[Libav-user] Regarding H.264 cqp option

김희숙 hskim095 at naver.com
Wed Sep 7 08:55:16 CEST 2011

Hi All,
I'm testing ffmpeg with libx264 encoding.
I found that ffmpeg did not encode after receiving picture data.
That is, avcodec_encode_video() function returned 0 value of encoding.
After receiving 40 frames, ffmpeg avcodec_encode_video() function returned positive value.
This results in 2 seconds delay on receving side.
Meanwhile, I set up cqp option and then ffmpeg start to encode without any delay.
Is cqp option mandatory?
How to set up ffmpeg command to encode immediately without cqp option?
Best Regards,
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