0
votes
0answers
378 views

How to loop audio when mixing with longer movie in avconv

Is it possible to loop audio when mixing with longer movie using avconv? I want music to repeat itself through whole movie. In avconv manual i found parameter "-flags loop" but it doesn't work. Music ...
1
vote
1answer
912 views

Avconv video merging audio overlays

I join 3 video files using avconv and create a intermediate file, using following syntax cat inter1.mpg inter2.mpg inter3.mpg > interAll.mpg inter1.mpg,inter2.mpg contains no audio track. After ...
2
votes
0answers
289 views

ffmpeg/avconv crashes when video frame isn't expected size

I'm capturing my webcam using ffmpeg/avconv, but I keep running into this problem: The v4l2 frame is 828212 bytes, but 829440 bytes are expected And then it crashes. It should just skip that frame, ...
0
votes
0answers
2k views

avconv and ffmpeg - drawtext filter text_w evaluates as 0 in Ubuntu Precise

I'm attempting to draw text onto a video using either the avconv or ffmpeg commands. When specifying x= for where on the final video to place the text, the 'text_w' value is evaluating to 0, rather ...