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Langue : English
Type : Image
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Sur d’autres sites (12634)
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h264 extracting frames works only on certain operating system / ffmpeg version
15 juin 2018, par J. S.I have received parsed h264 data from my phone, and I am trying to extract frames from the data.
I used the following ffmpeg command lines :
ffmpeg -i temp.h264 -ss 5 -pix_fmt yuv420p -vframes 1 foo.yuv
ffmpeg -s 1280:720 -pix_fmt yuv420p -i foo.yuv output.jpgThis results in the right output image on Ubuntu (KDE neon User Edition 5.12) with ffmpeg version 2.8.14.
However, it does not work on macOS High Sierra (10.13.4) with ffmpeg version 4.0 and instead shows an output message :
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
I am not sure whether this is a mere ffmpeg version-related issue or not because as an experiment, when I converted the h264 data into mp4 format and played it on macOS High Sierra, the video sometimes shows a sequence of black distorted image (screenshot), and other times, a normal video.
If I play that same video on Ubuntu (KDE neon User Edition 5.12), the video plays perfectly.
I don’t understand why this problem would occur, and whether this has to do with OS or ffmpeg library version.
What would be some good ways to approach this problem ? Thanks.EDIT :
Full log of first ffmpeg command line (ubuntu) :
ffmpeg version 2.8.14-0ubuntu0.16.04.1 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 20160609
configuration: --prefix=/usr --extra-version=0ubuntu0.16.04.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv
libavutil 54. 31.100 / 54. 31.100
libavcodec 56. 60.100 / 56. 60.100
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 40.101 / 5. 40.101
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
[h264 @ 0x11ae2a0] error while decoding MB 54 2, bytestream -16
[h264 @ 0x11ae2a0] top block unavailable for requested intra4x4 mode -1 at 2 9
[h264 @ 0x11ae2a0] error while decoding MB 2 9, bytestream 6908
[h264 @ 0x11ae2a0] concealing 1275 DC, 1275 AC, 1275 MV errors in P frame
[h264 @ 0x11ae2a0] top block unavailable for requested intra4x4 mode -1 at 27 0
[h264 @ 0x11ae2a0] error while decoding MB 27 0, bytestream 5564
[h264 @ 0x11ae2a0] deblocking filter parameters 7 13 out of range
[h264 @ 0x11ae2a0] decode_slice_header error
[h264 @ 0x11ae2a0] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x11ae2a0] deblocking filter parameters 7 -14 out of range
[h264 @ 0x11ae2a0] decode_slice_header error
[h264 @ 0x11ae2a0] concealing 1387 DC, 1387 AC, 1387 MV errors in P frame
[h264 @ 0x11ae2a0] deblocking filter parameters -7 0 out of range
[h264 @ 0x11ae2a0] decode_slice_header error
[h264 @ 0x11ae2a0] concealing 1413 DC, 1413 AC, 1413 MV errors in P frame
[h264 @ 0x11ae2a0] top block unavailable for requested intra4x4 mode -1 at 9 0
[h264 @ 0x11ae2a0] error while decoding MB 9 0, bytestream 6647
[h264 @ 0x11ae2a0] concealing 1186 DC, 1186 AC, 1186 MV errors in P frame
[h264 @ 0x11ae2a0] top block unavailable for requested intra mode at 16 9
[h264 @ 0x11ae2a0] error while decoding MB 16 9, bytestream 6182
[h264 @ 0x11ae2a0] top block unavailable for requested intra4x4 mode -1 at 6 18
[h264 @ 0x11ae2a0] error while decoding MB 6 18, bytestream 7042
[h264 @ 0x11ae2a0] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x11ad340] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, h264, from 'temp.h264':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: h264 (High), yuvj420p(pc), 1280x720, 29.97 fps, 29.97 tbr, 1200k tbn, 59.94 tbc
[swscaler @ 0x1207dc0] deprecated pixel format used, make sure you did set range correctly
Output #0, rawvideo, to 'foo.yuv':
Metadata:
encoder : Lavf56.40.101
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1280x720, q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
Metadata:
encoder : Lavc56.60.100 rawvideo
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> rawvideo (native))
Press [q] to stop, [?] for help
[h264 @ 0x11f98a0] error while decoding MB 54 2, bytestream -16
[h264 @ 0x11f98a0] top block unavailable for requested intra4x4 mode -1 at 2 9
[h264 @ 0x11f98a0] error while decoding MB 2 9, bytestream 6908
[h264 @ 0x11f98a0] concealing 1275 DC, 1275 AC, 1275 MV errors in P frame
