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Exemple de boutons d’action pour une collection collaborative
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Ffmpeg Android - First image is skipped while making a slideshow
17 mars 2021, par M. Bilal AsifIssue : I have 7 images in a list (with different size, resolution and format). I am adding an mp3 audio file and fade effect while making a slideshow with them, as i am trying to do it by following command


val inputCommandinitial = arrayOf("-y", "-framerate", "1/5")
val arrTop = ArrayList<string>()

 //Add all paths
 for (i in images!!.indices) {
 arrTop.add("-loop")
 arrTop.add("1")
 arrTop.add("-t")
 arrTop.add("5") 
 arrTop.add("-i")
 arrTop.add(images!![i].path)
 }

 //Apply filter graph
 arrTop.add("-i")
 arrTop.add(audio!!.path)
 arrTop.add("-filter_complex")

 val stringBuilder = StringBuilder()

 for (i in images!!.indices) {
 stringBuilder.append("[$i:v]scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=5:d=1[v$i];")
 }

 for (i in images!!.indices) {
 stringBuilder.append("[v$i]")
 }

 //Concat command
 stringBuilder.append("concat=n=${images!!.size}:v=1:a=0,fps=25,format=yuv420p[v]")

 val endcommand = arrayOf("-map", "[v]", "-map", "${images!!.size}:a", "-c:a", "copy", "-preset", "ultrafast", "-shortest", outputLocation.path)
 val finalCommand = (inputCommandinitial + arrTop + stringBuilder.toString() + endcommand)
</string>

But, it skips the first image and shows the rest 6 images and video output duration is 30 seconds, i've been trying since 3 days now


Requirement :
making a slideshow with different format, size, resolution etc, i.e. picked by user from gallery and show in slideshow adding an audio behind, with fade effect


Here is the complete log :


