Thank you for your quick reply. The output of the command line "ffplay -threads 8 <video_input>" is: -------------------------------------------------------------------------------------------------------------------------------------------------------- root@odroid:~/bin# ./ffplay -threads 8 ../video-h265.mkv ffplay version N-91111-g380ca1bc Copyright (c) 2003-2018 the FFmpeg developers built with gcc 4.8 (Ubuntu/Linaro 4.8.2-19ubuntu1) configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/root/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --arch=arm --arch=arm --enable-neon --enable-thumb --enable-optimizations --enable-pthreads --enable-gray --enable-version3 --enable-postproc --enable-libxcb --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libdc1394 --enable-libgsm --enable-libopenjpeg --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libxvid --enable-yasm --enable-nonfree libavutil 56. 18.102 / 56. 18.102 libavcodec 58. 19.102 / 58. 19.102 libavformat 58. 13.102 / 58. 13.102 libavdevice 58. 4.100 / 58. 4.100 libavfilter 7. 23.100 / 7. 23.100 libswscale 5. 2.100 / 5. 2.100 libswresample 3. 2.100 / 3. 2.100 libpostproc 55. 2.100 / 55. 2.100 libGL error: MESA-LOADER: malformed or no PCI ID libGL error: dlopen /usr/lib/arm-linux-gnueabihf/dri/exynos_dri.so failed (/usr/lib/arm-linux-gnueabihf/dri/exynos_dri.so: cannot open shared object file: No such file or directory) libGL error: dlopen ${ORIGIN}/dri/exynos_dri.so failed (${ORIGIN}/dri/exynos_dri.so: cannot open shared object file: No such file or directory) libGL error: dlopen /usr/lib/dri/exynos_dri.so failed (/usr/lib/dri/exynos_dri.so: cannot open shared object file: No such file or directory) libGL error: unable to load driver: exynos_dri.so libGL error: driver pointer missing libGL error: failed to load driver: exynos Input #0, matroska,webm, from '../video-h265.mkv':sq= 0B f=0/0 Metadata: ENCODER : Lavf55.12.0 Duration: 00:00:16.16, start: 0.099000, bitrate: 2619 kb/s Stream #0:0: Video: hevc (Main), yuv420p(tv, bt709), 1920x960 [SAR 1:1 DAR 2:1], 25 fps, 25 tbr, 1k tbn, 25 tbc (default) Stream #0:1(eng): Audio: aac (LC), 48000 Hz, stereo, fltp (default) Metadata: title : Stereo LANGUAGE : eng 20.48 A-V: 2.591 fd= 383 aq= 0KB vq= 0KB sq= 0B f=0/0 --------------------------------------------------------------------------------------------------------------------------------------------------------
The output of the command line " ffmpeg -i <video_input> -t 30 -f null - " is: -------------------------------------------------------------------------------------------------------------------------------------------------------- root@odroid:~/bin# ./ffmpeg -i ../video-h265.mkv -t 30 -f null - ffmpeg version N-91111-g380ca1bc Copyright (c) 2000-2018 the FFmpeg developers built with gcc 4.8 (Ubuntu/Linaro 4.8.2-19ubuntu1) configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --extra-libs='-lpthread -lm' --bindir=/root/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --arch=arm --arch=arm --enable-neon --enable-thumb --enable-optimizations --enable-pthreads --enable-gray --enable-version3 --enable-postproc --enable-libxcb --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libdc1394 --enable-libgsm --enable-libopenjpeg --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libxvid --enable-yasm --enable-nonfree libavutil 56. 18.102 / 56. 18.102 libavcodec 58. 19.102 / 58. 19.102 libavformat 58. 13.102 / 58. 13.102 libavdevice 58. 4.100 / 58. 4.100 libavfilter 7. 23.100 / 7. 23.100 libswscale 5. 2.100 / 5. 2.100 libswresample 3. 2.100 / 3. 2.100 libpostproc 55. 2.100 / 55. 2.100 Input #0, matroska,webm, from '../video-h265.mkv': Metadata: ENCODER : Lavf55.12.0 Duration: 00:00:16.16, start: 0.099000, bitrate: 2619 kb/s Stream #0:0: Video: hevc (Main), yuv420p(tv, bt709), 1920x960 [SAR 1:1 DAR 2:1], 25 fps, 25 tbr, 1k tbn, 25 tbc (default) Stream #0:1(eng): Audio: aac (LC), 48000 Hz, stereo, fltp (default) Metadata: title : Stereo LANGUAGE : eng Stream mapping: Stream #0:0 -> #0:0 (hevc (native) -> wrapped_avframe (native)) Stream #0:1 -> #0:1 (aac (native) -> pcm_s16le (native)) Press [q] to stop, [?] for help Output #0, null, to 'pipe:': Metadata: encoder : Lavf58.13.102 Stream #0:0: Video: wrapped_avframe, yuv420p, 1920x960 [SAR 1:1 DAR 2:1], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default) Metadata: encoder : Lavc58.19.102 wrapped_avframe Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s (default) Metadata: title : Stereo LANGUAGE : eng encoder : Lavc58.19.102 pcm_s16le frame= 291 fps= 80 q=-0.0 size=N/A time=00:00:12.01 bitrate=N/A speed= 3.3x -------------------------------------------------------------------------------------------------------------------------------------------------------- ___________________________________________________________ Mohammed BEY AHMED KHERNACHE PhD student at Lab-STICC Université Bretagne Sud, Lorient, France mohammed.bey-ahmed-kherna...@univ-ubs.fr mohbeyi...@gmail.com ___________________________________________________________ On Sun, May 20, 2018 at 6:45 PM, Moritz Barsnick <barsn...@gmx.net> wrote: > On Sun, May 20, 2018 at 16:32:05 +0200, mohammed bey ahmed khernache wrote: > > 2) how can decode *hevc *content ? > > I compiled ffmpeg with libx265. > > libx265 isn't used for decoding, only for encoding. > > > When I try to play back a video encoded > > with hevc, I can not decode it correctly, i.e. ffplay plays it very > slowly > > as I don't see all the frames. > > I can only guess your computer is too slow. Can you show us the > complete console output of your ffplay command? > > > ffplay -threads 8 <video_input> > > Additionally, can you show us the complete output of > $ ffmpeg -i <video_input> -t 30 -f null - > > Moritz > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".