[FFmpeg-trac] #7831(avformat:new): remuxing to HLS using "hls_segment_size" creates corrupted segments
FFmpeg
trac at avcodec.org
Mon Apr 8 13:17:44 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 -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':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240
[SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x7fbe8c00f400] using SAR=1/1
[libx264 @ 0x7fbe8c00f400] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX AVX2 FMA3 LZCNT BMI2
[libx264 @ 0x7fbe8c00f400] profile High 4:4:4 Predictive, level 1.3, 4:4:4
8-bit
[libx264 @ 0x7fbe8c00f400] 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 @ 0x7fbe8c00de00] 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, 320x240 [SAR 1:1 DAR
4:3], 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 @ 0x7fbe8c00de00] Opening 'badmux_encode.m3u8.tmp' for writing
[hls @ 0x7fbe8c00de00] Opening 'badmux_encode.m3u8.tmp' for
writingeed=19.9x
[hls @ 0x7fbe8c00de00] Opening 'badmux_encode.m3u8.tmp' for
writingeed=23.5x
[hls @ 0x7fbe8c00de00] Opening 'badmux_encode1.ts' for writing/A
speed=24.7x
[hls @ 0x7fbe8c00de00] Opening 'badmux_encode.m3u8.tmp' for writing
Last message repeated 1 times
[hls @ 0x7fbe8c00de00] Opening 'badmux_encode.m3u8.tmp' for
writingeed=25.3x
frame= 1500 fps=644 q=-1.0 Lsize=N/A time=00:00:59.92 bitrate=N/A
speed=25.7x
video:267kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
[libx264 @ 0x7fbe8c00f400] frame I:6 Avg QP:20.34 size: 3299
[libx264 @ 0x7fbe8c00f400] frame P:453 Avg QP:14.64 size: 444
[libx264 @ 0x7fbe8c00f400] frame B:1041 Avg QP:14.17 size: 50
[libx264 @ 0x7fbe8c00f400] consecutive B-frames: 7.3% 0.1% 0.8% 91.7%
[libx264 @ 0x7fbe8c00f400] mb I I16..4: 48.4% 21.8% 29.8%
[libx264 @ 0x7fbe8c00f400] mb P I16..4: 1.8% 1.5% 0.8% P16..4: 7.3%
3.7% 2.5% 0.0% 0.0% skip:82.3%
[libx264 @ 0x7fbe8c00f400] mb B I16..4: 0.2% 0.1% 0.0% B16..8: 4.1%
0.1% 0.0% direct: 0.1% skip:95.5% L0:49.0% L1:46.6% BI: 4.3%
[libx264 @ 0x7fbe8c00f400] 8x8 transform intra:33.9% inter:40.5%
[libx264 @ 0x7fbe8c00f400] coded y,u,v intra: 10.0% 10.5% 9.0% inter: 0.8%
0.8% 0.7%
[libx264 @ 0x7fbe8c00f400] i16 v,h,dc,p: 52% 29% 3% 16%
[libx264 @ 0x7fbe8c00f400] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 65% 4% 31% 0%
0% 0% 0% 0% 0%
[libx264 @ 0x7fbe8c00f400] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 56% 11% 1%
1% 1% 0% 1% 0%
[libx264 @ 0x7fbe8c00f400] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7fbe8c00f400] ref P L0: 68.8% 6.7% 20.2% 4.3%
[libx264 @ 0x7fbe8c00f400] ref B L0: 58.5% 37.2% 4.3%
[libx264 @ 0x7fbe8c00f400] ref B L1: 97.1% 2.9%
[libx264 @ 0x7fbe8c00f400] kb/s:36.43
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 @ 0x7fe90d00aa00] 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, 320x240 [SAR 1:1 DAR 4:3], 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, 320x240 [SAR 1:1 DAR
4:3], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
Metadata:
variant_bitrate : 0
encoder : Lavc58.48.100 wrapped_avframe
[hls,applehttp @ 0x7fe90d00aa00] Opening 'badmux_encode0.ts' for reading
Last message repeated 2 times
[hls,applehttp @ 0x7fe90d00aa00] Opening 'badmux_encode1.ts' for reading
Last message repeated 1 times
frame= 1323 fps=0.0 q=-0.0 Lsize=N/A time=00:01:00.00 bitrate=N/A speed=
204x
video:693kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
MacBook:dash StevenLiu$
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7831#comment:5>
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