[h264 @ 0x12758e0] top block unavailable for requested intra4x4 mode -1 at 27 0
[h264 @ 0x12758e0] error while decoding MB 27 0, bytestream 5564
[h264 @ 0x12758e0] deblocking filter parameters 7 13 out of range
[h264 @ 0x12758e0] decode_slice_header error
[h264 @ 0x12758e0] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x11ffcc0] deblocking filter parameters 7 -14 out of range
[h264 @ 0x11ffcc0] decode_slice_header error
[h264 @ 0x11ffcc0] concealing 1387 DC, 1387 AC, 1387 MV errors in P frame
[h264 @ 0x11f98a0] deblocking filter parameters -7 0 out of range
[h264 @ 0x11f98a0] decode_slice_header error
[h264 @ 0x11f98a0] concealing 1413 DC, 1413 AC, 1413 MV errors in P frame
[h264 @ 0x12758e0] top block unavailable for requested intra4x4 mode -1 at 9 0
[h264 @ 0x12758e0] error while decoding MB 9 0, bytestream 6647
[h264 @ 0x12758e0] concealing 1186 DC, 1186 AC, 1186 MV errors in P frame
[h264 @ 0x11ffcc0] top block unavailable for requested intra mode at 16 9
[h264 @ 0x11ffcc0] error while decoding MB 16 9, bytestream 6182
[h264 @ 0x11ffcc0] top block unavailable for requested intra4x4 mode -1 at 6 18
[h264 @ 0x11ffcc0] error while decoding MB 6 18, bytestream 7042
[h264 @ 0x11ffcc0] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x11f98a0] top block unavailable for requested intra4x4 mode -1 at 12 9
[h264 @ 0x11f98a0] error while decoding MB 12 9, bytestream 6863
[h264 @ 0x11f98a0] concealing 1342 DC, 1342 AC, 1342 MV errors in P frame
[h264 @ 0x12758e0] top block unavailable for requested intra mode at 29 18
[h264 @ 0x12758e0] error while decoding MB 29 18, bytestream 6612
[h264 @ 0x12758e0] concealing 1405 DC, 1405 AC, 1405 MV errors in P frame
[h264 @ 0x11ffcc0] top block unavailable for requested intra mode at 25 9
[h264 @ 0x11ffcc0] error while decoding MB 25 9, bytestream 6051
[h264 @ 0x11ffcc0] top block unavailable for requested intra4x4 mode -1 at 70 18
[h264 @ 0x11ffcc0] error while decoding MB 70 18, bytestream 5089
[h264 @ 0x11ffcc0] concealing 1419 DC, 1419 AC, 1419 MV errors in P frame
[h264 @ 0x11f98a0] top block unavailable for requested intra mode at 14 9
[h264 @ 0x11f98a0] error while decoding MB 14 9, bytestream 6071
[h264 @ 0x11f98a0] deblocking filter parameters -9 0 out of range
[h264 @ 0x11f98a0] decode_slice_header error
[h264 @ 0x11f98a0] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x12758e0] top block unavailable for requested intra4x4 mode -1 at 54 9
[h264 @ 0x12758e0] error while decoding MB 54 9, bytestream 4423
[h264 @ 0x12758e0] concealing 1256 DC, 1256 AC, 1256 MV errors in P frame
[h264 @ 0x11ffcc0] top block unavailable for requested intra4x4 mode -1 at 22 9
[h264 @ 0x11ffcc0] error while decoding MB 22 9, bytestream 5861
[h264 @ 0x11ffcc0] concealing 1335 DC, 1335 AC, 1335 MV errors in P frame
[h264 @ 0x11f98a0] deblocking filter parameters 7 -4 out of range
[h264 @ 0x11f98a0] decode_slice_header error
[h264 @ 0x11f98a0] concealing 1430 DC, 1430 AC, 1430 MV errors in P frame
[h264 @ 0x12758e0] concealing 1319 DC, 1319 AC, 1319 MV errors in P frame
[h264 @ 0x11ffcc0] top block unavailable for requested intra4x4 mode -1 at 16 9
[h264 @ 0x11ffcc0] error while decoding MB 16 9, bytestream 6217
[h264 @ 0x11ffcc0] concealing 1416 DC, 1416 AC, 1416 MV errors in P frame
[h264 @ 0x11f98a0] top block unavailable for requested intra4x4 mode -1 at 12 0
[h264 @ 0x11f98a0] error while decoding MB 12 0, bytestream 6854
[h264 @ 0x11f98a0] top block unavailable for requested intra4x4 mode -1 at 2 9
[h264 @ 0x11f98a0] error while decoding MB 2 9, bytestream 7093
[h264 @ 0x11f98a0] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x12758e0] top block unavailable for requested intra4x4 mode -1 at 59 0
[h264 @ 0x12758e0] error while decoding MB 59 0, bytestream 4955
[h264 @ 0x12758e0] deblocking filter parameters 7 15 out of range
[h264 @ 0x12758e0] decode_slice_header error
[h264 @ 0x12758e0] concealing 1430 DC, 1430 AC, 1430 MV errors in P frame
[h264 @ 0x11ffcc0] top block unavailable for requested intra4x4 mode -1 at 34 0
[h264 @ 0x11ffcc0] error while decoding MB 34 0, bytestream 5338
[h264 @ 0x11ffcc0] deblocking filter parameters 7 13 out of range
[h264 @ 0x11ffcc0] decode_slice_header error
[h264 @ 0x11ffcc0] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x11ffcc0] Reinit context to 1280x720, pix_fmt: yuv420p
