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Sur d’autres sites (10485)
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How do I change audio language using ffmpeg in video files contaning two or more audio tracks
19 mai 2020, par warezsoftwarezI am transcoding video files, that contain 2 audio tracks - Polish and English. Unfortunately my transcoder messes somehow with metadata, and at the output, when I'm checking video file using MediaInfo, i see that both audio tracks are described as English. I'd like to change description of 1st audio track to Polish, so accordingly to ffmpeg documentation :



To set the language of the first audio stream:
ffmpeg -i INPUT -metadata:s:a:0 language=eng OUTPUT




Unfortunately, running command :



ffmpeg -i INPUTPATH -metadata:s:a:0 language=pol OUTPUTPATH




to overwrite input file resulted in saving file thats size is 63KB but it is described as Polish audio (no second audio track - English somehow was deleted)



When I used this command, to save output file as another file, to avoid overwriting if something misses (which is current situation), but using parameter
-metadata:s:a:4
because I thought that maybe I'm reading metadata from ffmpeg incorrectly, it resulted in saving output file as 800Mb with only English (no Polish track).


I don't know what should I change in this command to run as I want it to - just changing metadata of first audio track language to Polish.



Here is full ffmpeg output :



C:\Users\user>ffmpeg -i F:\Path\33244813_6000_1_trailer.mp4 -metadata:s:a:4 language=pol F:\Path\testtest.mp4
ffmpeg version N-91931-gb69ea742ab Copyright (c) 2000-2018 the FFmpeg developers
 built with gcc 8.2.1 (GCC) 20180813
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enabl
e-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amr
wb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enab
le-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 --e
nable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
 libavutil 56. 19.101 / 56. 19.101
 libavcodec 58. 30.100 / 58. 30.100
 libavformat 58. 18.100 / 58. 18.100
 libavdevice 58. 4.103 / 58. 4.103
 libavfilter 7. 29.100 / 7. 29.100
 libswscale 5. 2.100 / 5. 2.100
 libswresample 3. 2.100 / 3. 2.100
 libpostproc 55. 2.100 / 55. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'F:\Path\33244813_6000_1_trailer.mp4':
 Metadata:
 major_brand : isom
 minor_version : 1
 compatible_brands: isom
 creation_time : 2020-04-22T16:18:04.000000Z
 Duration: 00:40:39.12, start: 0.000000, bitrate: 8848 kb/s
 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], Closed C
aptions, 5068 kb/s, 25 fps, 25 tbr, 120k tbn, 50 tbc (default)
 Metadata:
 creation_time : 2020-04-22T16:18:04.000000Z
 handler_name : Video
 Stream #0:1(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], Closed C
aptions, 1857 kb/s, 25 fps, 25 tbr, 120k tbn, 50 tbc (default)
 Metadata:
 creation_time : 2020-04-22T16:18:04.000000Z
 handler_name : Video
 Stream #0:2(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1280x720 [SAR 1:1 DAR 16:9], Closed Ca
ptions, 902 kb/s, 25 fps, 25 tbr, 120k tbn, 50 tbc (default)
 Metadata:
 creation_time : 2020-04-22T16:18:04.000000Z
 handler_name : Video
 Stream #0:3(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 640x480 [SAR 4:3 DAR 16:9], Closed Cap
tions, 628 kb/s, 25 fps, 25 tbr, 120k tbn, 50 tbc (default)
 Metadata:
 creation_time : 2020-04-22T16:18:04.000000Z
 handler_name : Video
 Stream #0:4(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 125 kb/s (default)
 Metadata:
 creation_time : 2020-04-22T16:18:04.000000Z
 handler_name : Sound
 Stream #0:5(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 253 kb/s (default)
 Metadata:
 creation_time : 2020-04-22T16:18:04.000000Z
 handler_name : Sound
Stream mapping:
 Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:5 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 00000012bef91f80] using SAR=1/1
[libx264 @ 00000012bef91f80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 00000012bef91f80] profile High, level 4.0, 4:2:0, 8-bit
[libx264 @ 00000012bef91f80] 264 - core 157 r2932 303c484 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.vid
eolan.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=34 looka
head_threads=5 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_lookah
ead=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 'F:\Path\testtest.mp4'
:
 Metadata:
 major_brand : isom
 minor_version : 1
 compatible_brands: isom
 encoder : Lavf58.18.100
 Stream #0:0(und): Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps,
 12800 tbn, 25 tbc (default)
 Metadata:
 creation_time : 2020-04-22T16:18:04.000000Z
 handler_name : Video
 encoder : Lavc58.30.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 341 kb/s (default)
 Metadata:
 creation_time : 2020-04-22T16:18:04.000000Z
 handler_name : Sound
 encoder : Lavc58.30.100 aac
frame=60981 fps= 84 q=-1.0 Lsize= 816313kB time=00:40:39.12 bitrate=2741.7kbits/s dup=3 drop=0 speed=3.36x
video:713292kB audio:101322kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.208512%
[libx264 @ 00000012bef91f80] frame I:769 Avg QP:16.36 size: 46713
[libx264 @ 00000012bef91f80] frame P:37125 Avg QP:19.81 size: 15059
[libx264 @ 00000012bef91f80] frame B:23087 Avg QP:21.11 size: 5866
[libx264 @ 00000012bef91f80] consecutive B-frames: 40.4% 24.0% 10.2% 25.5%
[libx264 @ 00000012bef91f80] mb I I16..4: 40.3% 58.0% 1.7%
[libx264 @ 00000012bef91f80] mb P I16..4: 6.2% 12.5% 0.1% P16..4: 29.8% 3.7% 2.7% 0.0% 0.0% skip:45.0%
[libx264 @ 00000012bef91f80] mb B I16..4: 1.0% 1.7% 0.0% B16..8: 27.9% 1.1% 0.1% direct: 2.0% skip:66.2% L0:49
.4% L1:49.3% BI: 1.3%
[libx264 @ 00000012bef91f80] 8x8 transform intra:65.3% inter:95.1%
[libx264 @ 00000012bef91f80] coded y,uvDC,uvAC intra: 24.7% 39.7% 3.2% inter: 7.0% 14.6% 0.0%
[libx264 @ 00000012bef91f80] i16 v,h,dc,p: 34% 26% 13% 28%
[libx264 @ 00000012bef91f80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 15% 41% 3% 3% 4% 3% 3% 2%
[libx264 @ 00000012bef91f80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 25% 20% 3% 6% 5% 4% 3% 2%
[libx264 @ 00000012bef91f80] i8c dc,h,v,p: 58% 19% 20% 3%
[libx264 @ 00000012bef91f80] Weighted P-Frames: Y:0.1% UV:0.0%
[libx264 @ 00000012bef91f80] ref P L0: 72.2% 6.3% 15.8% 5.7% 0.0%
[libx264 @ 00000012bef91f80] ref B L0: 86.6% 11.5% 1.9%
[libx264 @ 00000012bef91f80] ref B L1: 97.6% 2.4%
[libx264 @ 00000012bef91f80] kb/s:2395.53
[aac @ 00000012bef93b00] Qavg: 471.415



