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The Great Big Beautiful Tomorrow
28 octobre 2011, par
Mis à jour : Octobre 2011
Langue : English
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FFmpeg warning : could not find codec parameters for stream 1 [closed]
17 avril 2020, par MocchiHello : I have videos in the TS container that are Advanced Video Codec created by Elgato Game Capture HD60 Pro. I am trying to convert the TS videos because sometimes the Elgato MP4 output videos have audio/video sync issues. I have been trying for a few days now to get a clean remuxed video into MP4. I am using this simple batch file :



ffmpeg -analyzeduration 10000M -probesize 10000000M -i "Game Video.ts" -acodec copy -vcodec copy "Game Video.mp4"
pause



I always get these warnings no matter what I have tried. even if I use the -vn command to ignore the video. which makes me believe FFmpeg is seeing something or can't read something in my source video. The Source video Information via Media Info is here, there is 12 Audio streams which are all the same and I only put the first two here :



General
ID : 1 (0x1)
Complete name : P :\Game Video.ts
Format : MPEG-TS
File size : 8.82 GiB
Duration : 54 min 43 s
Overall bit rate mode : Variable
Overall bit rate : 23.1 Mb/s



Video
ID : 100 (0x64)
Menu ID : 2 (0x2)
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings : CABAC / 1 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 1 frame
Format settings, GOP : M=1, N=15
Codec ID : 27
Duration : 54 min 43 s
Bit rate mode : Variable
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate : 59.940 (60000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Color range : Full
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709



Audio #1
ID : 101 (0x65)
Menu ID : 2 (0x2)
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Format version : Version 4
Muxing mode : ADTS
Codec ID : 15-2
Duration : 54 min 43 s
Bit rate mode : Variable
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Delay relative to video : 13 ms
Language : English



Audio #2
ID : 103 (0x67)
Menu ID : 2 (0x2)
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Format version : Version 4
Muxing mode : ADTS
Codec ID : 15-2
Duration : 54 min 43 s
Bit rate mode : Variable
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Delay relative to video : 13 ms
Language : English



FFmpeg does create a MP4 video which seems to be good ; the Media Info is here :



General
Complete name : P :\Game Video.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/avc1/mp41)
File size : 7.44 GiB
Duration : 54 min 43 s
Overall bit rate mode : Variable
Overall bit rate : 19.5 Mb/s
Writing application : Lavf58.29.100



Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings : CABAC / 1 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 1 frame
Format settings, GOP : M=1, N=15
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 54 min 43 s
Bit rate mode : Variable
Bit rate : 19.2 Mb/s
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 59.862 FPS
Minimum frame rate : 0.461 FPS
Maximum frame rate : 59.960 FPS
Original frame rate : 59.940 (60000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.348
Stream size : 7.35 GiB (99%)
Color range : Full
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Codec configuration box : avcC



Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 54 min 43 s
Bit rate mode : Constant
Bit rate : 221 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 86.5 MiB (1%)
Language : English
Default : Yes
Alternate group : 1



I have not been able to figure out how to address the FFmpeg warnings and I am concerned that there is something wrong with the video that I will not find out until after I delete the source video. Any help is appreciated. here is the output from FFmpeg :