[h264 @ 0x11f98a0] concealing 1344 DC, 1344 AC, 1344 MV errors in P frame
[h264 @ 0x12758e0] top block unavailable for requested intra4x4 mode -1 at 49 9
[h264 @ 0x12758e0] error while decoding MB 49 9, bytestream 4993
[h264 @ 0x12758e0] concealing 1228 DC, 1228 AC, 1228 MV errors in P frame
Input stream #0:0 frame changed from size:1280x720 fmt:yuvj420p to size:1280x720 fmt:yuv420p
frame= 1 fps=0.6 q=-0.0 Lsize= 1350kB time=00:00:04.93 bitrate=2239.5kbits/s
video:1350kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000%Full log of first ffmpeg command line (macOS) :
ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers
built with Apple LLVM version 9.1.0 (clang-902.0.39.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/4.0 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
libavutil 56. 14.100 / 56. 14.100
libavcodec 58. 18.100 / 58. 18.100
libavformat 58. 12.100 / 58. 12.100
libavdevice 58. 3.100 / 58. 3.100
libavfilter 7. 16.100 / 7. 16.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 1.100 / 5. 1.100
libswresample 3. 1.100 / 3. 1.100
libpostproc 55. 1.100 / 55. 1.100
[h264 @ 0x7fcb3880b600] error while decoding MB 54 2, bytestream -14
[h264 @ 0x7fcb3880b600] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb3880b600] error while decoding MB 2 9, bytestream 6908
[h264 @ 0x7fcb3880b600] concealing 1275 DC, 1275 AC, 1275 MV errors in P frame
[h264 @ 0x7fcb3880b600] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb3880b600] error while decoding MB 27 0, bytestream 5564
[h264 @ 0x7fcb3880b600] deblocking filter parameters 7 13 out of range
[h264 @ 0x7fcb3880b600] decode_slice_header error
[h264 @ 0x7fcb3880b600] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x7fcb3880b600] deblocking filter parameters 7 -14 out of range
[h264 @ 0x7fcb3880b600] decode_slice_header error
[h264 @ 0x7fcb3880b600] concealing 1387 DC, 1387 AC, 1387 MV errors in P frame
[h264 @ 0x7fcb3880b600] deblocking filter parameters -7 0 out of range
[h264 @ 0x7fcb3880b600] decode_slice_header error
[h264 @ 0x7fcb3880b600] concealing 1413 DC, 1413 AC, 1413 MV errors in P frame
[h264 @ 0x7fcb3880b600] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb3880b600] error while decoding MB 9 0, bytestream 6647
[h264 @ 0x7fcb3880b600] concealing 1186 DC, 1186 AC, 1186 MV errors in P frame
[h264 @ 0x7fcb3880b600] top block unavailable for requested intra mode
[h264 @ 0x7fcb3880b600] error while decoding MB 16 9, bytestream 6183
[h264 @ 0x7fcb3880b600] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb3880b600] error while decoding MB 6 18, bytestream 7043
[h264 @ 0x7fcb3880b600] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x7fcb39000400] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, h264, from 'temp.h264':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: h264 (High), yuvj420p(pc, progressive), 1280x720, 29.97 fps, 29.97 tbr, 1200k tbn, 59.94 tbc
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> rawvideo (native))
Press [q] to stop, [?] for help
[h264 @ 0x7fcb38003800] error while decoding MB 54 2, bytestream -14
[h264 @ 0x7fcb38003800] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003800] error while decoding MB 2 9, bytestream 6908
[h264 @ 0x7fcb38003800] concealing 1275 DC, 1275 AC, 1275 MV errors in P frame
[h264 @ 0x7fcb38003e00] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003e00] error while decoding MB 27 0, bytestream 5564
[h264 @ 0x7fcb38003e00] deblocking filter parameters 7 13 out of range
[h264 @ 0x7fcb38003e00] decode_slice_header error
[h264 @ 0x7fcb38003e00] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[swscaler @ 0x7fcb3817aa00] deprecated pixel format used, make sure you did set range correctly
[h264 @ 0x7fcb3809c000] deblocking filter parameters 7 -14 out of range
[h264 @ 0x7fcb3809c000] decode_slice_header error
[h264 @ 0x7fcb3809c000] concealing 1387 DC, 1387 AC, 1387 MV errors in P frame
Output #0, rawvideo, to 'foo.yuv':
Metadata:
encoder : Lavf58.12.100
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1280x720, q=2-31, 331444 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
Metadata:
encoder : Lavc58.18.100 rawvideo
[h264 @ 0x7fcb3809c600] deblocking filter parameters -7 0 out of range
[h264 @ 0x7fcb3809c600] decode_slice_header error
