Re: [FFmpeg-user] Error while playing record audio from webcam
On 1/19/2021 4:18 AM, Vijay Rakesh Munganda wrote: How to solve above issue? You start by posting the complete command output so we can see what what's going on. (and please don't top-post on this list) z! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Error while playing record audio from webcam
Hi, I just tried to record only audio by running below command. ffmpeg -f alsa -channels 1 -i hw:1 -c:a aac -ar 48k -t 0:10 sample.aac When play sample.aac file using ffplay it started to play which I have recorded then after it continued to play with silent output. How to solve above issue? Thanks & Regards, Vijay Rakesh > On 19-Jan-2021, at 10:27, Vijay Rakesh Munganda > wrote: > > > Hi All, > > I’m using below command to create video and audio files for real time > streaming to the cloud. > > ffmpeg -f alsa -channels 1 -thread_queue_size 1024 -i hw:1 -f video4linux2 -i > /dev/video0 -c:a aac -ar 48k -t 0:10 -segment_time 00:00.08 -f stream_segment > sample-%003d.aac -c:v h264 -force_key_frames "expr:gte(t,n_forced*0.08)" > -pix_fmt yuv420p -s:v 640x480 -t 0:10 -r 25 -g 1 -segment_time 00:00.08 -f > stream_segment frame-%003d.h264 > > When I use ffplay on video clips it is playing, but when I run audio clips I > get different errors for different segmented output as follows, and some > clips play for more than 13s when segment given as 80ms. > > Error: > Error: sample-000.aac: Invalid data found when processing input 0B f=0/0 > > [mpegts @ 0x7f6f3b80] Format mpegts detected only with low score of 2, > misdetection possible! > > [mpegts @ 0x7f6f3b80] Could not detect TS packet size, defaulting to > non-FEC/DVHS sample-001.aac: could not find codec parameters > > Did I miss anything in the command? > > Thanks & Regards, > Vijay Rakesh > > > Thanks & Regards, > Vijay Rakesh ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] Error while playing record audio from webcam
Hi All, I’m using below command to create video and audio files for real time streaming to the cloud. ffmpeg -f alsa -channels 1 -thread_queue_size 1024 -i hw:1 -f video4linux2 -i /dev/video0 -c:a aac -ar 48k -t 0:10 -segment_time 00:00.08 -f stream_segment sample-%003d.aac -c:v h264 -force_key_frames "expr:gte(t,n_forced*0.08)" -pix_fmt yuv420p -s:v 640x480 -t 0:10 -r 25 -g 1 -segment_time 00:00.08 -f stream_segment frame-%003d.h264 When I use ffplay on video clips it is playing, but when I run audio clips I get different errors for different segmented output as follows, and some clips play for more than 13s when segment given as 80ms. Error: Error: sample-000.aac: Invalid data found when processing input 0B f=0/0 [mpegts @ 0x7f6f3b80] Format mpegts detected only with low score of 2, misdetection possible! [mpegts @ 0x7f6f3b80] Could not detect TS packet size, defaulting to non-FEC/DVHS sample-001.aac: could not find codec parameters Did I miss anything in the command? Thanks & Regards, Vijay Rakesh Thanks & Regards, Vijay Rakesh ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
