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  • Muxer does not support non seekable output. Could not write header for output file #0

    1er janvier 2023, par artenson.art98

    I'm using ffmpeg in an Android application, and for some files I get this error :

    


    


    muxer does not support non seekable output
Could not write header for output file #0 (incorrect codec parameters ?) : Invalid argumentError initializing output stream 0:0 — [AVIOContext @ 0xb4000071b42cd7c0] Statistics : 0 bytes written, 0 seeks, 0 writeouts[aac @ 0xb4000070f28d7400] Qavg : 65536.000[aac @ 0xb4000070f28d7400] 2 frames left in the queue on closing[AVIOContext @ 0xb400007126c5e4c0] Statistics : 403202761 bytes read, 1 seeks
Conversion failed !

    


    


    The information for the input file as fetched from FFprobe is attached below along with the output logs & command. Please help me with this issue. I'm unable to try anything since I'm not sure about the cause of the issue.
Thanks in advance.

    


    Command

    


    -y -i input.mp4 -vcodec libx264 -crf 27 -filter:v scale=640:-2 -preset veryfast -c:a aac output.mp4

    


    Input file info :

    


    {
   "streams":[
      {
         "index":0,
         "codec_name":"h264",
         "codec_long_name":"unknown",
         "profile":"100",
         "codec_type":"video",
         "codec_tag_string":"avc1",
         "codec_tag":"0x31637661",
         "width":640,
         "height":360,
         "coded_width":640,
         "coded_height":360,
         "closed_captions":0,
         "film_grain":0,
         "has_b_frames":2,
         "sample_aspect_ratio":"1:1",
         "display_aspect_ratio":"16:9",
         "pix_fmt":"yuv420p",
         "level":31,
         "chroma_location":"left",
         "field_order":"progressive",
         "refs":1,
         "is_avc":"true",
         "nal_length_size":"4",
         "id":"0x1",
         "r_frame_rate":"30000\/1001",
         "avg_frame_rate":"276451589\/9224496",
         "time_base":"1\/90000",
         "start_pts":0,
         "start_time":"0.000000",
         "duration_ts":607533927,
         "duration":"6750.376967",
         "bit_rate":"372641",
         "bits_per_raw_sample":"8",
         "nb_frames":"202304",
         "extradata_size":47,
         "disposition":{
            "default":1,
            "dub":0,
            "original":0,
            "comment":0,
            "lyrics":0,
            "karaoke":0,
            "forced":0,
            "hearing_impaired":0,
            "visual_impaired":0,
            "clean_effects":0,
            "attached_pic":0,
            "timed_thumbnails":0,
            "captions":0,
            "descriptions":0,
            "metadata":0,
            "dependent":0,
            "still_image":0
         },
         "tags":{
            "language":"und",
            "handler_name":"VideoHandler",
            "vendor_id":"[0][0][0][0]"
         }
      },
      {
         "index":1,
         "codec_name":"aac",
         "codec_long_name":"unknown",
         "profile":"1",
         "codec_type":"audio",
         "codec_tag_string":"mp4a",
         "codec_tag":"0x6134706d",
         "sample_fmt":"fltp",
         "sample_rate":"48000",
         "channels":2,
         "channel_layout":"stereo",
         "bits_per_sample":0,
         "id":"0x2",
         "r_frame_rate":"0\/0",
         "avg_frame_rate":"0\/0",
         "time_base":"1\/48000",
         "start_pts":0,
         "start_time":"0.000000",
         "duration_ts":324014080,
         "duration":"6750.293333",
         "bit_rate":"96352",
         "nb_frames":"316420",
         "extradata_size":2,
         "disposition":{
            "default":1,
            "dub":0,
            "original":0,
            "comment":0,
            "lyrics":0,
            "karaoke":0,
            "forced":0,
            "hearing_impaired":0,
            "visual_impaired":0,
            "clean_effects":0,
            "attached_pic":0,
            "timed_thumbnails":0,
            "captions":0,
            "descriptions":0,
            "metadata":0,
            "dependent":0,
            "still_image":0
         },
         "tags":{
            "language":"und",
            "handler_name":"SoundHandler",
            "vendor_id":"[0][0][0][0]"
         }
      }
   ],
   "chapters":[
      
