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Sur d’autres sites (6321)

  • FFMPEG in an AWS Lambda will only output 5 seconds of converted video [duplicate]

    5 juin 2021, par beerandsmiles

    I've been looking for a solution for this issue, but I can't seem to find what's going wrong.

    


    In short, I'm using an AWS Lambda to convert video captured from an raspberry pi in a raw .h264 format to .mp4. The problem is that the output file is always, only 5 seconds long.

    


    So I input a video of say 500mb, that is 10 minutes long, and the output is an mp4 that is exactly the first 5 seconds of the source video.

    


    The lambda has been setup following the tutorial from Amazon that is shown here :
https://aws.amazon.com/blogs/media/processing-user-generated-content-using-aws-lambda-and-ffmpeg/

    


    It is triggered by an upload from one s3 buckets, transcodes, and puts it in a different bucket. The purpose is to store a high quality copy of the video that is smaller to save costs. (this is a personal project, so I'm paying personally)

    


    I've put the full code of the lambda down below.
I had trouble using their recommended stdout method as that resulted in a file being created with a size of 0 bytes.

    


    You'll see a few commented lines where I tried different things to solve it. I thought it best to leave that in while asking the questions so you can see what I've done. Firstly the method of using stdout piped directly into the output S3 did not work, so I stored the output file in lambda's /tmp directory.

    


    However, when I first did this using the signed link as the input it gave me 5 seconds of the input video.

    


    Thinking this had to do with an issue in the stream that FFMPEG was getting, I tried instead to download the file from the first S3 bucket into the temp folder, then convert it, and then upload it.

    


    The actual FFMPEG command is quite simple

    


    f"/opt/bin/ffmpeg -framerate 25 -i {s3_source_key} output.mp4"

    


    But this outputs a 5 second video.

    


    I have also tried using different versions of FFMPEG for the layer with lambda and no help. Also, I have set and execution timeout of 2 minutes with 2gb or ram for this lambda.

    


    The last thing, is that running this command on a linux machine, such as a raspberry pi directly, results in an mp4 of the correct length, only in the lambda am I having this problem.

    


    I'm completely lost, and I can't seem to find any documentation on this happening to anyone else.

    


    import os
import subprocess
import shlex
import boto3
from time import sleep

S3_DESTINATION_BUCKET = "dashcam-duncan"
SIGNED_URL_TIMEOUT = 600

def lambda_handler(event, context):
    print(event)
    os.chdir('/tmp')
    s3_source_bucket = event['Records'][0]['s3']['bucket']['name']
    s3_source_key = event['Records'][0]['s3']['object']['key']

    s3_source_basename = os.path.splitext(os.path.basename(s3_source_key))[0]
    s3_destination_filename = s3_source_basename + ".mp4"

    s3_client = boto3.client('s3')
    s3_source_signed_url = s3_client.generate_presigned_url('get_object',
        Params={'Bucket': s3_source_bucket, 'Key': s3_source_key},
        ExpiresIn=SIGNED_URL_TIMEOUT)
    print(s3_source_signed_url)
    s3_client.download_file(s3_source_bucket,s3_source_key,s3_source_key)
    # ffmpeg_cmd = "/opt/bin/ffmpeg -framerate 25 -i \"" + s3_source_signed_url + "\" output.mp4 "
    ffmpeg_cmd = f"/opt/bin/ffmpeg -framerate 25 -i {s3_source_key} output.mp4 "
    # command1 = shlex.split(ffmpeg_cmd)
    # print(command1)
    os.system(ffmpeg_cmd)
    # os.system('ls')
    # p1 = subprocess.run(command1, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    file = 'output.mp4'
    resp = s3_client.put_object(Body=open(file,"rb"), Bucket=S3_DESTINATION_BUCKET, Key=s3_destination_filename)
    # resp = s3_client.put_object(Body=p1.stdout, Bucket=S3_DESTINATION_BUCKET, Key=s3_destination_filename)
    s3 = boto3.resource('s3')
    s3.Object(s3_source_bucket,s3_source_key).delete()
    return {
        'statusCode': 200,
        'body': json.dumps('Processing complete successfully')
    }