[h264 @ 0x7fcb3809c600] concealing 1413 DC, 1413 AC, 1413 MV errors in P frame
[h264 @ 0x7fcb38003200] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003200] error while decoding MB 9 0, bytestream 6647
[h264 @ 0x7fcb38003200] concealing 1186 DC, 1186 AC, 1186 MV errors in P frame
[h264 @ 0x7fcb38003800] top block unavailable for requested intra mode
[h264 @ 0x7fcb38003800] error while decoding MB 16 9, bytestream 6183
[h264 @ 0x7fcb38003800] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003800] error while decoding MB 6 18, bytestream 7043
[h264 @ 0x7fcb38003800] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x7fcb38003e00] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003e00] error while decoding MB 12 9, bytestream 6862
[h264 @ 0x7fcb38003e00] concealing 1342 DC, 1342 AC, 1342 MV errors in P frame
[h264 @ 0x7fcb3809c000] top block unavailable for requested intra mode
[h264 @ 0x7fcb3809c000] error while decoding MB 29 18, bytestream 6612
[h264 @ 0x7fcb3809c000] concealing 1405 DC, 1405 AC, 1405 MV errors in P frame
[h264 @ 0x7fcb3809c600] top block unavailable for requested intra mode
[h264 @ 0x7fcb3809c600] error while decoding MB 25 9, bytestream 6050
[h264 @ 0x7fcb3809c600] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb3809c600] error while decoding MB 70 18, bytestream 5089
[h264 @ 0x7fcb3809c600] concealing 1419 DC, 1419 AC, 1419 MV errors in P frame
[h264 @ 0x7fcb38003200] top block unavailable for requested intra mode
[h264 @ 0x7fcb38003200] error while decoding MB 14 9, bytestream 6071
[h264 @ 0x7fcb38003200] deblocking filter parameters -9 0 out of range
[h264 @ 0x7fcb38003200] decode_slice_header error
[h264 @ 0x7fcb38003200] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x7fcb38003800] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003800] error while decoding MB 54 9, bytestream 4423
[h264 @ 0x7fcb38003800] concealing 1256 DC, 1256 AC, 1256 MV errors in P frame
[h264 @ 0x7fcb38003e00] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003e00] error while decoding MB 22 9, bytestream 5862
[h264 @ 0x7fcb38003e00] concealing 1335 DC, 1335 AC, 1335 MV errors in P frame
[h264 @ 0x7fcb3809c000] deblocking filter parameters 7 -4 out of range
[h264 @ 0x7fcb3809c000] decode_slice_header error
[h264 @ 0x7fcb3809c000] concealing 1430 DC, 1430 AC, 1430 MV errors in P frame
[h264 @ 0x7fcb3809c600] concealing 1319 DC, 1319 AC, 1319 MV errors in P frame
[h264 @ 0x7fcb38003200] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003200] error while decoding MB 16 9, bytestream 6217
[h264 @ 0x7fcb38003200] concealing 1416 DC, 1416 AC, 1416 MV errors in P frame
[h264 @ 0x7fcb38003800] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003800] error while decoding MB 12 0, bytestream 6854
[h264 @ 0x7fcb38003800] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003800] error while decoding MB 2 9, bytestream 7093
[h264 @ 0x7fcb38003800] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x7fcb38003e00] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003e00] error while decoding MB 59 0, bytestream 4955
[h264 @ 0x7fcb38003e00] deblocking filter parameters 7 15 out of range
[h264 @ 0x7fcb38003e00] decode_slice_header error
[h264 @ 0x7fcb38003e00] concealing 1430 DC, 1430 AC, 1430 MV errors in P frame
[h264 @ 0x7fcb3809c000] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb3809c000] error while decoding MB 34 0, bytestream 5338
[h264 @ 0x7fcb3809c000] deblocking filter parameters 7 13 out of range
[h264 @ 0x7fcb3809c000] decode_slice_header error
[h264 @ 0x7fcb3809c000] concealing 1440 DC, 1440 AC, 1440 MV errors in P frame
[h264 @ 0x7fcb3809c600] concealing 1344 DC, 1344 AC, 1344 MV errors in P frame
[h264 @ 0x7fcb38003200] top block unavailable for requested intra mode -1
[h264 @ 0x7fcb38003200] error while decoding MB 49 9, bytestream 4992
[h264 @ 0x7fcb38003200] concealing 1228 DC, 1228 AC, 1228 MV errors in P frame
frame= 0 fps=0.0 q=0.0 Lsize= 0kB time=00:00:00.00 bitrate=N/A speed= 0x
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used) -
hls.js starting a beginning with ANDROID mobile (chrome, webview also) and not live *** but works very nice in deskto, ios .. hls.js 1.0.0 2021-04-01
27 avril 2021, par JintorI'm streaming a .m3u8 with the latest hls.js 1.0.0 (not rc) but version of 2021-04-01...


