#7024: HLS: I receive "Can't deal with multiple sample timings per sample 
buffer"
from mediaStreamValidator
-------------------------------------+-------------------------------------
             Reporter:  loki5100     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by loki5100):

 thanks ceyoyo, with the git version i have another problem when i use hevc
 ( https://trac.ffmpeg.org/ticket/7023#ticket ), however when i use x264 i
 can reproduce it :


 {{{
 C:\Temp\ffmpeg>ffmpeg.exe -i
 
"http://distribution.bbb3d.renderfarming.net/video/mp4/bbb_sunflower_1080p_30fps_normal.mp4";
 -loglevel verbose -c:a aac -b:a 128k -
 c:v libx264 -b:v 4977k -maxrate 4977k -bufsize 7466k -x264opts "keyint=60
 :min-keyint=60:scenecut=0" -r 483570000/16117951 -t 30 -sn -movflags
 faststart -preset
 ultrafast -pix_fmt yuv420p -hls_time 4 -hls_segment_type fmp4
 -hls_list_size 0 -hls_fmp4_init_filename C:\temp\ffmpeg\bbb_init.mp4
 C:\temp\ffmpeg\bbb.m3u8
 ffmpeg version N-90056-gdc77e64f2d Copyright (c) 2000-2018 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-libblur
 ay --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb
 --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
 libshine --enab
 le-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
 --enable-libx265 --en
 able-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp
 --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-
 libmysofa --enabl
 e-libspeex --enable-libxvid --enable-libmfx --enable-amf --enable-cuda
 --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-
 avisynth
   libavutil      56.  7.101 / 56.  7.101
   libavcodec     58. 11.101 / 58. 11.101
   libavformat    58.  9.100 / 58.  9.100
   libavdevice    58.  1.100 / 58.  1.100
   libavfilter     7. 12.100 /  7. 12.100
   libswscale      5.  0.101 /  5.  0.101
   libswresample   3.  0.101 /  3.  0.101
   libpostproc    55.  0.100 / 55.  0.100
 [h264 @ 00000042f3c40c00] Reinit context to 1920x1088, pix_fmt: yuv420p
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
 
'http://distribution.bbb3d.renderfarming.net/video/mp4/bbb_sunflower_1080p_30fps_normal.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 1
     compatible_brands: isomavc1
     creation_time   : 2013-12-16T17:44:39.000000Z
     title           : Big Buck Bunny, Sunflower version
     artist          : Blender Foundation 2008, Janus Bager Kristensen 2013
     comment         : Creative Commons Attribution 3.0 -
 http://bbb3d.renderfarming.net
     genre           : Animation
     composer        : Sacha Goedegebure
   Duration: 00:10:34.53, start: 0.000000, bitrate: 3481 kb/s
     Stream #0:0(und): Video: h264 (High), 1 reference frame (avc1 /
 0x31637661), yuv420p(left), 1920x1080 (1920x1088) [SAR 1:1 DAR 16:9], 2998
 kb/s, 30 fps, 30
 tbr, 30k tbn, 60 tbc (default)
     Metadata:
       creation_time   : 2013-12-16T17:44:39.000000Z
       handler_name    : GPAC ISO Video Handler
     Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo,
 s16p, 160 kb/s (default)
     Metadata:
       creation_time   : 2013-12-16T17:44:42.000000Z
       handler_name    : GPAC ISO Audio Handler
     Stream #0:2(und): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, 5.1(side),
 fltp, 320 kb/s (default)
     Metadata:
       creation_time   : 2013-12-16T17:44:42.000000Z
       handler_name    : GPAC ISO Audio Handler
     Side data:
       audio service type: main
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
   Stream #0:2 -> #0:1 (ac3 (native) -> aac (native))
 Press [q] to stop, [?] for help
 [h264 @ 00000042f3c2af40] Reinit context to 1920x1088, pix_fmt: yuv420p
 [graph 0 input from stream 0:0 @ 00000042f444ccc0] w:1920 h:1080
 pixfmt:yuv420p tb:1/30000 fr:30/1 sar:1/1 sws_param:flags=2
 [libx264 @ 00000042f3c4a000] using SAR=1/1
 [libx264 @ 00000042f3c4a000] using cpu capabilities: MMX2 SSE2Fast SSSE3
 SSE4.2 AVX FMA3 BMI2 AVX2
 [libx264 @ 00000042f3c4a000] profile Constrained Baseline, level 4.0
 [libx264 @ 00000042f3c4a000] 264 - core 155 r2901 7d0ff22 - H.264/MPEG-4
 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html -
 options: cabac=0 r
 ef=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=1 8x8dct=0 cqm=0
 deadzone=21,11 fast_pskip=1 ch
 roma_qp_offset=0 threads=12 lookahead_threads=2 sliced_threads=0 nr=0
 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0
 weightp=0 keyint=60
 keyint_min=31 scenecut=0 intra_refresh=0 rc_lookahead=0 rc=cbr mbtree=0
 bitrate=4977 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4
 vbv_maxrate=4977 vbv_bufsi
 ze=7466 nal_hrd=none filler=0 ip_ratio=1.40 aq=0
 *** 2 dup!
 [graph_1_in_0_2 @ 00000042f8bcee00] tb:1/48000 samplefmt:fltp
 samplerate:48000 chlayout:0x60f
 [aac @ 00000042f4747b40] Using a PCE to encode channel layout
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb_init.mp4' for writing
 Output #0, hls, to 'C:\temp\ffmpeg\bbb.m3u8':
   Metadata:
     major_brand     : isom
     minor_version   : 1
     compatible_brands: isomavc1
     composer        : Sacha Goedegebure
     title           : Big Buck Bunny, Sunflower version
     artist          : Blender Foundation 2008, Janus Bager Kristensen 2013
     comment         : Creative Commons Attribution 3.0 -
 http://bbb3d.renderfarming.net
     genre           : Animation
     encoder         : Lavf58.9.100
     Stream #0:0(und): Video: h264 (libx264), 1 reference frame,
 yuv420p(progressive, left), 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 4977
 kb/s, 30 fps, 998795.00
 tbn, 30 tbc (default)
     Metadata:
       creation_time   : 2013-12-16T17:44:39.000000Z
       handler_name    : GPAC ISO Video Handler
       encoder         : Lavc58.11.101 libx264
     Side data:
       cpb: bitrate max/min/avg: 4977000/0/4977000 buffer size: 7466000
 vbv_delay: -1
     Stream #0:1(und): Audio: aac (LC), 48000 Hz, 5.1(side), fltp, delay
 1024, 128 kb/s (default)
     Metadata:
       creation_time   : 2013-12-16T17:44:42.000000Z
       handler_name    : GPAC ISO Audio Handler
       encoder         : Lavc58.11.101 aac
     Side data:
       audio service type: main
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb0.m4s' for
 writingdrop=0 speed=5.71x
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb1.m4s' for writing
 drop=0 speed=5.86x
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb2.m4s' for writing
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb3.m4s' for writing
 drop=0 speed=5.71x
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb4.m4s' for writing
 drop=0 speed=5.67x
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb5.m4s' for writing
 drop=0 speed=5.46x
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb6.m4s' for writing
 drop=0 speed=5.49x
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb7.m4s' for writing
 drop=0 speed=5.59x
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 No more output streams to write to, finishing.
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb8.m4s' for writing
 [hls @ 00000042f472b040] Opening 'C:\temp\ffmpeg\bbb.m3u8.tmp' for writing
 EXT-X-MEDIA-SEQUENCE:0
 frame=  901 fps=163 q=-1.0 Lsize=N/A time=00:00:30.01 bitrate=N/A dup=2
 drop=0 speed=5.42x
 video:16798kB audio:470kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: unknown
 Input file #0
 