    


    The cloudwatch logs on the last execution of this :

    


    built with gcc 8 (Debian 8.3.0-6)&#xA;configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg&#xA;libavutil      56. 70.100 / 56. 70.100&#xA;libavcodec     58.134.100 / 58.134.100&#xA;libavformat    58. 76.100 / 58. 76.100&#xA;libavdevice    58. 13.100 / 58. 13.100&#xA;libavfilter     7.110.100 /  7.110.100&#xA;libswscale      5.  9.100 /  5.  9.100&#xA;libswresample   3.  9.100 /  3.  9.100&#xA;libpostproc    55.  9.100 / 55.  9.100&#xA;Input #0, h264, from &#x27;video00087.h264&#x27;:&#xA;Duration: N/A, bitrate: N/A&#xA;Stream #0:0: Video: h264 (High), yuv420p(progressive), 1280x720, 25 fps, 25 tbr, 1200k tbn, 50 tbc&#xA;Stream mapping:&#xA;Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))&#xA;Press [q] to stop, [?] for help&#xA;[libx264 @ 0x6aaf500] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2&#xA;[libx264 @ 0x6aaf500] profile High, level 3.1, 4:2:0, 8-bit&#xA;[libx264 @ 0x6aaf500] 264 - core 161 r3048 b86ae3c - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - 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=3 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&#xA;Output #0, mp4, to &#x27;output.mp4&#x27;:&#xA;Metadata:&#xA;encoder         : Lavf58.76.100&#xA;Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(progressive), 1280x720, q=2-31, 25 fps, 12800 tbn&#xA;Metadata:&#xA;encoder         : Lavc58.134.100 libx264&#xA;Side data:&#xA;cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A&#xA;frame=    1 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    &#xA;frame=   47 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    &#xA;frame=   56 fps= 44 q=28.0 size=       0kB time=00:00:00.24 bitrate=   1.6kbits/s speed=0.187x    &#xA;frame=   65 fps= 35 q=28.0 size=       0kB time=00:00:00.60 bitrate=   0.6kbits/s speed=0.325x    &#xA;frame=   74 fps= 31 q=28.0 size=       0kB time=00:00:00.96 bitrate=   0.4kbits/s speed=0.399x    &#xA;Enter command: <target>|all <time>|-1 <command>[ <argument>]&#xA;Parse error, at least 3 arguments were expected, only 1 given in string &#x27;V����Ҿ�#I���bv��oF��LxE��{��y5Jx�X�-f?2k�E~ہ��L��Y?�w���9?S�?�(q?��y��V8�=)�9&#x27;�?�-j?��?�3���Ŧ$��r���\��r}?zb?E��?��B}b4��2��[z�&amp;�逋�Qk�ar�=y���&#x27;&#xA;frame=   82 fps= 28 q=28.0 size=     256kB time=00:00:01.28 bitrate=1638.6kbits/s speed=0.434x    &#xA;frame=   90 fps= 25 q=28.0 size=     256kB time=00:00:01.60 bitrate=1310.9kbits/s speed=0.442x    &#xA;frame=   98 fps= 23 q=28.0 size=     256kB time=00:00:01.92 bitrate=1092.4kbits/s speed=0.458x    &#xA;frame=  107 fps= 23 q=28.0 size=     256kB time=00:00:02.28 bitrate= 919.9kbits/s speed=0.48x    &#xA;frame=  115 fps= 22 q=28.0 size=     512kB