Re: [Libav-user] Coversion from YUV to RGB loss of image details

2012-06-05 Thread Alex Cohn
On Tue, Jun 5, 2012 at 5:16 AM, Sampath Subasinghe susir...@gmail.comwrote: Hi All, I am using libswscale to do some YUV - RGB conversion back and forth. There are 2 steps performed on an image. 1. RGB - YUV conversion 2. YUV - RGB conversion Issue is that in the image output

Re: [Libav-user] Example for recompressing a video?

2012-06-05 Thread Nicolas George
Le septidi 17 prairial, an CCXX, jettoblack a écrit : Thanks for the input. I managed to get video encoding working and everything looks good there. The solution was to use the picture.best_effort_timestamp as the pts of encoded frame instead of the This is the right choice. Also, please

[Libav-user] Detecting black/dark frames in FFMPEG

2012-06-05 Thread NITIN GOYAL
Hi Is there any way i can modify or use the ffmpeg library to detect the black/dark/green frames from the content? Theoretically, we can do it by calculating the luminance of each frame and finding with higher values but i am thinking if that can be done through ffmpeg? Any sort of advice on

Re: [Libav-user] Detecting black/dark frames in FFMPEG

2012-06-05 Thread Carl Eugen Hoyos
NITIN GOYAL nitinkumgoyal@... writes: Is there any way i can modify or use the ffmpeg library to detect the black/dark/green frames from the content? Did you test the blackdetect and blackframe filters? Carl Eugen ___ Libav-user mailing list

Re: [Libav-user] Reoder Buffer Configuration

2012-06-05 Thread Carl Eugen Hoyos
krishnaks@... writes: I am getting Following warning during h264 decoding using libavcodec: Increasing reorder buffer to 1 Increasing reorder buffer to 16 Can I avoid this warning? The message is less verbose now. Thank you for the report, Carl Eugen

Re: [Libav-user] Bug in drawtext (FT_LOAD_*)?

2012-06-05 Thread Leandro Santiago
I had read the parser but I couldn't find the flags option. Now you said I can see it in libavutil/opt.c:195. Thx a lot :-) I will report the documentation issue. 2012/6/5 Stefano Sabatini stefa...@gmail.com: if this is documented somewhere, you're welcome to create an issue on trac if not or

[Libav-user] ADIF format support for AAc

2012-06-05 Thread Salim, Mohamed
Hi All, I am using ffmpeg version 0.10.11 via GStreamer in my development (ARM based). I found that AAC streams with ADIF header can not be played. Can somebody confirm to me that there is no support of ADIF in ffmpeg, If there is, please let me which version shall I use? Thanks

Re: [Libav-user] ADIF format support for AAc

2012-06-05 Thread Carl Eugen Hoyos
Salim, Mohamed Mohamed.Salim@... writes: I found that AAC streams with ADIF header can not be played. Could you provide a sample? Carl Eugen ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user

Re: [Libav-user] Example for recompressing a video?

2012-06-05 Thread jettoblack
Hi Nicolas, Very helpful, thank you. I trimmed this code down to just the essentials of the audio section since video isn't a problem. What I see is that: - The call to avresample_convert() seems to always succeed, so I think decode and resample are working ok - The first call to