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Can't Transfer .DAT (mpeg2 codec) Video to Any Other Format [closed]
14 mai 2021, par Juan JinpingI have a PS2 official bonus DVD which is full of 3 hour cutscenes of MGS3. But I don't have my PS2 anymore to watch it. So I decided to transfer lossless or at least the most lossless possible. Because I am some kind of obsessed.


I tried to use FFMPEG but it doesn't look it worked. At least once a minute the video goes blocky, pixelated. I tried the codes given below. I could find way more better videos on YouTube.


Neither of these and their variations worked :

ffmpeg -i DEMO_3.dat DEMO_3.mkv

ffmpeg -i DEMO_3.dat -c:v libx264 -crf 0 DEMO_3.mkv


I also tried it to use 3000k bitrate because it's the original bitrate of this video
ffmpeg -i DEMO_3.dat -c:v libx264 -b 3000k DEMO_3.mkv


Then I thought I could convert them into .png frames then reencode h264 to with "-crf 0". But frames that I extracted were blocky and pixelated too.
ffmpeg -i DEMO_3.dat -r 29.970/1 %06d.png


I wanted to check if my disc is broken or damaged. I downloaded the disc that I own as .iso on the internet and tried the same things but got the same results.


And also the audio is not even extracted eventhough Mediainfo says there is 4 audio tracks. (probably besides English any other 3 dubs and I want them too)


Long story short I want the .dat file with highest quality possible video and all audio tracks in the original mpeg2 codec or h264 codec in mkv container. You can recommend me any other program to do it or just give me code advices.


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How To Make Make A Video File From Images Using FFMPEG If Your Images Start At A Random Number [duplicate]
13 mai 2019, par teot 59This question already has an answer here :
So I am making a program on my raspberry pi and I am constantly saving pictures in the background and deleting them. So for instance in the images folder I have images from 123.png to 234.png
for now I have been using this command :
os.system("ffmpeg -f image2 -r 15 -pattern_type glob -i 'videos/*.png' -vcodec mpeg4 -y movie.avi")
But it’s unreliable, because it mixes image numbers up
(sorry for bad English)