P:\>ffmpeg -analyzeduration 10000M -probesize 10000000M -i "Game Video.ts" -acod
ec copy -vcodec copy "Game Video.mp4"
ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 9.2.1 (GCC) 20200122
 configuration: --disable-static --enable-shared --enable-gpl --enable-version3
 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libas
s --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --ena
ble-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libth
eora --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-libopenm
pt
 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
[mpegts @ 00000000003b8fc0] start time for stream 1 is not set in estimate_timin
gs_from_pts
[mpegts @ 00000000003b8fc0] Could not find codec parameters for stream 1 (Video:
 mpeg2video ([2][0][0][0] / 0x0002), none(tv)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, mpegts, from 'Game Video.ts':
 Duration: 00:54:43.40, start: 505.283956, bitrate: 23076 kb/s
 Program 2
 Stream #0:0[0x64]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuvj420p(pc,
 bt709, progressive), 1280x720 [SAR 96:96 DAR 16:9], 59.94 fps, 59.94 tbr, 90k t
bn, 119.88 tbc
 Stream #0:1[0x66]: Video: mpeg2video ([2][0][0][0] / 0x0002), none(tv), 90k
tbr, 90k tbn, 90k tbc
 Stream #0:2[0x67](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
stereo, fltp, 225 kb/s
 Stream #0:3[0x69](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
stereo, fltp, 224 kb/s
 Stream #0:4[0x3ec](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
 stereo, fltp, 225 kb/s
 Stream #0:5[0x3f0](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
 stereo, fltp, 224 kb/s
 Stream #0:6[0x3f7](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
 stereo, fltp, 225 kb/s
 Stream #0:7[0x65](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
stereo, fltp, 225 kb/s
 Stream #0:8[0x3f3](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
 stereo, fltp, 225 kb/s
 Stream #0:9[0x3eb](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz,
 stereo, fltp, 225 kb/s
 Stream #0:10[0x3f5](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz
, stereo, fltp, 225 kb/s
 Stream #0:11[0x3ed](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz
, stereo, fltp, 225 kb/s
 Stream #0:12[0x3f1](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz
, stereo, fltp, 225 kb/s
 Stream #0:13[0x4e7](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz
, stereo, fltp, 225 kb/s
Output #0, mp4, to 'Game Video.mp4':
 Metadata:
 encoder : Lavf58.29.100
 Stream #0:0: Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt709, pro
gressive), 1280x720 [SAR 96:96 DAR 16:9], q=2-31, 59.94 fps, 59.94 tbr, 90k tbn,
 90k tbc
 Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, flt
p, 225 kb/s
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
 Stream #0:2 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 3067 fps=0.0 q=-1.0 size= 111616kB time=00:00:51.16 bitrate=17871.9kbits
frame= 5766 fps=5766 q=-1.0 size= 220160kB time=00:01:36.19 bitrate=18748.6kbit
frame= 8478 fps=5652 q=-1.0 size= 330496kB time=00:02:21.42 bitrate=19143.9kbit
frame=11166 fps=5583 q=-1.0 size= 438272kB time=00:03:06.28 bitrate=19273.1kbit
frame=13962 fps=5254 q=-1.0 size= 549632kB time=00:03:52.94 bitrate=19329.1kbit