example : the stream began at 5pm, and now it's 5:15 pm...


the stream start at live point in almost all browsers


The pattern I see here : ALL browsers in android (tested in Android 10) won't start at live point, only at 0...


I did all the tests


• Safari desktop => stream live at 5:15


• Safari mobile => stream live at 5:15


• WebView (Android) => ••• ISSUE : the player starts the stream at 0 (5pm)


• WKWebView (apple IOS iphone,ipad) => stream live at 5:15


• Chrome Desktop (mac/win) => stream live at 5:15


• Chrome MOBILE (Android) => ••• ISSUE : the player starts the stream at 0 (5pm)


• Chrome MOBILE (iPhone) => stream live at 5:15


• Microsoft EDGE Desktop => stream live at 5:15


• Microsoft EDGE mobile (android) => ••• ISSUE : the player starts the stream at 0 (5pm)


• Firefox Desktop (mac/win) => stream live at 5:15


• Opera Desktop (mac/win) => stream live at 5:15


• Opera Mini (iPhone) => stream live at 5:15


• Opera Mini (android) => ••• ISSUE : the player starts the stream at 0 (5pm)


• Brave Desktop (mac/win) => stream live at 5:15


• Brave Mobile (iPhone) => stream live at 5:15


• Brave Mobile (android) => ••• ISSUE : the player starts the stream at 0 (5pm)


This code


<code class="echappe-js"><script src="https://cdn.jsdelivr.net/npm/hls.js@latest"></script>