I/mobile-ffmpeg: Loading mobile-ffmpeg.
 I/mobile-ffmpeg: Loaded mobile-ffmpeg-full-gpl-x86-4.4-lts-20200803.
 D/mobile-ffmpeg: Callback thread started.
 I/mobile-ffmpeg: ffmpeg version v4.4-dev-416
 I/mobile-ffmpeg: Copyright (c) 2000-2020 the FFmpeg developers
 I/mobile-ffmpeg: built with Android (6454773 based on r365631c2) clang version 9.0.8 (https://android.googlesource.com/toolchain/llvm-project 98c855489587874b2a325e7a516b99d838599c6f) (based on LLVM 9.0.8svn)
 I/mobile-ffmpeg: configuration: --cross-prefix=i686-linux-android- --sysroot=/files/android-sdk/ndk/21.3.6528147/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/mobile-ffmpeg/prebuilt/android-x86/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=i686 --cpu=i686 --cc=i686-linux-android16-clang --cxx=i686-linux-android16-clang++ --extra-libs='-L/home/taner/Projects/mobile-ffmpeg/prebuilt/android-x86/cpu-features/lib -lndk_compat' --target-os=android --disable-neon --disable-asm --disable-inline-asm --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-swscale --enable-shared --enable-v4l2-m2m --disable-outdev=fbdev --disable-indev=fbdev --enable-small --disable-openssl --disable-xmm-clobber-test --disable-debug --enable-lto --disable-neon-clobber-test --disable-programs --disable-postproc --disable-doc --disable-htmlpages --disable-manpages --disable-podpages --disable-txtpages --disable-static --disable-sndio --disable-schannel --disable-securetransport --disable-xlib --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --disable-videotoolbox --disable-audiotoolbox --disable-appkit --disable-alsa --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gmp --enable-gnutls --enable-libmp3lame --enable-libass --enable-iconv --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libxml2 --enable-libopencore-amrnb --enable-libshine --enable-libspeex --enable-libwavpack --enable-libkvazaar --enable-libx264 --enable-gpl --enable-libxvid --enable-gpl --enable-libx265 --enable-gpl --enable-libvidstab --enable-gpl --enable-libilbc --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libaom --enable-libtwolame --disable-sdl2 --enable-libvo-amrwbenc --enable-zlib --enable-mediacodec
 I/mobile-ffmpeg: libavutil 56. 55.100 / 56. 55.100
 I/mobile-ffmpeg: libavcodec 58. 96.100 / 58. 96.100
 I/mobile-ffmpeg: libavformat 58. 48.100 / 58. 48.100
 I/mobile-ffmpeg: libavdevice 58. 11.101 / 58. 11.101
 I/mobile-ffmpeg: libavfilter 7. 87.100 / 7. 87.100
 I/mobile-ffmpeg: libswscale 5. 8.100 / 5. 8.100
 I/mobile-ffmpeg: libswresample 3. 8.100 / 3. 8.100
 I/mobile-ffmpeg: Input #0, png_pipe, from '/storage/emulated/0/FFMpeg Example/image1.png':
 I/mobile-ffmpeg: Duration:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: , bitrate:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: Stream #0:0
 I/mobile-ffmpeg: : Video: png, rgb24(pc), 800x500 [SAR 11811:11811 DAR 8:5]
 I/mobile-ffmpeg: ,
 I/mobile-ffmpeg: 0.20 tbr,
 I/mobile-ffmpeg: 0.20 tbn,
 I/mobile-ffmpeg: 0.20 tbc
 W/mobile-ffmpeg: [png_pipe @ 0xe1a8ec00] Stream #0: not enough frames to estimate rate; consider increasing probesize
 I/mobile-ffmpeg: Input #1, png_pipe, from '/storage/emulated/0/FFMpeg Example/image2.png':
 I/mobile-ffmpeg: Duration:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: , bitrate:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: Stream #1:0
 I/mobile-ffmpeg: : Video: png, rgb24(pc), 1920x1080 [SAR 3779:3779 DAR 16:9]
 I/mobile-ffmpeg: ,
 I/mobile-ffmpeg: 25 tbr,
 I/mobile-ffmpeg: 25 tbn,
 I/mobile-ffmpeg: 25 tbc
 I/mobile-ffmpeg: Input #2, png_pipe, from '/storage/emulated/0/FFMpeg Example/one.png':
 I/mobile-ffmpeg: Duration:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: , bitrate:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: Stream #2:0
 I/mobile-ffmpeg: : Video: png, rgba(pc), 720x1280
 I/mobile-ffmpeg: ,
 I/mobile-ffmpeg: 25 fps,
 I/mobile-ffmpeg: 25 tbr,
 I/mobile-ffmpeg: 25 tbn,
 I/mobile-ffmpeg: 25 tbc
 I/mobile-ffmpeg: Input #3, image2, from '/storage/emulated/0/FFMpeg Example/two.png':
 I/mobile-ffmpeg: Duration:
 I/mobile-ffmpeg: 00:00:00.04
 I/mobile-ffmpeg: , start:
 I/mobile-ffmpeg: 0.000000