frame=16771 fps=5312 q=-1.0 size= 662784kB time=00:04:39.79 bitrate=19405.7kbit
frame=19591 fps=5357 q=-1.0 size= 775424kB time=00:05:26.85 bitrate=19434.7kbit
frame=22357 fps=5378 q=-1.0 size= 887808kB time=00:06:12.99 bitrate=19498.6kbit
frame=24205 fps=5197 q=-1.0 size= 963584kB time=00:06:43.80 bitrate=19548.3kbit
frame=26914 fps=5219 q=-1.0 size= 1073152kB time=00:07:29.02 bitrate=19578.4kbit
frame=28873 fps=5104 q=-1.0 size= 1149696kB time=00:08:01.71 bitrate=19551.8kbit
frame=31566 fps=5127 q=-1.0 size= 1256704kB time=00:08:46.63 bitrate=19548.3kbit
frame=33579 fps=5022 q=-1.0 size= 1336832kB time=00:09:20.21 bitrate=19548.3kbit
frame=36292 fps=5050 q=-1.0 size= 1444096kB time=00:10:05.46 bitrate=19538.7kbit
frame=38205 fps=4970 q=-1.0 size= 1519872kB time=00:10:37.40 bitrate=19533.7kbit
frame=41030 fps=5012 q=-1.0 size= 1631488kB time=00:11:24.52 bitrate=19524.6kbit
frame=43471 fps=4947 q=-1.0 size= 1729280kB time=00:12:05.25 bitrate=19532.9kbit
frame=46199 fps=4974 q=-1.0 size= 1838080kB time=00:12:50.75 bitrate=19536.1kbit
frame=48026 fps=4907 q=-1.0 size= 1909760kB time=00:13:21.24 bitrate=19525.6kbit
frame=50849 fps=4943 q=-1.0 size= 2022144kB time=00:14:08.34 bitrate=19526.8kbit
frame=53324 fps=4909 q=-1.0 size= 2120960kB time=00:14:49.64 bitrate=19530.2kbit
frame=56043 fps=4933 q=-1.0 size= 2231552kB time=00:15:34.99 bitrate=19551.8kbit
frame=58032 fps=4892 q=-1.0 size= 2316288kB time=00:16:08.15 bitrate=19599.2kbit
frame=60918 fps=4928 q=-1.0 size= 2436608kB time=00:16:56.31 bitrate=19640.2kbit
frame=62869 fps=4878 q=-1.0 size= 2516480kB time=00:17:28.85 bitrate=19654.8kbit
frame=65418 fps=4886 q=-1.0 size= 2622464kB time=00:18:11.39 bitrate=19684.3kbit
frame=67200 fps=4839 q=-1.0 size= 2696960kB time=00:18:41.12 bitrate=19706.5kbit
frame=69648 fps=4841 q=-1.0 size= 2799360kB time=00:19:22.17 bitrate=19732.3kbit
frame=72165 fps=4802 q=-1.0 size= 2908160kB time=00:20:04.20 bitrate=19783.8kbit
frame=74787 fps=4816 q=-1.0 size= 3016704kB time=00:20:47.93 bitrate=19803.0kbit
frame=76580 fps=4775 q=-1.0 size= 3090432kB time=00:21:19.98 bitrate=19779.1kbit
frame=78741 fps=4761 q=-1.0 size= 3182080kB time=00:21:57.86 bitrate=19780.2kbit
frame=81470 fps=4781 q=-1.0 size= 3295232kB time=00:22:43.39 bitrate=19799.6kbit
frame=84198 fps=4801 q=-1.0 size= 3409664kB time=00:23:28.87 bitrate=19825.7kbit
frame=86826 fps=4813 q=-1.0 size= 3519744kB time=00:24:12.75 bitrate=19847.6kbit
frame=89508 fps=4828 q=-1.0 size= 3626752kB time=00:24:57.49 bitrate=19840.1kbit
frame=91254 fps=4793 q=-1.0 size= 3699456kB time=00:25:26.61 bitrate=19851.8kbit
frame=94034 fps=4813 q=-1.0 size= 3817472kB time=00:26:12.99 bitrate=19881.1kbit
frame=96349 fps=4808 q=-1.0 size= 3911168kB time=00:26:51.62 bitrate=19880.7kbit
frame=98600 fps=4801 q=-1.0 size= 4004864kB time=00:27:29.17 bitrate=19893.5kbit
frame=100838 fps=4793 q=-1.0 size= 4098048kB time=00:28:06.48 bitrate=19906.0kbi
frame=103620 fps=4811 q=-1.0 size= 4206848kB time=00:28:52.92 bitrate=19886.9kbi
frame=105687 fps=4795 q=-1.0 size= 4292608kB time=00:29:27.40 bitrate=19896.4kbi
frame=107646 fps=4776 q=-1.0 size= 4374016kB time=00:30:00.10 bitrate=19905.4kbi
frame=110196 fps=4752 q=-1.0 size= 4482560kB time=00:30:42.66 bitrate=19928.2kbi