(http://distribution.bbb3d.renderfarming.net/video/mp4/bbb_sunflower_1080p_30fps_normal.mp4):
   Input stream #0:0 (video): 910 packets read (11573775 bytes); 901 frames
 decoded;
   Input stream #0:1 (audio): 21 packets read (10080 bytes);
   Input stream #0:2 (audio): 946 packets read (1210880 bytes); 946 frames
 decoded (1453056 samples);
   Total: 1877 packets (12794735 bytes) demuxed
 Output file #0 (C:\temp\ffmpeg\bbb.m3u8):
   Output stream #0:0 (video): 901 frames encoded; 901 packets muxed
 (17201197 bytes);
   Output stream #0:1 (audio): 1407 frames encoded (1440000 samples); 1408
 packets muxed (481577 bytes);
   Total: 2309 packets (17682774 bytes) muxed
 [libx264 @ 00000042f3c4a000] frame I:16    Avg QP:23.18  size:141013
 [libx264 @ 00000042f3c4a000] frame P:885   Avg QP:25.75  size: 16886
 [libx264 @ 00000042f3c4a000] mb I  I16..4: 100.0%  0.0%  0.0%
 [libx264 @ 00000042f3c4a000] mb P  I16..4:  5.7%  0.0%  0.0%  P16..4:
 21.1%  0.0%  0.0%  0.0%  0.0%    skip:73.2%
 [libx264 @ 00000042f3c4a000] coded y,uvDC,uvAC intra: 22.2% 31.5% 13.1%
 inter: 9.1% 7.0% 1.0%
 [libx264 @ 00000042f3c4a000] i16 v,h,dc,p: 62% 17% 12%  9%
 [libx264 @ 00000042f3c4a000] i8c dc,h,v,p: 65% 18% 12%  5%
 [libx264 @ 00000042f3c4a000] kb/s:4582.01
 [aac @ 00000042f4747b40] Qavg: 134.647
 }}}

 and mediaStreamValidator return me :


 {{{
 mediastreamvalidator: Version 1.2(170822)

 [ /test/bbb.m3u8 ] Started root playlist download
 [ /test/bbb.m3u8 ] Started media playlist download
 Can't deal with multiple sample timings per sample buffer
 Can't deal with multiple sample timings per sample buffer
 Can't deal with multiple sample timings per sample buffer
 Can't deal with multiple sample timings per sample buffer
 [ /test/bbb.m3u8 ] All media files delivered and have end tag, stopping

 Processed 9 out of 9 segments
 Average segment duration: 3.336820
 Total segment bitrates (all discontinuities): average: 4714.62 kb/s, max:
 6340.88 kb/s


 Discontinuity: sequence: 0, parsed segment count: 9 of 9, duration: 30.031
 sec, average: 4714.62 kb/s, max: 6340.88 kb/s
 Track ID: 1
 Video Codec: avc1
 Video profile: Baseline
 Video level: 4.0
 Video resolution: 1920x1080
 Video average IDR interval: 1.999870, Standard deviation: 0.000000
 Video frame rate: 30.002
 Track ID: 2
 Audio Codec: AAC-LC
 Audio sample rate: 48000 Hz
 Audio channels: 0
 Audio channel layout: (null)

 
--------------------------------------------------------------------------------
 MUST fix issues
 
--------------------------------------------------------------------------------

 Error: Zero sample count
 --> Detail:  Track ID 551
 --> Source:  bbb.m3u8 - bbb8.m4s
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7024#comment:2>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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