 I/mobile-ffmpeg: , bitrate:
 I/mobile-ffmpeg: 7955 kb/s
 I/mobile-ffmpeg: Stream #3:0
 I/mobile-ffmpeg: : Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 564x1002 [SAR 72:72 DAR 94:167]
 I/mobile-ffmpeg: ,
 I/mobile-ffmpeg: 25 fps,
 I/mobile-ffmpeg: 25 tbr,
 I/mobile-ffmpeg: 25 tbn,
 I/mobile-ffmpeg: 25 tbc
 W/mobile-ffmpeg: [png_pipe @ 0xe1a90a00] Stream #0: not enough frames to estimate rate; consider increasing probesize
 I/mobile-ffmpeg: Input #4, png_pipe, from '/storage/emulated/0/FFMpeg Example/image3.png':
 I/mobile-ffmpeg: Duration:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: , bitrate:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: Stream #4:0
 I/mobile-ffmpeg: : Video: png, rgb24(pc), 1820x1024
 I/mobile-ffmpeg: ,
 I/mobile-ffmpeg: 25 tbr,
 I/mobile-ffmpeg: 25 tbn,
 I/mobile-ffmpeg: 25 tbc
 I/mobile-ffmpeg: Input #5, png_pipe, from '/storage/emulated/0/FFMpeg Example/image4.png':
 I/mobile-ffmpeg: Duration:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: , bitrate:
 I/mobile-ffmpeg: N/A
 I/mobile-ffmpeg: Stream #5:0
 I/mobile-ffmpeg: : Video: png, rgb24(pc), 1920x800 [SAR 2835:2835 DAR 12:5]
 I/mobile-ffmpeg: ,
 I/mobile-ffmpeg: 25 fps,
 I/mobile-ffmpeg: 25 tbr,
 I/mobile-ffmpeg: 25 tbn,
 I/mobile-ffmpeg: 25 tbc
 I/mobile-ffmpeg: Input #6, image2, from '/storage/emulated/0/FFMpeg Example/image5.png':
 I/mobile-ffmpeg: Duration:
 I/mobile-ffmpeg: 00:00:00.04
 I/mobile-ffmpeg: , start:
 I/mobile-ffmpeg: 0.000000
 I/mobile-ffmpeg: , bitrate:
 I/mobile-ffmpeg: 159573 kb/s
 I/mobile-ffmpeg: Stream #6:0
 I/mobile-ffmpeg: : Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 1600x900
 I/mobile-ffmpeg: ,
 I/mobile-ffmpeg: 25 fps,
 I/mobile-ffmpeg: 25 tbr,
 I/mobile-ffmpeg: 25 tbn,
 I/mobile-ffmpeg: 25 tbc
 W/mobile-ffmpeg: [mp3 @ 0xe1a92800] Estimating duration from bitrate, this may be inaccurate
 I/mobile-ffmpeg: Input #7, mp3, from '/storage/emulated/0/FFMpeg Example/shortmusic.mp3':
 I/mobile-ffmpeg: Metadata:
 I/mobile-ffmpeg: track :
 I/mobile-ffmpeg: 25
 I/mobile-ffmpeg: artist :
 I/mobile-ffmpeg: longzijun
 I/mobile-ffmpeg: title :
 I/mobile-ffmpeg: Memoryne Music Box Version
 I/mobile-ffmpeg: album_artist :
 I/mobile-ffmpeg: longzijun
 I/mobile-ffmpeg: genre :
 I/mobile-ffmpeg: Soundtrack
 I/mobile-ffmpeg: date :
 I/mobile-ffmpeg: 2012
 I/mobile-ffmpeg: Duration:
 I/mobile-ffmpeg: 00:00:57.70
 I/mobile-ffmpeg: , start:
 I/mobile-ffmpeg: 0.000000
 I/mobile-ffmpeg: , bitrate:
 I/mobile-ffmpeg: 320 kb/s
 I/mobile-ffmpeg: Stream #7:0
 I/mobile-ffmpeg: : Audio: mp3, 48000 Hz, stereo, fltp, 320 kb/s
 I/mobile-ffmpeg: Stream mapping:
 I/mobile-ffmpeg: Stream #0:0 (png) -> scale
 I/mobile-ffmpeg: Stream #1:0 (png) -> scale
 I/mobile-ffmpeg: Stream #2:0 (png) -> scale
 I/mobile-ffmpeg: Stream #3:0 (mjpeg) -> scale
 I/mobile-ffmpeg: Stream #4:0 (png) -> scale
 I/mobile-ffmpeg: Stream #5:0 (png) -> scale
 I/mobile-ffmpeg: Stream #6:0 (mjpeg) -> scale
 I/mobile-ffmpeg: format
 I/mobile-ffmpeg: -> Stream #0:0 (libx264)
 I/mobile-ffmpeg: Stream #7:0 -> #0:1
 I/mobile-ffmpeg: (copy)
 I/mobile-ffmpeg: Press [q] to stop, [?] for help
 I/mobile-ffmpeg: frame= 0 fps=0.0 q=0.0 size= 0kB time=-577014:32:22.77 bitrate= -0.0kbits/s speed=N/A
 W/mobile-ffmpeg: [graph 0 input from stream 0:0 @ 0xe1a1bec0] sws_param option is deprecated and ignored
 W/mobile-ffmpeg: [graph 0 input from stream 1:0 @ 0xe1a1bf20] sws_param option is deprecated and ignored
 W/mobile-ffmpeg: [graph 0 input from stream 2:0 @ 0xe1a1bfe0] sws_param option is deprecated and ignored
 W/mobile-ffmpeg: [graph 0 input from stream 3:0 @ 0xe1a1c0a0] sws_param option is deprecated and ignored
 W/mobile-ffmpeg: [graph 0 input from stream 4:0 @ 0xe1a1c160] sws_param option is deprecated and ignored
 W/mobile-ffmpeg: [graph 0 input from stream 5:0 @ 0xe1a1c220] sws_param option is deprecated and ignored
 W/mobile-ffmpeg: [graph 0 input from stream 6:0 @ 0xe1a1c2e0] sws_param option is deprecated and ignored
 W/mobile-ffmpeg: [swscaler @ 0xbf684840] deprecated pixel format used, make sure you did set range correctly
 W/mobile-ffmpeg: [swscaler @ 0xbf68fec0] deprecated pixel format used, make sure you did set range correctly
