Questions tagged [mpeg4]
The mpeg4 tag has no usage guidance.
9
questions with no upvoted or accepted answers
4
votes
1
answer
4k
views
How to accurately split and combine videos with ffmpeg respecting inpoint/outpoint
I'm learning how to split and combine videos with ffmpeg. Presently I'm practicing on a 799 KB MP4, one_through_ten-timestamped.mp4, where each frame has a burnt-in "frame number" (up to frame 40, the ...
2
votes
1
answer
495
views
HE AACv2 Audio profile on MediaInfo
I have a SDI input encoder with audio configuration as
Coding : AAC/HE-AAC
Coding Mode : MPEG-4 HE AAC v2
Mode : Stereo (2/0)
Sameple Rate : 48KHz
ES Bitrate : 64Kbps
Transport Format : ADTS
And, ...
2
votes
0
answers
1k
views
Trancoding a video with vlc and the MPEG-4 codec with a video bit rate
When I try to trancode a video with vlc using the MPEG-4 codec and a video bit rate, I get the following error :
Either both buffer size and max rate or neither must be specified
Here is the command ...
1
vote
1
answer
445
views
FFMpeg Mp4 cover art shows on Windows but not in Android
I'm decrypting an audible audiobook using this command:
ffmpeg -audible_key KEY -audible_iv IV -i book.aax -c copy out.m4b
The output file seems fine on my Windows machine. Metadata and cover are are ...
1
vote
0
answers
1k
views
Repair MP4 corrupted index
I have a corrupted MP4 file whose length is 25 minutes, but fter the first 4 minutes it jumps ahead to 20 minutes and one cannot playback the middle portion.
It appears as though the index is ...
0
votes
0
answers
217
views
How can I edit Android-grabbed MP4 files in Virtualdub?
Android's command adb shell screenrecord x.mp4 is supposed to produce MPEG-4 files. VirtualDub is supposed to support MPEG-4 files through the use of the FFInputDriver plugin.
The latter is true ...
0
votes
0
answers
168
views
How can I truncate .m4v elementary stream files?
I have two .m4v MPEG4-Visual elementary streams which need to be truncated down to a specific length, leaving the same starting point and simply specifying a frame number at which to end.
I have ...
-1
votes
1
answer
209
views
Generate mpeg 4 file with specific format with h.264 codec
I need a specific format in my .mp4 video file:
1. Only I and P frames
2. Each P frame based on only the previous (temporally) I frame
3. An I frame every second or so
Is it possible to generate ...
-1
votes
1
answer
181
views
Convert .mp4 video file for playback on camcorder
I have a .mp4 file with MPEG4 for video and MP3 for audio that I need to convert to make my camcorder (a cheap one I got off eBay) play it back, but the only problem is that it doesn't accept anything ...