time=00:00:02.60 bitrate=1613.3kbits/s speed=0.495x    &#xA;frame=  122 fps= 21 q=28.0 size=     512kB time=00:00:02.88 bitrate=1456.4kbits/s speed=0.499x    &#xA;[h264 @ 0x6b68c80] left block unavailable for requested intra mode&#xA;[h264 @ 0x6b68c80] error while decoding MB 0 19, bytestream 37403&#xA;[h264 @ 0x6b68c80] concealing 2129 DC, 2129 AC, 2129 MV errors in P frame&#xA;video00087.h264: corrupt decoded frame in stream 0&#xA;[h264 @ 0x6ab4080] left block unavailable for requested intra4x4 mode -1&#xA;[h264 @ 0x6ab4080] error while decoding MB 0 37, bytestream 13222&#xA;[h264 @ 0x6ab4080] concealing 689 DC, 689 AC, 689 MV errors in P frame&#xA;video00087.h264: corrupt decoded frame in stream 0&#xA;[h264 @ 0x6b68c80] concealing 1347 DC, 1347 AC, 1347 MV errors in P frame&#xA;frame=  130 fps= 21 q=28.0 size=     512kB time=00:00:03.20 bitrate=1310.8kbits/s speed=0.509x    &#xA;video00087.h264: corrupt decoded frame in stream 0&#xA;frame=  131 fps= 15 q=-1.0 Lsize=    1081kB time=00:00:05.12 bitrate=1729.6kbits/s speed=0.575x    &#xA;video:1079kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.220914%&#xA;[libx264 @ 0x6aaf500] frame I:1     Avg QP:21.61  size: 37761&#xA;[libx264 @ 0x6aaf500] frame P:34    Avg QP:22.25  size: 18066&#xA;[libx264 @ 0x6aaf500] frame B:96    Avg QP:24.46  size:  4706&#xA;[libx264 @ 0x6aaf500] consecutive B-frames:  2.3%  0.0%  0.0% 97.7%&#xA;[libx264 @ 0x6aaf500] mb I  I16..4: 15.2% 61.2% 23.6%&#xA;[libx264 @ 0x6aaf500] mb P  I16..4:  8.4% 15.6%  1.2%  P16..4: 39.2% 13.7%  6.9%  0.0%  0.0%    skip:15.0%&#xA;[libx264 @ 0x6aaf500] mb B  I16..4:  0.7%  1.8%  0.0%  B16..8: 44.5%  4.5%  0.5%  direct: 3.6%  skip:44.4%  L0:46.9% L1:48.0% BI: 5.1%&#xA;[libx264 @ 0x6aaf500] 8x8 transform intra:63.5% inter:83.1%&#xA;[libx264 @ 0x6aaf500] coded y,uvDC,uvAC intra: 22.1% 25.4% 2.8% inter: 11.6% 19.3% 1.2%&#xA;[libx264 @ 0x6aaf500] i16 v,h,dc,p:  4% 63%  8% 25%&#xA;[libx264 @ 0x6aaf500] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu:  9% 26% 53%  1%  2%  1%  3%  1%  3%&#xA;[libx264 @ 0x6aaf500] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 44% 16%  4%  4%  3%  5%  4%  4%&#xA;[libx264 @ 0x6aaf500] i8c dc,h,v,p: 66% 24%  9%  1%&#xA;[libx264 @ 0x6aaf500] Weighted P-Frames: Y:0.0% UV:0.0%&#xA;[libx264 @ 0x6aaf500] ref P L0: 57.5% 16.8% 18.2%  7.5%&#xA;[libx264 @ 0x6aaf500] ref B L0: 89.8%  8.0%  2.2%&#xA;[libx264 @ 0x6aaf500] ref B L1: 96.0%  4.0%&#xA;[libx264 @ 0x6aaf500] kb/s:1685.21&#xA;END RequestId: 96e1031a-b1a2-4480-a59d-68de487671bd&#xA;REPORT RequestId: 96e1031a-b1a2-4480-a59d-68de487671bd  Duration: 11721.77 ms   Billed Duration: 11722 ms   Memory Size: 2048 MB    Max Memory Used: 494 MB Init Duration: 353.14 ms&#xA;</argument></command></time></target>