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] using SAR=1/1
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] using cpu capabilities: none!
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] profile Constrained Baseline, level 3.1, 4:2:0, 8-bit
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] 264 - core 160 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=4 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
 I/mobile-ffmpeg: Output #0, mp4, to '/storage/emulated/0/FFMpeg Example/video/movie_1615954349867.mp4':
 I/mobile-ffmpeg: Metadata:
 I/mobile-ffmpeg: encoder :
 I/mobile-ffmpeg: Lavf58.48.100
 I/mobile-ffmpeg: Stream #0:0
 I/mobile-ffmpeg: : Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 720x1280 [SAR 1:1 DAR 9:16], q=-1--1
 I/mobile-ffmpeg: ,
 I/mobile-ffmpeg: 25 fps,
 I/mobile-ffmpeg: 12800 tbn,
 I/mobile-ffmpeg: 25 tbc
 I/mobile-ffmpeg: (default)
 I/mobile-ffmpeg: Metadata:
 I/mobile-ffmpeg: encoder :
 I/mobile-ffmpeg: Lavc58.96.100 libx264
 I/mobile-ffmpeg: Side data:
 I/mobile-ffmpeg:
 I/mobile-ffmpeg: cpb:
 I/mobile-ffmpeg: bitrate max/min/avg: 0/0/0 buffer size: 0
 I/mobile-ffmpeg: vbv_delay: N/A
 I/mobile-ffmpeg: Stream #0:1
 I/mobile-ffmpeg: : Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 320 kb/s
 I/mobile-ffmpeg: frame= 0 fps=0.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
 I/mobile-ffmpeg: frame= 7 fps=3.8 q=20.0 size= 0kB time=00:00:00.04 bitrate= 9.6kbits/s speed=0.0215x
 I/mobile-ffmpeg: frame= 15 fps=6.3 q=22.0 size= 0kB time=00:00:00.36 bitrate= 1.1kbits/s speed=0.151x
 I/mobile-ffmpeg: frame= 24 fps=8.2 q=23.0 size= 256kB time=00:00:00.72 bitrate=2912.9kbits/s speed=0.245x
 I/mobile-ffmpeg: frame= 33 fps=9.5 q=14.0 size= 512kB time=00:00:01.08 bitrate=3883.7kbits/s speed=0.31x
 I/mobile-ffmpeg: frame= 44 fps= 11 q=12.0 size= 512kB time=00:00:01.52 bitrate=2759.5kbits/s speed=0.379x
 I/mobile-ffmpeg: frame= 55 fps= 12 q=12.0 size= 512kB time=00:00:01.96 bitrate=2140.1kbits/s speed=0.432x
 I/mobile-ffmpeg: frame= 68 fps= 13 q=12.0 size= 768kB time=00:00:02.48 bitrate=2537.0kbits/s speed=0.491x
 I/mobile-ffmpeg: frame= 77 fps= 14 q=12.0 size= 768kB time=00:00:02.84 bitrate=2215.4kbits/s speed=0.499x
 I/mobile-ffmpeg: frame= 84 fps= 13 q=12.0 size= 768kB time=00:00:03.12 bitrate=2016.6kbits/s speed=0.499x
 I/mobile-ffmpeg: frame= 94 fps= 14 q=12.0 size= 768kB time=00:00:03.52 bitrate=1787.4kbits/s speed=0.52x
 I/mobile-ffmpeg: frame= 102 fps= 14 q=12.0 size= 768kB time=00:00:03.84 bitrate=1638.5kbits/s speed=0.525x
 I/mobile-ffmpeg: frame= 116 fps= 15 q=12.0 size= 768kB time=00:00:04.40 bitrate=1429.9kbits/s speed=0.556x
 I/mobile-ffmpeg: frame= 127 fps= 15 q=12.0 size= 768kB time=00:00:04.84 bitrate=1299.9kbits/s speed=0.574x
 I/mobile-ffmpeg: frame= 134 fps= 15 q=21.0 size= 768kB time=00:00:05.12 bitrate=1228.9kbits/s speed=0.571x
 I/mobile-ffmpeg: frame= 140 fps= 15 q=22.0 size= 1024kB time=00:00:05.36 bitrate=1565.1kbits/s speed=0.56x
 I/mobile-ffmpeg: frame= 145 fps= 14 q=23.0 size= 1024kB time=00:00:05.56 bitrate=1508.8kbits/s speed=0.55x
 I/mobile-ffmpeg: frame= 151 fps= 14 q=23.0 size= 1280kB time=00:00:05.80 bitrate=1807.9kbits/s speed=0.546x
 I/mobile-ffmpeg: frame= 164 fps= 15 q=12.0 size= 1536kB time=00:00:06.32 bitrate=1991.0kbits/s speed=0.567x
 I/mobile-ffmpeg: frame= 172 fps= 15 q=12.0 size= 1536kB time=00:00:06.64 bitrate=1895.1kbits/s speed=0.569x
 I/mobile-ffmpeg: frame= 186 fps= 15 q=12.0 size= 1536kB time=00:00:07.20 bitrate=1747.7kbits/s speed=0.592x
 I/mobile-ffmpeg: frame= 207 fps= 16 q=12.0 size= 1536kB time=00:00:08.04 bitrate=1565.1kbits/s speed=0.634x
 I/mobile-ffmpeg: frame= 229 fps= 17 q=12.0 size= 1792kB time=00:00:08.92 bitrate=1645.8kbits/s speed=0.677x
 I/mobile-ffmpeg: frame= 249 fps= 18 q=12.0 size= 1792kB time=00:00:09.72 bitrate=1510.3kbits/s speed=0.71x
 I/mobile-ffmpeg: frame= 270 fps= 19 q=21.0 size= 2048kB time=00:00:10.56 bitrate=1588.8kbits/s speed=0.744x
 I/mobile-ffmpeg: frame= 296 fps= 20 q=12.0 size= 2304kB time=00:00:11.60 bitrate=1627.1kbits/s speed=0.789x