frame=112831 fps=4763 q=-1.0 size= 4592896kB time=00:31:26.61 bitrate=19943.1kbi
frame=114561 fps=4736 q=-1.0 size= 4667648kB time=00:31:55.47 bitrate=19962.3kbi
frame=116471 fps=4714 q=-1.0 size= 4744960kB time=00:32:27.34 bitrate=19960.8kbi
frame=119043 fps=4723 q=-1.0 size= 4850432kB time=00:33:10.25 bitrate=19964.7kbi
frame=120907 fps=4704 q=-1.0 size= 4930816kB time=00:33:41.35 bitrate=19983.2kbi
frame=122932 fps=4691 q=-1.0 size= 5012992kB time=00:34:15.10 bitrate=19982.6kbi
frame=125679 fps=4706 q=-1.0 size= 5123584kB time=00:35:00.94 bitrate=19977.8kbi
frame=127629 fps=4691 q=-1.0 size= 5205760kB time=00:35:33.48 bitrate=19988.7kbi
frame=129623 fps=4679 q=-1.0 size= 5284864kB time=00:36:06.76 bitrate=19980.8kbi
frame=132378 fps=4693 q=-1.0 size= 5394432kB time=00:36:52.71 bitrate=19971.5kbi
frame=134255 fps=4677 q=-1.0 size= 5469440kB time=00:37:24.05 bitrate=19966.4kbi
frame=136291 fps=4667 q=-1.0 size= 5549312kB time=00:37:58.03 bitrate=19955.7kbi
frame=139035 fps=4680 q=-1.0 size= 5658368kB time=00:38:43.79 bitrate=19947.2kbi
frame=140864 fps=4663 q=-1.0 size= 5730560kB time=00:39:14.30 bitrate=19939.9kbi
frame=142685 fps=4647 q=-1.0 size= 5801984kB time=00:39:44.68 bitrate=19931.3kbi
frame=145415 fps=4660 q=-1.0 size= 5910528kB time=00:40:30.25 bitrate=19923.4kbi
frame=147296 fps=4646 q=-1.0 size= 5984000kB time=00:41:01.61 bitrate=19914.1kbi
frame=149243 fps=4634 q=-1.0 size= 6060032kB time=00:41:34.10 bitrate=19904.4kbi
frame=151934 fps=4645 q=-1.0 size= 6164992kB time=00:42:18.99 bitrate=19891.2kbi
frame=153880 fps=4634 q=-1.0 size= 6241280kB time=00:42:51.48 bitrate=19882.9kbi
frame=155799 fps=4622 q=-1.0 size= 6316032kB time=00:43:23.50 bitrate=19873.6kbi
frame=158502 fps=4633 q=-1.0 size= 6426112kB time=00:44:08.60 bitrate=19875.7kbi
frame=160503 fps=4624 q=-1.0 size= 6505984kB time=00:44:41.98 bitrate=19872.2kbi
frame=162396 fps=4612 q=-1.0 size= 6584832kB time=00:45:13.58 bitrate=19878.9kbi
frame=165264 fps=4628 q=-1.0 size= 6705920kB time=00:46:01.43 bitrate=19893.6kbi
frame=167267 fps=4619 q=-1.0 size= 6788608kB time=00:46:34.84 bitrate=19898.2kbi
frame=169281 fps=4611 q=-1.0 size= 6873600kB time=00:47:08.42 bitrate=19908.1kbi
frame=171831 fps=4607 q=-1.0 size= 6972160kB time=00:47:50.95 bitrate=19894.4kbi
frame=174586 fps=4619 q=-1.0 size= 7080192kB time=00:48:36.95 bitrate=19884.1kbi
frame=176481 fps=4608 q=-1.0 size= 7156736kB time=00:49:08.54 bitrate=19883.7kbi
frame=178470 fps=4599 q=-1.0 size= 7234560kB time=00:49:41.74 bitrate=19876.1kbi
frame=181282 fps=4612 q=-1.0 size= 7344128kB time=00:50:28.65 bitrate=19864.6kbi
frame=183059 fps=4598 q=-1.0 size= 7414784kB time=00:50:58.33 bitrate=19861.1kbi
frame=185151 fps=4588 q=-1.0 size= 7496960kB time=00:51:33.23 bitrate=19854.7kbi
frame=188046 fps=4603 q=-1.0 size= 7610368kB time=00:52:21.50 bitrate=19845.3kbi
frame=189885 fps=4591 q=-1.0 size= 7685888kB time=00:52:52.20 bitrate=19848.3kbi
frame=193431 fps=4621 q=-1.0 size= 7761408kB time=00:53:51.34 bitrate=19676.5kbi
frame=196550 fps=4669 q=-1.0 Lsize= 7799116kB time=00:54:43.37 bitrate=19458.7kb
its/s speed= 78x
video:7704206kB audio:89623kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.067837%