   ],
   "format":{
      "filename":"input.mp4",
      "nb_streams":2,
      "nb_programs":0,
      "format_name":"mov,mp4,m4a,3gp,3g2,mj2",
      "start_time":"0.000000",
      "duration":"6750.377000",
      "size":"403137225",
      "bit_rate":"477765",
      "probe_score":100,
      "tags":{
         "major_brand":"isom",
         "minor_version":"512",
         "compatible_brands":"isomiso2avc1mp41",
         "encoder":"Lavf59.30.101"
      }
   }
}


    


    Full output log :
enter image description here

    


  • Unable to find a suitable output format for 'is' is : Invalid argument in fmmpeg

    26 janvier 2023, par Test000

    I want to make a python script to make a video in FFmpeg. I try a lot of solutions for example but I do not know Why I do not have permission to write. I have not any idea because ffmpeg errors are a little bit tricky

    


    my code :

    


    import os
import cv2

def calculate_quote_position(quote, max_length, video_width, video_height):
    if len(quote) > max_length:
        print("Quote is too long for the video.")
        return
    
    # Determine font size and alignment
    font = cv2.FONT_HERSHEY_SIMPLEX
    font_scale = 1.0
    thickness = 2
    (text_width, text_height), _ = cv2.getTextSize(quote, font, font_scale, thickness)
    
    # Calculate position for the quote
    x = int((video_width - text_width) / 2)
    y = int((video_height + text_height) / 2)
    
    return (x, y, text_width, text_height)

def create_video_from_audio_quote_picture(music_file, quote, font, font_size, font_color, background_picture, output_file, video_duration, video_width, video_height, max_length):
    quote_position = calculate_quote_position(quote, max_length, video_width, video_height)
    if not quote_position:
        print("The quote is too long for the video.")
        return
    # Create the FFmpeg command
    command = f"ffmpeg -loop 1 -t {video_duration} -i {background_picture} -i {music_file} -vf drawtext='fontfile={font}':text={quote}:fontcolor={font_color}:fontsize={font_size}:x={quote_position[0]}:y={quote_position[1]}' -shortest -c:v libx264 -c:a aac {output_file}"

    # Execute the command
    os.system(command)

music_file = "music.mp3"
quote = "This is a quote"
font = "Raleway-Bold.ttf"
font_size = 20
font_color = "white"
background_picture = "nature.png"
output_file = r"C:\Users\Lukas\Dokumenty\python_scripts\Billionare livestyle\output.mp4"
video_duration = 30
video_width = 1920
video_height = 1080
max_length = 30

create_video_from_audio_quote_picture(music_file, quote, font, font_size, font_color, background_picture, output_file, video_duration, video_width, video_height, max_length)


    


    my error :

    


    Input #0, image2, from 'nature.png':
  Duration: 00:00:00.04, start: 0.000000, bitrate: 569438 kb/s
  Stream #0:0: Video: mjpeg (Baseline), yuvj444p(pc, bt470bg/unknown/unknown), 1920x1080 [SAR 72:72 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 25 tbc
Input #1, mp3, from 'music.mp3':
  Metadata:
    date            : 2020:12:15 01:00:00
    title           : Otnicka - Peaky Blinder (lyrics) | i am not outsider i'm a peaky blinder
    artist          : Jigzaw
    encoder         : Lavf58.29.100
  Duration: 00:02:31.78, start: 0.023021, bitrate: 128 kb/s
  Stream #1:0: Audio: mp3, 48000 Hz, stereo, fltp, 128 kb/s
    Metadata:
      encoder         : Lavf
  Stream #1:1: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 320x240 [SAR 1:1 DAR 4:3], 90k tbr, 90k tbn, 90k tbc (attached pic)
    Metadata:
      comment         : Other
[NULL @ 000001575c0b0100] Unable to find a suitable output format for 'is'
is: Invalid argument


    


  • Can't import to Unity video clip rendered using FFmpeg for Unity

    29 juin 2023, par Maximiliano Bezmalinovic

    I am using FFmpeg to render a video in Unity. For the FFmpegCaptureCommand.OutputOptions I'm using this command :

    


    -g 24 -c:v h264 -preset medium -crf 32 -pix_fmt yuv420p -color_primaries bt709 -color_trc bt709 -colorspace bt709 -color_range pc -f mov -movflags frag_keyframe+empty_moov -vf setpts=2*PTS


    


    The video output plays fine on windows media player or VLC but when I try to import the clip into Unity I get the following error :

    


    WindowsVideoMedia error 0xc00d36e6 while reading C:/.../d.mov

Context: Getting duration.
Error details: The requested attribute was not found.
Track types:
   Video Track [1024 x 1024], type: H264


    


    I can create a working copy of the video with this command :

    


    ffmpeg -i input.mov output.mov


    


    I assume ffmpeg creates a new container for the video when it copies it but I can't figure out why is not doing it in the first place.