 I/mobile-ffmpeg: frame= 319 fps= 21 q=12.0 size= 2304kB time=00:00:12.52 bitrate=1507.6kbits/s speed=0.823x
 I/mobile-ffmpeg: frame= 337 fps= 21 q=12.0 size= 2304kB time=00:00:13.24 bitrate=1425.6kbits/s speed=0.839x
 I/mobile-ffmpeg: frame= 347 fps= 21 q=12.0 size= 2304kB time=00:00:13.64 bitrate=1383.8kbits/s speed=0.835x
 I/mobile-ffmpeg: frame= 360 fps= 21 q=12.0 size= 2560kB time=00:00:14.16 bitrate=1481.1kbits/s speed=0.841x
 I/mobile-ffmpeg: frame= 382 fps= 22 q=19.0 size= 2560kB time=00:00:15.04 bitrate=1394.4kbits/s speed=0.866x
 I/mobile-ffmpeg: frame= 395 fps= 22 q=22.0 size= 2816kB time=00:00:15.56 bitrate=1482.6kbits/s speed=0.869x
 I/mobile-ffmpeg: frame= 407 fps= 22 q=15.0 size= 3072kB time=00:00:16.04 bitrate=1569.0kbits/s speed=0.872x
 I/mobile-ffmpeg: frame= 421 fps= 22 q=12.0 size= 3072kB time=00:00:16.60 bitrate=1516.0kbits/s speed=0.875x
 I/mobile-ffmpeg: frame= 432 fps= 22 q=12.0 size= 3072kB time=00:00:17.04 bitrate=1476.9kbits/s speed=0.875x
 I/mobile-ffmpeg: frame= 446 fps= 22 q=12.0 size= 3072kB time=00:00:17.60 bitrate=1429.9kbits/s speed=0.88x
 I/mobile-ffmpeg: frame= 458 fps= 22 q=12.0 size= 3328kB time=00:00:18.08 bitrate=1507.9kbits/s speed=0.879x
 I/mobile-ffmpeg: frame= 472 fps= 22 q=12.0 size= 3328kB time=00:00:18.64 bitrate=1462.6kbits/s speed=0.884x
 I/mobile-ffmpeg: frame= 489 fps= 23 q=12.0 size= 3328kB time=00:00:19.32 bitrate=1411.1kbits/s speed=0.894x
 I/mobile-ffmpeg: frame= 509 fps= 23 q=19.0 size= 3328kB time=00:00:20.12 bitrate=1355.0kbits/s speed=0.909x
 I/mobile-ffmpeg: frame= 531 fps= 23 q=15.0 size= 3584kB time=00:00:21.00 bitrate=1398.1kbits/s speed=0.928x
 I/mobile-ffmpeg: frame= 555 fps= 24 q=12.0 size= 3840kB time=00:00:21.96 bitrate=1432.5kbits/s speed=0.949x
 I/mobile-ffmpeg: frame= 577 fps= 24 q=12.0 size= 3840kB time=00:00:22.84 bitrate=1377.3kbits/s speed=0.966x
 I/mobile-ffmpeg: frame= 599 fps= 25 q=12.0 size= 3840kB time=00:00:23.72 bitrate=1326.2kbits/s speed=0.981x
 I/mobile-ffmpeg: frame= 620 fps= 25 q=12.0 size= 3840kB time=00:00:24.56 bitrate=1280.8kbits/s speed=0.995x
 I/mobile-ffmpeg: frame= 630 fps= 25 q=18.0 size= 3840kB time=00:00:24.96 bitrate=1260.3kbits/s speed=0.99x
 I/mobile-ffmpeg: frame= 640 fps= 25 q=21.0 size= 4096kB time=00:00:25.36 bitrate=1323.1kbits/s speed=0.985x
 I/mobile-ffmpeg: frame= 652 fps= 25 q=22.0 size= 4352kB time=00:00:25.84 bitrate=1379.7kbits/s speed=0.984x
 I/mobile-ffmpeg: frame= 665 fps= 25 q=12.0 size= 4608kB time=00:00:26.36 bitrate=1432.1kbits/s speed=0.984x
 I/mobile-ffmpeg: frame= 678 fps= 25 q=12.0 size= 4608kB time=00:00:26.88 bitrate=1404.4kbits/s speed=0.984x
 I/mobile-ffmpeg: frame= 690 fps= 25 q=12.0 size= 4608kB time=00:00:27.36 bitrate=1379.7kbits/s speed=0.983x
 I/mobile-ffmpeg: frame= 703 fps= 25 q=12.0 size= 4608kB time=00:00:27.88 bitrate=1354.0kbits/s speed=0.983x
 I/mobile-ffmpeg: frame= 716 fps= 25 q=12.0 size= 4608kB time=00:00:28.40 bitrate=1329.2kbits/s speed=0.983x
 I/mobile-ffmpeg: frame= 729 fps= 25 q=12.0 size= 4608kB time=00:00:28.92 bitrate=1305.3kbits/s speed=0.983x
 I/mobile-ffmpeg: frame= 742 fps= 25 q=12.0 size= 4608kB time=00:00:29.44 bitrate=1282.2kbits/s speed=0.983x
 I/mobile-ffmpeg: frame= 749 fps= 25 q=-1.0 Lsize= 4883kB time=00:00:29.95 bitrate=1335.5kbits/s speed=0.988x
 I/mobile-ffmpeg: video:3696kB audio:1171kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead:
 I/mobile-ffmpeg: 0.326516%
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] frame I:3 Avg QP:13.33 size: 2725
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] frame P:746 Avg QP:13.98 size: 5062
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] mb I I16..4: 100.0% 0.0% 0.0%
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] mb P I16..4: 7.1% 0.0% 0.0% P16..4: 8.2% 0.0% 0.0% 0.0% 0.0% skip:84.7%
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] coded y,uvDC,uvAC intra: 14.5% 19.0% 6.9% inter: 5.1% 5.4% 1.4%
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] i16 v,h,dc,p: 65% 18% 7% 9%
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] i8c dc,h,v,p: 71% 19% 6% 4%
 I/mobile-ffmpeg: [libx264 @ 0xe1ad4400] kb/s:1010.47
 I/mobile-ffmpeg: Async command execution completed successfully.