    &#xA;

    I've been struggling with this for a couple days now, any help would be amazing.

    &#xA;

  • Finding Optimal Code Coverage

    7 mars 2012, par Multimedia Mike — Programming

    A few months ago, I published a procedure for analyzing code coverage of the test suites exercised in FFmpeg and Libav. I used it to add some more tests and I have it on good authority that it has helped other developers fill in some gaps as well (beginning with students helping out with the projects as part of the Google Code-In program). Now I’m wondering about ways to do better.

    Current Process
    When adding a test that depends on a sample (like a demuxer or decoder test), it’s ideal to add a sample that’s A) small, and B) exercises as much of the codebase as possible. When I was studying code coverage statistics for the WC4-Xan video decoder, I noticed that the sample didn’t exercise one of the 2 possible frame types. So I scouted samples until I found one that covered both types, trimmed the sample down, and updated the coverage suite.

    I started wondering about a method for finding the optimal test sample for a given piece of code, one that exercises every code path in a module. Okay, so that’s foolhardy in the vast majority of cases (although I was able to add one test spec that pushed a module’s code coverage from 0% all the way to 100% — but the module in question only had 2 exercisable lines). Still, given a large enough corpus of samples, how can I find the smallest set of samples that exercise the complete codebase ?

    This almost sounds like an NP-complete problem. But why should that stop me from trying to find a solution ?

    Science Project
    Here’s the pitch :

    • Instrument FFmpeg with code coverage support
    • Download lots of media to exercise a particular module
    • Run FFmpeg against each sample and log code coverage statistics
    • Distill the resulting data in some meaningful way in order to obtain more optimal code coverage

    That first step sounds harsh– downloading lots and lots of media. Fortunately, there is at least one multimedia format in the projects that tends to be extremely small : ANSI. These are files that are designed to display elaborate scrolling graphics using text mode. Further, the FATE sample currently deployed for this test (TRE_IOM5.ANS) only exercises a little less than 50% of the code in libavcodec/ansi.c. I believe this makes the ANSI video decoder a good candidate for this experiment.

    Procedure
    First, find a site that hosts a lot ANSI files. Hi, sixteencolors.net. This site has lots (on the order of 4000) artpacks, which are ZIP archives that contain multiple ANSI files (and sometimes some other files). I scraped a list of all the artpack names.

    In an effort to be responsible, I randomized the list of artpacks and downloaded periodically and with limited bandwidth ('wget --limit-rate=20k').

    Run ‘gcov’ on ansi.c in order to gather the full set of line numbers to be covered.

    For each artpack, unpack the contents, run the instrumented FFmpeg on each file inside, run ‘gcov’ on ansi.c, and log statistics including the file’s size, the file’s location (artpack.zip:filename), and a comma-separated list of line numbers touched.

    Definition of ‘Optimal’
    The foregoing procedure worked and yielded useful, raw data. Now I have to figure out how to analyze it.

    I think it’s most desirable to have the smallest files (in terms of bytes) that exercise the most lines of code. To that end, I sorted the results by filesize, ascending. A Python script initializes a set of all exercisable line numbers in ansi.c, then iterates through each each file’s stats line, adding the file to the list of candidate samples if its set of exercised lines can remove any line numbers from the overall set of lines. Ideally, that set of lines should devolve to an empty set.

    I think a second possible approach is to find the single sample that exercises the most code and then proceed with the previously described method.

    Initial Results
    So far, I have analyzed 13324 samples from 357 different artpacks provided by sixteencolors.net.

    Using the first method, I can find a set of samples that covers nearly 80% of ansi.c :

    <br />
    0 bytes: bad-0494.zip:5<br />
    1 bytes: grip1293.zip:-ANSI---.---<br />
    1 bytes: pur-0794.zip:.<br />
    2 bytes: awe9706.zip:-ANSI───.───<br />
    61 bytes: echo0197.zip:-(ART)-<br />
    62 bytes: hx03.zip:HX005.DAT<br />
    76 bytes: imp-0494.zip:IMPVIEW.CFG<br />
    82 bytes: ice0010b.zip:_cont'd_.___<br />
    101 bytes: bdp-0696.zip:BDP2.WAD<br />
    112 bytes: plain12.zip:--------.---<br />
    181 bytes: ins1295v.zip:-°VGA°-.  н<br />
    219 bytes: purg-22.zip:NEM-SHIT.ASC<br />
    289 bytes: srg1196.zip:HOWTOREQ.JNK<br />
    315 bytes: karma-04.zip:FASHION.COM<br />
    318 bytes: buzina9.zip:ox-rmzzy.ans<br />
    411 bytes: solo1195.zip:FU-BLAH1.RIP<br />
    621 bytes: ciapak14.zip:NA-APOC1.ASC<br />
    951 bytes: lght9404.zip:AM-TDHO1.LIT<br />
    1214 bytes: atb-1297.zip:TX-ROKL.ASC<br />
    2332 bytes: imp-0494.zip:STATUS.ANS<br />
    3218 bytes: acepak03.zip:TR-STAT5.ANS<br />
    6068 bytes: lgc-0193.zip:LGC-0193.MEM<br />
    16778 bytes: purg-20.zip:EZ-HIR~1.JPG<br />
    20582 bytes: utd0495.zip:LT-CROW3.ANS<br />
    26237 bytes: quad0597.zip:MR-QPWP.GIF<br />
    29208 bytes: mx-pack17.zip:mx-mobile-source-logo.jpg<br />
    ----<br />
    109440 bytes total<br />