    


    Using ffprobe

    


    ffprobe -show_streams -select_streams v C:\...\d.mov   


    


    I get this info on the original video :

    


    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\...\d.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 512
    compatible_brands: qt
    encoder         : Lavf59.4.101
  Duration: 00:00:02.97, start: 0.066667, bitrate: 2471 kb/s
  Stream #0:0: Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt709), 1024x1024, 2465 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : FFMP
      encoder         : Lavc59.4.100 libx264
[STREAM]
index=0
codec_name=h264
codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
profile=High
codec_type=video
codec_tag_string=avc1
codec_tag=0x31637661
width=1024
height=1024
coded_width=1024
coded_height=1024
closed_captions=0
has_b_frames=2
sample_aspect_ratio=N/A
display_aspect_ratio=N/A
pix_fmt=yuvj420p
level=32
color_range=pc
color_space=bt709
color_transfer=bt709
color_primaries=bt709
chroma_location=left
field_order=unknown
refs=1
is_avc=true
nal_length_size=4
id=N/A
r_frame_rate=30/1
avg_frame_rate=30/1
time_base=1/15360
start_pts=1024
start_time=0.066667
duration_ts=45568
duration=2.966667
bit_rate=2465649
max_bit_rate=N/A
bits_per_raw_sample=8
nb_frames=N/A
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
DISPOSITION:timed_thumbnails=0
DISPOSITION:captions=0
DISPOSITION:descriptions=0
DISPOSITION:metadata=0
DISPOSITION:dependent=0
DISPOSITION:still_image=0
TAG:handler_name=VideoHandler
TAG:vendor_id=FFMP
TAG:encoder=Lavc59.4.100 libx264
[/STREAM]


    


    and this on the copied video :

    


    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\...\d1.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 512
    compatible_brands: qt
    encoder         : Lavf59.4.101
  Duration: 00:00:02.97, start: 0.000000, bitrate: 2869 kb/s
  Stream #0:0: Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt709), 1024x1024, 2865 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : FFMP
      encoder         : Lavc59.4.100 libx264
[STREAM]
index=0
codec_name=h264
codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
profile=High
codec_type=video
codec_tag_string=avc1
codec_tag=0x31637661
width=1024
height=1024
coded_width=1024
coded_height=1024
closed_captions=0
has_b_frames=2
sample_aspect_ratio=N/A
display_aspect_ratio=N/A
pix_fmt=yuvj420p
level=32
color_range=pc
color_space=bt709
color_transfer=bt709
color_primaries=bt709
chroma_location=left
field_order=unknown
refs=1
is_avc=true
nal_length_size=4
id=N/A
r_frame_rate=30/1
avg_frame_rate=30/1
time_base=1/15360
start_pts=0
start_time=0.000000
duration_ts=45568
duration=2.966667
bit_rate=2865152
max_bit_rate=N/A
bits_per_raw_sample=8
nb_frames=89
nb_read_frames=N/A
nb_read_packets=N/A
DISPOSITION:default=1
DISPOSITION:dub=0
DISPOSITION:original=0
DISPOSITION:comment=0
DISPOSITION:lyrics=0
DISPOSITION:karaoke=0
DISPOSITION:forced=0
DISPOSITION:hearing_impaired=0
DISPOSITION:visual_impaired=0
DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
DISPOSITION:timed_thumbnails=0
DISPOSITION:captions=0
DISPOSITION:descriptions=0
DISPOSITION:metadata=0
DISPOSITION:dependent=0
DISPOSITION:still_image=0
TAG:handler_name=VideoHandler
TAG:vendor_id=FFMP
TAG:encoder=Lavc59.4.100 libx264
[/STREAM]


    


    I noticed the start_time is 0.000000 on the copied video but the original is 0.066667, I wonder if that has anything to do with it.

    


    If I look at the video properties/details the "Length" attribute is missing on the original video but exists in the copy. Does Unity need that info maybe ?

    


    What am I missing here ? How could I make my original command output a video with the proper data that Unity needs for importing it ?.

    


    Thanks in advance.

    


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