[FFmpeg-trac] #7831(avformat:new): remuxing to HLS using "hls_segment_size" creates corrupted segments
FFmpeg
trac at avcodec.org
Mon Apr 8 13:22:17 EEST 2019
#7831: remuxing to HLS using "hls_segment_size" creates corrupted segments
------------------------------------+------------------------------------
Reporter: barsnick | Owner:
Type: defect | Status: new
Priority: normal | Component: avformat
Version: git-master | Resolution:
Keywords: hls | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
------------------------------------+------------------------------------
Comment (by stevenliu):
{{{
MacBook:dash StevenLiu$ ./ffmpeg -t 60 -f lavfi -i testsrc=s=1280x720
-vcodec libx264 -an -hls_list_size 0 -hls_segment_size 300000 -f hls
badmux_encode.m3u8
ffmpeg version N-93512-g8eca42e632 Copyright (c) 2000-2019 the FFmpeg
developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)
configuration: --enable-libass --enable-opengl --enable-libx264
--enable-libmp3lame --enable-gpl --enable-nonfree --prefix=/usr/local
--enable-libtesseract --enable-libspeex --enable-libfreetype --enable-
libfontconfig --enable-libfdk-aac --enable-videotoolbox --enable-libxml2
--enable-librsvg --enable-libvmaf --enable-version3
libavutil 56. 26.100 / 56. 26.100
libavcodec 58. 48.100 / 58. 48.100
libavformat 58. 26.101 / 58. 26.101
libavdevice 58. 7.100 / 58. 7.100
libavfilter 7. 48.100 / 7. 48.100
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
Input #0, lavfi, from 'testsrc=s=1280x720':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 1280x720
[SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x7fb55600ca00] using SAR=1/1
[libx264 @ 0x7fb55600ca00] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX AVX2 FMA3 LZCNT BMI2
[libx264 @ 0x7fb55600ca00] profile High 4:4:4 Predictive, level 3.1, 4:4:4
8-bit
[libx264 @ 0x7fb55600ca00] 264 - core 133 r2334M a3ac64b - H.264/MPEG-4
AVC codec - Copyleft 2003-2013 - 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=4 threads=6
lookahead_threads=1 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
[hls @ 0x7fb55600ae00] Opening 'badmux_encode0.ts' for writing
Output #0, hls, to 'badmux_encode.m3u8':
Metadata:
encoder : Lavf58.26.101
Stream #0:0: Video: h264 (libx264), yuv444p, 1280x720 [SAR 1:1 DAR
16:9], q=-1--1, 25 fps, 90k tbn, 25 tbc
Metadata:
encoder : Lavc58.48.100 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
[hls @ 0x7fb55600ae00] Opening 'badmux_encode.m3u8.tmp' for
writingeed=1.99x
[hls @ 0x7fb55600ae00] Opening 'badmux_encode1.ts' for writing/A
speed=2.03x
[hls @ 0x7fb55600ae00] Opening 'badmux_encode.m3u8.tmp' for writing
[hls @ 0x7fb55600ae00] Opening 'badmux_encode.m3u8.tmp' for
writingeed=2.11x
[hls @ 0x7fb55600ae00] Opening 'badmux_encode2.ts' for writing/A
speed=2.13x
[hls @ 0x7fb55600ae00] Opening 'badmux_encode.m3u8.tmp' for writing
[hls @ 0x7fb55600ae00] Opening 'badmux_encode.m3u8.tmp' for
writingeed=2.16x
[hls @ 0x7fb55600ae00] Opening 'badmux_encode.m3u8.tmp' for
writingeed=2.17x
frame= 1500 fps= 55 q=-1.0 Lsize=N/A time=00:00:59.92 bitrate=N/A speed=
2.2x
video:905kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
[libx264 @ 0x7fb55600ca00] frame I:6 Avg QP:15.82 size: 7870