and here is command is ffmpeg syntax


"-y"
"-framerate"
"1/5"
"-loop"
"1"
"-t"
"5"
"-i"
"/storage/emulated/0/FFMpeg Example/image1.png"
"-loop"
"1"
"-t"
"5"
"-i"
 "/storage/emulated/0/FFMpeg Example/image2.png"
 "-loop"
 "1"
 "-t"
 "5"
 "-i"
 "/storage/emulated/0/FFMpeg Example/one.png"
 "-loop"
 "1"
 "-t"
 "5"
 "-i"
 "/storage/emulated/0/FFMpeg Example/two.png"
 "-loop"
 "1"
 "-t"
 "5"
 "-i"
 "/storage/emulated/0/FFMpeg Example/image3.png"
 "-loop"
 "1"
 "-t"
 "5"
 "-i"
 "/storage/emulated/0/FFMpeg Example/image4.png"
 "-loop"
 "1"
 "-t"
 "5"
 "-i"
 "/storage/emulated/0/FFMpeg Example/image5.png"
 "-i"
 "/storage/emulated/0/FFMpeg Example/shortmusic.mp3"
 "-filter_complex"
 "[0:v]scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=5:d=1[v0];
[1:v]scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=5:d=1[v1];
[2:v]scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=5:d=1[v2];
[3:v]scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=5:d=1[v3];
[4:v]scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=5:d=1[v4];
[5:v]scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=5:d=1[v5];
[6:v]scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=5:d=1[v6];
[v0][v1][v2][v3][v4][v5][v6]concat=n=7:v=1:a=0,fps=25,format=yuv420p[v]"
 "-map"
 "[v]"
 "-map"
 "7:a"
 "-c:a"
 "copy"
 "-preset"
 "ultrafast"
 "-shortest"
 "/storage/emulated/0/FFMpeg Example/video/movie_1615955101725.mp4"


-
ffmpeg - 'hevc' codec changed to 'rawvideo' after copying video codec
11 mars 2021, par Md YeaminI am trying to convert some
mkvvideos withhevccodec toaviformat. For this I run the following command :

ffmpeg -i input.mkv -vcodec copy -acodec copy out.avi


For some video this command works without any issue. But in some cases video does converted, but I can not play those files in any video player. I've tried several video players including VLC, SMPlayer, Deepin Movie etc.