    A few notes about that list : Some of those filenames are comprised primarily of control characters. 133t, and all that. The first file is 0 bytes. I wondered if I should discard 0-length files but decided to keep those in, especially if they exercise lines that wouldn’t normally be activated. Also, there are a few JPEG and GIF files in the set. I should point out that I forced the tty demuxer using -f tty and there isn’t much in the way of signatures for this format. So, again, whatever exercises more lines is better.

    Using this same corpus, I tried approach 2– which single sample exercises the most lines of the decoder ? Answer : blde9502.zip:REQUEST.EXE. Huh. I checked it out and ‘file’ ID’s it as a MS-DOS executable. So, that approach wasn’t fruitful, at least not for this corpus since I’m forcing everything through this narrow code path.

    Think About The Future
    Where can I take this next ? The cloud ! I have people inside the search engine industry who have furnished me with extensive lists of specific types of multimedia files from around the internet. I also see that Amazon Web Services Elastic Compute Cloud (AWS EC2) instances don’t charge for incoming bandwidth.

    I think you can see where I’m going with this.

    See Also :

  • need help on solving my ffmpeg command line

    3 avril 2019, par DRMTV

    i create a small bash script to encode 1080p video , the video will be added with watermark at bottom left and i need to add a black padding on top and bottom

    i tried several way but still no luck , i tried -vf and yes it worked but cant use padding and watermark together , and suggest use filter_complex

    if i use this code directly without bash script it work

    time ffmpeg -hide_banner -i transformers.mp4 -i transformers.ass -loop 1 -i watermark.png -loop 1 -i logo.png -map 0:0 -map 0:1 -filter_complex "[0:0]scale=(iw*sar)*min(1920/(iw*sar)\,800/ih):ih*min(1920/(iw*sar)\,800/ih), pad=1920:800:(1920-iw*min(1920/iw\,800/ih))/2:(800-ih*min(1920/iw\,800/ih))/2;ass=transformers.ass[FID1];[FID1][2:v]overlay=10:${WATERMARKPOSITION}:repeatlast=0:enable='between(t,300,600)'[FID3];[3:v]fade=in:st=1200:d=1.6:alpha=1,fade=out:st=107998:d=1.6:alpha=1[FID6];[FID3][FID6]overlay=10:5:repeatlast=0:enable='between(t,1200,187922)'" -c:v libx264 -minrate 1800k -maxrate 1800k -bufsize 3600k -profile:v high -c:a aac -b:a 128k -profile:a aac_main -movflags faststart -strict -2 -f mp4 -y "transformers.mp4"