Do I need to tell FFmpeg more information about the source file which I have seen suggested but I have been unable to implement. Again all Help is appreciated


-
FFMPEG : How to manually select video quality from mpd manifest ?
18 juin 2022, par DeoxysI want to ask what command should I use to select video quality from mpd manifest ?



mpd manifest link



https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6.mpd



Here, the mpd file :



<?xml version="1.0" encoding="utf-8"?>
<mpd xmlns="urn:mpeg:dash:schema:mpd:2011" profiles="urn:mpeg:dash:profile:isoff-live:2011" type="static" mediapresentationduration="PT7M59.240000S" minbuffertime="PT0S" maxsegmentduration="PT4S">
 <period duration="PT7M59.240000S">
 <adaptationset group="1" mimetype="audio/mp4" lang="en" contenttype="audio" minbandwidth="32000" maxbandwidth="64000">
<contentprotection schemeiduri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"></contentprotection><contentprotection schemeiduri="urn:mpeg:dash:mp4protection:2011" value="cenc"></contentprotection> <role schemeiduri="urn:mpeg:dash:role:2011" value="main"></role>
 <representation bandwidth="32000" audiosamplingrate="22050" codecs="mp4a.40.2">
 <audiochannelconfiguration schemeiduri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"></audiochannelconfiguration>
 <segmenttemplate timescale="10000000" initialization="kiko-season1-eps1-mobil-kabur-anv6-$RepresentationID$-init.mp4" media="kiko-season1-eps1-mobil-kabur-anv6-$RepresentationID$-$Time$.mp4">
 <segmenttimeline>
 <s t="0" d="36223129" r="1"></s>
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 <audiochannelconfiguration schemeiduri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"></audiochannelconfiguration>
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 <adaptationset group="2" framerate="25" mimetype="video/mp4" startwithsap="1" contenttype="video" par="16:9" minbandwidth="150119" maxbandwidth="5002530" minwidth="256" maxwidth="1920" minheight="144" maxheight="1080">
<contentprotection schemeiduri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"></contentprotection><contentprotection schemeiduri="urn:mpeg:dash:mp4protection:2011" value="cenc"></contentprotection> <role schemeiduri="urn:mpeg:dash:role:2011" value="main"></role>
 <segmenttemplate timescale="10000000" initialization="kiko-season1-eps1-mobil-kabur-anv6-$RepresentationID$-init.mp4" media="kiko-season1-eps1-mobil-kabur-anv6-$RepresentationID$-$Time$.mp4">
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 <representation bandwidth="150119" width="256" height="144" codecs="avc1.4d400c"></representation>
 <representation bandwidth="500565" width="640" height="360" codecs="avc1.4d401e"></representation>
 <representation bandwidth="1001193" width="854" height="480" codecs="avc1.4d401e"></representation>
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 </adaptationset>
 </period>
</mpd>



The video is not encrypted with DRM. When I tried to download with FFmpeg, success, but FFmpeg automatically select the worst quality (144p).



FFmpeg command I use :



ffmpeg -i https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6.mpd -c copy kiko1.mp4



