000-2020 the FFmpeg developers built with gcc 8 (Debian 8.3.0-6) configuration: --toolchain=hardened --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared libavutil 56. 55.100 / 56. 55.100 libavcodec 58. 93.100 / 58. 93.100 libavformat 58. 47.100 / 58. 47.100 libavdevice 58. 11.100 / 58. 11.100 libavfilter 7. 86.100 / 7. 86.100 libavresample 4. 0. 0 / 4. 0. 0 libswscale 5. 8.100 / 5. 8.100 libswresample 3. 8.100 / 3. 8.100 libpostproc 55. 8.100 / 55. 8.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf58.47.100 Duration: 00:00:20.73, start: 0.000000, bitrate: 963 kb/s Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1366x768, 762 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default) Metadata: handler_name : VideoHandler Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 192 kb/s (default) Metadata: handler_name : SoundHandler Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_vaapi)) Stream #0:1 -> #0:1 (aac (native) -> aac (native)) Press [q] to stop, [?] for help Duplicate formats in ff_merge_formats detected Output #0, mp4, to 'test_hw.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf58.47.100 Stream #0:0(und): Video: h264 (h264_vaapi) (High) (avc1 / 0x31637661), vaapi_vld, 1280x720, q=-1--1, 30 fps, 15360 tbn, 30 tbc (default) Metadata: handler_name : VideoHandler encoder : Lavc58.93.100 h264_vaapi Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default) Metadata: handler_name : SoundHandler encoder : Lavc58.93.100 aac frame= 76 fps=0.0 q=-0.0 size= 256kB time=00:00:02.62 bitrate= 799.4kbits/frame= 159 fps=159 q=-0.0 size= 256kB time=00:00:05.38 bitrate= 389.4kbits/frame= 241 fps=160 q=-0.0 size= 512kB time=00:00:08.12 bitrate= 516.1kbits/frame= 318 fps=158 q=-0.0 size= 768kB time=00:00:10.68 bitrate= 589.1kbits/frame= 399 fps=159 q=-0.0 size= 1024kB time=00:00:13.39 bitrate= 626.1kbits/frame= 482 fps=160 q=-0.0 size= 1024kB time=00:00:16.16 bitrate= 519.1kbits/frame= 563 fps=160 q=-0.0 size= 1536kB time=00:00:18.85 bitrate= 667.4kbits/frame= 622 fps=159 q=-0.0 Lsize= 2365kB time=00:00:20.66 bitrate= 937.6kbits/s speed=5.29x video:2016kB audio:324kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.062382% [aac @ 0x55e29ed14e00] Qavg: 223.224 The "warning" is the line Duplicate formats in ff_merge_formats detected I could not find any information about the duplication. Any tips? Kind regards, Leonardo _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".