After looking into the video codec of converted video I can see that the video codec got transformed from
hevctorawvideo. Hers is the stream information of the original and the converted video files :

Input File


ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
 configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --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-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
[matroska,webm @ 0x561d8e639600] Could not find codec parameters for stream 2 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, matroska,webm, from 'PE2_Leopard_4K_hevc_dts.mkv':
 Metadata:
 title : Planet Earth II S01E01 4K
 encoder : libebml v1.3.5 + libmatroska v1.4.8
 creation_time : 2017-10-29T06:31:02.000000Z
 Duration: 00:00:04.22, start: 0.000000, bitrate: 46848 kb/s
 Chapter #0:0: start 0.000000, end 4.216000
 Metadata:
 title : 00:00:00.000
 Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x2160 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 23.98 tbc (default)
 Metadata:
 BPS : 44365437
 BPS-eng : 44365437
 DURATION : 00:00:04.212000000
 DURATION-eng : 00:00:04.212000000
 NUMBER_OF_FRAMES: 101
 NUMBER_OF_FRAMES-eng: 101
 NUMBER_OF_BYTES : 23358403
 NUMBER_OF_BYTES-eng: 23358403
 _STATISTICS_WRITING_APP: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_APP-eng: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_DATE_UTC: 2017-10-29 06:31:02
 _STATISTICS_WRITING_DATE_UTC-eng: 2017-10-29 06:31:02
 _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 Stream #0:1(eng): Audio: dts (DTS-HD MA), 48000 Hz, 5.1(side), s16p (default)
 Metadata:
 title : DTS-HD MA 5.1
 BPS : 2506995
 BPS-eng : 2506995
 DURATION : 00:00:04.214000000
 DURATION-eng : 00:00:04.214000000
 NUMBER_OF_FRAMES: 395
 NUMBER_OF_FRAMES-eng: 395
 NUMBER_OF_BYTES : 1320560
 NUMBER_OF_BYTES-eng: 1320560
 _STATISTICS_WRITING_APP: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_APP-eng: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_DATE_UTC: 2017-10-29 06:31:02
 _STATISTICS_WRITING_DATE_UTC-eng: 2017-10-29 06:31:02
 _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 Stream #0:2(eng): Subtitle: hdmv_pgs_subtitle
 Metadata:
 title : English (SDH)
 BPS : 0
 BPS-eng : 0
 DURATION : 00:00:00.000000000
 DURATION-eng : 00:00:00.000000000
 NUMBER_OF_FRAMES: 0
 NUMBER_OF_FRAMES-eng: 0
 NUMBER_OF_BYTES : 0
 NUMBER_OF_BYTES-eng: 0
 _STATISTICS_WRITING_APP: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_APP-eng: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_DATE_UTC: 2017-10-29 06:31:02
 _STATISTICS_WRITING_DATE_UTC-eng: 2017-10-29 06:31:02
 _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES


Output File


ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
 configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --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-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
Input #0, avi, from 'out3.avi':
 Metadata:
 title : Planet Earth II S01E01 4K
 encoder : Lavf58.29.100
 Duration: 00:00:04.27, start: 0.000000, bitrate: 44226 kb/s
 Stream #0:0: Video: rawvideo, bgr24, 3840x2160, 44803 kb/s, SAR 1:1 DAR 16:9, 47.95 fps, 47.95 tbr, 47.95 tbn, 47.95 tbc
 Stream #0:1: Audio: aac (LC) ([255][0][0][0] / 0x00FF), 48000 Hz, 5.1(side), fltp, 394 kb/s
 Metadata:
 title : DTS-HD MA 5.1