Result from ffmpeg



ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
 configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --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-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --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-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
 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
 libavresample 3. 7. 0 / 3. 7. 0
 libswscale 4. 8.100 / 4. 8.100
 libswresample 2. 9.100 / 2. 9.100
 libpostproc 54. 7.100 / 54. 7.100
[dash @ 0x562ae2e98000] Opening '[URL]https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6-avc1_150119=5-init.mp4[/URL]' for reading [dash @ 0x562ae2e98000] Could not read complete fragment.
[dash @ 0x562ae2e98000] Opening '[URL]https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6-avc1_150119=5-0.mp4[/URL]' for reading
[dash @ 0x562ae2e98000] Opening '[URL]https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6-mp4a_32000_eng=6-init.mp4[/URL]' for reading [dash @ 0x562ae2e98000] Could not read complete fragment.
[dash @ 0x562ae2e98000] Opening '[URL]https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6-mp4a_32000_eng=6-0.mp4[/URL]' for reading
[aac @ 0x562ae32ced00] channel element 2.3 is not allocated
[h264 @ 0x562ae32cc500] top block unavailable for requested intra mode -1
[h264 @ 0x562ae32cc500] error while decoding MB 0 0, bytestream 38
[h264 @ 0x562ae32cc500] concealing 144 DC, 144 AC, 144 MV errors in I frame
Input #0, dash, from '[URL]https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6.mpd[/URL]':
 Duration: 00:07:59.00, start: 0.000000, bitrate: 0 kb/s 
Program 0
 Stream #0:0: Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 256x144 [SAR 1:1 DAR 16:9], 153 kb/s, 25 fps, 25 tbr, 10000k tbn, 50 tbc 
 Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 32 kb/s
Output #0, mp4, to 'kiko1.mp4': 
 Metadata: 
 encoder : Lavf57.83.100 
 Stream #0:0: Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 256x144 [SAR 1:1 DAR 16:9], q=2-31, 153 kb/s, 25 fps, 25 tbr, 10000k tbn, 10000k tbc
Stream mapping: 
 Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
[dash @ 0x562ae2e98000] Opening '[URL]https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6-mp4a_32000_eng=6-36223129.mp4[/URL]' for reading
[dash @ 0x562ae2e98000] Opening '[URL]https://anevia115(dot)mncnow(dot)id/vod/eds/kiko-season1-eps1-mobil-kabur-anv6/_/sa_dash_vmx/kiko-season1-eps1-mobil-kabur-anv6-avc1_150119=5-36000000.mp4[/URL]' for reading
....
....
frame=11978 fps= 99 q=-1.0 Lsize= 8891kB time=00:07:59.08 bitrate= 152.0kbits/s speed=3.97x
video:8779kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.269990%



Tried youtube-dl & streamlink but failed.
So, I use FFmpeg because it success to download the video and audio. I have read FFmpeg documentation but I have no idea what command should I use.
What command should I use to select another quality ? (ex : audio 64 kbps, video : 720p)





Note : just change (dot) to
.



-
FFMPEG Audio/video out of sync after cutting and concatonating even after transcoding
4 mai 2020, par Ham789I am attempting to take cuts from a set of videos and concatonate them together with the concat demuxer.



However, the audio is out of sync of the video in the output. The audio seems to drift further out of sync as the video progresses. Interestingly, if I click to seek another time in the video with the progress bar on the player, the audio becomes synced up with the video but then gradually drifts out of sync again. Seeking to a new time in the player seems to reset the audio/video. It is like they are being played back at different rates or something. I get this behaviour in both Quicktime and VLC players.



For each video, I decode it, trim a clip from it and then encode it to 4k resolution at 25 fps with its audio :



ffmpeg -ss 0.5 -t 0.5 -i input_video1.mp4 -r 25 -vf scale=3840:2160 output_video1.mp4


I then take each of these videos and concatonate them together with the concat demuxer :



ffmpeg -f concat -safe 0 -i cut_videos.txt -c copy -y output.mp4


I am taking short cuts of each video (approximately 0.5s)



I am using Python's subprocess to automate the cutting and concatonating of the videos.



I am not sure if this happens because of the trimming or concatenation steps but when I play back the intermediate cut video files (
output_video1.mp4in the above command), there seems to be some silence before the audio comes in at the start of the video.


When I concatonate the videos, I sometimes get a lot of these warnings however the audio still becomes out of sync even when I do not get them :



[mp4 @ 0000021a252ce080] Non-monotonous DTS in output stream 0:1; previous: 51792, current: 50009; changing to 51793. This may result in incorrect timestamps in the output file.


From this post, it seems to be a problem with cutting the videos and their timestamps. The solution proposed in the post is to decode, cut and then encode the video however I am already doing that.