    but when i include it with my bash script i got this error ,

    [libx264 @ 0x2a063e0] height not divisible by 2 (300x39)
    Output #0, mp4, to '/movie/Paddy/output/Transformers.Age.of.Extinction.2014.1080p.BluRay.H264.AAC-RARBG.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       comment         : Transformers.Age.of.Extinction.2014.1080p.BluRay.H264.AAC-RARBG
       encoder         : Lavf57.71.100
       title           : Transformers Age of Extinction 2014 1080p BluRay H264 AAC-RARBG - Visit us @ Juraganfilm.COM
       Stream #0:0: Video: h264 (libx264), yuv420p, 1920x800 [SAR 1:1 DAR 12:5], q=-1--1, max. 2300 kb/s, 23.98 fps, 23.98 tbn, 23.98 tbc
       Metadata:
         encoder         : Lavc56.60.100 libx264
       Stream #0:1: Video: h264, none, q=2-31, 128 kb/s, SAR 1:1 DAR 0:0, 25 fps
       Metadata:
         encoder         : Lavc56.60.100 libx264
       Stream #0:2(eng): Audio: aac, 0 channels, 128 kb/s (default)
       Metadata:
         creation_time   : 2017-12-19 07:58:39
         handler_name    : SoundHandler
         encoder         : Lavc56.60.100 aac
    Stream mapping:
     Stream #0:0 (h264) -> scale (graph 0)
     Stream #0:0 (h264) -> overlay:overlay (graph 0)
     Stream #2:0 (png) -> ass (graph 0)
     Stream #3:0 (png) -> fade (graph 0)
     pad (graph 0) -> Stream #0:0 (libx264)
     overlay (graph 0) -> Stream #0:1 (libx264)
     Stream #0:1 -> #0:2 (aac (native) -> aac (native))
    Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height

    and below is the script i have been working on

    output="/movie/output"

    FILESDIR=`find $PWD -type f -regex ".*\.\(mp4\|mkv\|avi\)" | sed 's@.*/@@' | sort -n`
    for video in $FILESDIR
    do

    MOVIETITLE=${video%.*}
    INFOVID=${MOVIETITLE//./ }
    BITRATE="${HEIGHT}"
    WIDTH=$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 ${video} 2>&amp;1 | sed -e 's|\[.*||g' | sed ':a;N;$!ba;s/\n//g' | sed -e 's|x.*||g')
    HEIGHT=$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 ${video} | sed -e 's/.*x//')
    WATERMARKPOSITION=$(expr $HEIGHT - 50)
    VIDEOMAP=$(ffmpeg -i $video 2>&amp;1 | grep "Stream #" | grep Video | sed -e "s|.*\#||g" | sed -e "s|: Video.*||g" | sed -e "s|(.*||g")
    AUDIOMAP=$(ffmpeg -i $video 2>&amp;1 | grep "Stream #" | grep Audio | sed -e "s|.*\#||g" | sed -e "s|: Audio.*||g" | sed -e "s|(.*||g")
    MAXRATE=$(expr $BITRATE + 500)
    BUFFSIZE=$(expr $MAXRATE \* 2)

    time ffmpeg -hide_banner -i $video -i $MOVIETITLE.ass -loop 1 -i $WATERMARK -loop 1 -i $LOGO -map ${VIDEOMAP} -map ${AUDIOMAP} -filter_complex "[${VIDEOMAP}]scale=(iw*sar)*min(${WIDTH}/(iw*sar)\,${HEIGHT}/ih):ih*min(${WIDTH}/(iw*sar)\,${HEIGHT}/ih), pad=${WIDTH}:${HEIGHT}:(${WIDTH}-iw*min(${WIDTH}/iw\,${HEIGHT}/ih))/2:(${HEIGHT}-ih*min(${WIDTH}/iw\,${HEIGHT}/ih))/2;ass=$MOVIETITLE.ass[FID1];[FID1][2:v]overlay=10:${WATERMARKPOSITION}:repeatlast=0:enable='between(t,300,600)'[FID3];[3:v]fade=in:st=1200:d=1.6:alpha=1,fade=out:st=107998:d=1.6:alpha=1[FID6];[FID3][FID6]overlay=10:5:repeatlast=0:enable='between(t,1200,187922)'" -c:v libx264 -minrate ${BITRATE}k -maxrate ${MAXRATE}k -bufsize ${BUFFSIZE}k -profile:v high -c:a aac -b:a 128k -profile:a aac_main -movflags faststart -strict -2 -f mp4 -y "${output}/$MOVIETITLE.mp4"
    done

    has been working all day and still i cant make it to work.

    can someone guide me which part is wrong ?