Command Log


ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
 configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --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-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
[matroska,webm @ 0x55d6eebb8700] Could not find codec parameters for stream 2 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, matroska,webm, from 'PE2_Leopard_4K_hevc_dts.mkv':
 Metadata:
 title : Planet Earth II S01E01 4K
 encoder : libebml v1.3.5 + libmatroska v1.4.8
 creation_time : 2017-10-29T06:31:02.000000Z
 Duration: 00:00:04.22, start: 0.000000, bitrate: 46848 kb/s
 Chapter #0:0: start 0.000000, end 4.216000
 Metadata:
 title : 00:00:00.000
 Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x2160 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 23.98 tbc (default)
 Metadata:
 BPS : 44365437
 BPS-eng : 44365437
 DURATION : 00:00:04.212000000
 DURATION-eng : 00:00:04.212000000
 NUMBER_OF_FRAMES: 101
 NUMBER_OF_FRAMES-eng: 101
 NUMBER_OF_BYTES : 23358403
 NUMBER_OF_BYTES-eng: 23358403
 _STATISTICS_WRITING_APP: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_APP-eng: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_DATE_UTC: 2017-10-29 06:31:02
 _STATISTICS_WRITING_DATE_UTC-eng: 2017-10-29 06:31:02
 _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 Stream #0:1(eng): Audio: dts (DTS-HD MA), 48000 Hz, 5.1(side), s16p (default)
 Metadata:
 title : DTS-HD MA 5.1
 BPS : 2506995
 BPS-eng : 2506995
 DURATION : 00:00:04.214000000
 DURATION-eng : 00:00:04.214000000
 NUMBER_OF_FRAMES: 395
 NUMBER_OF_FRAMES-eng: 395
 NUMBER_OF_BYTES : 1320560
 NUMBER_OF_BYTES-eng: 1320560
 _STATISTICS_WRITING_APP: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_APP-eng: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_DATE_UTC: 2017-10-29 06:31:02
 _STATISTICS_WRITING_DATE_UTC-eng: 2017-10-29 06:31:02
 _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 Stream #0:2(eng): Subtitle: hdmv_pgs_subtitle
 Metadata:
 title : English (SDH)
 BPS : 0
 BPS-eng : 0
 DURATION : 00:00:00.000000000
 DURATION-eng : 00:00:00.000000000
 NUMBER_OF_FRAMES: 0
 NUMBER_OF_FRAMES-eng: 0
 NUMBER_OF_BYTES : 0
 NUMBER_OF_BYTES-eng: 0
 _STATISTICS_WRITING_APP: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_APP-eng: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_DATE_UTC: 2017-10-29 06:31:02
 _STATISTICS_WRITING_DATE_UTC-eng: 2017-10-29 06:31:02
 _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Output #0, avi, to 'output.avi':
 Metadata:
 INAM : Planet Earth II S01E01 4K
 ISFT : Lavf58.29.100
 Chapter #0:0: start 0.000000, end 4.216000
 Metadata:
 title : 00:00:00.000
 Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x2160 [SAR 1:1 DAR 16:9], q=2-31, 23.98 fps, 23.98 tbr, 47.95 tbn, 47.95 tbc (default)
 Metadata:
 BPS : 44365437
 BPS-eng : 44365437
 DURATION : 00:00:04.212000000
 DURATION-eng : 00:00:04.212000000
 NUMBER_OF_FRAMES: 101
 NUMBER_OF_FRAMES-eng: 101
 NUMBER_OF_BYTES : 23358403
 NUMBER_OF_BYTES-eng: 23358403
 _STATISTICS_WRITING_APP: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_APP-eng: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_DATE_UTC: 2017-10-29 06:31:02
 _STATISTICS_WRITING_DATE_UTC-eng: 2017-10-29 06:31:02
 _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 Stream #0:1(eng): Audio: dts (DTS-HD MA) ([1] [0][0] / 0x2001), 48000 Hz, 5.1(side), s16p (default)
 Metadata:
 title : DTS-HD MA 5.1
 BPS : 2506995
 BPS-eng : 2506995
 DURATION : 00:00:04.214000000
 DURATION-eng : 00:00:04.214000000
 NUMBER_OF_FRAMES: 395
 NUMBER_OF_FRAMES-eng: 395
 NUMBER_OF_BYTES : 1320560
 NUMBER_OF_BYTES-eng: 1320560
 _STATISTICS_WRITING_APP: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_APP-eng: mkvmerge v16.0.0 ('Protest') 64-bit
 _STATISTICS_WRITING_DATE_UTC: 2017-10-29 06:31:02
 _STATISTICS_WRITING_DATE_UTC-eng: 2017-10-29 06:31:02
 _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
 Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 101 fps=0.0 q=-1.0 Lsize= 28904kB time=00:00:04.20 bitrate=56322.1kbits/s speed= 119x 
video:22811kB audio:1290kB subtitle:0kB other streams:0kB global headers:1kB muxing overhead: 19.929108%


How to resolve this issue ?


-
ffmpeg ignores every framerate option, locking the result to 25 fps
1er août 2023, par Gouryffmpeg version 3.4.8-0ubuntu0.2 Copyright (c) 2000-2020 the FFmpeg developers


No matter what I do, ffmpeg just ignores everything and encodes it as if it's 25fps.

-framerate 60does nothing

-t 60does nothing

-r 60makes it to interpolate frames

-r:v 60does the same

-vf "fps=60"does the same

-vframes <actual number="number" of="of" frames="frames"></actual>makes it to end the encoding prematurely

Everything google shows seems to be outdated, including ffmpegs own documentation


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