[FFmpeg-user] Failure with assertion "avpkt->buf failed at libavcodec/encode.c"

2019-11-15 Thread James E. Baird
Hello, I am getting a failure (the assertion at the end) trying to transcode using h264_nvenc. The error goes away only when I remove the h264_nvenc encoder. I cannot find any information on this error. Has anyone seen this before? Hostname:~$ ffmpeg -i 'udp://@239.1.1.92:59092' -vcodec

[FFmpeg-user] select language ?

2019-11-15 Thread Michele Salerno
how-to select language. example i preferred lang ita. If lang ita non exist select only lang eng... not all lang. in my script i testing lang with https://github.com/mikysal78/scripting/blob/master/videoconverter#L47-L52 example in one conversions i see this: Last message repeated 1 times

Re: [FFmpeg-user] Reducing video file size

2019-11-15 Thread Morten W. Petersen
Ok, will have a look at that. Regards, Morten tor. 14. nov. 2019, 05.52 skrev James Northrup : > filters for contrast and psnr would highlight movement at a lower entropy > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org >

Re: [FFmpeg-user] Reducing video file size

2019-11-15 Thread Morten W. Petersen
Hi Ted. What's a compressor queue? Yes, I don't know exactly what I'm looking for, so compressing it at different rates is OK to see what I want. -Morten tir. 5. nov. 2019, 10.18 skrev Ted Park : > > There are different sources, with varying existing encodings, and > > resolutions. So those

[FFmpeg-user] Piping raw video from ffmpeg

2019-11-15 Thread Verachten Bruno
Hi List, as stated in my previous message, the rkmpp h264 encoder has not yet been finalized, so I'm stuck for the moment. http://ffmpeg.org/pipermail/ffmpeg-user/2019-November/045991.html gstreamer has the hardware encoding part, so I thought of piping the output of ffmpeg (grabing an HDMI-IN

Re: [FFmpeg-user] ffmpeg filters

2019-11-15 Thread Carl Zwanzig
On 11/15/2019 8:19 AM, Jim DeLaHunt wrote: It's a little bit harder to figure out your problem, because you are still not supplying us the complete, unchanged, uncut command invocation. The excerpt above does not include the token "ffmpeg.exe", which I'll bet you had at the start of the

Re: [FFmpeg-user] ffmpeg filters

2019-11-15 Thread Michael Koch
Am 15.11.2019 um 16:53 schrieb David Previs: -y -i "c:\ffmpeg\Black.mp4" -i "C:\pw\temp\watermark99.png" -filter_complex "overlay=x=(main_w-overlay_w)/2:y=(main_h-overlay_h)/2", drawtext="fontsize=24:fontcolor=00@0.5:fontfile=/Windows/Fonts/Arial.ttf :text='Huntley Film

Re: [FFmpeg-user] ffmpeg filters

2019-11-15 Thread Jim DeLaHunt
On 2019-11-15 16:53, David Previs wrote: -y -i "c:\ffmpeg\Black.mp4" -i "C:\pw\temp\watermark99.png" -filter_complex "overlay=x=(main_w-overlay_w)/2:y=(main_h-overlay_h)/2", drawtext="fontsize=24:fontcolor=00@0.5:fontfile=/Windows/Fonts/Arial.ttf :text='Huntley Film

Re: [FFmpeg-user] ffmpeg filters

2019-11-15 Thread David Previs
-y -i "c:\ffmpeg\Black.mp4" -i "C:\pw\temp\watermark99.png" -filter_complex "overlay=x=(main_w-overlay_w)/2:y=(main_h-overlay_h)/2", drawtext="fontsize=24:fontcolor=00@0.5:fontfile=/Windows/Fonts/Arial.ttf :text='Huntley Film

Re: [FFmpeg-user] ffmpeg filters

2019-11-15 Thread Michael Koch
Am 15.11.2019 um 16:35 schrieb David Previs: Hello I have the following Filters: Watermark: "overlay=x=(main_w-overlay_w)/2:y=(main_h-overlay_h)/2" Text Overlay: drawtext="fontsize=24:fontcolor=00@0.5:fontfile=/Windows/Fonts/Arial.ttf :text='Test

[FFmpeg-user] ffmpeg filters

2019-11-15 Thread David Previs
Hello I have the following Filters: Watermark: "overlay=x=(main_w-overlay_w)/2:y=(main_h-overlay_h)/2" Text Overlay: drawtext="fontsize=24:fontcolor=00@0.5:fontfile=/Windows/Fonts/Arial.ttf :text='Test Overlay':x=(w-text_w)/2:y=(h-text_h)-2" Time Stamp:

[FFmpeg-user] h264_mmal decoder doesn't detect correct frame rate

2019-11-15 Thread Simon Brown
I have a transport stream arriving at my Raspberry Pi 4, and the h264_mmal decoder picks it up and decodes it, however although I'm sending 1280x720p50 to it, the decoder reports that it's getting 1280x720p23.98, ffmpeg -i udp://127.0.0.1:10020 -codec copy -f mpegts output.avi ffmpeg version

Re: [FFmpeg-user] Continuity issues with multiple UDP output streams.

2019-11-15 Thread James E. Baird
On Tue, 12 Nov 2019, Marton wrote: >I meant using the bitrate option of the UDP protocol, not the bitrate of the >video. Ah, yeah I mis-read that. I tested with this and while I did see a reduction in discontinuities, it did not resolve the issues. I worked with our server provider and have