[libx264 @ 0x7fb55600ca00] frame P:1494 Avg QP:15.88 size: 588
[libx264 @ 0x7fb55600ca00] mb I I16..4: 67.9% 27.6% 4.5%
[libx264 @ 0x7fb55600ca00] mb P I16..4: 2.7% 0.4% 0.0% P16..4: 4.5%
0.3% 0.0% 0.0% 0.0% skip:92.0%
[libx264 @ 0x7fb55600ca00] 8x8 transform intra:14.5% inter:79.9%
[libx264 @ 0x7fb55600ca00] coded y,u,v intra: 1.0% 0.8% 0.9% inter: 0.1%
0.2% 0.1%
[libx264 @ 0x7fb55600ca00] i16 v,h,dc,p: 76% 18% 0% 5%
[libx264 @ 0x7fb55600ca00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 70% 9% 20% 0%
0% 0% 0% 0% 0%
[libx264 @ 0x7fb55600ca00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 49% 32% 1%
0% 1% 0% 1% 1%
[libx264 @ 0x7fb55600ca00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7fb55600ca00] ref P L0: 60.1% 1.2% 28.4% 10.3%
[libx264 @ 0x7fb55600ca00] kb/s:123.53
MacBook:dash StevenLiu$ ./ffmpeg -i badmux_encode.m3u8 -f null -
ffmpeg version N-93512-g8eca42e632 Copyright (c) 2000-2019 the FFmpeg
developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)
configuration: --enable-libass --enable-opengl --enable-libx264
--enable-libmp3lame --enable-gpl --enable-nonfree --prefix=/usr/local
--enable-libtesseract --enable-libspeex --enable-libfreetype --enable-
libfontconfig --enable-libfdk-aac --enable-videotoolbox --enable-libxml2
--enable-librsvg --enable-libvmaf --enable-version3
libavutil 56. 26.100 / 56. 26.100
libavcodec 58. 48.100 / 58. 48.100
libavformat 58. 26.101 / 58. 26.101
libavdevice 58. 7.100 / 58. 7.100
libavfilter 7. 48.100 / 7. 48.100
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
[hls,applehttp @ 0x7fde85000000] Opening 'badmux_encode0.ts' for reading
Input #0, hls,applehttp, from 'badmux_encode.m3u8':
Duration: 00:01:00.00, start: 1.480000, bitrate: 0 kb/s
Program 0
Metadata:
variant_bitrate : 0
Stream #0:0: Video: h264 (High 4:4:4 Predictive) ([27][0][0][0] /
0x001B), yuv444p, 1280x720 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50
tbc
Metadata:
variant_bitrate : 0
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
Press [q] to stop, [?] for help
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf58.26.101
Stream #0:0: Video: wrapped_avframe, yuv444p, 1280x720 [SAR 1:1 DAR
16:9], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
Metadata:
variant_bitrate : 0
encoder : Lavc58.48.100 wrapped_avframe
[hls,applehttp @ 0x7fde85000000] Opening 'badmux_encode0.ts' for reading
[hls,applehttp @ 0x7fde85000000] Opening 'badmux_encode1.ts' for
reading5.5x
[h264 @ 0x7fde85811800] error while decoding MB 75 33, bytestream -5
[h264 @ 0x7fde85811800] concealing 934 DC, 934 AC, 934 MV errors in P
frame
[hls,applehttp @ 0x7fde85000000] Opening 'badmux_encode1.ts' for reading
[hls,applehttp @ 0x7fde85000000] Opening 'badmux_encode2.ts' for reading
[h264 @ 0x7fde8580e800] concealing 865 DC, 865 AC, 865 MV errors in P
frame
[hls,applehttp @ 0x7fde85000000] Opening 'badmux_encode2.ts' for reading
40x
frame= 1158 fps=683 q=-0.0 Lsize=N/A time=00:01:00.00 bitrate=N/A
speed=35.4x
video:606kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
MacBook:dash StevenLiu$
}}}
reproduced.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7831#comment:6>
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