LOG_ONCE 231 libavcodec/h264_mp4toannexb_bsf.c LOG_ONCE(ctx, AV_LOG_WARNING, "SPS not present in the stream, nor in AVCC, stream may be unreadable\n"); LOG_ONCE 254 libavcodec/h264_mp4toannexb_bsf.c LOG_ONCE(ctx, AV_LOG_WARNING, "PPS not present in the stream, nor in AVCC, stream may be unreadable\n");