How can I ensure the audio and video are in sync ? Am I transcoding incorrectly ? This seems to be the only solution I can find online however it does not seem to work.



UPDATE :



I took inspiration from this post and seperated the audio and video from
output_video1.mp4using :


ffmpeg -i output_video1.mp4 -acodec copy -vn video.mp4


and



ffmpeg -i output_video1.mp4 -vcodec copy -an audio.mp4


I then compared the durations of
video.mp4andaudio.mp4and got 0.57s and 0.52s respectively. Since the video is longer, this explains why there is a period of silence in the videos. The post then suggests transcoding is the solution however as you can see from the code above that does not work for me.


Sample Output Log for the Trim Command



built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)
 configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.0.1.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.0.1.jdk/Contents/Home/include/darwin' --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
 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, mov,mp4,m4a,3gp,3g2,mj2, from 'input_video1.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.29.100
 Duration: 00:00:04.06, start: 0.000000, bitrate: 14266 kb/s
 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 3840x2160, 14268 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
 Metadata:
 handler_name : Core Media Video
 Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 94 kb/s (default)
 Metadata:
 handler_name : Core Media Audio
File 'output_video1.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
 Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 0x7fcae4001e00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x7fcae4001e00] profile High, level 5.1
[libx264 @ 0x7fcae4001e00] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - 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_video1.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 encoder : Lavf58.29.100
 Stream #0:0(und): Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 3840x2160, q=-1--1, 25 fps, 12800 tbn, 25 tbc (default)
 Metadata:
 handler_name : Core Media Video
 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, mono, fltp, 69 kb/s (default)
 Metadata:
 handler_name : Core Media Audio
 encoder : Lavc58.54.100 aac
frame= 14 fps=7.0 q=-1.0 Lsize= 928kB time=00:00:00.51 bitrate=14884.2kbits/s dup=0 drop=1 speed=0.255x 
video:922kB audio:5kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.194501%
[libx264 @ 0x7fcae4001e00] frame I:1 Avg QP:21.06 size:228519
[libx264 @ 0x7fcae4001e00] frame P:4 Avg QP:22.03 size: 85228
[libx264 @ 0x7fcae4001e00] frame B:9 Avg QP:22.88 size: 41537
[libx264 @ 0x7fcae4001e00] consecutive B-frames: 14.3% 0.0% 0.0% 85.7%
[libx264 @ 0x7fcae4001e00] mb I I16..4: 27.6% 64.3% 8.1%
[libx264 @ 0x7fcae4001e00] mb P I16..4: 9.1% 10.7% 0.2% P16..4: 48.5% 7.3% 3.9% 0.0% 0.0% skip:20.2%
[libx264 @ 0x7fcae4001e00] mb B I16..4: 1.1% 1.0% 0.0% B16..8: 44.5% 2.9% 0.2% direct: 8.3% skip:42.0% L0:45.6% L1:53.2% BI: 1.2%
[libx264 @ 0x7fcae4001e00] 8x8 transform intra:58.2% inter:93.4%
[libx264 @ 0x7fcae4001e00] coded y,uvDC,uvAC intra: 31.4% 62.2% 5.2% inter: 11.4% 30.9% 0.0%
[libx264 @ 0x7fcae4001e00] i16 v,h,dc,p: 15% 52% 12% 21%
[libx264 @ 0x7fcae4001e00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 33% 32% 2% 2% 2% 4% 2% 4%
[libx264 @ 0x7fcae4001e00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 39% 9% 3% 4% 4% 12% 3% 4%
[libx264 @ 0x7fcae4001e00] i8c dc,h,v,p: 43% 36% 18% 3%
[libx264 @ 0x7fcae4001e00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7fcae4001e00] ref P L0: 69.3% 8.0% 14.8% 7.9%
[libx264 @ 0x7fcae4001e00] ref B L0: 88.1% 9.2% 2.6%
[libx264 @ 0x7fcae4001e00] ref B L1: 90.2% 9.8%
[libx264 @ 0x7fcae4001e00] kb/s:13475.29
[aac @ 0x7fcae4012400] Qavg: 125.000```


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