<script>&#xA; var video = document.getElementById("video");&#xA; var videoSrc = "https://www.example1.com/streaming/index.m3u8";&#xA; if (video.canPlayType("application/vnd.apple.mpegurl")) {&#xA; video.src = videoSrc;&#xA; } else if (Hls.isSupported()) {&#xA; var config = {&#xA; autoStartLoad: true,&#xA; startPosition: -1,&#xA; debug: false,&#xA; capLevelOnFPSDrop: false,&#xA; capLevelToPlayerSize: false,&#xA; defaultAudioCodec: undefined,&#xA; initialLiveManifestSize: 1,&#xA; maxBufferLength: 30,&#xA; maxMaxBufferLength: 500,&#xA; backBufferLength: Infinity,&#xA; maxBufferSize: 60 * 1000 * 1000,&#xA; maxBufferHole: 0.5,&#xA; highBufferWatchdogPeriod: 2,&#xA; nudgeOffset: 0.1,&#xA; nudgeMaxRetry: 3,&#xA; maxFragLookUpTolerance: 0.25,&#xA; liveSyncDurationCount: 3,&#xA; liveMaxLatencyDurationCount: Infinity,&#xA; liveDurationInfinity: false,&#xA; enableWorker: true,&#xA; enableSoftwareAES: true,&#xA; manifestLoadingTimeOut: 10000,&#xA; manifestLoadingMaxRetry: 1,&#xA; manifestLoadingRetryDelay: 1000,&#xA; manifestLoadingMaxRetryTimeout: 64000,&#xA; startLevel: undefined,&#xA; levelLoadingTimeOut: 10000,&#xA; levelLoadingMaxRetry: 4,&#xA; levelLoadingRetryDelay: 1000,&#xA; levelLoadingMaxRetryTimeout: 64000,&#xA; fragLoadingTimeOut: 20000,&#xA; fragLoadingMaxRetry: 6,&#xA; fragLoadingRetryDelay: 1000,&#xA; fragLoadingMaxRetryTimeout: 64000,&#xA; startFragPrefetch: false,&#xA; testBandwidth: true,&#xA; progressive: false,&#xA; lowLatencyMode: true,&#xA; fpsDroppedMonitoringPeriod: 5000,&#xA; fpsDroppedMonitoringThreshold: 0.2,&#xA; appendErrorMaxRetry: 3,&#xA; enableWebVTT: true,&#xA; enableIMSC1: true,&#xA; enableCEA708Captions: true,&#xA; stretchShortVideoTrack: false,&#xA; maxAudioFramesDrift: 1,&#xA; forceKeyFrameOnDiscontinuity: true,&#xA; abrEwmaFastLive: 3.0,&#xA; abrEwmaSlowLive: 9.0,&#xA; abrEwmaFastVoD: 3.0,&#xA; abrEwmaSlowVoD: 9.0,&#xA; abrEwmaDefaultEstimate: 500000,&#xA; abrBandWidthFactor: 0.95,&#xA; abrBandWidthUpFactor: 0.7,&#xA; abrMaxWithRealBitrate: false,&#xA; maxStarvationDelay: 4,&#xA; maxLoadingDelay: 4,&#xA; minAutoBitrate: 0,&#xA; emeEnabled: false&#xA; };&#xA; var hls = new Hls(config);&#xA; hls.loadSource(videoSrc);&#xA; hls.attachMedia(video);&#xA; } &#xA; video.addEventListener("loadedmetadata", function(){ video.muted = true; video.play(); }, false);&#xA; </script>



// here I added video.muted = true ; video.play() ; to auto start, if I try to autoplay unmuted, many browsers refuse this command...


// playsinline="true" is NEEDED for safari


••••••• THE FFMPEG COMMAND (working : it allows me to have 3 to 4 seconds delay ••••••


ffmpeg -re -i input.x -c:a aac -c:v libx264 
-movflags +dash -preset ultrafast 
-crf 28 -refs 4 -qmin 4 -pix_fmt yuv420p 
-tune zerolatency -c:a aac -ac 2 -profile:v main 
-flags -global_header -bufsize 969k 
-hls_time 1 -hls_list_size 0 -g 30 
-start_number 0 -streaming 1 -hls_playlist 1 
-lhls 1 -hls_playlist_type event -f hls path_to_index.m3u8



•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••


How can this be fixed ?


How can I make play at live point on load in android MOBILE ?


