Hello!
I fixed this by adding after existing code(in file
pjproject-2.0\pjmedia\src\pjmedia-codec\ffmpeg_vid_codecs.c, method
ffmpeg_codec_encode_whole):
/* Force keyframe */
if (opt && opt->force_keyframe) {
#if LIBAVCODEC_VER_AT_LEAST(53,20)
avframe.pict_type = AV_PICTURE_TYPE_I;
#else
avframe.pict_type = FF_I_TYPE;
#endif
}
next (my own) code:
//we set I-Frame all first 4 frames of video stream
if (m_first_frame_counter < 4)
{
avframe.pict_type = AV_PICTURE_TYPE_I;
m_first_frame_counter++;
}else
{
m_first_frame_counter = 4;
}
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