Questions tagged [transcode]
The transcode tag has no usage guidance.
99
questions
1
vote
0
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4k
views
How can I reduce the choppiness of my ffmpeg conversions
Here are the options I'm sending ffmpeg:
ffmpeg. -i input.flv -crf 18 -profile:v baseline -level 3.0 -pix_fmt yuv420p -preset veryslow output.mp4
Here's the input file:
http://ct.recorder.s3....
user229061
1
vote
0
answers
2k
views
Why does VLC cut off the end of my video when transcoding?
I am trying to "bake in" a custom made subtitle file (Advanced SubStation Alpha) for a short (3:46) video. However, despite trying an assortment of commandline options, VLC seems to always cut off the ...
- 2,393
1
vote
1
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6k
views
Transcoding Video to QuickTime Animation (RLE)
I need to transcode video created using the Camstudio Lossless Codec into the QuickTime RLE format in order to get it to work with some other software.
What methods can I use to convert the video? I ...
- 344
6
votes
2
answers
15k
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Which FFmpeg command do I use to passthrough FLV to MP4?
I've a number of downloaded FLV files which I would like to convert to MP4. They are already in the correct format so I am told all I need to do is to remux the video and audio streams into an MP4 ...
- 61
3
votes
1
answer
2k
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Why does FFmpeg segment_times create webm files with incorrect duration and start times?
I have a MOV file that I want to split into several smaller files (at certain timestamps in a comma-separated list). I'm simultaneously compressing the video into WEBM files.
The command I'm using ...
- 1,976
0
votes
1
answer
869
views
VLC bash transcoding script destination directory
Well, I have such transcoding script:
#!/bin/bash
acodec="vorb"
arate="256"
ext="ogg"
vlc="/usr/bin/vlc"
fmt="mp3"
for a in *$fmt; do
$vlc -I dummy -vvv "$a" --sout "#transcode{acodec=$acodec,...
- 1,345
0
votes
1
answer
1k
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VLC bash transcoding script output to file
I'm running such script to transcode my audio files:
#!/bin/bash
acodec="vorb"
arate="256"
ext="ogg"
vlc="/usr/bin/vlc"
fmt="mp3"
for a in *$fmt; do
$vlc -I dummy -vvv "$a" --sout "#transcode{...
- 1,345
2
votes
0
answers
3k
views
FFMPEG - Stream discovered after head already parsed
I am trying to live transcode an RTMP stream to another RTMP HLS stream using the following command:
ffmpeg -re -i rtmp://localhost/videochat/testing -c:v libx264 -c:a:0 libfaac -b:a:0 480k -f flv ...
- 121
0
votes
1
answer
708
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Use ffmpeg to transcode only wma lossless files and not wma files
I have a list of wma files with wma lossless files as well, and what i want to do is to use ffmpeg to transcode only those which are wma lossless and not the wma files. As we cannot distinguish these ...
- 11
3
votes
1
answer
5k
views
Realtime transcoding to H264+AAC in Matroska container
Scenario
I have a movie library which I'm looking to make streamable to my Android tablet using VLC for playback. I want to use H264+AAC for best possible visual quality over a mobile internet ...
- 534
3
votes
1
answer
3k
views
Codec choice for non CPU-intensive video transcoding
I am trying to achieve real-time transcoding of mkv / H264 videos on a low-end (slow CPU) platform.
Using the following command line as a testing harness:
avconv -i test.mkv -c:v mjpeg -q:v 3 -c:a ...
- 133
8
votes
7
answers
45k
views
Converting AVI encoded file with an IMM5 codec
As part of a legal matter, I received a copy of a security video encoded using what appears to be an 'IMM5' codec, apparently often used by police. I also received a copy of 'BackupPlayer', which can ...
- 8,716
1
vote
1
answer
1k
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Reuse transcoding outputs to generate multiple files with AvConv
I am trying to find information about how to transcode a file into multiple outputs in one shot, but I don't seem to be able to. Most of the results I find describe the opposite: merging multiple ...
- 117
0
votes
1
answer
4k
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Crop video to custom resolution
I'm just looking for a simple application (preferably free but not necessarily) that allows me to crop a video to a custom resolution; obviously smaller than the original resolution. The application ...
- 103
4
votes
5
answers
7k
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How can I batch convert flac files to wav?
I'm using Windows XP, and I have several (about 160) flac files which I need to convert to wav. Since it is not practical to convert so many one by one, I need a utility that can convert them, but ...
- 250