-
FFMPEG - latest build doesn't work, earlier build does
21 juin 2020, par rossmcmI have been using FFMPEG to overlay coloured rectangles on a video. I updated FFMPEG and it no longer works. No error is issued, it just doesn't do the job - the resulting video is the same as the input video. Here's the script :


FFMpeg -y -i Input.mp4 -filter_complex \
 "nullsrc=size=1920x1080, \
 drawbox=x=200:y=100:w=300:h=150:t=20:c=yellow, fade=in:st=10:d=1:alpha=1, fade=out:st=20:d=2:alpha=1 [tmp1]; \ 
 nullsrc=size=1920x1080, \
 drawbox=x=240:y=140:w=300:h=150:t=20:c=red, fade=in:st=15:d=1:alpha=1, fade=out:st=25:d=2:alpha=1 [tmp2]; \
 [tmp1][tmp2] overlay=0:0:shortest=1[tmp3]; \
 [0:v][tmp3] overlay=0:0:shortest=1" \
 Output.mp4



The output video should be the input video with a yellow rectangle added from T=10 to T=20 and a red rectangle from T=15 to T=25, fading them in and out.


The version that was working (3.4) was one that came with an ImageMagick installation. The version I updated it to was 4.2.3. I tried it on various other builds I had lying around and it only works with 3.4.


It seems unlikely that this is a regression so I haven't submitted a bug report. I figure it's more likely that I'm not doing something correctly and 3.4 is more lenient on its interpretation of my command.


Whatever, I prefer to be working with a current build, so I invite comments on what the reasons might be.


Console dump of 3.4 run


ffmpeg version 3.4 Copyright (c) 2000-2017 the FFmpeg developers
 built with gcc 7.2.0 (GCC)
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-cuda --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth --enable-libmfx
 libavutil 55. 78.100 / 55. 78.100
 libavcodec 57.107.100 / 57.107.100
 libavformat 57. 83.100 / 57. 83.100
 libavdevice 57. 10.100 / 57. 10.100
 libavfilter 6.107.100 / 6.107.100
 libswscale 4. 8.100 / 4. 8.100
 libswresample 2. 9.100 / 2. 9.100
 libpostproc 54. 7.100 / 54. 7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Input.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.29.100
 Duration: 00:01:48.67, start: 0.000000, bitrate: 1693 kb/s
 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 1562 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, 126 kb/s (default)
 Metadata:
 handler_name : SoundHandler
Stream mapping:
 Stream #0:0 (h264) -> overlay:main (graph 0)
 overlay (graph 0) -> Stream #0:0 (libx264)
 Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 000001f0d4a0e6a0] using SAR=1/1
[libx264 @ 000001f0d4a0e6a0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 000001f0d4a0e6a0] profile High, level 4.0
[libx264 @ 000001f0d4a0e6a0] 264 - core 152 r2851 ba24899 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'Output-34.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf57.83.100
 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
 Metadata:
 encoder : Lavc57.107.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 encoder : Lavc57.107.100 aac
frame= 3260 fps= 25 q=-1.0 Lsize= 21461kB time=00:01:48.56 bitrate=1619.3kbits/s speed=0.828x
video:19713kB audio:1634kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.534457%
[libx264 @ 000001f0d4a0e6a0] frame I:14 Avg QP:17.68 size:208205
[libx264 @ 000001f0d4a0e6a0] frame P:844 Avg QP:21.55 size: 16867
[libx264 @ 000001f0d4a0e6a0] frame B:2402 Avg QP:28.40 size: 1263
[libx264 @ 000001f0d4a0e6a0] consecutive B-frames: 0.7% 2.9% 0.4% 96.0%
[libx264 @ 000001f0d4a0e6a0] mb I I16..4: 14.0% 39.6% 46.4%
[libx264 @ 000001f0d4a0e6a0] mb P I16..4: 0.4% 0.7% 0.2% P16..4: 20.2% 9.1% 4.6% 0.0% 0.0% skip:64.8%
[libx264 @ 000001f0d4a0e6a0] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 12.4% 0.4% 0.1% direct: 0.1% skip:87.1% L0:42.9% L1:55.2% BI: 1.9%
[libx264 @ 000001f0d4a0e6a0] 8x8 transform intra:45.2% inter:68.3%
[libx264 @ 000001f0d4a0e6a0] coded y,uvDC,uvAC intra: 64.4% 81.6% 45.1% inter: 2.9% 4.2% 0.1%
[libx264 @ 000001f0d4a0e6a0] i16 v,h,dc,p: 32% 26% 6% 37%
[libx264 @ 000001f0d4a0e6a0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 20% 15% 5% 6% 7% 7% 7% 8%
[libx264 @ 000001f0d4a0e6a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 28% 8% 4% 6% 6% 6% 5% 5%
[libx264 @ 000001f0d4a0e6a0] i8c dc,h,v,p: 37% 25% 28% 10%
[libx264 @ 000001f0d4a0e6a0] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 000001f0d4a0e6a0] ref P L0: 70.4% 15.3% 10.8% 3.5%
[libx264 @ 000001f0d4a0e6a0] ref B L0: 93.1% 6.0% 0.9%
[libx264 @ 000001f0d4a0e6a0] ref B L1: 97.8% 2.2%
[libx264 @ 000001f0d4a0e6a0] kb/s:1486.03
[aac @ 000001f0d4a10a20] Qavg: 1586.609



And 4.2.3


ffmpeg version 4.2.3 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9.3.1 (GCC) 20200523
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
 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
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Input.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.29.100
 Duration: 00:01:48.67, start: 0.000000, bitrate: 1693 kb/s
 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 1562 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, 126 kb/s (default)
 Metadata:
 handler_name : SoundHandler
Stream mapping:
 Stream #0:0 (h264) -> overlay:main (graph 0)
 overlay (graph 0) -> Stream #0:0 (libx264)
 Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 000001e7b4531d40] using SAR=1/1
[libx264 @ 000001e7b4531d40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 000001e7b4531d40] profile High, level 4.0, 4:2:0, 8-bit
[libx264 @ 000001e7b4531d40] 264 - core 160 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'Output-423.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.29.100
 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
 Metadata:
 encoder : Lavc58.54.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 encoder : Lavc58.54.100 aac
frame= 3260 fps= 28 q=-1.0 Lsize= 21425kB time=00:01:48.56 bitrate=1616.7kbits/s speed=0.917x
video:19686kB audio:1625kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.535352%
[libx264 @ 000001e7b4531d40] frame I:14 Avg QP:17.68 size:208355
[libx264 @ 000001e7b4531d40] frame P:844 Avg QP:21.54 size: 16838
[libx264 @ 000001e7b4531d40] frame B:2402 Avg QP:28.43 size: 1261
[libx264 @ 000001e7b4531d40] consecutive B-frames: 0.7% 2.9% 0.4% 96.0%
[libx264 @ 000001e7b4531d40] mb I I16..4: 13.9% 39.7% 46.4%
[libx264 @ 000001e7b4531d40] mb P I16..4: 0.4% 0.7% 0.2% P16..4: 20.2% 9.1% 4.6% 0.0% 0.0% skip:64.8%
[libx264 @ 000001e7b4531d40] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 12.4% 0.4% 0.1% direct: 0.1% skip:87.1% L0:42.9% L1:55.2% BI: 1.9%
[libx264 @ 000001e7b4531d40] 8x8 transform intra:45.3% inter:68.3%
[libx264 @ 000001e7b4531d40] coded y,uvDC,uvAC intra: 65.2% 82.4% 45.8% inter: 2.9% 4.2% 0.1%
[libx264 @ 000001e7b4531d40] i16 v,h,dc,p: 32% 24% 6% 38%
[libx264 @ 000001e7b4531d40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 19% 14% 5% 6% 7% 7% 7% 8%
[libx264 @ 000001e7b4531d40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 28% 8% 4% 6% 6% 6% 5% 5%
[libx264 @ 000001e7b4531d40] i8c dc,h,v,p: 37% 24% 28% 11%
[libx264 @ 000001e7b4531d40] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 000001e7b4531d40] ref P L0: 70.4% 15.3% 10.8% 3.5%
[libx264 @ 000001e7b4531d40] ref B L0: 93.1% 6.0% 0.9%
[libx264 @ 000001e7b4531d40] ref B L1: 97.8% 2.2%
[libx264 @ 000001e7b4531d40] kb/s:1483.98
[aac @ 000001e7b47fa800] Qavg: 1462.566